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https://github.com/n7olkachev/imgdiff
Faster than the fastest in the world pixel-by-pixel image difference tool.
https://github.com/n7olkachev/imgdiff
Last synced: 20 days ago
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Faster than the fastest in the world pixel-by-pixel image difference tool.
- Host: GitHub
- URL: https://github.com/n7olkachev/imgdiff
- Owner: n7olkachev
- License: mit
- Created: 2020-12-12T14:25:51.000Z (almost 4 years ago)
- Default Branch: master
- Last Pushed: 2021-03-25T08:02:58.000Z (over 3 years ago)
- Last Synced: 2024-10-02T00:43:00.032Z (about 1 month ago)
- Language: Go
- Size: 9.77 KB
- Stars: 1,684
- Watchers: 19
- Forks: 71
- Open Issues: 0
-
Metadata Files:
- Readme: readme.md
- License: LICENSE
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README
# imgdiff
Faster than [the fastest in the world pixel-by-pixel image difference tool](https://github.com/dmtrKovalenko/odiff).
## Why?
imgdiff isn't as fast as a tool like this should be and I'm not proud of it, but it is 3X faster than
[the fastest in the world pixel-by-pixel image difference tool](https://github.com/dmtrKovalenko/odiff),
so maybe you'll find it useful.
## Features
It can do everything [odiff](https://github.com/dmtrKovalenko/odiff) can. Faster.
## Benchmarks
I've tested it on Linux, Intel(R) Core(TM) i7-4700HQ CPU @ 2.40GHz, 8 cores.
[Cypress image](https://github.com/dmtrKovalenko/odiff/blob/main/images/www.cypress.io.png) 3446 x 10728
| Command | Mean [s] | Min [s] | Max [s] | Relative |
| :------------------------------------------------------------- | ------------: | ------: | ------: | -------: |
| `imgdiff images/cypress-1.png images/cypress-2.png output.png` | 1.442 ± 0.012 | 1.420 | 1.462 | 1.00 |
| `odiff images/cypress-1.png images/cypress-2.png output.png` | 6.475 ± 0.092 | 6.300 | 6.583 | 4.49 |
[Water image](https://github.com/dmtrKovalenko/odiff/blob/main/images/water-4k.png) 8400 x 4725
| Command | Mean [s] | Min [s] | Max [s] | Relative |
| :--------------------------------------------------------- | -------------: | ------: | ------: | -------: |
| `imgdiff images/water-1.png images/water-2.png output.png` | 1.908 ± 0.0058 | 1.841 | 2.002 | 1.00 |
| `odiff images/water-1.png images/water-2.png output.png` | 6.016 ± 0.415 | 5.643 | 7.140 | 3.15 |
## Usage
```
Usage: imgdiff [--threshold THRESHOLD] [--diff-image] [--fail-on-layout] BASE COMPARE OUTPUT
Positional arguments:
BASE Base image.
COMPARE Image to compare with.
OUTPUT Output image path.
Options:
--threshold THRESHOLD, -t THRESHOLD
Color difference threshold (from 0 to 1). Less more precise. [default: 0.1]
--diff-image Render image to the diff output instead of transparent background. [default: false]
--fail-on-layout Do not compare images and produce output if images layout is different. [default: false]
--help, -h display this help and exit
```
## Download
You can find pre-built binaries [here](https://github.com/n7olkachev/imgdiff/releases/tag/v1.0.0).
imgdiff is written in Go, so there shouldn't be any troubles to compile it for the most of popular platforms.