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34 questions

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4k
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no
answers
3
votes
2013-06-14 03:23:33 -0600 zerog80 flag of Italy

Scaling a Rect

4k
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1
answer
no
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2013-08-28 17:06:18 -0600 deiaalencar

Pixels in the region of interest (ROI)

790
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1
answer
1
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2013-11-14 03:49:10 -0600 berak

How to remove detected human after DetectMultiScale?

3k
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1
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no
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2014-02-11 00:08:20 -0600 Haris flag of India

Calc a bounding box with a binarized image?

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

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

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

Estimation of 4-point Polygon in Contour

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?

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

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

Confuse with the ROI rect parameter

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?

2k
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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..

168
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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.

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

Percentage of overlap

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

How to draw thick lines with straight endings ?

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

Speed up mosaicing using only a part

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

Creating a sub array of a Mat throws assertion error

956
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1
answer
no
votes
2015-11-07 02:16:09 -0600 LBerger

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

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

Detect boxes on shelf Android OpenCV

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

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

Copy image using Rect() and copyTo()

812
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1
answer
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

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

Finding center of Rect

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

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

886
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1
answer
1
vote
2017-04-07 01:43:35 -0600 berak

OpenCV setroi

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

Center of rectangles and centroid [closed]

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