Quote:
Originally Posted by CapitainDerya
geekmaster, did you extracted image as bmp or png from pdf? I think that this pdf is embedded with monochrome(1 bit) image
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I did GIF to upload, but I extracted 32-bit pixels with a screen capture. Perhaps that was distorted by the PDF viewer which anitialiased while resising to fit my screen. The correct approach would be to digitally rip the image from the PDF file directly, not a screen capture, but this computer has no such tools.
In any case, a 1-bit image is all pure black and pure white -- no gray pixels. It makes no sense that the kindle would arbitrarily decide to erase some blocks of pixels that just just happen to be a complete letter without affecting adjacent letters. It would need contour detection to selectively "lasso" and erase letters like that.
It is a puzzle I do not wish to solve right now -- I had a very rough day...