Png Image 4 Channels. These smaller files are the image s channels and they have a range of 256 values ranging from 0 255. I found that just removing 4th channel is unsufficcient.
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How to set transparent background to grabcut output image in opencv c. Converting transparent pixels to white after mask proccess. Then why not using the c api of opencv.
The method i am using currently is to right click and save as a png file.
An alpha value of 255 will make the pixel fully opaque value 0 will make it fully transparent values in between will make the pixel partly transparent. You can see evidence of this in your color picker with values broken down between red green and blue on the left and cyan magenta yellow and keyline black on the right. In the code below we create an rgba image initially setting the same blue and orange areas as before with and alpha value of 255. Converting transparent pixels to white after mask proccess.
