Questions tagged [color]

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Is it possible to export video with 4-bit depth?

Is it possible to export video with 4-bit depth? Last few months I was trying to find at least one video format that supports 4-bit color bit depth but I didn't find any one that does that, only 8-bit ...
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5 views

How to intensify color white in a video

I'm doing a physics project and I measured the movement of some white spots on a field of wheat. Basically due to turbulence, there are spots with more intense wind and with wheat you see a white spot ...
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How can I extract a 327-color palette from a digital video?

I'm attempting to get a digital indexed palette for my own work, roughly mirroring that used in Akira (1988). The movie had a famed 327-color palette, fifty of which were created for that specific ...
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Davinci Resolve: Is there any way to have color adjustments fade in and out?

I recently recorded a little play in HLG3, and during some scenes, the highlights would get blown out for a bit. I recorded 30 min clips and was hoping there's some way to add a gradual fade-in of ...
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1 answer
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How do I get a totally consistent white tabletop background?

I'm working on a project that involves filming playing cards, and then cropping/joining different parts of the video. For a seamless result, the background of the video needs to always remain the ...
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Pixel format for editing when converting to DNXHR

I have 8-bit H264 4:2:0 source footage and usually convert it to intermediate 8-bit DNXHR 4:4:4 files for easier editing and VFX. Does it make sense to convert 4:2:0 to 4:4:4? If I convert the footage ...
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1 answer
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Authentic VHS tape effect in Premiere Pro

Summary I'm making an artwork and here's how it goes in a nutshell: A fictional movie scene that was (1) shot on film in the '60s, (2) restored in VHS format in the '80s or '90s, and (3) restored ...
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Confusion about Floating Point in Color Space Transforms

To explain my confusion I'm going to use an example with a hypothetical sensor which clips at a max 1000% scene linear reflectance and crushes blacks at 0% light (I know there is no such thing as 0% ...
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Dark lines across video

I shot a studio interview and found out, that it has these strange horizontal lines all across the frame. They are visible throughout the whole clip. Here's a closeup with enhanced contrast: I've ...
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1 answer
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Matte only over items of a specific color?

Example scenario: I have 4 boxes. Box 1 is blue, Boxes 2 & 3 are a specific color of red and Box 4 is green. I would like Box 1 (blue) to only be visible when overlapping a red box. If Box 1 ...
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same image MP4 and png color differences

I'm making a 3D animation but, parts of it need to be static. I can use png renders for that, but pang format have slightly another color than mp4's. Because of this, ther's a visible difference when ...
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2 votes
1 answer
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Applying different color keys to one layer in AE

In After Effects, I have an image layer that consists a few colors. Underneath I have several other layers (textures). I want to replace each color of the image above with one of the textures below. ...
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Should color grading be performed on raw clips, or final sequence?

Camcorders that record in .mts (.mp4) files usually split recorded files according to some maximum time limit per clip. For example, after recording straight for 30 minutes, we might find the entire ...
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3 answers
53 views

Manual white-balance for non-neutral lighting

When you put an 18% gray card under, for example, an incandescent light, it's not supposed to look neutral gray. It's supposed to look orangish-gray, like your eyes see it (because it's reflecting ...
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Changing color of numbers in stock exchange AE template with expressions

I just wondering if there a way to optimize the way of changing color of numbers in stock exchange template by using expressions? When I put the +before the number it turns green and if -,it turns red....
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Even out fluctuating exposure on old video

I'm trying to restore this old Charlie Chaplin snippet: https://imgur.com/45Fhb6O I have trouble with the exposure of the clip, it fluctuates from brighter to darker. I want the exposure have an even ...
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2 answers
452 views

Is 8 Bit 4:2:0 chroma subsampling "good enough" for chroma key?

My school bought a Panasonic 4K camcorder (which I don't remember exactly which model) pointed at a green screen and this got me thinking. If it's a HC-X1000 with it's tiny sized sensor and 8 Bit 4:2:...
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X-Rite i1Display Pro - Gives my MacBook Pro a greenish tint - What am I doing wrong?

I ordered an X-Rite i1Display Pro and was excited to see the corrections of colours of my old MacBook Pro (mid-2014). Well... I got somehow disappointed and now I cannot really trust i1Display Pro, ...
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3 votes
1 answer
844 views

How to manage colour in After Effects to get precisely a desired colour in h264 output

I am working on a video for the web only. It is going to be on a webpage (never on broadcast), delivered as an h264 file. The web page background is hex code FFF1E5 (RGB 255, 241, 229). My background ...
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3 votes
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Color correct to compensate for low blue

Everytime I create a video,it looks good in a normal screen but considering half of the people have the low blue light effect enabled, I would like to balance somehow the colors of my videos to ...
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1 answer
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YUV to RGB/sRGB color space conversion using ffmpeg

How to convert an mp4 file with YUV color space to RGB or sRGB color space using ffmpeg? I am trying to upload my video to YouTube and I read somewhere that RGB video looks better than YUV one. Thanks....
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275 views

Scale Video, Without 'ffmpeg Scaler' converting colorspace from RGBA to YUV

I have a video in RGBA space contained in MPNG codec. Which is in 4K. I need to Convert that into a 1080p File... SO i Used this - ffmpeg -i input.mkv -vcodec libx265 -vf scale=1920:1080 -sws_flags ...
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Which color space to use in camera while shooting video? RGB or YCbCr? [closed]

I want to shoot videos for my blog. Nature, landscapes, fitness. Which color space to use in camera while shooting video? RGB or YCbCr?
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2 votes
2 answers
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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 ...
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3 answers
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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 Handbrake and (hopefully) ...
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1 answer
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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 ...
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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 ...
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1 answer
3k 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 ...
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2 votes
0 answers
492 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 ...
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1 vote
1 answer
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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 ...
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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, ...
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2 votes
1 answer
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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-...
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1 vote
1 answer
534 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 ...
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1 vote
2 answers
91 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 ...
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1 vote
1 answer
82 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 ...
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5 votes
1 answer
3k 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-...
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2 votes
1 answer
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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 :) ...
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6 votes
1 answer
421 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 ...
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5 votes
1 answer
933 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, ...
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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+.
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2 votes
2 answers
308 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?
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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 ...
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1 vote
0 answers
734 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. ...
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465 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 ...
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2 answers
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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,...
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2 votes
2 answers
127 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 ...
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1 answer
472 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 ...
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1 vote
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159 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 ...
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1 vote
1 answer
3k 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....
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1 answer
2k 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 ...
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