Timeline for Software or method to batch invert b/w images
Current License: CC BY-SA 4.0
10 events
| when toggle format | what | by | license | comment | |
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| Jun 23 at 6:23 | history | edited | Amazon Dies In Darkness♦ |
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| Dec 20, 2018 at 22:03 | vote | accept | user3169 | ||
| Dec 19, 2018 at 0:45 | comment | added | Kodiologist | Okay. Because of JPEG compression artifacts, they'll have a lot of gray pixels even though they're supposed to be monochrome, so I would recommend thresholding them to true black and white before inverting, and make sure to save in a lossless format such as PNG. An indexed PNG will probably be smaller than the original JPEG. | |
| Dec 18, 2018 at 23:13 | comment | added | user3169 | @Kodiologist You are right. I deleted that part. The basic point was that they are b/w and not gray scale. | |
| Dec 18, 2018 at 23:11 | history | edited | user3169 | CC BY-SA 4.0 |
correction
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| Dec 18, 2018 at 21:55 | comment | added | Kodiologist | Standard JPEGs use three 8-bit channels. Are you sure you really have 1-bit (black-and-white) or 2-bit (four-color) JPEGs? They may be stored as 24 bits (three 8-bit channels) even if they appear monochrome. | |
| Dec 18, 2018 at 6:22 | answer | added | Steve Barnes | timeline score: 1 | |
| Dec 18, 2018 at 6:17 | answer | added | Steve Barnes | timeline score: 2 | |
| Dec 18, 2018 at 5:46 | history | edited | user3169 | CC BY-SA 4.0 |
added 82 characters in body
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| Dec 18, 2018 at 2:51 | history | asked | user3169 | CC BY-SA 4.0 |