[英]java opencv error insufficient memory and assertion failed
我正在使用opencv庫的程序上使用java來獲取圖像文件夾並僅裁剪面孔。 它使用來自opencv的面部識別。 我可以使用它,但是當我嘗試使用較大的圖像文件夾時,由於以下錯誤而停止:
OpenCV錯誤:cv :: OutOfMemoryError中的內存不足(未能分配411068928字節),文件C:\\ builds \\ master_PackSlaveAddon-win32-vc12-static \\ opencv \\ modules \\ core \\ src \\ alloc.cpp,第52行OpenCV錯誤:斷言在cv :: Mat :: create中失敗(u!= 0),文件C:\\ builds \\ master_PackSlaveAddon-win32-vc12-static \\ opencv \\ modules \\ core \\ src \\ matrix.cpp,第411行線程“ main”中的異常CvException [org.opencv.core.CvException:cv :: Exception:C:\\ builds \\ master_PackSlaveAddon-win32-vc12-static \\ opencv \\ modules \\ core \\ src \\ matrix.cpp:411:錯誤:(-215)u!在org.opencv.objdetect.CascadeClassifier.detectMultiScale_1(本機方法)在org.opencv.objdetect.CascadeClassifier.detectMultiScale_1(本機方法)處的函數cv :: Mat :: create =在FaceDetector.main(FaceDetector)處。 Java:42)
import java.awt.image.BufferedImage;
import java.awt.image.DataBufferByte;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.swing.plaf.synth.SynthSeparatorUI;
import org.opencv.core.Core;
import org.opencv.core.CvType;
import org.opencv.core.Mat;
import org.opencv.core.MatOfRect;
import org.opencv.core.Point;
import org.opencv.core.Rect;
import org.opencv.core.Scalar;
import org.opencv.imgcodecs.Imgcodecs;
import org.opencv.imgproc.Imgproc;
import org.opencv.objdetect.CascadeClassifier;
public class FaceDetector {
public static void main(String[] args) throws IOException {
System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
System.out.println("\nRunning FaceDetector");
CascadeClassifier faceDetector = new CascadeClassifier("C:/Users/Family/workspace/detect face/haarcascade_frontalface_alt.xml");
File folder = new File("C:\\Users\\Family\\Downloads\\Photos (4)");
File[] listOfFiles = folder.listFiles();
for (int j = 0; j < listOfFiles.length; j++) {
System.out.println(listOfFiles[j]);
}
for (int i = 0; i < listOfFiles.length-1; i++){
String picname = listOfFiles[i].toString();
System.out.println("reading: " + listOfFiles[i]);
Mat image = Imgcodecs.imread(picname);
MatOfRect faceDetections = new MatOfRect();
faceDetector.detectMultiScale(image, faceDetections);
System.out.println(String.format("Detected %s faces", faceDetections.toArray().length));
for (Rect rect : faceDetections.toArray()) {
Imgproc.rectangle(image, new Point(rect.x, rect.y), new Point(rect.x + rect.width, rect.y + rect.height), new Scalar (0, 255, 0));
}
Rect recta = new Rect();
for (Rect rect : faceDetections.toArray()) {
recta.x = rect.x;
recta.y = rect.y;
recta.width = rect.width;
recta.height = rect.height;
}
if (faceDetections.toArray().length == 1) {
BufferedImage picture = ImageIO.read(new File(picname));
BufferedImage croppedImage = picture.getSubimage(recta.x, recta.y, recta.width, recta.height);
// File finalCropped = new File(listOfFiles[i].toString()+"cropped.jpg");
File finalCropped = new File("C:/Users/Family/Downloads/CroppedImages/" + "cropped" + (i + 140) + ".jpg");
ImageIO.write(croppedImage, "jpg", finalCropped);
System.out.println("Cropping " + i + "/" + listOfFiles.length);
}
faceDetections.release();
}
System.out.println("Process complete.");
}
}
您也應該釋放image
對象。 我建議最后使用try catch進行適當的釋放。
image.release();
您是否嘗試增加堆空間? 在這里看看。
java.lang.OutOfMemoryError:當應用程序嘗試向堆空間區域中添加更多數據但空間不足時,將觸發Java堆空間錯誤。
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