Image Evaluation Thread
On this forum you will find discussions about whether certain images should stay or be deleted for various reasons.

If you are unsure about the quality of an image or don't think it lives up to the requirements and standards of Konachan, feel free to ask any questions you might have on this forum.

Note: The Image Evaluation Thread operates in accordance to the Image Evaluation Page and the Upload Guidelines.

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It was time to move the discussion to a new thread.

The goal: create an image evaluation/image approval guidelines page, so more users could learn about the image quality standards at Konachan before they upload.

VF nightcore and Kiho both volunteered for the job and I also like to help with the images and text. We probably need help from an admin, so a link to the approval page could be added to the Upload page.

Here a repost of Kiho's format suggestion

Please post more suggestion for the page here.
I'm working on it. I included Kiho's suggestion and made an intro. It's been written in microsoft word which makes Dtext scripting rather bothersome, so I'll leave most of that out for final editing whenever we agree on the final result O.-

Edit: Kiho seems to be more used to Dtext anyways, so I'll just focus on the content until I'm told otherwise.

2nd Edit: I added a few things, here's what it looks like so far:

2nd suggestion
Thanks alot for the text. Sorry I'm a bit late with this, but please use this page and the following list I made for the page.

This list contains most of the reasons images are deleted:
spoiler

I will provide the images later this week.
@Wires - Try to use/find images that are "just below the bar", to calibrate users to Konachan's expectations.

I recommended tagging the images so they will not get deleted, I think it would also be a good to put them in a pool and remove them from the index so they don't show up in the catalog.

Note: The link you posted to the faq: uploads is restricted to Mods/Admins
First line: This is a site policy entry. Editing restricted to Mod(s) and Admin(s) only.

SO, as not to cause any problems, let us use a temporary wiki working page: http://konachan.com/wiki/show?title=evaluating_image_quality . Then, when complete, do a copy and paste.
Using the Wiki is a good idea. I have uploaded and used old images in the list below. Could one of you two check if you could see all the images? Your feedback is also appreciated ^_^

list
Hang on, let me get myself another beer O.-

First off, these are some really good examples! Thanks for providing them. I'm sure I can come up with some decent elaborations for each example (or at least most of them) since I understood the meaning behind all of them. I'll go ahead and edit my suggestion to how it could look onto the wiki page when I'm done. I'd like Kiho's feedback as well as yours ;)

As for my case, I couldn't see the following posts:

  • post #199101 (This post was deleted. Reason: upscaled characters. MD5: 6141984cc734b02aa90ab54c9e4cd7ef)
On another note, I'd like to make sure if a post similar to the example of post #202423 would get approved or deleted? You stated it as to be deleted but I'm not sure.

Does the guidelines for the jpeg artifacts also apply for the game cg's with jpeg artifacts or will these all get deleted on sight?

What's the (visible) difference between post #193006 and post #202423? On my (1920x1080p) monitor, post # 202423 actually looks cleaner than the original png.
Thanks for checking the posts. post #197874 and post #145998 is explicit loli (nothing extreme). I guess it is better to explain using a questionable loli post like post #145816. Because if Yuuki Mikan is exposed, the teapot will appear >_<

post #199101 (upscaled characters) is undeleted now and could be compared with the individual characters in post #198592 and post #198616.

post #202423 will get deleted (not sure if on sight or not), because it is a game CG and the quality minimum with official CG artwork is stricter. If post #202423 was not a game CG it would probably be accepted and tagged with jpeg_artifacts

The png in post #193006 is definitely cleaner than the jpg. Look at my tips for finding jpg artifacts in my previous comment. When you zoom in to 200% and look at the hair, you will see the png is cleaner.

Also a tip for noticing the edge of the original image in the background extend post #200602. Look at the image from the side of your screen (when using laptop, just push the screen away from you). It would make the difference in color more visible.
Thank you, this made some more points clear to me.

I'll use post #145816 as a loli reference and try to explain the rest.

I still can't seem to find any differences, at all, between post #193006 and post #202423. On my highest-res monitor I use a software to run the screen in a split mode so that I can compare images right next to each other. But well, that's why you're the mod and I'm not :P

I'm not going to be able to finnish the whole thing today so at some point I'll upload the unfinished thing to the wiki, and continue tomorrow O.-
... It may be a bit late to mention this now, but I think it would have been better to leave the posts deleted and just link to the files. The file links would still work for everyone and they would link directly to the full size image for a proper example...
So that's what those are.... I was wondering what was with the crap qualities.

So, I can go on a flagging spree then?

  • 1. Images are disabled for a reason. They don't adhere to the image rules.
  • 2. Recovering images for another purpose renders the deletion of images null.
  • 3. Thus, all the bad images that will be posted in the future will be put into that pool (note, I get the gist of the suggestion but I don't read wall of texts)
  • 4. By not being disabled they will still be around to be seen by other users. Rules are hereby disregarded due to this.
  • 5. You can hide them from index, but you can't hide them from search unless disabled.
  • 6. Disabling means just that, rendering it as being deleted from the site, but not from the database. You can't search for it by conventional means unless you're a mod or have a direct link to the image file.
Conclusion: the pool IS a bad idea.

So, can I just go into a flagging spree???
Well, I can see your point and I don't mind using the files instead (could actually do for a better looking layout on the final interface).

I can manually go and use the links from each post Wiresetc provided us with but that'll require you to leave them be until I'm done.

Otherwise if some mod would be so kind as to personally provide me with them.

I'll be on standby for now then O.-
Also, I don't have any privileges to view disabled images.
However, I did reverse engineer post #145998 . Which, in fact should be deleted from the site, as per legal reasons.
Tensa said:
  • 3. Thus, all the bad images that will be posted in the future will be put into that pool (note, I get the gist of the suggestion but I don't read wall of texts)
You've misunderstood on that point. This pool is only for a set of static examples. Images will continue to be deleted as usual.

Of course I'm absolutely in favor of re-deleting these and just using the files.

Tensa said:
However, I did reverse engineer post #145998 . Which, in fact should be deleted from the site, as per legal reasons.
We don't currently have any legal problems with explicit loli. One of our admins even said they'd look into unblocking it.
Zolxys said:
One of our admins even said they'd look into unblocking it.
But should we?

I mean, things like the above post are fine. I just don't want to be bombarded by an influx of posts of four-year-olds (really little kids in general, male or female; even toddlers and babies in some cases) getting fucked silly, covered in semen, getting raped, etc.
We shouldn't. France has banned Sankaku Complex for their child pornography.
In other words, less traffic.

And Zolxys, I know that much. However, a static example would be alright if it did not show up in my search. As such, I move to re-delete them and give out the links to the people managing the creation of the page.
Tensa said:
I move to re-delete them and give out the links to the people managing the creation of the page.
This would be a huge help. I think perhaps the easiest way to go around this is adding the links to Wiresetc's list (so that I have a chance of knowing which links represents what posts).

list

Edit: I'll be offline for the next 5 hours O.-
Thanks Zolxys! So, is it okay to re-delete all the posts in the pool? I'll ask just to be sure.

Edit: Pool and images have been deleted. Please use the links in the text as replacement.
If it's decided that we're using direct links, I see no reason not to delete the posts now.
Sounds good to me. I'll just go ahead and use the links instead, thank you for providing them O.-
Tensa said:
We shouldn't. France has banned Sankaku Complex for their child pornography.
In other words, less traffic.

And Zolxys, I know that much. However, a static example would be alright if it did not show up in my search. As such, I move to re-delete them and give out the links to the people managing the creation of the page.
I agree with Tensa and Emmy - also, there are a lot more countries sensitive to this than just France. The US can be very puritan from time to time as well.

I don't think we need an example of loli + explicit, whether a post should be tagged loli or not is not an image quality issue but a tagging issue anyway.
Today, i am making one of my regular pillgramiges to california ~23hrs door to door. I should have some time to work on this...if i can find a plug for my laptop.
Kiho said:
Today, i am making one of my regular pillgramiges to california ~23hrs door to door. I should have some time to work on this...if i can find a plug for my laptop.
Be sure to check out the wiki (you created youself), so far I'm missing (jpg) artifacts, scans and raw scans, replacements (going from wiresetc's list of reasons for deletion). Otherwise it's looking pretty good so far.
The page is nearly complete. VF and I checked it and if other Mods/contributors have the time to check it, please do. Repost of the link to the temporary Wiki page
I posted a cleaned up copy on forum #64735
(How would you improve Konachan?) to get more eyes on it.

I did an extensive grammar cleanup and slimmed it down as it was very wordy (TL:DR).

I gave it a lighter touch as the language was a rather heavy read.

The image guide is now refocused primarily on Image quality (we had some mission creep). The image content requirements are spelled out in the upload guidelines, although I kept all the image links you provided and also included the links from the upload guidelines for prohibited images to the wikis. Most of these wikis will need a little cleanup - I will take care of that later.

It is always easier to be an editor than the writer!

If Wires and VF approve, I can move it over to the wiki page.
Kiho said:
I posted a cleaned up copy on forum #64735
(How would you improve Konachan?) to get more eyes on it.

I did an extensive grammar cleanup and slimmed it down as it was very wordy (TL:DR).

I gave it a lighter touch as the language was a rather heavy read.

The image guide is now refocused primarily on Image quality (we had some mission creep). The image content requirements are spelled out in the upload guidelines, although I kept all the image links you provided and also included the links from the upload guidelines for prohibited images to the wikis. Most of these wikis will need a little cleanup - I will take care of that later.

It is always easier to be an editor than the writer!

If Wires and VF approve, I can move it over to the wiki page.
I haven't read the whole thing yet but it looks very nice improvement to me.

I am a person who loves heavy writing and reading long texts so it's good to get feedback from someone who knows when it gets too complicated, I even tried making it as simple as possible...

The red colored headers was a suggestion from Wiresetc so I'm not sure if we should keep that idea.

Otherwise, if Wiresetc gives green light then go ahead and update the wiki O.-
It looks a lot better. VK and I both have English as a second language, so mistakes remained uncorrected. Also quite a lot of activity on the forum I missed today xD Had to finish two project before midnight today, but that's all over now.

You can go ahead and update the Wiki, Kiho. Still, I really liked the red headers. It was a nice idea to use the spoilers to add color. It also divided the text into multiple parts, making it slightly more easier to read. Is there any alternative for the headers that you know about?
The red headers do look cool - I have two concerns:
  • Users familiar with the site know that you click through red text to a spoiler - so the confusion factor, even with a disclaimer at the top. Let's face it, people don't RTFM
  • Another concern is that we will have users opening the wiki in edit mode in order to see how it was done and inadvertently making changes.
It is a shame we don't have an html mode for wiki pages, or at least Textile.
I don't really like the spoiler headers. And someone new to the site may see those and come to the conclusion that there's no point in clicking on spoilers since they only change color...

Kiho said:
  • Another concern is that we will have users opening the wiki in edit mode in order to see how it was done and inadvertently making changes.
Not an issue though. Wiki pages can be locked and we really should lock the site related wikis. And even if someone did change it, wiki's have a revision history.
Zolxys said:
I don't really like the spoiler headers. And someone new to the site may see those and come to the conclusion that there's no point in clicking on spoilers since they only change color...
I do agree on that point. It would be nice to have colored headers, but if there is no other option, I have nothing against white text.
I think these two point are contradicting each other:

If the original image is always preferred, when should one ever replace an image with one of higher quality?