Pythonic-cv Alternatives

pythonic-cv reviews and mentions

• Play a Video on Loop, Replace Video with Photo, Then Go Back to Video
  1 project | /r/learnpython | 17 May 2023

  I did something similar in this example, where the “input” was someone covering up a webcam to switch to the next display source (in my case switching through a list of videos that would continue from where they left off).

• [pyautogui] What is faster?
  1 project | /r/learnpython | 6 Feb 2023

  If you’re wanting to continuously process your screen like a live video stream you might be interested in (my library) pythonic-cv, which supports MSS as a video input backend.

• Python Code Help - OpenCV Project
  1 project | /r/learnpython | 30 Jan 2023

  I’ve previously done something similar here, but the transition was triggered by covering a webcam (e.g. with a finger).

• Better alternative to pyautogui image recognition?
  1 project | /r/learnpython | 27 Jan 2023

  pythonic-cv (disclaimer: my library) includes MSS as an input stream option.

• [Discussion] Any other ways to find convergence of pixels by color?
  2 projects | /r/opencv | 10 Jan 2023

  If that’s of interest, OpenCV provides a detailed stitching example, although my revision is likely a fair amount easier to follow and understand (but it’s been optimised for video, so if you’re wanting to use it with minimal modification you’ll need to provide your images in a sequence where each image has overlap with the one before it, not in a random order).

• Class has a method called release instead of close. I want to use the With keyword. How do I tell python to call release instead of close
  1 project | /r/learnpython | 23 Dec 2022

  As something of a side note, you may be interested in (my library) pythonic-cv.

• Write efficient async code in computer vision programs
  1 project | /r/learnpython | 29 Apr 2022

  I wrote pythonic-cv because I found that pipelines regularly require pre and post processing that can be done in parallel across frames - you might want to take a look :-)

• Is FER just this slow or is it just me?
  1 project | /r/learnpython | 2 Apr 2022

  Likely areas for parallelisation depend on the operations that are happening - if there are independent stages then they can often be made to run at the same time in separate threads (or processes). Concurrency is similar, although more about doing something else while waiting for I/O, and can generally be solved with threads or asyncio coroutines. A common improvement for video-focused computer vision pipelines is reading in/capturing the next frame while the previous frame is being processed (e.g. like is done with pythonic-cv - disclaimer: my library), but given the frame rates you specified then that may help a bit but is likely not the main culprit. ML-based algorithms can often benefit from the inherent parallelisation of a GPU-based implementation, although that can be difficult or even impossible to achieve depending on the algorithm being used.

• Image stitching
  3 projects | /r/learnpython | 12 Mar 2022
• [Bug] After trying to send to my database my video is suddenly lagging
  1 project | /r/opencv | 6 Mar 2022

  Personally I’d approach this using pythonic-cv - it has a VideoReader class that supports separate preprocess and process functions, and has threading built in. Then again, I wrote the library, so it’s not so surprising that I’d jump to using it.

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