I want to create a binary image from a bitmap. i am extracting the 
luminance from the YUV 420 format from the preview screen and storing it in 
an array . i can create a image using bitmap class be the decode method of
bitmap factory . Now the problem is how to convert this gray scale bitmap 
image to binary image (8bpp to 1bpp) 
Since bufferedimage is not supported in android how to do this ?? Provide 
the code snippet anyone tried hard but couldnt find :(

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