One more volume V2020C for interval 06-09.2020 in series of composite safebooru-based rips
02.2020 - 05.2020 volume V2020B
08.2019 - 01.2020 volume V2020A
11.2018 - 08.2019 volume V2019
11.2016 - 11.2018 volume V2018
and some earlier releases of BOORU-CHARS OPEN DATASET

This rips not intended to be “complete and maximum quality” but rather “representative the best of” to help users
not to loose interesting fandom, artist or even single prominent picture and get all stuff with several clicks

Sources used (priorities high to low when deduplicating):

• safebooru.org (ID 31xxxxx) letter S in archive/folder name
• yande.re (with some questionable images in separate Q-folders) letter Y
• gelbooru.com (a little bit NSFW in Q) G
• chan.sankakucomplex.com (with Q) C
• anime-pictures.net A
• konachan.com (with Q) K
• zerochan.net Z
• e-shuushuu.net E

135.364 images sorted and zipped according aspect ratio (dimensions 2 folders):

• 28.000 “wallpapers and computer screens” 3x2
• 26.299 “squares” 1x1 (+/- 20%)
• 13.427 “wide pages” 3x4
• 48.779 “artbook pages” 7x10 (+/- 4%)
• 18.859 “high pages” 1x2

and also for source and ID range, mentioned in folder/archive name.
You can browse pictures directly in archives with FastStone MaxView of something like it.

File names structure : %website% - %id% - %copyright% ~ %character% (%artist%).%ext% where

• %copyright% , %character% and %artist% may be used as filter for search in source booru
• %website% + %id% is unique and also may be used to get direct booru url

Transformations and filters:

• initially Mpixels >= 1.2, width >= 900, height >= 900
• PNG converted to JPG
• downsize to 60MPix and/or maxsize 9000 px, stripes dropped or adjusted to aspect ratio 0.4 … 2.1
• manually (yep, plenty of handjob behind this release)
  • comic and 4koma, segmented scans and overtexted covers filtered out
  • real-life photos, no-character landscapes, most of line-arts and primitive chibi thrown away
  • crops done (sometimes as per-frame splitting) when large simple or dirty background, most artbooks de-bordered
  • occationally gamma correction, denoise and other nontrivial improvements made
• carefully deduplicatied (with AntiDupl NET) along with past releases

Some meta-information (tags and some image info) included in tab delimited files V2020C_filelist.tsv and readme for them.
You can play with it using modern Excel versions or some database.