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34 questions

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275
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1
answer
1
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2019-05-27 05:28:59 -0600 HYPEREGO flag of Italy

inconsistent behavior about ROI calculation

174
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no
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no
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2018-09-25 08:09:29 -0600 saniket123

How to store mat in vector<Rect>

8k
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1
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2
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2018-04-15 03:44:44 -0600 berak

How to find out if rect is inside another rect ?

6k
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2
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1
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2018-04-10 04:20:41 -0600 hoang anh tuan

Center of rectangles and centroid [closed]

877
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1
answer
1
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2017-04-07 01:43:35 -0600 berak

OpenCV setroi

935
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no
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no
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2016-11-19 01:43:50 -0600 Nbb

boundingRect assertion error

637
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1
answer
no
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2016-11-07 04:28:44 -0600 berak

Unexpected Results using CopyTo Rect with UMat

19k
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1
answer
-5
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2016-08-24 18:53:04 -0600 sturkmen flag of Turkey

Finding center of Rect

811
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1
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no
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2016-06-15 20:05:17 -0600 Tetragramm flag of United States of America

How to Blur a Rect[] with OpenCV Java

3k
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no
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no
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2016-06-08 09:29:22 -0600 VanGog

Copy image using Rect() and copyTo()

1k
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1
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no
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2016-04-13 16:16:28 -0600 marcob88

Error assertion roi failed

6k
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2
answers
2
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2016-02-02 17:41:05 -0600 sturkmen flag of Turkey

Detect boxes on shelf Android OpenCV

955
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1
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no
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2015-11-07 02:16:09 -0600 LBerger

insert a frame to mat , instead of coloring the whole Mat

474
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1
answer
no
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2015-08-13 10:32:56 -0600 unxnut flag of United States of America

Creating a sub array of a Mat throws assertion error

179
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no
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2015-07-24 05:59:42 -0600 bjorn89

Speed up mosaicing using only a part

1k
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1
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no
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2015-05-08 06:35:11 -0600 locke14

How to draw thick lines with straight endings ?

168
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no
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no
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2015-04-29 04:46:46 -0600 215

Create a box the bounds them into smallest possible box.

2k
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no
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no
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2015-04-26 11:58:19 -0600 215

move a rect given a new center position to it..

8k
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1
answer
1
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2015-05-02 00:32:00 -0600 Eduardo

Percentage of overlap

7k
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1
answer
2
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2015-04-01 07:56:50 -0600 StevenPuttemans flag of Belgium

How to create a empty rect?

8k
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1
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no
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2014-10-07 09:54:39 -0600 thdrksdfthmn

Confuse with the ROI rect parameter

535
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2
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no
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2014-08-04 08:00:01 -0600 StevenPuttemans flag of Belgium

License plates

1k
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1
answer
1
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2014-07-19 12:21:48 -0600 rwong flag of United States of America

How pass Rect from Java code to Jni?

555
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no
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1
vote
2014-07-08 12:02:09 -0600 Melgor

Estimation of 4-point Polygon in Contour

32k
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2
answers
2
votes
2014-05-14 04:09:28 -0600 abir

How to cut an image in small images with opencv !!!

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