Tech > ZGP BASIC

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Image compression

made by TKO Soft

uploaded by TKO_Soft

added:

updated:

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3 +1

- Image compression attempt -
Compress 2x1 pixels by counting them in a zigzag on the vertical axis.

Program description:
After compressing the 128x72 pixel image displayed in the upper left, it is expanded from the compressed data and displayed in the lower right.

Data acquisition method
tic80 > out.txt cart.tic

Update
17-Mar '21: Added graphic size and palette information in the data.
3-Mar '21: Algorithm improvement, 30% increase in compression rate!

Comments

kikeroga	#6348 Nice trial :-)
Clikpb	#6370 It's neat, but I can't really tell what either image is. I blame it on the color palette.
TKO_Soft	#6382 Certainly, in the case of photographic images, it is better to adjust the palette.