Opencv Mat Multiply Scalar Java

I m trying to feed an android camera preview image into opencv to detect aruco codes. Based on previous work the current flow is as follows. Multiplication can be done using opencv s multiply function similar to the mat mul function while division can be performed using the divide function.

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Mul public scalar mul scalar it double scale.

Opencv mat multiply scalar java. The following examples show how to use org opencv imgproc imgproc rectangle these examples are extracted from open source projects. Scalar public scalar double v0 double v1 scalar public scalar double v0 scalar public scalar double vals method detail. The same can be done with the division operation. Here are some examples.

You can vote up the ones you like or vote down the ones you don t like and go to the original project or source file by following the links above each example. Given a matrix and a scalar element k our task is to find out the scalar product of that matrix. The following examples show how to use org opencv core core meanstddev these examples are extracted from open source projects. Point2f operator mat m const point2f p mat src 3 rows 1 cols cv 64f.

You can vote up the ones you like or vote down the ones you don t like and go to the original project or source file by following the links above each example. Set public void set double vals all public static scalar all double v clone public scalar clone overrides. Based on vito macchia snippet this may come handy. Clone in class java lang object.

Point2f operator mat m const keypoint p return m p pt. Mat dst m src. Mat 2 3 5 4 k 5 output. Not difficult to do the.

Use matrix algebra return point2f dst at double 0 0 dst at double 1 0. Public mat int rows int cols int type java nio bytebuffer data long step mat public mat size size int type mat public mat int sizes int type mat public mat int rows int cols int type scalar s mat. Again both operations can be performed with a matrix and a scalar. I have a yuv image plane.

I feed it into a zxing. 10 15 25 20 we multiply 5 with every element.