Questions - OpenCV Q&A Forum

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2020-10-04 21:16:06 -0600 Deauther_2560

f= cv2.dnn.readNet(prototxtPath, weightsPath) cv2.error: OpenCV(4.4.0) C:\caffe\caffe_io.cpp:1121: error: (-2:Unspecified error) FAILED: fs.is_open(). Can't open "\deploy.prototxt" in function 'cv::dnn::ReadProtoFromTextFile'

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2020-10-05 03:26:29 -0600 Jiftoo

What would be the best approach to detect walls or corridors in this game?

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2020-10-05 09:49:04 -0600 tim-hilt

GMS-matcher doesn't write to Output-Vector

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2020-10-05 14:36:50 -0600 yurky

Does parallel_for_ block until all threads complete?

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2020-10-06 03:44:55 -0600 aiubian

SOLVEPNP_ITERATIVE vs SOLVEPNP_EPNP vs SOLVEPNP_P3P vs solvePnPRansac - Which to use and when to use?

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2020-10-06 08:53:59 -0600 mimeluff

Fisheye --> Undistorted --> Fisheye

python

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

Building opencv.js on MAC fails undefined symbol: __tls_base

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

Identifying between left and right hand

hand-detection

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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

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

Very Beginner question - need directional guidance

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

Error from cv2.dnn.readNetFromTensorflow Lambda layer

readNetFromTensor

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

ORB Keypoints Minimum distance?

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

solvePnP for camera pose - Am I missing a step?

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

Building OpenCV without SSE2 and Neon

sse2
neon

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

Compilation error while building from source

compilation-error

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

Accuracy with SIFT + bag of words

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2020-10-12 14:25:17 -0600 KyloEntro

Track black object with optical flow

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2020-10-12 14:04:32 -0600 ChannelJuanNews

OpenCV Build JS Fails on MacOS

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2020-10-13 01:32:43 -0600 berak

findChessboardCorners and findCirclesGrid don't work on large image?

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2020-10-13 03:36:03 -0600 yafoyyman

how to solve a instalation problem

pep
517

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2020-10-13 15:47:51 -0600 alecda

opencv world not in build folder

CUDA

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2020-10-14 02:59:28 -0600 sturkmen

opencv-python how to remove these black pixels from number plate.

alpr
OCR

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2020-10-15 02:43:46 -0600 maro

Pixel order for demosaicing

demosaicing

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2020-10-15 19:18:24 -0600 e1513377

cannot find lcublas when installing OpenCV with CUDA in Ubuntu 20?

CUDA

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2020-10-16 03:42:44 -0600 bomcv

RTSP: Extract time stamp for each frame and dump video

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2020-10-16 18:23:37 -0600 EmmanuelMess

Build statically, missing cv::countNonZero(cv::_InputArray const&)

android

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

Convert Python Into Java / Kotlin using these operations

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2020-10-19 07:30:38 -0600 kun

Confusion about opencv's distortion model w.r.t Brown–Conrady model

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2020-10-19 08:01:11 -0600 palladin

FLANN matcher not work properly

flann

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2020-10-19 15:57:54 -0600 ncolterx

12,357 questions

f= cv2.dnn.readNet(prototxtPath, weightsPath) cv2.error: OpenCV(4.4.0) C:\caffe\caffe_io.cpp:1121: error: (-2:Unspecified error) FAILED: fs.is_open(). Can't open "\deploy.prototxt" in function 'cv::dnn::ReadProtoFromTextFile'

What would be the best approach to detect walls or corridors in this game?

GMS-matcher doesn't write to Output-Vector

Does parallel_for_ block until all threads complete?

SOLVEPNP_ITERATIVE vs SOLVEPNP_EPNP vs SOLVEPNP_P3P vs solvePnPRansac - Which to use and when to use?

Fisheye --> Undistorted --> Fisheye

Building opencv.js on MAC fails undefined symbol: __tls_base

Identifying between left and right hand

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

Very Beginner question - need directional guidance

Error from cv2.dnn.readNetFromTensorflow Lambda layer

ORB Keypoints Minimum distance?

solvePnP for camera pose - Am I missing a step?

Building OpenCV without SSE2 and Neon

Compilation error while building from source

Accuracy with SIFT + bag of words

Track black object with optical flow

OpenCV Build JS Fails on MacOS

findChessboardCorners and findCirclesGrid don't work on large image?

how to solve a instalation problem

opencv world not in build folder

opencv-python how to remove these black pixels from number plate.

Pixel order for demosaicing

cannot find lcublas when installing OpenCV with CUDA in Ubuntu 20?

RTSP: Extract time stamp for each frame and dump video

Build statically, missing cv::countNonZero(cv::_InputArray const&)

Convert Python Into Java / Kotlin using these operations

Confusion about opencv's distortion model w.r.t Brown–Conrady model

FLANN matcher not work properly

How to include 'opencv-python' in Anaconda meta.yaml?

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