实现了2种比值法计算云量

2022-05-20 19:21:42 +08:00
parent 070b1f0572
commit 7adf9378ed
5 changed files with 588 additions and 0 deletions
--- a/cloudage.cpp
+++ b/cloudage.cpp
@ -0,0 +1,194 @@
+#include "cloudage.h"
+
+
+Cloudage::Cloudage(int radius)
+{
+    m_iRadius = radius;
+}
+
+void Cloudage::setRadius(int radius)
+{
+    m_iRadius = radius;
+}
+
+QImage Cloudage::readImage(QString imagePath)
+{
+    QImage qImage;
+    qImage.load(imagePath);
+
+    m_qImgPath = imagePath;
+
+    return qImage;
+}
+
+QImage Cloudage::createGrayscaleImage(int width, int height)
+{
+    QImage grayscaleImage(width, height, QImage::Format_Indexed8);//提问：如果使用QImage::Format_Grayscale8怎么实现？
+    QVector<QRgb> grayTable;        //设置颜色表
+    for (int i = 0; i < 256; i++)
+        grayTable.push_back(qRgb(i, i, i));
+    grayscaleImage.setColorTable(grayTable);
+
+    return grayscaleImage;
+}
+
+void Cloudage::getPosOfCenterpixel(int width, int height, int &widthCenter,int &heightCenter)
+{
+    widthCenter = width/2;
+    heightCenter = height/2;
+}
+
+bool Cloudage::isValidPos(int x1, int y1, int x2, int y2)
+{
+    float tmp =pow((x1 - x2), 2) + pow((y1 - y2), 2);
+    float distance = sqrt(tmp);
+
+    if(distance > m_iRadius)
+        return false;
+    else
+        return true;
+}
+
+float Cloudage::getcloudage1(QImage image, bool saveBinaryImg)
+{
+    int width=image.width();
+    int height=image.height();
+
+    int widthCenter;
+    int heightCenter;
+    getPosOfCenterpixel(width,height,widthCenter,heightCenter);
+
+    QImage cloudQImage = createGrayscaleImage(width, height);
+
+
+//    int cloudInt[width][height] = {0};//错误：不能用变量在栈上定义数组 → 只能定义在堆上！
+
+    //申请空间
+    int** cloudInt = new int*[width];
+    for(int i=0;i<width;i++)
+        cloudInt[i] = new int[height];
+
+    //云点识别
+    float cloudPixelCounter = 0;
+    float totalPixelCountor = 0;
+    for(int i=0;i<width;i++)
+    {
+        for(int j=0;j<height;j++)
+        {
+            if(!isValidPos(i,j,widthCenter,heightCenter))//判断是否在有效半径内，如果不在就不统计
+            {
+                cloudQImage.setPixel(i,j,0);
+                continue;
+            }
+
+            totalPixelCountor++;
+
+            QColor pixelTmp = image.pixelColor(i,j);
+
+            float red = (float)pixelTmp.red();
+            float blue = (float)pixelTmp.blue();
+            float rate = red/blue;
+
+            if(rate>0.6)
+            {
+                cloudQImage.setPixel(i,j,255);
+                cloudInt[i][j] = 1;
+                cloudPixelCounter++;
+            }
+            else
+            {
+                cloudQImage.setPixel(i,j,150);
+            }
+        }
+    }
+
+    //计算云量
+    float cloudage = cloudPixelCounter / totalPixelCountor;
+
+    if(saveBinaryImg)
+    {
+        QStringList imgPathTMP = m_qImgPath.split(".");
+        QString name = imgPathTMP[0] + "_BinaryImg_ratio1." + imgPathTMP[1];
+        cloudQImage.save(name);
+    }
+
+
+    //释放空间
+    for(int i=0;i<width;i++)
+        delete []cloudInt[i];
+    delete []cloudInt;
+
+    return cloudage;
+}
+
+float Cloudage::getcloudage2(QImage image, bool saveBinaryImg)
+{
+    int width=image.width();
+    int height=image.height();
+
+    int widthCenter;
+    int heightCenter;
+    getPosOfCenterpixel(width,height,widthCenter,heightCenter);
+
+    QImage cloudQImage = createGrayscaleImage(width, height);
+
+
+//    int cloudInt[width][height] = {0};//错误：不能用变量在栈上定义数组 → 只能定义在堆上！
+
+    //申请空间
+    int** cloudInt = new int*[width];
+    for(int i=0;i<width;i++)
+        cloudInt[i] = new int[height];
+
+    //云点识别
+    float cloudPixelCounter = 0;
+    float totalPixelCountor = 0;
+    for(int i=0;i<width;i++)
+    {
+        for(int j=0;j<height;j++)
+        {
+            if(!isValidPos(i,j,widthCenter,heightCenter))//判断是否在有效半径内，如果不在就不统计
+            {
+                cloudQImage.setPixel(i,j,0);
+                continue;
+            }
+
+            totalPixelCountor++;
+
+            QColor pixelTmp = image.pixelColor(i,j);
+
+            float red = (float)pixelTmp.red();
+            float blue = (float)pixelTmp.blue();
+            float rate = (blue - red) / (blue + red);
+
+            if(rate<0.2)
+            {
+                cloudQImage.setPixel(i,j,255);
+                cloudInt[i][j] = 1;
+                cloudPixelCounter++;
+            }
+            else
+            {
+                cloudQImage.setPixel(i,j,150);
+            }
+        }
+    }
+
+    //计算云量
+    float cloudage = cloudPixelCounter / totalPixelCountor;
+
+    if(saveBinaryImg)
+    {
+        QStringList imgPathTMP = m_qImgPath.split(".");
+        QString name = imgPathTMP[0] + "_BinaryImg_ratio2." + imgPathTMP[1];
+        cloudQImage.save(name);
+    }
+
+
+    //释放空间
+    for(int i=0;i<width;i++)
+        delete []cloudInt[i];
+    delete []cloudInt;
+
+    return cloudage;
+}
--- a/cloudage.h
+++ b/cloudage.h
@ -0,0 +1,32 @@
+#ifndef CLOUDAGE_H
+#define CLOUDAGE_H
+
+#include "cloudage_global.h"
+#include <QImage>
+#include <QString>
+#include <cmath>
+
+class CLOUDAGESHARED_EXPORT Cloudage
+{
+
+public:
+    Cloudage(int radius);
+    void setRadius(int radius);
+
+    QImage readImage(QString imagePath);
+    QImage createGrayscaleImage(int width, int height);
+
+    void getPosOfCenterpixel(int width, int height, int &widthCenter, int &heightCenter);
+    bool isValidPos(int x1, int y1, int x2, int y2);
+
+    float getcloudage1(QImage image, bool saveBinaryImg = false);
+    float getcloudage2(QImage image, bool saveBinaryImg = false);
+
+
+
+private:
+    int m_iRadius;
+    QString m_qImgPath;
+};
+
+#endif // CLOUDAGE_H
--- a/cloudage.pro
+++ b/cloudage.pro
@ -0,0 +1,35 @@
+#-------------------------------------------------
+#
+# Project created by QtCreator 2022-05-19T17:18:09
+#
+#-------------------------------------------------
+
+TARGET = cloudage
+TEMPLATE = lib
+
+QT += core
+
+DEFINES += CLOUDAGE_LIBRARY
+
+# The following define makes your compiler emit warnings if you use
+# any feature of Qt which as been marked as deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+# You can also make your code fail to compile if you use deprecated APIs.
+# In order to do so, uncomment the following line.
+# You can also select to disable deprecated APIs only up to a certain version of Qt.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+SOURCES += \
+        cloudage.cpp
+
+HEADERS += \
+        cloudage.h \
+        cloudage_global.h 
+
+unix {
+    target.path = /usr/lib
+    INSTALLS += target
+}
--- a/cloudage.pro.user
+++ b/cloudage.pro.user
@ -0,0 +1,315 @@
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+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">清理</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName"></value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.BuildSteps.Clean</value>
+    </valuemap>
+    <value type="int" key="ProjectExplorer.BuildConfiguration.BuildStepListCount">2</value>
+    <value type="bool" key="ProjectExplorer.BuildConfiguration.ClearSystemEnvironment">false</value>
+    <valuelist type="QVariantList" key="ProjectExplorer.BuildConfiguration.UserEnvironmentChanges"/>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">Profile</value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName"></value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">Qt4ProjectManager.Qt4BuildConfiguration</value>
+    <value type="int" key="Qt4ProjectManager.Qt4BuildConfiguration.BuildConfiguration">0</value>
+    <value type="bool" key="Qt4ProjectManager.Qt4BuildConfiguration.UseShadowBuild">true</value>
+   </valuemap>
+   <value type="int" key="ProjectExplorer.Target.BuildConfigurationCount">3</value>
+   <valuemap type="QVariantMap" key="ProjectExplorer.Target.DeployConfiguration.0">
+    <valuemap type="QVariantMap" key="ProjectExplorer.BuildConfiguration.BuildStepList.0">
+     <value type="int" key="ProjectExplorer.BuildStepList.StepsCount">0</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">部署</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName"></value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.BuildSteps.Deploy</value>
+    </valuemap>
+    <value type="int" key="ProjectExplorer.BuildConfiguration.BuildStepListCount">1</value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">在本地部署</value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName"></value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.DefaultDeployConfiguration</value>
+   </valuemap>
+   <value type="int" key="ProjectExplorer.Target.DeployConfigurationCount">1</value>
+   <valuemap type="QVariantMap" key="ProjectExplorer.Target.PluginSettings"/>
+   <valuemap type="QVariantMap" key="ProjectExplorer.Target.RunConfiguration.0">
+    <value type="bool" key="Analyzer.QmlProfiler.AggregateTraces">false</value>
+    <value type="bool" key="Analyzer.QmlProfiler.FlushEnabled">false</value>
+    <value type="uint" key="Analyzer.QmlProfiler.FlushInterval">1000</value>
+    <value type="QString" key="Analyzer.QmlProfiler.LastTraceFile"></value>
+    <value type="bool" key="Analyzer.QmlProfiler.Settings.UseGlobalSettings">true</value>
+    <valuelist type="QVariantList" key="Analyzer.Valgrind.AddedSuppressionFiles"/>
+    <value type="bool" key="Analyzer.Valgrind.Callgrind.CollectBusEvents">false</value>
+    <value type="bool" key="Analyzer.Valgrind.Callgrind.CollectSystime">false</value>
+    <value type="bool" key="Analyzer.Valgrind.Callgrind.EnableBranchSim">false</value>
+    <value type="bool" key="Analyzer.Valgrind.Callgrind.EnableCacheSim">false</value>
+    <value type="bool" key="Analyzer.Valgrind.Callgrind.EnableEventToolTips">true</value>
+    <value type="double" key="Analyzer.Valgrind.Callgrind.MinimumCostRatio">0.01</value>
+    <value type="double" key="Analyzer.Valgrind.Callgrind.VisualisationMinimumCostRatio">10</value>
+    <value type="bool" key="Analyzer.Valgrind.FilterExternalIssues">true</value>
+    <value type="int" key="Analyzer.Valgrind.LeakCheckOnFinish">1</value>
+    <value type="int" key="Analyzer.Valgrind.NumCallers">25</value>
+    <valuelist type="QVariantList" key="Analyzer.Valgrind.RemovedSuppressionFiles"/>
+    <value type="int" key="Analyzer.Valgrind.SelfModifyingCodeDetection">1</value>
+    <value type="bool" key="Analyzer.Valgrind.Settings.UseGlobalSettings">true</value>
+    <value type="bool" key="Analyzer.Valgrind.ShowReachable">false</value>
+    <value type="bool" key="Analyzer.Valgrind.TrackOrigins">true</value>
+    <value type="QString" key="Analyzer.Valgrind.ValgrindExecutable">valgrind</value>
+    <valuelist type="QVariantList" key="Analyzer.Valgrind.VisibleErrorKinds">
+     <value type="int">0</value>
+     <value type="int">1</value>
+     <value type="int">2</value>
+     <value type="int">3</value>
+     <value type="int">4</value>
+     <value type="int">5</value>
+     <value type="int">6</value>
+     <value type="int">7</value>
+     <value type="int">8</value>
+     <value type="int">9</value>
+     <value type="int">10</value>
+     <value type="int">11</value>
+     <value type="int">12</value>
+     <value type="int">13</value>
+     <value type="int">14</value>
+    </valuelist>
+    <value type="int" key="PE.EnvironmentAspect.Base">2</value>
+    <valuelist type="QVariantList" key="PE.EnvironmentAspect.Changes"/>
+    <value type="QString" key="ProjectExplorer.CustomExecutableRunConfiguration.Arguments"></value>
+    <value type="QString" key="ProjectExplorer.CustomExecutableRunConfiguration.Executable"></value>
+    <value type="QString" key="ProjectExplorer.CustomExecutableRunConfiguration.WorkingDirectory">%{buildDir}</value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">Custom Executable</value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName"></value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.CustomExecutableRunConfiguration</value>
+    <value type="uint" key="RunConfiguration.QmlDebugServerPort">3768</value>
+    <value type="bool" key="RunConfiguration.UseCppDebugger">false</value>
+    <value type="bool" key="RunConfiguration.UseCppDebuggerAuto">true</value>
+    <value type="bool" key="RunConfiguration.UseMultiProcess">false</value>
+    <value type="bool" key="RunConfiguration.UseQmlDebugger">false</value>
+    <value type="bool" key="RunConfiguration.UseQmlDebuggerAuto">true</value>
+   </valuemap>
+   <value type="int" key="ProjectExplorer.Target.RunConfigurationCount">1</value>
+  </valuemap>
+ </data>
+ <data>
+  <variable>ProjectExplorer.Project.TargetCount</variable>
+  <value type="int">1</value>
+ </data>
+ <data>
+  <variable>ProjectExplorer.Project.Updater.FileVersion</variable>
+  <value type="int">18</value>
+ </data>
+ <data>
+  <variable>Version</variable>
+  <value type="int">18</value>
+ </data>
+</qtcreator>
--- a/cloudage_global.h
+++ b/cloudage_global.h
@ -0,0 +1,12 @@
+#ifndef CLOUDAGE_GLOBAL_H
+#define CLOUDAGE_GLOBAL_H
+
+#include <QtCore/qglobal.h>
+
+#if defined(CLOUDAGE_LIBRARY)
+#  define CLOUDAGESHARED_EXPORT Q_DECL_EXPORT
+#else
+#  define CLOUDAGESHARED_EXPORT Q_DECL_IMPORT
+#endif
+
+#endif // CLOUDAGE_GLOBAL_H