Questions tagged [color]

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1answer
93 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 ...
4
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2answers
5k 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 ...
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0answers
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 ...
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
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1answer
18 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% ...
1
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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
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
981 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
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1answer
2k 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
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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
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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
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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 ...
3
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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 ...
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0answers
22 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
122 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 ...
0
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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
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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
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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 ...
0
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0answers
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/...
1
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2answers
324 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:...
0
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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 ...
0
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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 ...
5
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3answers
7k 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 ...
1
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3answers
68 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) ...
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0answers
198 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
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1answer
620 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 ...
0
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0answers
238 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 ...
3
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1answer
41 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 ...
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
103 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
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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
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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 ...
2
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0answers
452 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
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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
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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
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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 ...
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-...
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 :) ...
1
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2answers
72 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
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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 ...
3
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1answer
178 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 ...
5
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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-...
6
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1answer
337 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
848 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, ...
2
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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
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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+.
0
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2answers
3k 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....
2
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2answers
296 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
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
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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 ...