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12,357 questions
Tagged
1k
views
no
answers
-1
votes
2019-01-28 03:40:52 -0600
yuemengrui
我在原图中裁切了一个小区域，然后在小区域中找到一个矩形，画出来，此时，我显示原图，发现它也画出了矩形区域，它是如何进行坐标对应的，我该如何获取这些坐标
图像处理
176
views
no
answers
-1
votes
2019-02-08 08:36:59 -0600
LBerger
Could I possibly count the detected object?
opencv
322
views
no
answers
no
votes
2019-02-08 09:49:09 -0600
vivekz
why the image is not showing even after coded correctly without any error???
DisplayImage
image-processing
CheckDataANDProcess
9k
views
no
answers
no
votes
2019-02-09 02:25:07 -0600
joe_jetson
Getting x,y coordinates from an object in a video
opencv
python
56
views
no
answers
-1
votes
2019-02-11 07:38:10 -0600
technophile_2507
Extract tags inside the green boundary
Extract_Text_Image
497
views
no
answers
no
votes
2019-02-12 07:43:39 -0600
TheStranjer
Something to the effect of GIMP "magic wand" tool
wand
opencv
shape
615
views
no
answers
-1
votes
2019-02-12 12:14:43 -0600
LBerger
Facing assertion error
assertionerror
CheckDataANDProcess
182
views
no
answers
no
votes
2019-02-13 10:13:30 -0600
Alpreb
Get Delayed frame in python
python
90
views
no
answers
-1
votes
2019-02-14 12:12:57 -0600
Micoffee
Image detection and comparison and return value
Imagecomparision
115
views
no
answers
-1
votes
2019-02-15 07:53:09 -0600
Design
Image comparison using opencv
match-shapes
134
views
no
answers
-1
votes
2019-02-21 06:23:47 -0600
Felix92
python: "read out" the contrast of a JPG image
opencv
python
contrast
56
views
no
answers
-1
votes
2019-02-19 10:42:56 -0600
dkmurthy
How to identify if an object is placed correctly in a groove or not
opencv
python
715
views
no
answers
no
votes
2019-02-25 04:46:49 -0600
krpa
How to store points cordinats
centerline
1k
views
no
answers
-1
votes
2019-02-25 13:31:43 -0600
berak
Measuring the speed of an object with variable distance from camera
speedcalculation
432
views
no
answers
-1
votes
2019-02-26 09:05:33 -0600
supra56
One face can not be detected in an image with six faces
Facedetection
java
175
views
no
answers
-1
votes
2019-03-01 03:24:28 -0600
berak
Pycharm couldn't load DLL file
opencv
python
123
views
no
answers
no
votes
2019-03-02 19:38:35 -0600
tham
Possible solutoin for marker-less wrist augmented reality
augmentedReality
2k
views
no
answers
no
votes
2019-03-03 12:27:40 -0600
means-to-meaning
Reading captured video data using OpenCV in real-time
realtime
CaptureVideo
374
views
no
answers
-1
votes
2019-03-03 23:36:50 -0600
manuel
installing openCV on mac fail: fatal error: 'tesseract/baseapi.h' file not found
macos
320
views
no
answers
-1
votes
2019-03-05 14:28:55 -0600
RayT
Best direction for building a custom object detector for a badminton Shuttlecock
opencv
python
object_recognition
objectdetection
445
views
no
answers
-1
votes
2019-03-13 04:03:28 -0600
viohh
decomposeHomographyMat isn't working
c++
opencv
homography
decomposehomography
6k
views
no
answers
no
votes
2019-03-13 13:46:54 -0600
Bill Quesy
Imshow MultiThreading
imshow
246
views
no
answers
no
votes
2019-03-17 20:50:00 -0600
supra56
how to solve this error error: C:\build\2_4_winpack-bindings-win32-vc14-static\opencv\modules\imgproc\src\color.cpp:3783: error: (-215) scn == 3 || scn == 4 in function cv::cvtColor
python
CheckDataANDProcess
146
views
no
answers
no
votes
2019-03-20 06:13:02 -0600
prb
how to get better human silhouettes from a video?
opencv
image_processing
971
views
no
answers
-1
votes
2019-03-21 06:35:55 -0600
shariq_azim
How to measure distance of object (in image) with openCV.js
OpenCV.js
351
views
no
answers
no
votes
2019-03-22 15:52:29 -0600
zAsdf
How to measure a pixel's color every frame of a video?
pixel
Video
python
openvc
164
views
no
answers
no
votes
2019-03-24 20:34:04 -0600
PraveenRG
I had tried to build opencv source file but it it shows the errors as given in scheenshot
opencvbuild
297
views
no
answers
-1
votes
2019-03-25 23:35:33 -0600
Arnab190201
Code for crack detection on tracks
c++
opencv
image-processing
crackdeection
69
views
no
answers
-1
votes
2019-04-04 08:55:28 -0600
Der Luftmensch
Error using calculLut and/or getMinMaxHistogram
deleted-sample1
434
views
no
answers
-1
votes
2019-04-23 16:45:39 -0600
sazr
Calculate median/mode but ignore black colour
python
masking
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