If you select multiple images using ctrl-click (or shift-click), they will show up in different panes.
Press 'd' to see the differences.
NaraImage supports several diff modes - Pixel, Block, Heatmap, and Overlap.
- Pixel : Pixel-by-pixel comparison. Differences are represented as red dots.
- Block : Block-by-block comparison. You can change the block size on the toolbar.
- Heatmap : Pixel-by-pixel heatmap comparison (see above image).
- Overlap : Two images are shown overlapped. If two images have different color space, this is the only diff mode you can use.
Press 'v' to peek a pixel value.
You can see the coordinates, pixel values, and the differences in the tooltips. Tooltip will be disappear as soon as you release 'v'.
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