r/opencv is a subreddit with 21k members. The most common kinds of discussions are advice requests and solution requests, and the community frequently discusses question, opencv, project, image, and camera.
For I was blind but now Itseez
Popular Themes in r/opencv
#1
Advice Requests
: "[Question]: How can I detect the lighter in color white border on the right of each image found in the strip of images? there is variable in the placement of the white stripes because the width of each individual image can change from image strip to image strip"
4 posts
#2
Solution Requests
: "[Question] Best approach for blurring faces and license plates in AWS Lambda?"
1 post
Popular Topics in r/opencv
#1
Question
: "How would you detect a shiny object from a cluster [Question]"
99 posts
#2
Opencv
: "[Question] Has anyone here made a successful addition to Opencv contrib?"
74 posts
#3
Project
52 posts
#4
Image
19 posts
#5
Camera
14 posts
#6
Tutorials
: "[Tutorials] Video Object Detection in Java with OpenCV + YOLO11 - full end-to-end tutorial"
13 posts
#7
Tutorial
: "[Tutorials] How to install Open CV Contrib files to my IDE (VS 2022)"
13 posts
#8
Detection
13 posts
#9
Discussion
10 posts
#10
Video
: "[Tutorials] Video Object Detection in Java with OpenCV + YOLO11 - full end-to-end tutorial"
8 posts
Flair Used in r/opencv
#1
Project
: "[Project] YOLO + SAM annotation pipeline on CPU (offline, legacy hardware) seeking feedback"
62 posts
#2
Question
: "[Question] - Is it feasible to automatically detect and crop book spines from a bookshelf photo and normalize their rotation?"
36 posts
#3
Tutorials
: "[Tutorials] Video Object Detection in Java with OpenCV + YOLO11 - full end-to-end tutorial"
12 posts
#4
Discussion
: "[Discussion] Built OpenCV from source with CUDA support for a project — here's what I ran into"
8 posts
#5
Bug
: "[Bug] Segmentation fault when opening or instantiating cv::VideoWriter"
4 posts
#6
News
: "[News] Attend The OpenCV-SID Conference On Computer Vision & AI This May 4th"
2 posts
#7
Blog
: "[Blog] Review and suggest better approaches of blurring faces"
2 posts
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Yearly
+2k members(13.6%)
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Last updated: June 28, 2026