I am interested in having my desktop background automatically change every day. Perhaps taking the “picture of the day” from some website. Is this something I could do with a Python script? I can code pretty well but I only really do numerical work, so I’m just looking for an overview of the…
Tag: image
How to run a dockerfile?
Found a dockerfile that want to create image and run: https://gist.github.com/matsuu/d5b4e83b3d591441f01b7be2ede774e2 Stored it in a new folder as centos-redhat-8-beta.dockerfile on my computer and tried: What is exact command that need to run? Answer Dockerfile is not an extension, per default the file shoul…
Can’t create image of linux vm in azure – generalizing erases my work
I’m obviously missing something VERY basic in my logic. Can someone help. My problem: I create a Linux VM in Azure through the Azure CLI. I ssh in, and provision my VM with the packages/programs I want (i.e. downloading Anaconda, Keras, etc.) PROBLEM – When I follow steps to capture an image (AZ_c…
Discard images from a group of similar images
I am generating images (thumbnails) from a video every 3 seconds. Now I need to discard/remove all the similar images. Is there a way I could this? I generate thumbnails using FFMPEG. I read about various image-diff solutions like given in this SO post, but I do not want to do this manually. How and what para…
Why would this image threshold work in windows but not mono / linux?
I have a relatively simple threshold function that’s using unsafe code. This works a treat in Windows, however, in Mono on linux, no thresholding takes place. It’s difficult to debug as it’s on Linux only, I’ve checked the bitsPerPixel is correct along with the height h, width w and st…
Image upload using curl
I want to upload image to remote site using curl cli version, i browse several pages here, but not able to solve my problem. I log http header in firefox while uploading image: Answer The basic curlsyntax would be curl -F “image=@/yourPath/yourImageFile.jpg” ‘https://www.site.xxx/upload_pr…
Bash – Insert number variables into command
I’ve been wanting to have a count-up timer overlaying a video but all I could find online for doing so was using Adobe After Effects which isn’t really an option as I’m on Linux and am unwilling to pay for it. So, if I could get a series of images or a video, then it could be imported into O…
Use terminal to display image without losing focus
I have a bash-script in which I want to display an image to the user. This is possible using ImageMagick’s display. But now the focus of the terminal window is lost, and is placed to the image. To continue my bash-script I have to ask the user to click on the terminal before continuing. This is unwanted…
How to count the number of black and white pixels (linux, imagemagik, etc)
I have black and white images (see below). How count white and black pixels (as example 30% black and 70% white, or 123456 black pixels and 39393 white pixels)? p.s. I work in linux, what i must use? imagemagick? i prefer a command line interface program. Answer You can use ImageMagick’s histogram funct…
How to base64 encode image in linux bash / shell
I’m trying to base64 encode an image in a shell script and put it into variable: I’ve also tried something like this: but still with no success. I want to do something like this: I found this http://www.zzzxo.com/q/answers-bash-base64-encode-script-not-encoding-right-12290484.html but still have h…