Questions - OpenCV Q&A Forum

864

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no

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2018-07-12 03:55:34 -0600 berak

How to resize stream webcam in Imageview Javafx

249

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no

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2018-07-20 05:21:13 -0600 ciolo

How to edit image to read text with OCR

1k

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1

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no

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2018-08-13 04:35:00 -0600 AlenSali

[HELP] CvException @ Dnn.forward() in Android [closed]

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]

480

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1

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no

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2018-09-29 03:35:15 -0600 ak1

How to crop only the form on this image? opencv 3.2

opencv
java

144

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no

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no

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2018-10-10 08:22:25 -0600 rem

Why after fusion my picture is dark

203

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1

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no

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2018-11-28 13:32:15 -0600 berak

How to get one-pixel value from grayscaleImage(java,Android)

124

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no

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2018-12-12 15:20:37 -0600 sturkmen

error with opencv librairies when I try a simple programm

458

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2019-01-11 02:38:35 -0600 Pascal66

H264 without ffmeg

5k

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1

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no

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2019-01-27 02:39:26 -0600 berak

(JAVA) - Raw image encoder error: Empty JPEG image (DNL not supported) in function 'cv::BaseImageEncoder::throwOnEror'

java
opencv

466

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no

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2019-01-31 06:46:10 -0600 bern_007

OpenCV Mat Java

970

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1

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2019-02-07 07:38:11 -0600 berak

How to use setTo() in JAVA

560

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1

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no

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2019-03-03 05:21:33 -0600 JacK

No SelectROI in OpenCV jar?

73

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no

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2019-03-16 17:58:34 -0600 Nabhan

RGB changing B value affects R and G as well.... How to solve?

1k

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2019-03-30 09:39:35 -0600 son

(-215:Assertion failed) inputs.size() == requiredOutputs in function 'getMemoryShapes'

266

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2019-04-11 12:05:47 -0600 ManyToLearn

opencv4android for 3d reconstruction

257

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no

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2019-05-18 13:01:26 -0600 thadaBoy

How to fix 'only black frames receiving' in Android with OpenCV

141

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2019-06-06 20:56:10 -0600 albert

Opencv java how to sort a bubble sheet TopLeftToBottomRight

1k

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2

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no

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2020-10-22 00:54:59 -0600 sohamgandhi

Video writer in java not saving

525

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2019-06-26 11:46:51 -0600 andresoares

No opencv jar file created in build/bin

287

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no

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no

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2019-08-12 09:36:25 -0600 berak

OpenCV mat.get(y,x)[0] == mat2.get(y,x)[0] returns true when false [closed]

166

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no

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2019-08-26 09:44:04 -0600 Mralaa

How to run Flash while opining camera?

8k

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3

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no

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2019-11-30 08:47:40 -0600 rtrahms

Importing OpenCV 4.X android SDK module into Android Studio

205

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2019-12-15 21:37:09 -0600 Avadhoot05

Mass center of contour is showing incorrectly in opencv java

491

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2019-12-24 14:18:38 -0600 karDilip

OpenCV Java: Iterate through all points in Line as obtained from FitLine & find distance of each point to Contour edge using pointPolygonTest - Little Help Please!

opencv
java

3k

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1

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no

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2020-01-03 07:05:22 -0600 supra56

java.lang.UnsupportedOperationException: Mat data type is not compatible: 6[SOLVED]

847

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no

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no

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2020-02-24 05:27:22 -0600 krjeev

Blob depth should be CV_32F or CV_8U

260

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no

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2020-02-25 07:25:11 -0600 Jonaskri

Upgraded from 3.4.9 to 4.2.0 and can no longer see camera view [Android]

179

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no

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no

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2020-02-28 14:44:41 -0600 ROMEL

from an image having multiple rectangles some rectangles are filled with lines an some are empty like given below in the image.i need to remove all the rectangles which are empty.Any suggestions?

446

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no

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no

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2020-03-06 03:26:55 -0600 supra56

354 questions

How to resize stream webcam in Imageview Javafx

How to edit image to read text with OCR

[HELP] CvException @ Dnn.forward() in Android [closed]

JAVA - Removing noise of processed image OPENCV [closed]

How to crop only the form on this image? opencv 3.2

Why after fusion my picture is dark

How to get one-pixel value from grayscaleImage(java,Android)

error with opencv librairies when I try a simple programm

H264 without ffmeg

(JAVA) - Raw image encoder error: Empty JPEG image (DNL not supported) in function 'cv::BaseImageEncoder::throwOnEror'

OpenCV Mat Java

How to use setTo() in JAVA

No SelectROI in OpenCV jar?

RGB changing B value affects R and G as well.... How to solve?

(-215:Assertion failed) inputs.size() == requiredOutputs in function 'getMemoryShapes'

opencv4android for 3d reconstruction

How to fix 'only black frames receiving' in Android with OpenCV

Opencv java how to sort a bubble sheet TopLeftToBottomRight

Video writer in java not saving

No opencv jar file created in build/bin

OpenCV mat.get(y,x)[0] == mat2.get(y,x)[0] returns true when false [closed]

How to run Flash while opining camera?

Importing OpenCV 4.X android SDK module into Android Studio

Mass center of contour is showing incorrectly in opencv java

OpenCV Java: Iterate through all points in Line as obtained from FitLine & find distance of each point to Contour edge using pointPolygonTest - Little Help Please!

java.lang.UnsupportedOperationException: Mat data type is not compatible: 6[SOLVED]

Blob depth should be CV_32F or CV_8U

Upgraded from 3.4.9 to 4.2.0 and can no longer see camera view [Android]

from an image having multiple rectangles some rectangles are filled with lines an some are empty like given below in the image.i need to remove all the rectangles which are empty.Any suggestions?

calling mat.copyto and mat.clone in loop causes machine to freeze in java [closed]

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