Questions tagged [color]
The color tag has no usage guidance.
67
questions
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5 views
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 ...
1
vote
1answer
90 views
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 ...
0
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1answer
17 views
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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22 views
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 ...
1
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1answer
19 views
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 ...
1
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0answers
21 views
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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0answers
121 views
Using ffmpeg to change value of pixels (pixels close to white, make pure white and pixels close to black, make pure black)
I have a segment of a video captured from a Nintendo 64 that looks like this for a couple of seconds:
and because of my capturing setup there is slight ghosting around the black text (and some other ...
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0answers
22 views
recording uncompressed or > 150000 kb/S video on a smartphone or tablet
Is it possible to record uncompressed or > 150000 kb/S video on a smartphone or tablet?
If so, how and what devices are compatible? I am able to do this with cheap logitech webcams, however the ...
2
votes
1answer
16 views
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.
...
1
vote
1answer
32 views
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 ...
1
vote
3answers
50 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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22 views
What's the better method for creating of a good black & white & alpha channel mask to use with ebsynth
I would like to know if there is a good tool to make a black & white & alpha channel mask,automatically. What I need to do is the mask that's explained exactly here :
https://www.youtube.com/...
0
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1answer
24 views
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....
0
votes
1answer
30 views
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 ...
1
vote
2answers
319 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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0answers
197 views
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, ...
3
votes
1answer
610 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 ...
3
votes
1answer
40 views
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 ...
1
vote
1answer
3k views
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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0answers
237 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 ...
0
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1answer
147 views
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?
2
votes
2answers
102 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 ...
1
vote
3answers
67 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 Handbrake and (hopefully) ...
1
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1answer
979 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
23 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
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 ...
2
votes
0answers
450 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
97 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
26 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, ...
2
votes
1answer
2k 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
524 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
70 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
81 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
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-...
2
votes
1answer
45 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
335 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
847 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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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
294 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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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 ...
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0answers
677 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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0answers
459 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
3k 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
126 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
420 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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0answers
155 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
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....
0
votes
1answer
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 ...
3
votes
2answers
4k 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 ...
2
votes
1answer
2k 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 ...
