Questions - OpenCV Q&A Forum

318

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2017-05-26 07:55:13 -0600 jordiCP

Build Opencv320 for android with NEON works but app crashes at start

965

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2014-08-03 13:46:54 -0600 Kozuch

Meaning of perspective transformation matrix (Q) values

495

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2016-12-18 15:14:21 -0600 Tetragramm

Analyse image from a video/avc (h264) Android

473

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2014-08-07 21:57:24 -0600 bacherak

Opencv - java - with camera that sends video on wifi

videocapture

1k

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no

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2018-05-16 12:48:44 -0600 ImageCounter

Android OpenCV 3.4.1 DNN tutorial broken

675

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2018-07-12 10:16:33 -0600 berak

failing cmake configure for opencv on Jetson TX2

162

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2017-07-22 04:47:05 -0600 linengmiao

Explanation for stitching parameters needed

1k

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2020-07-01 09:35:11 -0600 bkkuan

warning: field of class type without a DLL interface used in a class with a DLL interface

opencv

104

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2015-08-09 08:14:03 -0600 Detect two Objects in contact

Detect two objects in contact

442

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2018-11-27 09:01:13 -0600 es

Why are large kernels on CUDA slower than on CPU?

805

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2015-03-18 02:06:41 -0600 AuroraBlaze

Connecting to wifi camera on android using opencv

895

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2017-05-30 17:03:50 -0600 jfrod

Configuring CMake for OpenCV Ubuntu 16.04

cmake-error

367

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2016-06-30 03:16:33 -0600 Finfa811

Feature descriptor resistant to barrel distortion?

496

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2020-08-05 23:03:35 -0600 supra56

Is it possible to use tee in gstreamer pipeline inside VideoCapture() API?

1#opencv#c++

1k

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2016-08-23 20:01:38 -0600 don-prog

the clang compiler does not support '-mfpu=neon-fp16' on the opencv build stage

ios
OSX

77

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2018-12-10 01:29:06 -0600 SunXuan

All image pixel values become 205 after setting CAP_PROP_FRAME_WIDTH and CAP_PROP_FRAME_HEIGHT in OpenCV using webcam

c++#webcam

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1

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2015-11-21 08:29:45 -0600 Mr.Karimi.D

How to make this picture more clear?

1k

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2015-08-07 15:45:45 -0600 FooBar

Detect laser on shooting target

126

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2014-06-27 00:55:42 -0600 aid_daniel

how to use gen_java.py for android to generator jni files like imgproc.cpp

gen_java.py

290

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2016-05-17 13:53:40 -0600 patri

ORB/BruteForce-drawing matches when there are none

487

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2017-12-29 06:27:22 -0600 demonferrari

Moving the opencv window on top Qt(c++) dialogs/widgets

opencv
qt

247

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2018-10-25 02:56:13 -0600 carsanbu

HoughLines with theta greater than PI

1k

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2020-09-21 03:19:25 -0600 alf0815

findChessboardCornersSB irregular behavior

446

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2014-04-02 06:59:44 -0600 Amar

Disparity map example in Java

268

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2019-05-22 13:35:50 -0600 Jaques

calculate Z from two images possible?

163

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2014-10-03 16:26:52 -0600 sheldon

How to build Opencv 3 alpha with cmake

alpha

319

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2016-04-20 15:35:48 -0600 Mathieu Barnachon

OpenCV tutorial project on Github ?

139

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2016-09-25 03:57:23 -0600 spacegoing

Need suggestion for running modified source code

modules

74

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2015-08-19 02:47:22 -0600 Saghir A. Khatri

porting a statement from C++ to Java

255

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no

answers

-1

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2013-10-18 16:09:26 -0600 joeish80829

Can I use cvUseOptimized with normal OpenCV or do I have to have IPP loaded

#opencv
C

12,357 questions

Build Opencv320 for android with NEON works but app crashes at start

Meaning of perspective transformation matrix (Q) values

Analyse image from a video/avc (h264) Android

Opencv - java - with camera that sends video on wifi

Android OpenCV 3.4.1 DNN tutorial broken

failing cmake configure for opencv on Jetson TX2

Explanation for stitching parameters needed

warning: field of class type without a DLL interface used in a class with a DLL interface

Detect two objects in contact

Why are large kernels on CUDA slower than on CPU?

Connecting to wifi camera on android using opencv

Configuring CMake for OpenCV Ubuntu 16.04

Feature descriptor resistant to barrel distortion?

Is it possible to use tee in gstreamer pipeline inside VideoCapture() API?

the clang compiler does not support '-mfpu=neon-fp16' on the opencv build stage

All image pixel values become 205 after setting CAP_PROP_FRAME_WIDTH and CAP_PROP_FRAME_HEIGHT in OpenCV using webcam

How to make this picture more clear?

Detect laser on shooting target

how to use gen_java.py for android to generator jni files like imgproc.cpp

ORB/BruteForce-drawing matches when there are none

Moving the opencv window on top Qt(c++) dialogs/widgets

HoughLines with theta greater than PI

findChessboardCornersSB irregular behavior

Disparity map example in Java

calculate Z from two images possible?

How to build Opencv 3 alpha with cmake

OpenCV tutorial project on Github ?

Need suggestion for running modified source code

porting a statement from C++ to Java

Can I use cvUseOptimized with normal OpenCV or do I have to have IPP loaded

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