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Seamless copy-and-paste of images with Poisson Blending.
| Date | Stars |
|---|---|
| 2026-07-24 | 373 |
| 2026-07-25 | 373 |
| 2026-07-28 | 373 |
| 2026-07-30 | 373 |
| 2026-08-06 | 373 |
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# poisson_blend - A simple, readable implementation of Poisson Blending An implementation of Poisson Blending, that demonstrates the concepts explained in [my article](https://erkaman.github.io/posts/poisson_blending.html). To use the progam, you specify a source image and a target image. The source image is seamlessly copied and pasted into the target image, at some specified pixel location. By running the command line ``` poisson_blend -source img/kitten.png -target img/library.png -mask img/kittenmask.png -output result.png -mx 280 -my 340 ``` An image of a kitten can be seamlessly copied and pasted into the library, at the position (280, 340), as can be seen below. The mask specifies which pixels of the kitten should actually be copied and pasted. The remaining pixels are ignored. Note that only pure red pixels of RGB color `(255,0,0)` are considered part of the mask. The result of the above command line can be seen below: <table><thead> </thead><tbody> <tr> <td align="center"><img src="img/kitten.png" alt="kitten" width="37" height="46"></td> <td align="center"><img src="img/library.png" alt="library" width="240" height="164"></td> <td align="center"><img src="img/kittenmask.png" alt="kitten mask" width="37" height=46"></td> <td align="center"><img src="img/kitten_library.png" alt="kitten mask" width="240" height="164"></td> </tr> <tr> <td align="center">source</td> <td align="center">target</td> <td align="center">mask</td> <td align="center">result</td> </tr> </tbody></table> ## Gallery A small gallery of images made with this program are presented below. <table><thead> </thead><tbody> <tr> <td align="center"><img src="img/penguin.png" alt="penguin" width="49" height="74"></td> <td align="center"><img src="img/library.png" alt="library" width="240" height="164"></td> <td align="center"><img src="img/penguin_library.png" alt="penguin library" width="240" height="164"></td> </tr> <tr> <td align="center">source</td> <td align="center">target</td> <td align="center">result</td> </tr> </tbody></table> <table><thead> </thead><tbody> <tr> <td align="center"><img src="img/moon.png" alt="moon" width="194" height="129"></td> <td align="center"><img src="img/gothenburg.png" alt="gothenburg" width="204" height="163"></td> <td align="center"><img src="img/moon_gothenburg.png" alt="moon gothenburg" width="204" height="163"></td> </tr> <tr> <td align="center">source</td> <td align="center">target</td> <td align="center">result</td> </tr> </tbody></table> <table><thead> </thead><tbody> <tr> <td align="center"><img src="img/penguin.png" alt="penguin" width="49" height="74"></td> <td align="center"><img src="img/beach.png" alt="beach" width="240" height="164"></td> <td align="center"><img src="img/penguin_beach.png" alt="penguin beach" width="240" height="164"></td> </tr> <tr> <td align="center">source</td> <td align="center">target</td> <td align="center">result</td> </tr> </tbody></table> <table><thead> </thead><tbody> <tr> <td align="center"><img src="img/eagle.png" alt="eagle" width="166" height="135"></td> <td align="center"><img src="img/liberty.png" alt="liberty" width="240" height="180"></td> <td align="center"><img src="img/eagle_liberty.png" alt="eagle liberty" width="240" height="180"></td> </tr> <tr> <td align="center">source</td> <td align="center">target</td> <td align="center">result</td> </tr> </tbody></table> <table><thead> </thead><tbody> <tr> <td align="center"><img src="img/watereagle.png" alt="water eagle" width="148" height="55"></td> <td align="center"><img src="img/lake.png" alt="lake" width="270" height="202"></td> <td align="center"><img src="img/watereagle_lake.png" alt="water eagle lake" width="270" height="202"></td> </tr> <tr> <td align="center">source</td> <td align="center">target</td> <td align="center">result</td> </tr> </tbody></table> <table><thead> </thead><tbody> <tr> <td align="center"><img src="img/balloon.png" alt="balloon" width="93" height="112"></td> <td align="center"><img s
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