我正在使用 JavaCV 开发 OMR(光学标记识别)应用程序,OpenCV 的 Java 接口。该应用程序可以正常运行 200 张图像,但之后它无法在我的代码中为 IplImage 分配内存。当我尝试克隆 imgx 时出现分配错误并将其分配给 imgxc1。您能建议一个程序化修复它吗?增加堆大小似乎是一个临时解决方案?
这是初始化代码(发生异常的地方):
protected boolean init () throws UnableToLoadImage{
imgx = new IplImage();
imgxc1 = new IplImage();
imgxd1 = new IplImage();
imgx = cvLoadImage(path+DR+filename);
if(imgx == null)throw new UnableToLoadImage(path+DR+filename);
//cvSaveImage("debug/"+filename, imgx);
imgxc1 = cvCreateImage(cvGetSize(imgx), imgx.depth(), imgx.nChannels());
imgxc1 = imgx.clone();//error comes here
imgxd1 = cvCreateImage(cvGetSize(imgx), IPL_DEPTH_8U, 1);
cvCvtColor(imgxc1, imgxd1, CV_BGR2GRAY);
return (imgx != null && imgxc1 != null && imgxd1 != null)?true:false;
}
这是清理代码:
public void release() {
if(imgx != null){
imgx.release();
imgxc1.release();
imgxd1.release();
cvReleaseImage(imgx);
cvReleaseImage(imgxc1);
cvReleaseImage(imgxd1);
}
}
堆栈跟踪:
OpenCV Error: Insufficient memory (Failed to allocate 6454368 bytes) in cv::OutOfMemoryError, file ..\..\..\..\opencv\modules\core\src\alloc.cpp, line 52
at org.bytedeco.javacpp.opencv_core.cvCloneImage(Native Method)
at org.bytedeco.javacpp.helper.opencv_core$AbstractIplImage.clone(opencv_core.java:1005)
at com.omr.app.OmrModel.init(OmrModel.java:200)
at com.omr.app.OmrController$2.doInBackground(OmrController.java:328)
at com.omr.app.OmrController$2.doInBackground(OmrController.java:1)
at javax.swing.SwingWorker$1.call(Unknown Source)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at javax.swing.SwingWorker.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)