Questions - OpenCV Q&A Forum

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2017-09-13 06:19:18 -0600 Santhosh1

Will splitting an image into small blocks for processing help in extraction of edges?

imageprocessing

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1

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2017-09-14 03:50:02 -0600 berak

Any method to extract edges from a color image directly without converting it into grayscale image?

imageprocessing

17k

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1

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no

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2017-09-22 00:15:16 -0600 Santhosh1

How do I write a python code for non maxima suppression?

imageprocessing

328

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3

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1

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2017-10-12 08:22:28 -0600 mshabunin

completing characters to get their contour

148

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2017-11-07 18:46:43 -0600 ash.jo4444

Unable to train my own Haar Cascade [closed]

6k

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2

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3

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2017-11-12 10:18:56 -0600 sturkmen

Matching colors between two pictures in OpenCV?

328

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2017-11-16 07:57:46 -0600 esconda

Imshow produces many windows(c++, Visualstudio)

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2017-11-21 03:47:53 -0600 Ajay Gohel

I am making document scanner. It is detecting only edges and not corners. [closed]

2k

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1

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-1

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2017-11-28 06:18:57 -0600 Explorer_DS

how do I copy specific pixels to destination mat from source mat in opencv c++?

353

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2017-11-28 18:24:46 -0600 Tetragramm

Detecting Light Colored Objects on Black Background

174

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1

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2017-12-03 19:45:42 -0600 supra56

copy some subimages and put them on other parts of the original images

159

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1

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1

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2017-12-09 09:51:10 -0600 berak

Segmenting Map Image

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2

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2017-12-28 02:08:48 -0600 waqas-ansari

Extract Fingerprint from normal camera image

19k

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2

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1

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2018-01-09 23:04:01 -0600 Tetragramm

infrared image processing in openCV

866

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1

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no

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2018-01-27 04:37:57 -0600 Santhosh1

Remove pixels(BGR) within a certain threshold of the selected pixel(BGR)

imageprocessing

160

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2018-02-27 12:05:24 -0600 Himanshu Walia

How to increase the quality of sampled images ? and does it affect the classifiers accuracy ?

509

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2018-03-07 12:59:06 -0600 dursunsefa

How to divide an RGB image into non-overlapping blocks size X*X

145

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2018-03-15 02:27:44 -0600 DrVivek

how to get white color density in a b/w binary image using python

2k

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2018-04-26 03:11:01 -0600 Kailash

Extract text and bounding-box using OpenCV

579

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2018-05-15 10:04:00 -0600 Kamel

Curve interpolation

1k

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1

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no

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2018-05-19 06:47:42 -0600 FLY

How to find pixel per meter

1k

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2018-05-31 02:14:19 -0600 ak1

what is the unit of light intensity values in a grayscale image ?

1k

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1

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2018-06-21 04:39:33 -0600 kbarni

Applying HOG on BGR vs Applying HOG on RGB images

201

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2018-07-12 01:30:55 -0600 AF

Difficulty in detected ellipses in image

626

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1

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no

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2018-07-16 06:59:03 -0600 berak

SURF identifier not defined

10k

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2

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2018-07-19 04:26:49 -0600 kbarni

How to remove unwanted areas/pixels from image ?

72

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2018-07-22 01:44:55 -0600 [email protected]

How can implement watershed algorithm for segmentation of satellite images?

imageprocessing

155

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no

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2018-08-14 13:08:58 -0600 ahmetozlu

Segmentation of Signature

1k

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no

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no

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2018-08-28 20:40:07 -0600 brinx

JAVA - Removing noise of processed image OPENCV [closed]

364

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no

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2018-09-14 05:57:14 -0600 muglikar

145 questions

Will splitting an image into small blocks for processing help in extraction of edges?

Any method to extract edges from a color image directly without converting it into grayscale image?

How do I write a python code for non maxima suppression?

completing characters to get their contour

Unable to train my own Haar Cascade [closed]

Matching colors between two pictures in OpenCV?

Imshow produces many windows(c++, Visualstudio)

I am making document scanner. It is detecting only edges and not corners. [closed]

how do I copy specific pixels to destination mat from source mat in opencv c++?

Detecting Light Colored Objects on Black Background

copy some subimages and put them on other parts of the original images

Segmenting Map Image

Extract Fingerprint from normal camera image

infrared image processing in openCV

Remove pixels(BGR) within a certain threshold of the selected pixel(BGR)

How to increase the quality of sampled images ? and does it affect the classifiers accuracy ?

How to divide an RGB image into non-overlapping blocks size X*X

how to get white color density in a b/w binary image using python

Extract text and bounding-box using OpenCV

Curve interpolation

How to find pixel per meter

what is the unit of light intensity values in a grayscale image ?

Applying HOG on BGR vs Applying HOG on RGB images

Difficulty in detected ellipses in image

SURF identifier not defined

How to remove unwanted areas/pixels from image ?

How can implement watershed algorithm for segmentation of satellite images?

Segmentation of Signature

JAVA - Removing noise of processed image OPENCV [closed]

Predicting lux values from images? [closed]

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