Opencv Mat To Array Java
Uchar array new uchar mat rows.
Opencv mat to array java. Saudet can i use a similar approach to initialize a mat from a long array. If mat iscontinuous array mat data. To a 2d array. Otherwise you have to get its data row by row e g.
To implement findcontours gray contours cv retr list cv chain approx simple. Copy link quote reply member saudet commented jul 31 2018. I m not familiar with it. In java i used this syntax imgproc findcontours gray contours new mat imgproc retr list imgproc chain approx simple.
I m trying to implement the example code of the following question by using opencv java api. 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. If the memory of the mat mat is continuous all its data is continuous you can directly get its data to a 1d array. If you want to display the contents of the resultant mat object using an awt swings window you need to convert the mat object to an object of the class java awt image bufferedimage.
Java object oriented programming programming if you try to read an image using the opencv imread method it returns a mat object.