File:JPEG Generation Loss rotating 90 (stitch of 0,100,200,500,900,2000 times).png
From Wikimedia Commons, the free media repository
Jump to navigation
Jump to search
Size of this preview: 133 × 599 pixels. Other resolutions: 53 × 240 pixels | 106 × 480 pixels | 1,021 × 4,602 pixels.
Original file (1,021 × 4,602 pixels, file size: 7.19 MB, MIME type: image/png)
File information
Structured data
Captions
DescriptionJPEG Generation Loss rotating 90 (stitch of 0,100,200,500,900,2000 times).png |
English: Showing JPEG compression loss when rotating a image 90 degrees iteratively with side lengths not factors of 8.
Digital generation loss induced by rotating a JPEG image 90 degrees (from top to bottom) 0, 100, 200, 500, 900, and 2000 times (without using lossless tools).
Deutsch: Verluste bei der JPEG-Komprimierung beim wiederholten Drehen um 90 Grad wenn die Seitenlängen nicht ein Vielfaches von 8 sind.
Digitaler Generationsverlust durch Drehen eines JPEG-Bildes um 90 Grad (von oben nach unten) 0, 100, 200, 500, 900, und 2000 Mal (mit einem verlustbehafteten Bildbearbeitungsprogramm). |
|||
Date | ||||
Source | Own work | |||
Author | Burny | |||
Permission (Reusing this file) |
|
Generator Code
[edit]The image is composed of some itaration steps of this bash-script using ImageMagik:
for i in {0..2001}; do convert GenerationLoss_step$i.jpg -rotate 90 -quality 85 GenerationLoss_step$(($i+1)).jpg if [ $(($i%100)) -ne 0 ]; then rm GenerationLoss_step$i.jpg fi # # (( i % 100 )) && rm GenerationLoss_step$i.jpg echo -n "." done
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 22:08, 25 April 2017 | 1,021 × 4,602 (7.19 MB) | Ayane m (talk | contribs) | 230 KB file size reduction | |
10:04, 5 May 2010 | 1,021 × 4,602 (7.42 MB) | Burny (talk | contribs) | {{Information |Description={{en|1=Showing JPEG compression loss when rotating a image 90 degrees iteratively with side lengths not factors of 8. }} {{de|1=Verluste bei der JPEG-Komprimierung beim wiederholten Drehen um 90 Grad we |
You cannot overwrite this file.
File usage on Commons
The following 3 pages use this file:
File usage on other wikis
The following other wikis use this file:
- Usage on ar.wikipedia.org
- Usage on cs.wikipedia.org
- Usage on de.wikipedia.org
- Usage on en.wikipedia.org
- Usage on hu.wikipedia.org
- Usage on uk.wikipedia.org
Hidden categories: