opencv 小白请教个问题。颜色空间转换花屏

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This topic created in 2746 days ago, the information mentioned may be changed or developed.

//java 传过来的 byte[]转 Mat

jbyte *buf = env->GetByteArrayElements(bitmap, NULL);

CvMat mat = cvMat(1280, 720, CV_8UC1, buf);

IplImage *image = cvDecodeImage(&mat, CV_LOAD_IMAGE_COLOR);

cv::Mat _mat;


if (image) {

    _mat = cvarrToMat(image, true);

}

//然后想把 Mat 转 RGBA 转出来花屏。

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mat image 花屏 cvmat