CODEWITHSUNDEEP
androidopencvimage-processing
NickDevil
NickDevil

Reputation: 185

Laplacian OpenCV Android not working

I'm trying to use Laplacian in my app:

Bitmap result = source.copy(source.getConfig(), true);
Utils.bitmapToMat(source, in);
Imgproc.Laplacian(in, out, 3, 3, 1, 0);
Utils.matToBitmap(out, result);

But I get the following error:

E/cv::error()﹕ OpenCV Error: Assertion failed (src.type() == CV_8UC1 || src.type() == CV_8UC3 || src.type() == CV_8UC4) in void Java_org_opencv_android_Utils_nMatToBitmap2(JNIEnv*, jclass, jlong, jobject, jboolean)

Upvotes: 0

Views: 1306

Answers (1)

akarsakov
akarsakov

Reputation: 2164

According to documentation Utils.matToBitmap accepts only Mat of CV_8U depth. In your example you specify output depth to CV_16S. You should specify output depth for Imgproc.Laplacian, as follows:

Imgproc.Laplacian(in, out, CvType.CV_8U, 3, 1, 0); 
Utils.matToBitmap(out, result);

See documentation for Laplacian.

Upvotes: 2

Related Questions