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Questions tagged [image-filter]

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2 votes
1 answer

Best ImageMagick parameters to upscale image containing text

What are the best ImageMagick parameters to upscale an image that contains text in Latin alphabet? Take this image as example: I did some experimenting, for example: magick convert in.png -filter ...
robertspierre's user avatar
1 vote
0 answers

ffmpeg conditional filtering

i'm using ffmpeg to process a video. ideally, i'd like to apply one filter chain if the image in question is predominately a dark monochrome, and a different filter chain for other images. it seems ...
david furst's user avatar
1 vote
1 answer

Fade in from 98% Black (ffmpeg)

Is it possible to do a fade in effect with ffmpeg that fades in from 98% black? In other words, you very slightly see what is underneath the solid black at frame 0? I can use this command, but the ...
EllipticalInitial's user avatar
1 vote
1 answer

-vf pp video filter: who is correct, the developers or the documentation?

I'm using ffmpeg version n4.3.1-18-g6d886b6586 Copyright (c) 2000-2020 the FFmpeg developers and want to use autolevels on a video. According to the pp (postprocessing) filter documentation (section ...
Bart Lederman's user avatar
0 votes
1 answer

FFmpeg - how apply filters to input frames

I need to convert thousands of bitmap frames (jpeg individual files) into a video, but I also need to adjust the contrast, gamma and brightness of input frames. Those frames have some quality, but the ...
Andre's user avatar
  • 1
0 votes
1 answer

GIMP filters throwing permission denied errors

Using GIMP-2.10 on Manjaro KDE. The filters do work but throw this error whenever launched. Failed to open file “/home/*USERNAME*/.config/GIMP/2.10/filters/GimpGegl-gegl-emboss-config.settings”: open(...
MathIsNice1729's user avatar
2 votes
2 answers

Blur a selection in Gimp without bleed

I want to blur a selected area of my image using Gimp, however the standard filters sample from outside the selected pixels to calculate the new shade. e.g. Starting with the image on the left, I ...
symcbean's user avatar
  • 336
0 votes
1 answer

ffmpeg Remap Filter is not scaling for me

I'm still new to all the stack exchange sites, so if I'm not asking this in the right place, feel free to point me in the correct direction. Link to the filter I'm using:
tommy61157's user avatar
0 votes
1 answer

ffplay overlay current timestamp while playing not packaged video

I'm trying to create an overlay of the current timestamp while playing raw H.265 video with ffplay using drawtext filter. While overlay of the current frame number works fine with: ffplay -vf "...
Dimitri Podborski's user avatar
2 votes
3 answers

Can I configure Firefox to only show images when purposefully clicked on?

I do not want to see any images of full or partial nudity or other sexual content while browsing the internet. I've found things like FoxFilter or AdBlock or which can help to remove these types of ...
user avatar
1 vote
2 answers

Blurred image recovery?

I have pictures of handwritten text and some of them are blurred, because the camera was shaky. If someone could point out any techniques that I can use to bring it to readable quality would be great. ...
m0s's user avatar
  • 329
2 votes
1 answer

Photoshop "Diffuse Glow" Not working Properly

Since a last couple of days, the Diffuse Glow Filter in my Photoshop CS4 ext(x86). has been behaving oddly. Instead of filling with white glow, it now fills with 'pale blue'. I don't think I have ...
OrangeRind's user avatar