Questions - OpenCV Q&A Forum

3k

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1

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1

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2020-10-12 08:22:06 -0600 berak

Negative values in filter2D convolution

355

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no

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no

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2020-10-12 01:29:08 -0600 sahiil

Calculate distance between keypoints in OpenPose?

1k

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1

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no

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2020-10-12 02:41:36 -0600 berak

OpenCV encode CHW format image failed

jpg
imencode

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2020-10-11 12:03:07 -0600 jbhunt

Is there an ellipse detection algorithm that is robust to partially occluded objects?

326

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no

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2020-10-11 10:12:38 -0600 opencv_new

Accuracy with SIFT + bag of words

633

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1

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2

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2020-10-11 08:00:43 -0600 berak

Best/efficient development workflow?

7k

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2020-10-11 03:09:18 -0600 Ashley

How to solve TypeError: Expected Ptr<cv::UMat> for argument 'src'?

9k

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no

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2020-10-10 14:52:27 -0600 berak

OPENCV 4.04 > THRESH_OTSU mode: > 'src_type == CV_8UC1 || src_type == CV_16UC1' > where > 'src_type' is 6 (CV_64FC1)

1k

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2020-10-10 02:34:20 -0600 kunaltyagi

Compilation error while building from source

compilation-error

147

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2020-10-10 00:40:41 -0600 tahereh rasouli

The amount of movement of two images in three dimensions and angles [closed]

851

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2020-10-09 19:45:27 -0600 Jeremy Intan

Building OpenCV without SSE2 and Neon

sse2
neon

8k

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1

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2020-10-09 04:21:17 -0600 sturkmen

(-215:Assertion failed) !_src.empty() in function 'cv::cvtColor'

cv2.videocapture

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2

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2020-10-09 14:59:49 -0600 sturkmen

Drawing several circles in an additive way

503

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2

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2020-10-09 13:51:57 -0600 supra56

Calculating motion of Spacecraft/Camera

506

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no

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no

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2020-10-08 15:16:24 -0600 idan

solvePnP for camera pose - Am I missing a step?

319

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1

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no

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2020-10-12 02:52:44 -0600 banderlog

-DINF_ENGINE_RELEASE decypher

526

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1

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2020-10-13 03:55:28 -0600 banderlog

What the difference between `CV_VERSION_STATUS` values?

openvino

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no

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2020-10-08 03:15:34 -0600 Steven.Dragoz

ORB Keypoints Minimum distance?

2k

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1

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1

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2020-10-08 07:17:33 -0600 supra56

extract text from Driving Licence

python#opencv

206

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1

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2020-10-08 07:01:42 -0600 supra56

Can you read this image by using imRead function?

328

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no

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no

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2020-10-07 16:43:32 -0600 alecda

Error from cv2.dnn.readNetFromTensorflow Lambda layer

readNetFromTensor

421

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no

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2020-10-07 15:11:30 -0600 BullyWiiPlaza

Cannot convert image types using the C++ API

555

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1

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2020-10-11 15:15:49 -0600 crackwitz

Cannot Figure Out How To Run OpenCV

303

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1

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2020-10-07 11:24:44 -0600 dvfreese

Thread-safety with GpuMat

113

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2020-10-07 08:24:30 -0600 salasidis

Very Beginner question - need directional guidance

751

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2020-10-07 07:18:55 -0600 v.suri

image.channels() not counting correctly for 2 channel tif images.

c++
opencv

127

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1

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2020-10-07 04:29:49 -0600 Sloanc

Can I use Opencv to process output from a linear photodiode array array.

10k

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2

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1

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2020-10-06 22:05:33 -0600 ajpaezm

Delete OpenCV installation in Ubuntu. [closed]

566

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no

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no

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2020-10-06 17:32:02 -0600 warpstar22

Identifying between left and right hand

hand-detection

496

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no

answers

no

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2020-10-06 10:22:41 -0600 berak

29,830 questions

Negative values in filter2D convolution

Calculate distance between keypoints in OpenPose?

OpenCV encode CHW format image failed

Is there an ellipse detection algorithm that is robust to partially occluded objects?

Accuracy with SIFT + bag of words

Best/efficient development workflow?

How to solve TypeError: Expected Ptr<cv::UMat> for argument 'src'?

OPENCV 4.04 > THRESH_OTSU mode: > 'src_type == CV_8UC1 || src_type == CV_16UC1' > where > 'src_type' is 6 (CV_64FC1)

Compilation error while building from source

The amount of movement of two images in three dimensions and angles [closed]

Building OpenCV without SSE2 and Neon

(-215:Assertion failed) !_src.empty() in function 'cv::cvtColor'

Drawing several circles in an additive way

Calculating motion of Spacecraft/Camera

solvePnP for camera pose - Am I missing a step?

-DINF_ENGINE_RELEASE decypher

What the difference between `CV_VERSION_STATUS` values?

ORB Keypoints Minimum distance?

extract text from Driving Licence

Can you read this image by using imRead function?

Error from cv2.dnn.readNetFromTensorflow Lambda layer

Cannot convert image types using the C++ API

Cannot Figure Out How To Run OpenCV

Thread-safety with GpuMat

Very Beginner question - need directional guidance

image.channels() not counting correctly for 2 channel tif images.

Can I use Opencv to process output from a linear photodiode array array.

Delete OpenCV installation in Ubuntu. [closed]

Identifying between left and right hand

Building opencv.js on MAC fails undefined symbol: __tls_base

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