I use exiftool to check two images, but it doesn’t say whether the image is transparent. How can I check that then? Thanks. Examples are a PBM image and a PPM image $ exiftool test-001-001.pbm ExifTool Version Number : 8.60 File Name : test-001-001.pbm Directory : . File Size : 121 kB File Modification Date/Time … Read more
When I open an RAW file of my Canon G16 camera (.cr2 suffix) with digiKam 3.5.0, the colors are wrong and there are black margins. What settings must be done in digiKam to process the file or does digiCam not support Canon? RawTherapee 4.2 works fine, but I want to use digiKam. Answer digikam 3.5 … Read more
I need an application I can use to compress pictures without losing the quality. I’ve heard about Trimage and GIMP. Answer png is the way to go. In very specific cases, you get a better lossless compression by saving the file as a bmp and then compressing it using 7zip, but this makes it impossible … Read more
I have been looking for an image editing program with a extremely convenient feature from Microsoft Paint. MS Paint allows you to hold the right mouse button while erasing over a region to erase ONLY the selected color and not affect any other color: Are there any other programs that have this or a very … Read more
I noticed on many platforms (including Windows and Android) Firefox loads images blurry at first (especially when viewing google images). How can this be changed? I’d prefer nothing to be loaded at all and that a clear image all at once, or the image to be loaded from the top down or something like that. … Read more
I have got a shot of our successful performance, but we were shocked at how noisy and how low the exposure of the video is. It is hard for us to re-shot for some reason. So I plan to recover it, but from the screencast in Blender you can see the situation, I tried to … Read more
I’ve created a macro (based on different ones I’ve seen) that analyses particles areas in my picture, automatically copies the Area column in the results window to my clipboard and displays a window asking if I want to close every windows. I would like to know if it is possible to apply this macro to … Read more
I wanted to overlay images on my video but no impact to any audio. My video is of length 01:32:34 and my below script continue running from 3 hrs and then I closed it. Looks some issue. Please can you advise. ffmpeg -i D:/ffmpeg_output/Library/2020/11/21/test_video.mp4 -i D:/uploads/Image1.jpg -i D:/uploads/Image2.jpg -filter_complex “[0][1]overlay=x=0:y=0:enable=’between(t,2238.716831,2238.716831)'[v1]; [v1][2]overlay=x=0:y=0:enable=’between(t,2238.716831,2471.229935)'[v2]” -map “[v2]” -map 0:a … Read more
Is it possible to crop an svg on the command line and re-save the file? I’ve looked into rsvg-convert and thought a combination of the options (specifically zoom, width and height) could achieve the result but it doesn’t seem to do what I want. Can rsvg-convert or any other command line tool do this? Thanks … Read more
I try to use or create a software to record the last n minutes from a webcam. I use opencv to grab images from my webcam but I don’t know if it is the best way to create a in real time a video. I want to continiously record the data and then when the … Read more
