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29,830 questions
Tagged
185
views
no
answers
no
votes
2020-03-22 11:54:15 -0600
andrei186
opencv/build/lib vs installation/OpenCV-3.4/lib/
lib
916
views
1
answer
no
votes
2020-03-22 12:36:11 -0600
borington
Get rid of artifacts after png resize
resize
distortion
opencvjs
png
Lanczos4
191
views
no
answers
no
votes
2020-03-23 03:00:33 -0600
sagar_007
creation of csv file for face recognition in c++
c++
opencv
726
views
1
answer
no
votes
2020-03-23 04:11:49 -0600
DanR
OpenCV 4.2 captures empty frame from TC358743 on RPi 3B+
TC358743
Raspberry
Pi
cpp
opencv
4.2
612
views
no
answers
no
votes
2020-03-23 05:01:58 -0600
micmac
Trying to match color template with cv::ximgproc::colorMatchTemplate()
Color
template
matching
641
views
1
answer
no
votes
2020-03-23 10:03:04 -0600
juanmamdp
How can i improve quality of this receipt
imageprocessing
5k
views
1
answer
no
votes
2020-03-23 10:04:57 -0600
UnicornsOnLSD
How do I install and use OpenCV on Arch Linux (C++)?
linux
c++
483
views
1
answer
no
votes
2020-03-23 10:43:27 -0600
juanmamdp
using -l in g++ command line
using
command
Line
368
views
1
answer
no
votes
2020-03-23 11:05:06 -0600
supra56
OpenCV Best way to match the spot patterns
templateMatch
SIFT
pattern-matching
xfeatures2d
feature-detection
265
views
1
answer
no
votes
2020-03-23 11:14:05 -0600
juanmamdp
Type issues
Conversion_issue
1k
views
no
answers
no
votes
2020-03-23 16:11:04 -0600
CharlesC
Build OpenCV library from source for Android [closed]
cross-compiling
opencv
for
android
on
windows
75
views
no
answers
no
votes
2020-03-23 16:16:04 -0600
gt1485a
Looking for OpenCV guru to help with Code A Life Challenge
android#opencv
IOS#OpenCV
1k
views
1
answer
no
votes
2020-03-23 17:51:04 -0600
ssokolow
Find only internal contours in JavaCV/OpenCV
findContours
javacv
contours
java
opencv
1k
views
no
answers
no
votes
2020-03-23 20:35:27 -0600
jonathanlvaldez
Input video capture ffmpeg flags (OpenCV-Python)
opencv
ffmpeg
H264
hardware
decoding
python
1k
views
no
answers
no
votes
2020-03-23 21:15:18 -0600
jonathanlvaldez
OpenCV DNN with CUDA built from source (for arch bin < 5.3)
opencv
python
CUDA
dnn
360
views
1
answer
no
votes
2020-03-24 03:30:47 -0600
berak
use module form opencv contrib in c++
opencv-contrib
358
views
no
answers
no
votes
2020-03-24 07:03:18 -0600
supra56
imread working in py but working in ipynb
ipynb
py
imread
python
vsc
1k
views
1
answer
no
votes
2020-03-24 07:28:59 -0600
supra56
how to get JPG compressed image yuv/rgb result from source image
jpg
compression
1k
views
no
answers
no
votes
2020-03-24 07:33:50 -0600
supra56
Complied from source - ubuntu/python - error librsvg-2.so.2: undefined symbol: cairo_tag_end
python
Import_Error
1k
views
no
answers
no
votes
2020-03-24 07:49:01 -0600
supra56
OpenCV 4.2.0 C++ - H264 Encoding
video#c++#opencv
5k
views
no
answers
no
votes
2020-03-24 07:51:14 -0600
supra56
Imwrite saves images as black .
opencv#python
Crop-image
image-processing
cv2.imwrite
858
views
no
answers
no
votes
2020-03-24 10:21:07 -0600
andrei186
directory structure of OpenCV
directory
structure
opencv
linux
97
views
no
answers
no
votes
2020-03-24 13:47:08 -0600
penguu
why is numpy needed in opencv [closed]
noob
explain
911
views
no
answers
no
votes
2020-03-24 22:18:24 -0600
LightningStar
module 'cv2' has no attribute 'xfeatures2d'
python
xfeatures2d
CUDA
82
views
1
answer
no
votes
2020-03-25 04:30:05 -0600
berak
Where is apk files for 4.2.0 OpenCV version
opencv4.2.0
3k
views
no
answers
no
votes
2020-03-25 06:10:20 -0600
snowmania
Meaning of rectified beforePoints for filterHomographyDecompByVisibleRefpoints()
decomposehomography
232
views
no
answers
no
votes
2020-03-25 08:19:10 -0600
Dronzer
Compiling custom cap_ffmpeg_impl.hpp
c++#opencv#ffmpeg
3k
views
no
answers
no
votes
2020-03-25 09:03:02 -0600
scanner_dev
Convert Normal Map to Displacement Map?
normal_map
384
views
no
answers
no
votes
2020-03-25 10:34:09 -0600
AaronB
Using OpenCV 3.4 and converting to use GPU (CUDA)
findNonZero
CUDA
points
450
views
no
answers
no
votes
2020-03-25 12:02:59 -0600
supra56
SolvePnPRansac always returns an identity rotation matrix
solvePnpRansac
solvePnP
pose-estimation
camerarotation
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