Questions tagged [opencv]
OpenCV (Open Source Computer Vision) is a cross-platform library of programming functions for real time computer vision.
135 questions
4 votes
1 answer
393 views
Optimizing Image Processing in OpenCV: Using cv::Mat with Reference Counting Mechanisms and C++ ref qualifiers
I have questions regarding this code: As the cv::Mat copy constructor involves only pointer copying due to the reference counting mechanism, in the ...
- 451
5 votes
1 answer
125 views
Command Line Photo Size Reduction Tool - version 3
This is the third version of the photo size reduction tool for code review. The previous reviews are Resize 200 photos quickly in C++ using opencv and Photo Reduction Tool version 2 - Possible ...
- 26.2k
6 votes
2 answers
225 views
Resize 200 photos quickly in C++ using opencv
I have about 200 photos that I need to up load to a WordPress website. When I tried up loading the second one I got an error message that the file was too wide. Apparently WordPress limits the width ...
- 26.2k
9 votes
1 answer
248 views
Movie Barcode Generator
Task I wrote a movie barcode generator in C++ using OpenCV. Self-described engineer, space lover and tea drinker Thomas Poulet defines a movie barcode as follows: A Movie Barcode is the color ...
- 151
2 votes
0 answers
60 views
Convert Image Class to OpenCV Mat Data Structure in C++
This is a follow-up question for An Updated Multi-dimensional Image Data Structure with Variadic Template Functions in C++. I am trying to build the bridge to perform the conversion between the ...
- 7,575
1 vote
1 answer
169 views
Corner detect takes long time to run
I am using OpenCV’s findchessboardcornersSB function to find the corners in the image. I am using below code/ header file: ...
7 votes
1 answer
495 views
Image stitching using SIFT keypoint descriptor and homography matrix
I have written a code to stitch 2 images using SIFT keypoint descriptor and homography matrix for perspective transform. Are there any areas where code an be improved or optimized? ...
1 vote
2 answers
540 views
Bilinear interpolation optimized using intrinsics
I have found that a bottleneck of the OpenCV application I use is the bilinear interpolation, so I have tried to optimize it. The bilinear interpolation is in 8D space, so each "color" is an ...
- 335