Questions - OpenCV Q&A Forum

16k

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2

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2020-02-10 10:11:00 -0600 Agustin

How to crop rectangles from a image with opencv

1k

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2020-01-22 08:33:01 -0600 LangdalePikes

Where should I use OpenCV LBPHFaceRecognizer parameters [closed]

346

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2020-01-22 04:31:49 -0600 Tonifds

Single shot structured light

3dreconstruction

216

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2020-01-22 03:33:28 -0600 neo_nedo

How to make measure distance between 2 objects with Open CV and camera Hayear ?

151

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2020-01-22 02:46:35 -0600 Periklis

VideoCapture with VideoCapture.Api.Images fails: OPENCV_HAVE_FILESYSTEM_SUPPORT is set to “FALSE” on iOS

902

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1

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2020-01-22 04:07:55 -0600 mvuori

How can an undistorted image have the same resolution as the original?

calibrateCamera

343

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1

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no

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2020-01-24 20:52:56 -0600 supra56

[SOLVED]use knnSearch, terminate called after throwing an instance of 'cvflann::anyimpl::bad_any_cast' [closed]

knnsearch

269

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1

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2

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2020-01-24 02:51:19 -0600 ganesh-k13

How to trigger tests in misc/python/test

267

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2020-01-21 05:18:43 -0600 smoki3

Cascade Classifier Circle Detection [closed]

circle
xml

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2020-01-21 03:19:48 -0600 berak

h264 encode data -> socket -> opencv decode ??

H264
socket

984

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-1

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2020-01-21 12:15:07 -0600 rexendz

Draw bounding box around transparent bottle

python#opencv

265

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2020-01-20 21:48:16 -0600 danilsun

How can I change car recognition to people recognition?

139

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2020-01-20 14:14:25 -0600 mvuori

opencv equivalent of cell2matfrom matlab

cell2mat

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2020-01-24 20:55:23 -0600 supra56

[SOLVED]How to project points from undistort image to distort image?

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2020-01-20 08:03:16 -0600 Allaye

Initialising yolo3 weight

Yolov3

273

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1

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2020-01-20 06:39:41 -0600 BadMachine

Run Openvino model [closed]

openvino

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2020-01-20 01:40:46 -0600 alon_yair

how to reconnect to rtsp stream with VideoCapture in c++

videocapture

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2020-03-29 05:24:53 -0600 ComputerVisionary

Passengers counting in car using opencv

154

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2020-01-19 21:41:28 -0600 pliablepixels

Multiple concurrent detections using a single net

dnn

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2020-01-19 13:39:33 -0600 alex1306

How to group points using treshold? [closed]

cv#opencv#python

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2020-01-19 13:33:22 -0600 jgauthier

cv.h: No such file or directory [closed]

code
header

2k

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1

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2020-01-20 12:09:10 -0600 cudawarped

Cuda ORB keypoints

287

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2020-01-19 11:32:45 -0600 g40

Take 2: Building cv2_xxx.pyd for Windows x64/Python3.7

836

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1

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2020-01-19 20:02:21 -0600 supra56

vector results inconsistent what am I doing?[SOLVED]

560

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1

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1

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2020-01-18 20:43:16 -0600 Larry

GIMP 2.10 Style Unsharp Mask

620

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no

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-1

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2020-01-19 04:45:29 -0600 vijaya

After encryption of an image array using aes, when i try to save the encrypted image in jpg format using imwrite then the jpg image will have 0 bytes and type of the image becomes none

287

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2020-01-18 09:58:55 -0600 WuSifan

Needing insight into the stitching pipeline.

2k

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2

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2020-03-12 02:45:00 -0600 KTeddy

OpenCV build for Windows x64/Python3.7 from source. Where is the .pyd file?

969

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2020-01-18 07:21:38 -0600 Tonystark124

Salt and Pepper impulse Denoising opencv

689

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no

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1

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2020-01-17 19:58:36 -0600 Martian

29,830 questions

How to crop rectangles from a image with opencv

Where should I use OpenCV LBPHFaceRecognizer parameters [closed]

Single shot structured light

How to make measure distance between 2 objects with Open CV and camera Hayear ?

VideoCapture with VideoCapture.Api.Images fails: OPENCV_HAVE_FILESYSTEM_SUPPORT is set to “FALSE” on iOS

How can an undistorted image have the same resolution as the original?

[SOLVED]use knnSearch, terminate called after throwing an instance of 'cvflann::anyimpl::bad_any_cast' [closed]

How to trigger tests in misc/python/test

Cascade Classifier Circle Detection [closed]

h264 encode data -> socket -> opencv decode ??

Draw bounding box around transparent bottle

How can I change car recognition to people recognition?

opencv equivalent of cell2matfrom matlab

[SOLVED]How to project points from undistort image to distort image?

Initialising yolo3 weight

Run Openvino model [closed]

how to reconnect to rtsp stream with VideoCapture in c++

Passengers counting in car using opencv

Multiple concurrent detections using a single net

How to group points using treshold? [closed]

cv.h: No such file or directory [closed]

Cuda ORB keypoints

Take 2: Building cv2_xxx.pyd for Windows x64/Python3.7

vector results inconsistent what am I doing?[SOLVED]

GIMP 2.10 Style Unsharp Mask

After encryption of an image array using aes, when i try to save the encrypted image in jpg format using imwrite then the jpg image will have 0 bytes and type of the image becomes none

Needing insight into the stitching pipeline.

OpenCV build for Windows x64/Python3.7 from source. Where is the .pyd file?

Salt and Pepper impulse Denoising opencv

CMake: Difference between OpenCL_LIBRARY vs OPENCL_LIBRARY

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