Adobe Photoshop CS5: Content-Aware Fill Sneak Peek
Why Hacker News recommends it
Referenced as the original demo that stunned people when object-removal and image-inpainting algorithms come up.
What it is
Adobe's sneak-peek demo of Content-Aware Fill ahead of Photoshop CS5, showing objects being removed and areas repaired seamlessly with the delete key.
Recommended by 0 HN commenters across 0 different months, 2011 to 2017.
What Hacker News said
Cites hmottestad · 2011-05 · on “How a baseball image got photoshopped by robots”
Here is how it's done in photoshop: [this video] (2:45) It seems someone decided to remove the banner from the video frame. Have a look at the left guys hat, there is a little "v" from where the banner was (in the top red oval). Edited: [LINK] Original: [LINK]
Cites niels_bom · 2011-08 · on “Algorithms to enhance or transform images”
The "remove an object" image transformation reminds me of the Photoshop new feature "content-aware fill" featured here: [this video]
Cites mikeyouse · 2017-05 · on “Google I/O 2017”
Adobe calls it "Content Aware Fill" which is likely what you're thinking of. This was the video that blew everyone's mind, but its 7 years old at this point: [this video]