扫描边缘

itrufeng · Apr 18, 2011 · 40b44c2 · 40b44c2
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diff --git a/20110418/CannyCapture/.cproject b/20110418/CannyCapture/.cproject
diff --git a/20110418/CannyCapture/.project b/20110418/CannyCapture/.project
@@ -0,0 +1,83 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>CannyCapture</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
+			<triggers>clean,full,incremental,</triggers>
+			<arguments>
+				<dictionary>
+					<key>?name?</key>
+					<value></value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.append_environment</key>
+					<value>true</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.autoBuildTarget</key>
+					<value>all</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.buildArguments</key>
+					<value></value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.buildCommand</key>
+					<value>make</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.buildLocation</key>
+					<value>${workspace_loc:/CannyCapture/Debug}</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.cleanBuildTarget</key>
+					<value>clean</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.contents</key>
+					<value>org.eclipse.cdt.make.core.activeConfigSettings</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.enableAutoBuild</key>
+					<value>false</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.enableCleanBuild</key>
+					<value>true</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.enableFullBuild</key>
+					<value>true</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.fullBuildTarget</key>
+					<value>all</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.stopOnError</key>
+					<value>true</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.useDefaultBuildCmd</key>
+					<value>true</value>
+				</dictionary>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
+			<triggers>full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.cdt.core.cnature</nature>
+		<nature>org.eclipse.cdt.core.ccnature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
+	</natures>
+</projectDescription>
diff --git a/20110418/CannyCapture/main.cpp b/20110418/CannyCapture/main.cpp
@@ -0,0 +1,45 @@
+/*c
+ * main.cpp
+ *
+ *  Created on: 2011-4-17
+ *      Author: itrufeng
+ */
+
+#include <opencv/cv.h>
+#include <opencv/highgui.h>
+// aperture 光圈
+IplImage* canny(IplImage *inputImage,float lowThresh,float highThresh,float aperture){
+	IplImage *outputImage;
+	if(inputImage->nChannels>1){
+		printf("not gray image.");
+	}
+	outputImage = cvCreateImage(cvGetSize(inputImage),IPL_DEPTH_8U,1);
+	cvCanny(inputImage,outputImage,lowThresh,highThresh,aperture);
+	return outputImage;
+}
+
+int main(int args,char *argv[]){
+	CvCapture *capture = NULL;
+	IplImage *image;
+	cvNamedWindow("inputImage",CV_WINDOW_AUTOSIZE);
+	cvMoveWindow("inputImage",100,100);
+	capture = cvCreateCameraCapture(CV_CAP_ANY);
+	while(image=cvQueryFrame(capture)){
+		IplImage *grayImage = cvCreateImage(cvGetSize(image),image->depth,1);
+		IplImage *cannyImage = cvCreateImage(cvGetSize(grayImage),IPL_DEPTH_8U,1);
+		cvCvtColor(image,grayImage,CV_RGB2GRAY);
+		// float lowThresh 内部轮廓。数字越大越模糊
+		// float highThresh //外部轮廓。数字越大越模糊
+		// float aperture
+		cannyImage = canny(grayImage,20,20,3);
+		cvShowImage("inputImage",cannyImage);
+		if(cvWaitKey(2)>0)
+			break;
+		cvReleaseImage(&cannyImage);
+		cvReleaseImage(&grayImage);
+	}
+	//
+	cvDestroyWindow("inputImage");
+	cvReleaseCapture(&capture);
+	return 0;
+}