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GLBGallery images washed out colors. (CLOSED)
323Thread Activity
Foxy 3DFri, Sep 01, 2023
CurvedInsightFri, Sep 01, 2023
Foxy 3DThu, Aug 31, 2023
GhatanothoaThu, Aug 24, 2023
CosmicEnvisionsMon, Aug 21, 2023
CosmicEnvisionsMon, Aug 21, 2023
GhatanothoaMon, Aug 21, 2023
GhatanothoaMon, Aug 21, 2023
Not sure if anyone else has noticed this.
When uploading gallery images they seem all washed out colors.
I render at 3300x4200
Renderhub resizes to 18862400
I originally thought I uploaded the wrong picture. This is the only sight where the color seems off.
When uploading gallery images they seem all washed out colors.
I render at 3300x4200
Renderhub resizes to 18862400
I originally thought I uploaded the wrong picture. This is the only sight where the color seems off.
! REPORT
Renderhub resizes to 1886x2400
Forgot to put the x in.
Edit feature would be nice lol
Forgot to put the x in.
Edit feature would be nice lol
! REPORT
Foxy 3D
Admin: 58,786
Sun, Jul 23, 2023"Edit feature would be nice"
Yep... Can you please add your feedback to this thread?
https://www.renderhub.com/forum/4231/an-edit-button-for-the-forums
Hopefully, if more users bring this up, we can finally get it.
Yep... Can you please add your feedback to this thread?
https://www.renderhub.com/forum/4231/an-edit-button-for-the-forums
Hopefully, if more users bring this up, we can finally get it.
Looks like it caps at 2400 either direction. That may have something to do with it IDK.
Didn't notice that until just now TBH.
Didn't notice that until just now TBH.
! REPORT
CosmicEnvisions
Karma: 5,139
Sat, Jul 22, 2023You might be right.
Might be what they use to convert the images. The skin tones and brightness are off.
The Marie rose I posted has yellow lips they supposed to be pink lol.
Thanks for the reply MK
Might be what they use to convert the images. The skin tones and brightness are off.
The Marie rose I posted has yellow lips they supposed to be pink lol.
Thanks for the reply MK
@CosmicEnvisions - I'm not the tech person, but I do know the system is doing some some resizing / converting.
However, it shouldn't be affecting colors - we certainly wouldn't want that.
Can you please email me a few samples of your original images that have problems after uploading?
I'll download the corresponding images from your gallery here and take a look at the differences.
I will open a bug report and forward everything to our tech guy and the owner.
Please send them to support@renderhub.com - Thank you!
However, it shouldn't be affecting colors - we certainly wouldn't want that.
Can you please email me a few samples of your original images that have problems after uploading?
I'll download the corresponding images from your gallery here and take a look at the differences.
I will open a bug report and forward everything to our tech guy and the owner.
Please send them to support@renderhub.com - Thank you!
! REPORT
CosmicEnvisions
Karma: 5,139
Mon, Jul 24, 2023Thanks Foxy, I'll try to email when I get home. Might have a problem with the size of them. Might have to grab them from my DA page so there smaller MB.
Foxy 3D
Admin: 58,786
Mon, Jul 24, 2023It would be best if we could see the actual ones you uploaded.
If they're too big for an email attachment, could you upload them to Google Drive or somewhere?
If they're too big for an email attachment, could you upload them to Google Drive or somewhere?
CosmicEnvisions
Karma: 5,139
Tue, Jul 25, 2023No worries, I'll try sort something out and let you know, thanks.
Tark_Ark
Karma: 13,440
Wed, Aug 02, 2023I have the same problems. When I added the images everything was fine, but the next day I noticed that the colors had changed. The dimensions were 1909x3000. I already understood that RenderHub has size restrictions, the size is compressed and clarity is lost, but I did not expect a color change. The face turns yellow, especially the lips. What is especially unpleasant, the images for the competition are spoiled.
I wrote to technical support yesterday, although the problem has not been completely eliminated, there are nuances with the color, but the lips no longer turn yellow.
Sent an image to the email.
I wrote to technical support yesterday, although the problem has not been completely eliminated, there are nuances with the color, but the lips no longer turn yellow.
Sent an image to the email.
CosmicEnvisions
Karma: 5,139
Wed, Aug 02, 2023Same problem here Tark.
Sent emails too.
Wait and see if it can be fixed.
Thanks thought I was imagining it.
Staring at one image for days sometimes weeks you pick up on slight changes.
Sent emails too.
Wait and see if it can be fixed.
Thanks thought I was imagining it.
Staring at one image for days sometimes weeks you pick up on slight changes.
Can i ask a silly question?
here it is: "what is the point of making an image larger than 1886x2400 pixels?"
To print it I understand, but to watch on a PC screen?
here it is: "what is the point of making an image larger than 1886x2400 pixels?"
To print it I understand, but to watch on a PC screen?
! REPORT
CosmicEnvisions
Karma: 5,139
Wed, Aug 02, 2023Not a silly question.
I plan on printing some images, possibility of selling in the future. Haven't got around to printing them yet.
I personally like studying other people's work, I look at the fine details. Save and zoom. Small images can't see those details. I try to learn from it.
I've also reworked some larger images into smaller ones, I personally find it easier to see with clarity.
Takes me way long to create somethings, but I'm fine with that.
Personal preference I guess.
I see your point of view and its valid.
Not every one just views them, some study them
I plan on printing some images, possibility of selling in the future. Haven't got around to printing them yet.
I personally like studying other people's work, I look at the fine details. Save and zoom. Small images can't see those details. I try to learn from it.
I've also reworked some larger images into smaller ones, I personally find it easier to see with clarity.
Takes me way long to create somethings, but I'm fine with that.
Personal preference I guess.
I see your point of view and its valid.
Not every one just views them, some study them
MKDAWUSS
Karma: 75,902
Wed, Aug 02, 2023When an image downscales it can also help hide the fireflies and noise.
Aside from that, some of us use renders for desktop backgrounds.
Aside from that, some of us use renders for desktop backgrounds.
Okay Competition Entry Color Test.
Just gonna upload it here to see if the colors get changed.
Then rescale myself and see how that works
Just gonna upload it here to see if the colors get changed.
Then rescale myself and see how that works
! REPORT
Above was 3300x4200 Color Changed on above image
Rescaled to 2200x2800 Below
Rescaled to 2200x2800 Below
! REPORT
CosmicEnvisions
Karma: 5,139
Sat, Aug 19, 2023Color issue still persists, and drop in quality.
Looking at the saved images from here they seem warped when comparing them side by side.
Test complete.
I give up mode initiated
Looking at the saved images from here they seem warped when comparing them side by side.
Test complete.
I give up mode initiated
guy91600
Karma: 19,594
Sat, Aug 19, 2023Personally I don't really see a difference, so either it's my eyes, I haven't been 20 for a very long time, or it's the quality of my screen, like me it's not very young anymore 
CosmicEnvisions
Karma: 5,139
Sat, Aug 19, 2023These two images are the same, my original ones are different. The ones I uploaded.
It is what it is.
I think because I'm aware of it now it annoys me lol.
Your right different screens also make the renders look different.
It is what it is.
I think because I'm aware of it now it annoys me lol.
Your right different screens also make the renders look different.
Foxy 3D
Admin: 58,786
Sat, Aug 19, 2023I'm not the tech person, but I downloaded these two images to take a look at them.
I see when the system is doing whatever it does, it is saving PNG images in indexed color mode and JPG as RGB.
I come from a photography background, and I know I would never want my photographs converted to indexed color.
That might very well be what's causing these problems.
Can you try saving your original work as a JPG and upload that here to see what happens?
I see when the system is doing whatever it does, it is saving PNG images in indexed color mode and JPG as RGB.
I come from a photography background, and I know I would never want my photographs converted to indexed color.
That might very well be what's causing these problems.
Can you try saving your original work as a JPG and upload that here to see what happens?
CosmicEnvisions
Karma: 5,139
Sat, Aug 19, 2023Thanks foxy, I'll try it later or tommorow.
See if that works.
Cheers.
See if that works.
Cheers.
Color Test 400x400 PNG
Color Test 400x400 JPG
Color Test 3300x4200 PNG
Link to my Gallery
https://www.renderhub.com/gallery/29822/marie-rose
Lips should be pink
in my gallery they are yellow
Looks okay before i post.
Now ill hit that magical submit button and see what happens.
Color Test 400x400 JPG
Color Test 3300x4200 PNG
Link to my Gallery
https://www.renderhub.com/gallery/29822/marie-rose
Lips should be pink
in my gallery they are yellow
Looks okay before i post.
Now ill hit that magical submit button and see what happens.
! REPORT
CosmicEnvisions
Karma: 5,139
Sat, Aug 19, 2023Lips are normal?
I try uploading on my Gallery again and see what happens.
I'll wait until someone checks it first so they know im not crazy lol
Ill check it on my phone as well, will update soon.
Has it been fixed on renderhubs end maybe?
I try uploading on my Gallery again and see what happens.
I'll wait until someone checks it first so they know im not crazy lol
Ill check it on my phone as well, will update soon.
Has it been fixed on renderhubs end maybe?
CosmicEnvisions
Karma: 5,139
Sat, Aug 19, 2023400x400 PNG Fine on Mobile
400x400 JPG Fine on Mobile
3300x4200 PNG Yellow lips on mobile.
Still going to wait until someone can check my gallery post. Then ill try uploading to my gallery again.
Is there a different converter for mobile versions?
400x400 JPG Fine on Mobile
3300x4200 PNG Yellow lips on mobile.
Still going to wait until someone can check my gallery post. Then ill try uploading to my gallery again.
Is there a different converter for mobile versions?
It looks okay when i upload it and view the web page, but now i just realised the lips have changed color?
On the 3300x4200 PNG image after logging out and logging back in.
The smaller 400x400 ones seem fine so far.
Ill do the same and check the JPG image soon and check the mobile too.
! REPORT
Looks fine on mobile uploading the JPG image so far.
Think you might have been right @Foxy
Ill check it later on, if it works ill upload JPGs from now on.
Think you might have been right @Foxy
Ill check it later on, if it works ill upload JPGs from now on.
! REPORT
Foxy 3D
Admin: 58,786
Sun, Aug 20, 2023I just downloaded your new test images and took a look at them.
I also did some tests on my own images - PNG vs JPG.
Yep... The system is definitely processing PNG differently from JPG.
Thank you for doing that. I will forward the findings to the owner and tech people.
I also did some tests on my own images - PNG vs JPG.
Yep... The system is definitely processing PNG differently from JPG.
Thank you for doing that. I will forward the findings to the owner and tech people.
CosmicEnvisions
Karma: 5,139
Sun, Aug 20, 2023Thanks foxy.
No worries.
Couple more tests to see if there's a work around for those who want png.
Then I think that covers the testing.
Thanks for the help and lesson in colors
No worries.
Couple more tests to see if there's a work around for those who want png.
Then I think that covers the testing.
Thanks for the help and lesson in colors
I did also experience the issue yesterday. Some colors getting paler after upload and/or especially after reuploading an image. I did upload an image and recognize that the lips of the character are too pale. So I did make them pinker by changing the hue and raising the saturation in Gimp. Then I reuploaded the image and everything looked fine for the first few minutes. But then, approx. 15 minutes later, the lips of the character were pale again. I did upload the edited image again and again and it always made the lips pale again approx. 15 minutes after (re)upload. There seems to be some kind of color correction script on the server's side that runs after upload, but doesn't work correctly.
And yes, the image was a PNG when I did upload the image for the first time. But the edited version I did reupload again and again was a JPG. But it still seems to be related to PNG, because although the reuploaded file was a JPG, it keeps the PNG format after reupload. When you right click on the render in order to open it in a new browser tab or in order to download the image to your local computer, you can see that the file has still a PNG extension. So it seems that the server application not only incorrectly converts the colors, it also always converts the file format to the one of the initially uploaded image.
I could generally limit my uploads to JPG format in the future, but in some cases I need to use PNG, because especially when you have single-colored backgrounds JPG causes ugly color banding artifacts due to the limited bpc value of only 8 bits per channel. So the better solution would be to fix the issue with the color correction on the server's side.
And yes, the image was a PNG when I did upload the image for the first time. But the edited version I did reupload again and again was a JPG. But it still seems to be related to PNG, because although the reuploaded file was a JPG, it keeps the PNG format after reupload. When you right click on the render in order to open it in a new browser tab or in order to download the image to your local computer, you can see that the file has still a PNG extension. So it seems that the server application not only incorrectly converts the colors, it also always converts the file format to the one of the initially uploaded image.
I could generally limit my uploads to JPG format in the future, but in some cases I need to use PNG, because especially when you have single-colored backgrounds JPG causes ugly color banding artifacts due to the limited bpc value of only 8 bits per channel. So the better solution would be to fix the issue with the color correction on the server's side.
! REPORT
I also have the impression that the issue only occurs when reuploading an already uploaded PNG image, because I did upload another PNG image few weeks ago and the issue with the paler colors didn't occur. But I never reuploaded that image. It's still the initial upload and it looks fine.
! REPORT
CosmicEnvisions
Karma: 5,139
Sun, Aug 20, 2023I'm going to try updating my gallery post. I'll let you know how I go.
It's strange that the 400x400 png image above didn't change the lips a different color.
I'm going to resize my png image for my gallery and give that a go first, see if that's the issue as well..
Not sure if renderhub resizes your images when you upload them?
It be nice to have it fixed, there's a possibility that may never happen lol.
Will keep you updated on the tests.
Thanks for the info you provided
It's strange that the 400x400 png image above didn't change the lips a different color.
I'm going to resize my png image for my gallery and give that a go first, see if that's the issue as well..
Not sure if renderhub resizes your images when you upload them?
It be nice to have it fixed, there's a possibility that may never happen lol.
Will keep you updated on the tests.
Thanks for the info you provided
Ghatanothoa
Karma: 7,485
Mon, Aug 21, 2023No, the server didn't resize my images. Obviously my images are not large enough and don't exceed the size limit where the server starts resizing. So the issue also occurs when the server does not resize the image. But it would be nice to know if you also only face the issue when you reupload a PNG file or if you also experience the issue at first, initial upload.
@Foxy 3D
"I come from a photography background, and I know I would never want my photographs converted to indexed color."
Then please keep the server's script from doing exactly that. Perhaps this is the reason for the issue?
"I come from a photography background, and I know I would never want my photographs converted to indexed color."
Then please keep the server's script from doing exactly that. Perhaps this is the reason for the issue?
! REPORT
Foxy 3D
Admin: 58,786
Sun, Aug 20, 2023I am just an admin. I'm not one of the tech people, so I don't have any control over that.
After @CosmicEnvisions last test uploads and doing some of my own tests, it seems we have identified the cause of the problem.
I will be forwarding these findings to the owner and tech people.
After @CosmicEnvisions last test uploads and doing some of my own tests, it seems we have identified the cause of the problem.
I will be forwarding these findings to the owner and tech people.
Ghatanothoa
Karma: 7,485
Mon, Aug 21, 2023I strongly assume that it has something to do with the indexed color for PNG files. That also explain why the issue obviously only occurs when you reupload the image and not at initial upload. Because once the indexed colors are fixed, they cannot be changed anymore afterwards. That would also explain why the lips I made pinker afterwards, get pale again after reupload whereas other pink areas that were already pink at initial upload look fine.
Uploaded marie rose to my gallery again as a JPG 3300x4200
@Ghatanothoa was right
When saving the file it still is a PNG
https://www.renderhub.com/gallery/29822/marie-rose
Just going to wait a bit, log out and log back in to see if the color changes.
Looks Okay on mobile, just checked.
Lips are pink and not yellow.
ill check back later.
@Ghatanothoa was right
When saving the file it still is a PNG
https://www.renderhub.com/gallery/29822/marie-rose
Just going to wait a bit, log out and log back in to see if the color changes.
Looks Okay on mobile, just checked.
Lips are pink and not yellow.
ill check back later.
! REPORT
Failed to upload my gallery image to JPG
Lips reverted to the Yellow Color pfffft
Saving still comes up as a PNG.
oh well ill just upload new works as JPG see how that goes.
Lips reverted to the Yellow Color pfffft
Saving still comes up as a PNG.
oh well ill just upload new works as JPG see how that goes.
! REPORT
Does someone can tell if this issue is currently being solved by the techs?
! REPORT
Foxy 3D
Admin: 58,786
Thu, Aug 31, 2023Sorry, but I don't have an update on this yet. The bug report is still open.
CurvedInsightFri, Sep 01, 2023
Account Closed
(I posted this in the wrong forum lol, my bad)
I see this has been brought up, just reposting what I sent here now.
Greetings
I have a question concerning renders being down sampled when uploaded on the site, not sure if others have noticed but id assume its every image uploaded, could be wrong and its only 4K images.
Images at 4k (3840 x 2160) get down sampled to 2800x1575
Also it adds in grain, a bit of fringing, blur and what looks like banding of certain colors and saturation reduction. Which is why in my entries ive put a link to the full resolution 4K image as when you look at it, its noticeable, well at least to me.
Below I've uploaded the image and shown these mentioned issues, even the eyes are orange, meant to be red, amongst other things.
Link to image : Comparison (imgbb.com)
Its just that if a person renders a final image at gets a viewable 100% quality he or she desired for the purpose intended, then lose about 30% of that quality by uploading it on the site (resolution reduction and image degradation) its a bit semi productive to the outcome of what its meant to be and takes away hours of work tinkering to get a desired effect.
Thanks for you time
C.I
Update - I noticed something that could help find the issue, weird issue though lol..
My render (4K) when uploaded to the contest forum down samples to 2800x1575
The same render uploaded to my gallery yesterday down samples to 2400x1350 yet from what i can see, no color degradation lol.. weird
I see this has been brought up, just reposting what I sent here now.
Greetings
I have a question concerning renders being down sampled when uploaded on the site, not sure if others have noticed but id assume its every image uploaded, could be wrong and its only 4K images.
Images at 4k (3840 x 2160) get down sampled to 2800x1575
Also it adds in grain, a bit of fringing, blur and what looks like banding of certain colors and saturation reduction. Which is why in my entries ive put a link to the full resolution 4K image as when you look at it, its noticeable, well at least to me.
Below I've uploaded the image and shown these mentioned issues, even the eyes are orange, meant to be red, amongst other things.
Link to image : Comparison (imgbb.com)
Its just that if a person renders a final image at gets a viewable 100% quality he or she desired for the purpose intended, then lose about 30% of that quality by uploading it on the site (resolution reduction and image degradation) its a bit semi productive to the outcome of what its meant to be and takes away hours of work tinkering to get a desired effect.
Thanks for you time
C.I
Update - I noticed something that could help find the issue, weird issue though lol..
My render (4K) when uploaded to the contest forum down samples to 2800x1575
The same render uploaded to my gallery yesterday down samples to 2400x1350 yet from what i can see, no color degradation lol.. weird
! REPORT
Foxy 3D
Admin: 58,786
Fri, Sep 01, 2023Thanks for re-posting this over here. The coders will see it now. Hopefully, they can get these issues resolved soon.