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<h4>CS_GRAY</h4>
<pre>public static final&nbsp;int CS_GRAY</pre>
<div class="block">Grayscale colorspace.  The JPEG image retains only the luminance data (Y
 component), and any color data from the source image is discarded.
 Grayscale JPEG images can be compressed from and decompressed to any of
 the extended RGB pixel formats or grayscale, or they can be decompressed
 to YUV planar images.</div>
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