OpenCV2.3 imwrite saves black image

Question

I am trying to save a JPEG image onto the disk using imwrite, seems that I am missing something. I am always getting a black image of around 4KBs. What am I doing wrong here? Im

Answer 1

I only had to convert it to 16bit image

image.convertTo(image,CV_16UC3,255,255);

as per document, 8 or 16 bit images can be saved.