Questions tagged [color]
The color tag has no usage guidance.
48
questions
2
votes
2answers
30 views
Why a color grading suite needs high CRI lamps?
I'm building a color correction suite. Among the requirements, I read that it needs to be lit using 6500K lamps with CRI 90 or higher. Which are pretty hard to find in my location.
I totally ...
0
votes
3answers
20 views
How to clean up old animated footage?
Recently I ripped a couple of old DVD's to preserve them.
The original rip has a resolution of 720*576 and runs with 5100kb/s on 25fps interlaced.
I tinkered around with Handbreak and (hopefully) ...
1
vote
1answer
264 views
Export Frames of 10 BPC Video File with ffmpeg
I have several hundred 1080p 59.94fps 10-bit-per-channel (bpc) AVC-Intra Class 100 MXF encoded video files. I would like to extract the frames of this video file and export them to disk in a 16-bit ...
0
votes
1answer
19 views
Why would an ENG camera need 422 Chroma?
I can't believe it! 3CCD camcorders without the rolling shutter inferiority of the CMOS ones still exist and their sensors are even bigger!
But why does that particular camera have 422 chroma? How a ...
0
votes
1answer
347 views
What is the file size difference between 8 bit and 10 bit raw video?
How much color information does a 8 bit pixel need compared to an 10 bit pixel? What is the difference. As an example how much file size would an single 640x480 frame take if had 10 bit color instead ...
0
votes
0answers
15 views
What would be size of an human vision color space?
10 Bit HDR is becoming a standard these days with H265 Blu Rays.
But what if we decide to make CIE 1931 or CIELAB video?
How much data is needed to register a colour in CIELAB? How much computing ...
0
votes
0answers
5 views
Do I really need flat/log profile when I want just slightly change colors to orange&teal?
question bothers me so long
Have camera, GoPro/Smartphone, both record log/flat profiles. I don't want to dig too much deeply into colors, but I love to have a bit different color than "regular" ...
1
vote
0answers
152 views
Chrome renders WebM Video “darker” than other browsers / media players
Not sure if this is the correct community, but I have a question about video encoding and decoding.
I have a video that gets served in MP4 or WebM formats, depending on browser support. I noticed ...
1
vote
1answer
35 views
Difference between 10bit 4:2:2 and 10bit display panels
I'm a bit confused regarding color in bits.
I know of two color "types":
Many more expansive displays offer 10-bit panels with 1 billion, instead of 16 million different colors.
Better video cameras ...
1
vote
0answers
24 views
What makes the colours in UHD demo footage so vibrant?
Whatever display you watch 4k and 8k demo footage on (I'm watching it in 1080p), the colours are so much more vibrant and engaging than 4k footage shot on phones, filmed for and shown on broadcast TV, ...
1
vote
1answer
831 views
How to read 10-bit RGB values from HDR video?
I had a HDR video and the format is ProRes. The colour bit depth of ProRes is 10-bit. I would like to extract the 10-bit RGB values from the HDR video.
As per this link, I have first converted the 10-...
1
vote
1answer
330 views
Loss of Colour Detail After Premiere Pro Render
I've been struggling with this issue for a while now as I record and upload video game footage onto YouTube. I record using OBS Studio then usually edit/render the video in Premiere Pro before ...
1
vote
2answers
31 views
Histogram measurement in single spot
I have a video that I shot for scientific purposes. I would like to measure the colour information in a single spot and export for example the RGB or CMYK values of that spot through every frame into ...
1
vote
1answer
60 views
Is wide-gamut video primarily an increase in saturation (for the layperson)?
Moving from SRGB to P3 and soon Rec2020 for most consumer devices... perceptually, is this just an increase in saturation?
I understand the chromaticity diagrams, and there is of course hue expansion ...
5
votes
1answer
1k views
Leaving white balance for post-processing. Is it a bad idea?
I am new to video. I have a HandyCam (CX405). I don't like trusting in the auto-white balance because it is variable and unpredictable, but changing manually between indoor/outdoor or doing re-...
2
votes
1answer
44 views
How to post-process an image to turn trees blue and a face yellow?
I'm wondering what effect makes the woods so blue and the skin so yellow.
I think it's quite a common and trendy effect.
If somebody knows what is there changed, it would be nice to tell me :)
...
6
votes
1answer
127 views
Why are there so many color spaces available?
Whatever you are exporting, photo or video, you can choose between an enormous amount of color spaces. sRGB, Adobe RGB 98, Apple RGB, and many more. But why there so many different color spaces? Do ...
5
votes
1answer
457 views
What is the colour range of most videos?
Colour range (Limited, Expanded) is something I've only thought of recently, and I'm worried I may have introduced colour banding into some of my videos.
When doing a standard MP4 export from ffmpeg, ...
0
votes
0answers
7 views
Odd color split on Carnival light video
Don't know what is going on. This is a screenshot of a carnival ride and there seems to be color on the top and bottom of the video but not in the middle? I'm using an S8+.
2
votes
2answers
59 views
Software used for Film Colourization
Recently watched this video showing colour restoration of a Black & White film. Which software did they use for this purpose? Any guess?
1
vote
0answers
28 views
How can a more dynamic look of graphics be achieved in Flash CS 5.5?
I have two graphics each moving on a separate guide (path) on the main timeline. Both graphics have their own timelines with multiple layers of other graphics which are animated further to perform ...
1
vote
0answers
278 views
The videos I uploaded to a Facebook canvas are discolored. Any thoughts on why?
I built a Facebook canvas advertisementwith a mixture of image, video, and carousel elements. When you first load the canvas element, the video elements match the other imagery used in the ad well. ...
1
vote
0answers
406 views
Color shift uploading to Youtube
I have an animation i After Effects (1920x1080, 25fps, Color working space sRGB 1966) with Illustrator doc in sRGB. The colors are correct when playing in project and also when exported and playing in ...
1
vote
2answers
2k views
Premiere Pro CS6: how to change color of a clip as time progresses?
I am trying out a few things for PPro, since I'm new to it (coming from Camtasia Studio 8) and I'm wondering, since a lot can be done, is it possible to not have the clip with a black and white effect,...
2
votes
2answers
114 views
Why is YouTube and VLC making a slight but noticeable mess of my video background?
Retitling and reediting, after a few tips from Mulvya.
I've got a div on my blog, with background color set to #83d3c9.
Yesterday I tried creating a video on AE where the background was set to ...
0
votes
1answer
228 views
How to give different colors to duplicate composition in after effects?
So, I have this composition with an animated letter. Each letter is a different composition. To save me some work I duplicate the repeating letters. However I want to change the colour of one letter ...
1
vote
0answers
135 views
Quicktime PNG codecs turn blue on most recent Premiere Pro CC update
I recently updated my copy of Premiere CC to 2015.4, and many of my downloaded effects overlay videos turned blue. (Attached is a blood spray effect). These were all downloaded from the website ...
1
vote
1answer
1k views
How to change every black pixel to a special color?
I want to extract all video frames as images and change every black (pure black) pixel of the images to a special color. (R=3,G=3,B=3)
I used this command to extract video frames :
ffmpeg -I myVideo....
0
votes
1answer
514 views
What is the difference between RGB and RGB + Alpha?
I know what is Alpha channel but when I rendered a motion logo using RGB and RGB + Alpha in After Effects, I didn't see any difference. So what's the basic difference between them and how to decide ...
3
votes
1answer
3k views
How can I generate a color-correct h264/MP4 from a DPX sequence using ffmpeg?
We are converting a sequence of DPX files into an MP4. When the artist uses Adobe Media Encoder CC to generate the video, the colors match the original DPX. When we use ffmpeg, the video has a reddish ...
1
vote
1answer
1k views
Dark Video/Gama Shift from Davinci Resolve to YouTube
I've asked a version of this question before, and found a workaround solution that worked for a while. But now I'm at a point that I'd like to find a real answer to my problem.
So I edit and color my ...
2
votes
3answers
49 views
Graphics card and video codecs: are colors stored in a linear scale?
Is this saying correct ?
The graphics card and most video codecs store colors in a linear scale.
0
votes
2answers
1k views
Premiere Pro CC export produces dark, muddied video
I've dug around numerous forums and have had no success finding a solution to my issue - .mp4 files color corrected in Premiere and exported in H.264 end up being unacceptably dark, the colors crushed....
1
vote
1answer
1k views
Color is being processed strangely after uploading to YouTube
After uploading to YouTube, the green in my video is being processed with a weird tint (like a sea foam green). In the image below, I'm hoping for the blueish/green color on the left, but that color ...
1
vote
1answer
797 views
Convert sRGB color to linear Color Space
Just wondering if there is a simple and fast way to convert a specific color from my Illustrator layout file (#e3000b) to a linear Color Space.
I am working in After Effects in a linear color space. ...
0
votes
1answer
84 views
exporting video from flash for html5 video changes colors
I'm exporting video from Flash CC 2015 to video - it renders a quicktime (.mov) file which seems to retain the quality and color palette of my original flash file, but then when I use adobe media ...
3
votes
2answers
2k views
ffmpeg bgr vs rgb and other similiar pixel formats
I was wondering about the difference between rgb and bgr pixel formats available in many codecs.
It reminds me in some way the Big Endian and Little Endian flavours of computer processors.
While I ...
4
votes
2answers
3k views
ffmpeg: white padding is light grey but not white
I want to generate 16:9 thumbnails from videos with white padding but the resulting picture has grey padding instead of white. This is the command line (input here is a jpg but the effect is the same ...
2
votes
1answer
237 views
How to color grade gold
Whenever I take videos in churches/ temples with little light and a lot of gold, the gold looks kind of greenish brown on the final video.
As gold is not a colour in RGB, I have difficulties to find ...
2
votes
1answer
251 views
How to make this auto-filling text and logo animation?
I found this great video on youtube:
and I just love this text animation at the beginning.
I mean that one which start like black and auto filling itself with white ...
2
votes
2answers
4k views
How to reproduce this rainbow color feedback effect in After Effects?
I'm trying to reproduce this "color feedback" effect that was popular in the 80's (thanks to the Scanimate) :
This one is from the song "Earth, Wind and Fire - Let's groove"
Basically it work like ...
4
votes
2answers
4k views
Colors look different after export
Colors look great in FCPX.
After I export (Share > Master file > H.264 Quicktime) they look a bit dull: desaturated, less vibrant. Also sort of like the wrong gamma curve - shadows are darker.
I ...
4
votes
2answers
668 views
Relationship between bit depth and dynamic range?
Is there a direct relationship between higher video bit depth (10-bit vs 8-bit, for example) and higher dynamic range, i.e. HDR?
I'm somewhat confused regarding this particular aspect of bit depth. I ...
3
votes
1answer
582 views
Color calibration with a color chart
Even if I set up a custom white balance in my software (with the traditional way to do it, using a grey card or white balance card, etc.), sometimes the colors are not exactly like I would like.
I ...
0
votes
1answer
142 views
Is 4K good enough to choose for special footage such as weddings?
Resolution is obviously better in 4K but can anyone give some insight as to whether other factors of video quality are being compromised? If so, does it make sense to record in 1080?
1
vote
3answers
697 views
Is there a program that can change monitor color temperature for lighting?
I'm shooting a scene for a film where the actor will be placed in front of a computer monitor. I want to use the monitor to light the actor, but I want to be able to adjust the color temperature to ...
3
votes
1answer
166 views
why movie video is different from other videos (sports, news, or other)
I'm not a video producer or anything but I always noticed the different
of the image from a movie vs a regular video.
I'm curious, re they shot on different camera types or it's just post-production ...
6
votes
1answer
1k views
Downsampling 4K footage for an increase in chroma sub-sampling
We have a Lumix GH-4 camera, which can shoot in 4K with 4:2:2 color space.
I'd like to be able to convert the footage to 1080p 4:4:4 color space.
I've read that there some ways of doing this:
http://...
