Questions - OpenCV Q&A Forum

115

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2019-11-06 03:13:01 -0600 lolitsgab

Grabcut outputs only what was marked as GC_FGD

901

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2019-11-12 22:07:20 -0600 jlok

How do you properly track contours?

284

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1

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2019-11-29 20:57:32 -0600 blorgggg

Structured Light Module Missing "decode" function

205

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

Mass center of contour is showing incorrectly in opencv java

496

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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

138

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2020-01-02 08:06:43 -0600 Gourav

Error while implementing the "out of focus deblur tutorial" in java

1k

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1

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2020-01-06 09:37:59 -0600 Gourav

Java (-215:Assertion failed) mv[i].size == mv[0].size && mv[i].depth() == depth in function 'cv::merge'

java
merge

443

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2020-01-09 10:22:36 -0600 aironman

Error when I try to run Hello World OpenCV sample using java and eclipse

215

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2020-01-12 05:34:37 -0600 Gourav

Difference in output of same c++ and Java function in OpenCV

Video
java

585

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2020-02-11 11:59:26 -0600 Tarcisioflima

Converting Mat to one dimensional float array for EM?

854

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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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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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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?

450

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2020-02-28 16:05:04 -0600 PressedTin

How do I make the method onCameraFrame() be called more frequently

432

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-1

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2020-03-28 10:44:17 -0600 katabolerTeufel

OpenCV 4.2 build with contrib modules java

152

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-1

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2020-04-05 13:25:52 -0600 lencls

How can i make matchtemplate with threshold (java maeven)

1k

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2020-04-13 12:28:54 -0600 dhirwinjr

How to best free up DNN and GPU resources when finished?

264

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2020-04-26 20:07:02 -0600 LiorA

Opencv 4.3.0 build Failure (gradle 6.3 fail twice)

489

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2020-05-01 03:41:04 -0600 JulesHummelink

Memory leak with openCV on android

477

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2020-05-04 22:01:39 -0600 Altheim

How to classify image of object on a game board

180

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2020-06-01 10:44:02 -0600 kamadi

issue training using lbph model

295

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2020-06-01 23:08:50 -0600 muas

I am using LBPH model yml to save images after train, how can i save images with their user-id

java
opencv

247

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2020-06-23 08:37:18 -0600 gvfbossa

OpenCV Java VS Objective C

354

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1

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2020-07-08 17:03:17 -0600 bodell

VideoCapture.read blocking Java thread in RUNNING state

200

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2020-08-03 20:22:17 -0600 pv1

How to generate libopencv_javaxxx.so files instead of dylibs on a mac?

1k

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2020-09-05 20:15:47 -0600 RainBough

Can't import OpenCV to Android Studio

482

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2020-09-18 05:14:00 -0600 sturkmen

Error org.opencv.dnn.Dnn.readNetFromCaffe

2k

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no

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2020-10-17 10:57:39 -0600 sturkmen

Convert Python Into Java / Kotlin using these operations

350

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no

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-1

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2020-11-19 12:50:56 -0600 Handa

Creating a region of interest in java

398

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no

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2020-11-23 05:31:46 -0600 Ahmed

Cut faraway objects based on depth map

java

452 questions

Grabcut outputs only what was marked as GC_FGD

How do you properly track contours?

Structured Light Module Missing "decode" function

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!

Error while implementing the "out of focus deblur tutorial" in java

Java (-215:Assertion failed) mv[i].size == mv[0].size && mv[i].depth() == depth in function 'cv::merge'

Error when I try to run Hello World OpenCV sample using java and eclipse

Difference in output of same c++ and Java function in OpenCV

Converting Mat to one dimensional float array for EM?

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?

How do I make the method onCameraFrame() be called more frequently

OpenCV 4.2 build with contrib modules java

How can i make matchtemplate with threshold (java maeven)

How to best free up DNN and GPU resources when finished?

Opencv 4.3.0 build Failure (gradle 6.3 fail twice)

Memory leak with openCV on android

How to classify image of object on a game board

issue training using lbph model

I am using LBPH model yml to save images after train, how can i save images with their user-id

OpenCV Java VS Objective C

VideoCapture.read blocking Java thread in RUNNING state

How to generate libopencv_javaxxx.so files instead of dylibs on a mac?

Can't import OpenCV to Android Studio

Error org.opencv.dnn.Dnn.readNetFromCaffe

Convert Python Into Java / Kotlin using these operations

Creating a region of interest in java

Cut faraway objects based on depth map

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