696 lines
28 KiB
Python
696 lines
28 KiB
Python
import os
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import cv2
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import matplotlib
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import numpy as np
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import argparse
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import pandas as pd
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from bil2rgb import process_bil_files
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from classification_model.Parallel.predict_plastic import load_model, predict_with_model
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from mask import detect_microplastic_mask_from_array
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from shape_spectral import process_images
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from shape_spectral_background import process_images_background
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from extact_shape import shape_correct_background, extract_features
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import time
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matplotlib.use('TkAgg')
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# 训练相机波长（237通道）
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TRAIN_WAVELENGTHS = [912.36, 915.68, 919, 922.31, 925.63, 928.95, 932.27, 935.59, 938.91, 942.23, 945.55, 948.87, 952.18, 955.5, 958.82, 962.14, 965.46, 968.78, 972.1, 975.42, 978.74, 982.06, 985.38, 988.7, 992.02, 995.34, 998.65, 1002, 1005.3, 1008.6, 1011.9, 1015.3, 1018.6, 1021.9, 1025.2, 1028.5, 1031.9, 1035.2, 1038.5, 1041.8, 1045.1, 1048.5, 1051.8, 1055.1, 1058.4, 1061.7, 1065.1, 1068.4, 1071.7, 1075, 1078.3, 1081.7, 1085, 1088.3, 1091.6, 1094.9, 1098.3, 1101.6, 1104.9, 1108.2, 1111.5, 1114.9, 1118.2, 1121.5, 1124.8, 1128.1, 1131.5, 1134.8, 1138.1, 1141.4, 1144.8, 1148.1, 1151.4, 1154.7, 1158, 1161.4, 1164.7, 1168, 1171.3, 1174.6, 1178, 1181.3, 1184.6, 1187.9, 1191.3, 1194.6, 1197.9, 1201.2, 1204.5, 1207.9, 1211.2, 1214.5, 1217.8, 1221.2, 1224.5, 1227.8, 1231.1, 1234.4, 1237.8, 1241.1, 1244.4, 1247.7, 1251.1, 1254.4, 1257.7, 1261, 1264.3, 1267.7, 1271, 1274.3, 1277.6, 1281, 1284.3, 1287.6, 1290.9, 1294.2, 1297.6, 1300.9, 1304.2, 1307.5, 1310.9, 1314.2, 1317.5, 1320.8, 1324.2, 1327.5, 1330.8, 1334.1, 1337.4, 1340.8, 1344.1, 1347.4, 1350.7, 1354.1, 1357.4, 1360.7, 1364, 1367.4, 1370.7, 1374, 1377.3, 1380.7, 1384, 1387.3, 1390.6, 1394, 1397.3, 1400.6, 1403.9, 1407.2, 1410.6, 1413.9, 1417.2, 1420.5, 1423.9, 1427.2, 1430.5, 1433.8, 1437.2, 1440.5, 1443.8, 1447.1, 1450.5, 1453.8, 1457.1, 1460.4, 1463.8, 1467.1, 1470.4, 1473.7, 1477.1, 1480.4, 1483.7, 1487, 1490.4, 1493.7, 1497, 1500.3, 1503.7, 1507, 1510.3, 1513.6, 1517, 1520.3, 1523.6, 1526.9, 1530.3, 1533.6, 1536.9, 1540.2, 1543.6, 1546.9, 1550.2, 1553.6, 1556.9, 1560.2, 1563.5, 1566.9, 1570.2, 1573.5, 1576.8, 1580.2, 1583.5, 1586.8, 1590.1, 1593.5, 1596.8, 1600.1, 1603.4, 1606.8, 1610.1, 1613.4, 1616.7, 1620.1, 1623.4, 1626.7, 1630.1, 1633.4, 1636.7, 1640, 1643.4, 1646.7, 1650, 1653.3, 1656.7, 1660, 1663.3, 1666.7, 1670, 1673.3, 1676.6, 1680, 1683.3, 1686.6, 1689.9, 1693.3, 1696.6, 1699.9, 1703.3, 1706.6]
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def read_wavelengths_from_hdr(bil_path):
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hdr_path = os.path.splitext(bil_path)[0] + '.hdr'
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if not os.path.exists(hdr_path):
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return np.array([], dtype=np.float64)
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with open(hdr_path, 'r') as f:
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txt = f.read()
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if 'wavelength' not in txt:
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return np.array([], dtype=np.float64)
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seg = txt.split('wavelength', 1)[1]
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seg = seg[seg.find('{')+1: seg.find('}')]
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vals = [v.strip() for v in seg.split(',') if v.strip()]
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try:
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waves = np.array([float(v) for v in vals], dtype=np.float64)
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except Exception:
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waves = np.array([], dtype=np.float64)
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return waves
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def resample_spectra_matrix(X, src_waves, dst_waves):
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src = np.asarray(src_waves, dtype=np.float64)
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dst = np.asarray(dst_waves, dtype=np.float64)
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X = np.asarray(X, dtype=np.float64)
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if src.size == 0 or dst.size == 0:
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return X
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# 线性插值，越界用端点外推，避免维度缺失
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out = np.empty((X.shape[0], dst.size), dtype=np.float64)
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for i in range(X.shape[0]):
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row = X[i]
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out[i] = np.interp(dst, src, row, left=row[0], right=row[-1])
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return out
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def apply_background_no_resample(df, bg_spectrum):
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"""
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仅做背景校正，不做任何重采样。
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- 自动选择以 wavelength_ 或 band_ 开头的光谱列
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- 若背景长度与光谱列数不一致，按尾部对齐取最小长度进行校正
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"""
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# 识别光谱列
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spec_cols = [c for c in df.columns if isinstance(c, str) and (c.startswith('wavelength_') or c.startswith('band_'))]
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if not spec_cols:
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raise ValueError("未找到光谱列（以 wavelength_ 或 band_ 开头）")
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bg = np.asarray(bg_spectrum, dtype=np.float64).ravel()
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if bg.size == 0:
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raise ValueError("背景光谱长度为0，无法进行背景校正")
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# 尾部对齐，取最小长度，避免维度不一致
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n = min(len(spec_cols), bg.shape[0])
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use_cols = spec_cols[-n:]
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df.loc[:, use_cols] = df.loc[:, use_cols].div(bg[-n:], axis=1)
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return df
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def parse_arguments():
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"""解析命令行参数"""
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parser = argparse.ArgumentParser(description='Microplastic spectral shape classification')
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# 必需参数
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parser.add_argument('--bil_path', required=True, help='Path to input BIL file')
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parser.add_argument('--output_path', required=True, help='Path to output classification result')
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parser.add_argument('--model_path', required=True, help='Path to primary classification model')
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# parser.add_argument('--primary_model_type', default='SVM', help='Type of primary model (default: SVM)')
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# parser.add_argument('--primary_process_methods1', default='SS', help='Primary process method 1 (default: SS)')
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# parser.add_argument('--primary_process_methods2', default='None', help='Primary process method 2 (default: None)')
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# parser.add_argument('--secondary_model', default="D:\plastic\plastic\modelsave\HDPELDPE_model\svm.m", help='Path to secondary classification model')
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# parser.add_argument('--secondary_model_type', default='SVM', help='Type of secondary model (default: SVM)')
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# parser.add_argument('--secondary_process_methods1', default='None',
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# help='Secondary process method 1 (default: None)')
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# parser.add_argument('--secondary_process_methods2', default='None',
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# help='Secondary process method 2 (default: None)')
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# parser.add_argument('--secondary_target_classes', nargs='+', type=int, default=[1,2],
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# help='Target classes for secondary classification (space separated)')
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return parser.parse_args()
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# ----------------------------
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# 配置参数：直接在此修改
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# ----------------------------
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# BIL_PATH = r"D:/Data/Test/PET_bottle2.bil"
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# OUTPUT_PATH = r'D:/Data/PET_bottle2_class.bil'
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#
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# PRIMARY_MODEL_PATH = r"D:\plastic\plastic\modelsave\svm.m"
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# PRIMARY_MODEL_TYPE = 'SVM'
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# PRIMARY_PROCESS_METHODS1 = 'SS'
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# PRIMARY_PROCESS_METHODS2 = 'None'
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#
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# SECONDARY_MODEL_PATH = "D:\plastic\plastic\modelsave\HDPELDPE_model\svm.m" # 若不需要二次分类，则保持为 None
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# SECONDARY_MODEL_TYPE = 'SVM'
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# SECONDARY_PROCESS_METHODS1 = 'None'
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# SECONDARY_PROCESS_METHODS2 = 'None'
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# SECONDARY_TARGET_CLASSES = [1, 2]
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def read_hdr_file(bil_path):
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hdr_path = bil_path.replace('.bil', '.hdr')
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with open(hdr_path, 'r') as f:
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header = f.readlines()
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samples, lines = None, None
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for line in header:
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if line.startswith('samples'):
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samples = int(line.split('=')[-1].strip())
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if line.startswith('lines'):
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lines = int(line.split('=')[-1].strip())
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return samples, lines
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def shrink_contours(bil_path, df, shrink_pixels=1):
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"""
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对DataFrame中的所有轮廓进行收缩操作，避免塑料之间的相连
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Args:
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bil_path: BIL文件路径，用于获取图像尺寸
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df: 包含contour列的DataFrame
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shrink_pixels: 收缩的像素数，默认1像素
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Returns:
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更新后的DataFrame，contour列已被收缩
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"""
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samples, lines = read_hdr_file(bil_path)
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# 创建腐蚀核
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kernel = np.ones((2 * shrink_pixels + 1, 2 * shrink_pixels + 1), np.uint8)
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# 创建临时掩膜用于处理
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temp_mask = np.zeros((lines, samples), dtype=np.uint8)
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# 创建DataFrame副本
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df = df.copy()
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# 遍历每一行，更新轮廓
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for idx, row in df.iterrows():
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contour = row['contour']
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if not isinstance(contour, (list, np.ndarray)) or len(contour) < 3:
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continue
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try:
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contour_array = np.array(contour, dtype=np.int32)
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if len(contour_array.shape) == 1:
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continue
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# 清空临时掩膜
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temp_mask.fill(0)
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# 填充轮廓
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cv2.fillPoly(temp_mask, [contour_array], 255)
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# 对掩膜进行腐蚀操作
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eroded_mask = cv2.erode(temp_mask, kernel, iterations=1)
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# 重新提取轮廓
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contours, _ = cv2.findContours(eroded_mask, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)
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if len(contours) > 0:
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# 选择最大的轮廓（如果有多个）
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largest_contour = max(contours, key=cv2.contourArea)
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# 转换为列表格式，保持与原始格式一致
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if len(largest_contour) >= 3:
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updated_contour = largest_contour.reshape(-1, 2).tolist()
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df.at[idx, 'contour'] = updated_contour
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except Exception as e:
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# 如果处理失败，保留原始轮廓
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continue
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return df
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def save_envi_classification(bil_path, df, savepath):
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samples, lines = read_hdr_file(bil_path)
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classification_result = np.zeros((lines, samples), dtype=np.uint16)
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for _, row in df.iterrows():
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contour = row['contour']
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prediction = int(row['Predictions']) + 1 # 先加1
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if prediction in (10, 11): # 再判断是否为10或11
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prediction = 0 # 视为背景
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contour = np.array(contour, dtype=np.int32)
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cv2.fillPoly(classification_result, [contour], prediction)
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output_path = savepath
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with open(output_path, 'wb') as f:
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classification_result.tofile(f)
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header_content = f"""ENVI
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description = {{
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Classification Result.}}
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samples = {samples}
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lines = {lines}
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bands = 1
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header offset = 0
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file type = ENVI Standard
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data type = 2
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interleave = bil
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classes = 10
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class = {{ background, ABS, HDPE, LDPE, PA6, PET, PP, PS, PTFE, PVC }}
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single pixel area = 0.000036
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unit = mm2
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byte order = 0
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wavelength units = nm
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"""
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filename, ext = os.path.splitext(savepath)
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header_filename = filename + '.hdr'
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with open(header_filename, 'w') as header_file:
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header_file.write(header_content)
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def change_hdr_file(bil_path, wavelengths=None):
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hdr_path = os.path.splitext(bil_path)[0] + '.hdr'
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if not os.path.exists(hdr_path):
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print(f"错误: 找不到对应的HDR文件: {hdr_path}")
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return
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# 仅在缺少 wavelength 字段时才尝试写入
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with open(hdr_path, 'r', encoding='utf-8', errors='ignore') as file:
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content = file.read()
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if 'wavelength' in content:
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print(f"{os.path.basename(hdr_path)} 已包含 wavelength 字段，跳过追加。")
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return
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if wavelengths is None or len(wavelengths) == 0:
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print("HDR 缺少 wavelength，但未提供 wavelengths，跳过写入以避免错误。")
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return
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needs_newline = not content.endswith('\n')
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wavelength_info = "wavelength = {" + ", ".join(str(float(w)) for w in wavelengths) + "}\n"
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with open(hdr_path, 'a', encoding='utf-8', errors='ignore') as file:
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if needs_newline:
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file.write('\n')
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file.write(wavelength_info)
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print(f"已在 {os.path.basename(hdr_path)} 末尾追加 wavelength 字段。")
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def validate_inputs(bil_path, output_path, model_path):
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"""验证输入文件和参数"""
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# 检查BIL和HDR文件存在
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if not os.path.exists(bil_path):
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raise FileNotFoundError(f"BIL文件不存在: {bil_path}")
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hdr_path = os.path.splitext(bil_path)[0] + '.hdr'
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if not os.path.exists(hdr_path):
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raise FileNotFoundError(f"HDR文件不存在: {hdr_path}")
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# 检查输出目录可写
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output_dir = os.path.dirname(output_path)
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if output_dir and not os.path.exists(output_dir):
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try:
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os.makedirs(output_dir, exist_ok=True)
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except Exception as e:
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raise RuntimeError(f"无法创建输出目录: {output_dir}") from e
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# 检查模型文件存在
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if not os.path.exists(model_path):
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raise FileNotFoundError(f"主模型文件不存在: {model_path}")
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# 检查BIL文件波段数是否足够
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try:
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from spectral.io import envi
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img = envi.open(hdr_path, bil_path)
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n_bands = img.nbands
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# bil2rgb需要波段索引9, 59, 159
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if n_bands <= 159:
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raise ValueError(f"BIL文件波段数不足: 需要至少160个波段，但只有{n_bands}个")
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except Exception as e:
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raise RuntimeError(f"无法读取BIL文件头信息: {bil_path}") from e
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def generate_rgb(bil_path):
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"""处理BIL文件生成RGB图像"""
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try:
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rgb_img = process_bil_files(bil_path)
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return rgb_img
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except Exception as e:
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raise RuntimeError(f"生成RGB图像失败: bil_path={bil_path}") from e
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def run_segmentation(rgb_img, segmentation_model_path=None):
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"""运行分割获取掩膜"""
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try:
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mask, filter_mask_original = detect_microplastic_mask_from_array(
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image=rgb_img,
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filter_method='threshold',
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diameter=None,
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flow_threshold=0.4,
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cellprob_threshold=-1,
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model_path=segmentation_model_path,
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detect_filter=True
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)
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return mask, filter_mask_original
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except Exception as e:
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raise RuntimeError("分割失败: 无法检测微塑料颗粒") from e
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def extract_primary_features(bil_path, mask):
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"""提取主要特征"""
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try:
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df = process_images(bil_path, mask)
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return df
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except Exception as e:
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raise RuntimeError(f"特征提取失败: bil_path={bil_path}") from e
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def compute_background_spectrum(bil_path, mask):
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"""计算背景光谱"""
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try:
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df_correct = process_images_background(bil_path, mask)
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return df_correct
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except Exception as e:
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raise RuntimeError(f"背景光谱计算失败: bil_path={bil_path}") from e
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def apply_background_and_optional_resample(df, bg_spectrum, bil_path):
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"""应用背景校正和可选的重采样"""
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# 识别光谱列：所有以wavelength_开头的列
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spec_cols = [c for c in df.columns if c.startswith('wavelength_')]
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if not spec_cols:
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raise ValueError("未找到光谱列（以wavelength_开头的列）")
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if len(spec_cols) != len(bg_spectrum):
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raise ValueError(f"光谱列数量({len(spec_cols)})与背景光谱长度({len(bg_spectrum)})不匹配")
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# 背景校正：用背景光谱逐列相除
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df[spec_cols] = df[spec_cols].div(bg_spectrum, axis=1)
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# 检查是否需要重采样
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src_waves = read_wavelengths_from_hdr(bil_path)
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need_resample = (src_waves.size > 0 and
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(src_waves.size != len(TRAIN_WAVELENGTHS) or
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not np.allclose(src_waves, TRAIN_WAVELENGTHS, atol=1e-2)))
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if need_resample:
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print(f"重采样光谱: 源波段数 {src_waves.size} -> 目标波段数 {len(TRAIN_WAVELENGTHS)}")
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# 提取光谱数据
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X_src = df[spec_cols].to_numpy(dtype=np.float64)
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X_dst = resample_spectra_matrix(X_src, src_waves, TRAIN_WAVELENGTHS)
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# 替换光谱列
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spec_col_names = [f"band_{i+1}" for i in range(len(TRAIN_WAVELENGTHS))]
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df = pd.concat([
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df.drop(columns=spec_cols), # 移除原有光谱列
|
||
pd.DataFrame(X_dst, columns=spec_col_names, index=df.index)
|
||
], axis=1)
|
||
|
||
return df
|
||
|
||
|
||
def clean_and_select_columns(df):
|
||
"""数据清理和列选择"""
|
||
# 移除NaN值
|
||
df = df.dropna()
|
||
|
||
# 过滤轮廓点数不足的样本
|
||
df = df[df['contour'].apply(lambda x: len(x) > 1 if isinstance(x, list) else True)]
|
||
|
||
# 过滤面积过小的样本
|
||
df = df[df['area'] >= 500]
|
||
|
||
# 列筛选：使用原来的硬编码索引删除逻辑
|
||
cols_to_remove = df.columns[np.r_[-14: -1]]
|
||
df = df.drop(columns=cols_to_remove)
|
||
|
||
return df
|
||
|
||
|
||
def run_primary_classification(df, primary_model_path):
|
||
"""运行主要分类"""
|
||
try:
|
||
# 验证特征维度
|
||
try:
|
||
import joblib
|
||
scaler_path = os.path.join(os.path.dirname(primary_model_path), 'scaler_params.pkl')
|
||
if os.path.exists(scaler_path):
|
||
scaler = joblib.load(scaler_path)
|
||
numeric_cols = [c for c in df.columns[1:] if np.issubdtype(df[c].dtype, np.number) and c != 'contour']
|
||
if hasattr(scaler, 'mean_') and len(numeric_cols) != scaler.mean_.shape[0]:
|
||
raise ValueError(f"特征维度不匹配: 当前{numeric_cols}列 != 训练时{scaler.mean_.shape[0]}维")
|
||
except Exception as e:
|
||
print(f"警告: 无法验证特征维度: {e}")
|
||
|
||
df_pre = predict_with_model(
|
||
df,
|
||
primary_model_path,
|
||
model_type='SVM',
|
||
ProcessMethods1='SS',
|
||
ProcessMethods2='None'
|
||
)
|
||
return df_pre
|
||
except Exception as e:
|
||
raise RuntimeError(f"主要分类失败: model_path={primary_model_path}") from e
|
||
|
||
|
||
def run_secondary_classification_if_needed(df_pre, bil_path, mask, filter_mask_original):
|
||
"""根据需要运行二次分类"""
|
||
# 二次分类配置（保持在代码内）
|
||
secondary_model_path = os.path.join(os.path.dirname(__file__), 'modelsave', 'HDPELDPE_model', 'svm.m')
|
||
secondary_target_classes = [1, 2] # HDPE, LDPE
|
||
|
||
target_classes = set(secondary_target_classes or [])
|
||
mask_secondary = df_pre['Predictions'].isin(target_classes)
|
||
|
||
if not mask_secondary.any():
|
||
print("未找到目标类别样本，跳过二次分类")
|
||
return df_pre
|
||
|
||
print(f"为类别 {sorted(target_classes)} 运行二次分类")
|
||
|
||
# 检查二次模型是否存在
|
||
if not os.path.exists(secondary_model_path):
|
||
print(f"警告: 二次模型不存在: {secondary_model_path}，跳过二次分类")
|
||
return df_pre
|
||
|
||
try:
|
||
# 图像信息的背景矫正
|
||
df_correct = shape_correct_background(bil_path, mask, filter_mask_original)
|
||
|
||
# 创建只包含目标类别的掩膜
|
||
mask_second = np.zeros_like(mask, dtype=np.uint16)
|
||
for idx in df_pre[mask_secondary].index:
|
||
contour = df_pre.loc[idx, 'contour']
|
||
if isinstance(contour, list) and len(contour) > 0:
|
||
contour_array = np.array(contour, dtype=np.int32)
|
||
cv2.fillPoly(mask_second, [contour_array], idx + 1)
|
||
|
||
# 提取特征
|
||
df_shape = extract_features(df_correct, mask_second)
|
||
|
||
# 确保使用前13列作为模型输入特征
|
||
if len(df_shape.columns) >= 13:
|
||
df_shape = df_shape.iloc[:, :13]
|
||
|
||
# 二次分类
|
||
df_secondary = predict_with_model(
|
||
df_shape,
|
||
secondary_model_path,
|
||
model_type='SVM',
|
||
ProcessMethods1='None',
|
||
ProcessMethods2='None'
|
||
)
|
||
|
||
# 更新预测结果（类别+1）
|
||
df_pre.loc[mask_secondary, 'Predictions'] = df_secondary['Predictions'].values + 1
|
||
|
||
except Exception as e:
|
||
print(f"警告: 二次分类失败，将继续使用主要分类结果: {e}")
|
||
|
||
return df_pre
|
||
|
||
|
||
def postprocess_class7_shadow(df_pre, rgb_img):
|
||
"""后处理类别7/8中的背景阴影（更稳健）"""
|
||
# 7和8都纳入检查范围
|
||
mask_targets = df_pre['Predictions'].isin([7, 8])
|
||
if not mask_targets.any():
|
||
return df_pre
|
||
|
||
print(f"处理 {mask_targets.sum()} 个类别7/8样本，识别背景阴影...")
|
||
|
||
# 灰度图
|
||
if hasattr(rgb_img, 'mode'): # PIL Image
|
||
rgb_img_array = np.array(rgb_img)
|
||
else:
|
||
rgb_img_array = rgb_img
|
||
if len(rgb_img_array.shape) == 3:
|
||
gray_img = cv2.cvtColor(rgb_img_array, cv2.COLOR_RGB2GRAY)
|
||
else:
|
||
gray_img = rgb_img_array
|
||
|
||
# 更稳的梯度（Scharr）
|
||
grad_x = cv2.Scharr(gray_img, cv2.CV_64F, 1, 0)
|
||
grad_y = cv2.Scharr(gray_img, cv2.CV_64F, 0, 1)
|
||
gradient_magnitude = np.sqrt(grad_x ** 2 + grad_y ** 2)
|
||
|
||
# 统计指标
|
||
edge_ratios = []
|
||
contrast_norms = []
|
||
areas_list = []
|
||
measures_per_idx = {}
|
||
|
||
edge_thick = 3
|
||
ring_thick = 5
|
||
eps = 1e-6
|
||
|
||
for idx in df_pre[mask_targets].index:
|
||
try:
|
||
contour = df_pre.loc[idx, 'contour']
|
||
if not isinstance(contour, (list, np.ndarray)) or len(contour) < 3:
|
||
continue
|
||
contour_array = np.array(contour, dtype=np.int32)
|
||
if len(contour_array.shape) == 1:
|
||
continue
|
||
|
||
poly_mask = np.zeros(gray_img.shape, dtype=np.uint8)
|
||
cv2.fillPoly(poly_mask, [contour_array], 255)
|
||
|
||
# 边界带
|
||
edge_mask = np.zeros_like(poly_mask)
|
||
cv2.drawContours(edge_mask, [contour_array], -1, 255, thickness=edge_thick)
|
||
|
||
# 外环：膨胀边界去掉边界本身与内区
|
||
ring_mask = cv2.dilate(edge_mask, np.ones((ring_thick, ring_thick), np.uint8), iterations=1)
|
||
ring_mask = cv2.bitwise_and(ring_mask, cv2.bitwise_not(edge_mask))
|
||
ring_mask = cv2.bitwise_and(ring_mask, cv2.bitwise_not(poly_mask))
|
||
|
||
edge_vals = gradient_magnitude[edge_mask > 0]
|
||
ring_vals = gradient_magnitude[ring_mask > 0]
|
||
if edge_vals.size == 0 or ring_vals.size == 0:
|
||
continue
|
||
r_edge = float(np.median(edge_vals) / (np.median(ring_vals) + eps))
|
||
|
||
inside_vals = gray_img[poly_mask > 0]
|
||
outside_vals = gray_img[ring_mask > 0]
|
||
if inside_vals.size == 0 or outside_vals.size == 0:
|
||
continue
|
||
dI = float(np.median(inside_vals) - np.median(outside_vals))
|
||
c_norm = abs(dI) / (np.std(outside_vals) + eps)
|
||
|
||
# 面积（可选保护）
|
||
area_val = None
|
||
if 'area' in df_pre.columns:
|
||
try:
|
||
area_val = float(df_pre.loc[idx, 'area'])
|
||
except Exception:
|
||
area_val = None
|
||
|
||
edge_ratios.append(r_edge)
|
||
contrast_norms.append(c_norm)
|
||
areas_list.append(area_val if area_val is not None else 0.0)
|
||
measures_per_idx[idx] = (r_edge, c_norm, area_val)
|
||
except Exception:
|
||
continue
|
||
|
||
if not measures_per_idx:
|
||
print("无可用的7/8类样本进行阴影判别")
|
||
return df_pre
|
||
|
||
def robust_q(arr, q):
|
||
vals = [v for v in arr if v is not None]
|
||
return float(np.percentile(vals, q)) if len(vals) > 0 else None
|
||
|
||
# 稳健阈值（低于30分位更像阴影）
|
||
r_thresh = robust_q(edge_ratios, 30.0)
|
||
c_thresh = robust_q(contrast_norms, 30.0)
|
||
# 面积保护：仅对较小目标允许改写，阈值取面积分布的40%分位，限定上限避免过大
|
||
a_thresh = robust_q(areas_list, 40.0)
|
||
if a_thresh is None or a_thresh <= 0:
|
||
a_thresh = 1200.0
|
||
a_thresh = min(a_thresh, 2000.0)
|
||
|
||
indices_to_update = []
|
||
for idx, (r_edge, c_norm, area_val) in measures_per_idx.items():
|
||
small_enough = (area_val is None) or (area_val <= a_thresh)
|
||
if (r_thresh is not None and c_thresh is not None and small_enough):
|
||
# 两个指标都低，且面积不大 -> 判定为阴影
|
||
if (r_edge < r_thresh) and (c_norm < c_thresh):
|
||
indices_to_update.append(idx)
|
||
|
||
if indices_to_update:
|
||
# 改为背景（0），而不是9（PVC）
|
||
df_pre.loc[indices_to_update, 'Predictions'] = 9
|
||
print(f"将 {len(indices_to_update)} 个样本从类别7/8改为背景（阴影），面积阈值≈{a_thresh:.0f}")
|
||
else:
|
||
print("无需更新类别7/8样本")
|
||
|
||
return df_pre
|
||
|
||
|
||
def write_outputs(bil_path, df_pre, output_path):
|
||
"""写入输出结果"""
|
||
try:
|
||
# 收缩轮廓
|
||
df_pre = shrink_contours(bil_path, df_pre, shrink_pixels=1)
|
||
|
||
# 保存ENVI分类结果
|
||
save_envi_classification(bil_path, df_pre, output_path)
|
||
|
||
except Exception as e:
|
||
raise RuntimeError(f"保存结果失败: output_path={output_path}") from e
|
||
|
||
|
||
def main():
|
||
"""主函数"""
|
||
args = parse_arguments()
|
||
|
||
bil_path = args.bil_path
|
||
output_path = args.output_path
|
||
primary_model_path = args.model_path
|
||
segmentation_model_path = None
|
||
|
||
# 记录总开始时间
|
||
total_start_time = time.time()
|
||
|
||
try:
|
||
# 验证输入
|
||
validate_inputs(bil_path, output_path, primary_model_path)
|
||
bands =[912.36, 915.68, 919, 922.31, 925.63, 928.95, 932.27, 935.59, 938.91, 942.23, 945.55, 948.87, 952.18, 955.5, 958.82, 962.14, 965.46, 968.78, 972.1, 975.42, 978.74, 982.06, 985.38, 988.7, 992.02, 995.34, 998.65, 1002, 1005.3, 1008.6, 1011.9, 1015.3, 1018.6, 1021.9, 1025.2, 1028.5, 1031.9, 1035.2, 1038.5, 1041.8, 1045.1, 1048.5, 1051.8, 1055.1, 1058.4, 1061.7, 1065.1, 1068.4, 1071.7, 1075, 1078.3, 1081.7, 1085, 1088.3, 1091.6, 1094.9, 1098.3, 1101.6, 1104.9, 1108.2, 1111.5, 1114.9, 1118.2, 1121.5, 1124.8, 1128.1, 1131.5, 1134.8, 1138.1, 1141.4, 1144.8, 1148.1, 1151.4, 1154.7, 1158, 1161.4, 1164.7, 1168, 1171.3, 1174.6, 1178, 1181.3, 1184.6, 1187.9, 1191.3, 1194.6, 1197.9, 1201.2, 1204.5, 1207.9, 1211.2, 1214.5, 1217.8, 1221.2, 1224.5, 1227.8, 1231.1, 1234.4, 1237.8, 1241.1, 1244.4, 1247.7, 1251.1, 1254.4, 1257.7, 1261, 1264.3, 1267.7, 1271, 1274.3, 1277.6, 1281, 1284.3, 1287.6, 1290.9, 1294.2, 1297.6, 1300.9, 1304.2, 1307.5, 1310.9, 1314.2, 1317.5, 1320.8, 1324.2, 1327.5, 1330.8, 1334.1, 1337.4, 1340.8, 1344.1, 1347.4, 1350.7, 1354.1, 1357.4, 1360.7, 1364, 1367.4, 1370.7, 1374, 1377.3, 1380.7, 1384, 1387.3, 1390.6, 1394, 1397.3, 1400.6, 1403.9, 1407.2, 1410.6, 1413.9, 1417.2, 1420.5, 1423.9, 1427.2, 1430.5, 1433.8, 1437.2, 1440.5, 1443.8, 1447.1, 1450.5, 1453.8, 1457.1, 1460.4, 1463.8, 1467.1, 1470.4, 1473.7, 1477.1, 1480.4, 1483.7, 1487, 1490.4, 1493.7, 1497, 1500.3, 1503.7, 1507, 1510.3, 1513.6, 1517, 1520.3, 1523.6, 1526.9, 1530.3, 1533.6, 1536.9, 1540.2, 1543.6, 1546.9, 1550.2, 1553.6, 1556.9, 1560.2, 1563.5, 1566.9, 1570.2, 1573.5, 1576.8, 1580.2, 1583.5, 1586.8, 1590.1, 1593.5, 1596.8, 1600.1, 1603.4, 1606.8, 1610.1, 1613.4, 1616.7, 1620.1, 1623.4, 1626.7, 1630.1, 1633.4, 1636.7, 1640, 1643.4, 1646.7, 1650, 1653.3, 1656.7, 1660, 1663.3, 1666.7, 1670, 1673.3, 1676.6, 1680, 1683.3, 1686.6, 1689.9, 1693.3, 1696.6, 1699.9, 1703.3, 1706.6]
|
||
|
||
# 修改HDR文件
|
||
change_hdr_file(bil_path,bands)
|
||
|
||
# 处理BIL文件生成RGB图像
|
||
print("处理BIL文件生成RGB图像...")
|
||
rgb_img = generate_rgb(bil_path)
|
||
|
||
# 分割阶段
|
||
segmentation_start_time = time.time()
|
||
print("生成掩膜...")
|
||
mask, filter_mask_original = run_segmentation(rgb_img, segmentation_model_path)
|
||
|
||
# 提取特征
|
||
print("从BIL文件提取特征...")
|
||
df = extract_primary_features(bil_path, mask)
|
||
|
||
# 背景校正
|
||
print("应用背景校正...")
|
||
bg_spectrum = compute_background_spectrum(bil_path, mask)
|
||
|
||
# 背景校正 + 仅在与训练相机波长不一致时重采样
|
||
df = apply_background_and_optional_resample(df, bg_spectrum, bil_path)
|
||
|
||
# 数据清理和列选择
|
||
print("清理数据...")
|
||
df = clean_and_select_columns(df)
|
||
|
||
segmentation_time = time.time() - segmentation_start_time
|
||
|
||
# 分类阶段
|
||
classification_start_time = time.time()
|
||
print("预测分类...")
|
||
df_pre = run_primary_classification(df, primary_model_path)
|
||
|
||
# 二次分类
|
||
df_pre = run_secondary_classification_if_needed(df_pre, bil_path, mask, filter_mask_original)
|
||
|
||
# 后处理类别7阴影
|
||
df_pre = postprocess_class7_shadow(df_pre, rgb_img)
|
||
|
||
classification_time = time.time() - classification_start_time
|
||
|
||
# 保存结果
|
||
print("保存ENVI分类结果...")
|
||
write_outputs(bil_path, df_pre, output_path)
|
||
|
||
print(f"ENVI分类结果已保存至: {output_path}")
|
||
|
||
# 计算总耗时
|
||
total_time = time.time() - total_start_time
|
||
|
||
# 打印耗时统计
|
||
print(f"\n{'=' * 60}")
|
||
print("处理完成")
|
||
print(f"{'=' * 60}")
|
||
print(f"分割耗时: {segmentation_time:.2f} 秒")
|
||
print(f"分类耗时: {classification_time:.2f} 秒")
|
||
print(f"总耗时: {total_time:.2f} 秒")
|
||
print(f"{'=' * 60}")
|
||
print(f"结果已保存至: {output_path}")
|
||
|
||
except Exception as e:
|
||
print(f"处理失败: {e}")
|
||
raise
|
||
|
||
|
||
if __name__ == "__main__":
|
||
main() |