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ArUco detection on macOS (AVFoundation → OpenCV 4) intermittently returns no markers — sanity check on params/pipeline?
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4
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87
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June 17, 2026
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Real-Time Detection of Vertical Tongue Movements via Mobile Camera — Choosing the Right Approach
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1
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88
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June 17, 2026
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Pip install opencv-python (still in old version)
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1
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120
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June 17, 2026
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Fine tuning image selctions
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1
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71
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June 9, 2026
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cv::VideoCapture.read(frame) with CAP FFMPEG and hardware acceleration adds two black lines
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0
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67
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June 8, 2026
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Laser pattern rangefinding using a diffraction grating
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10
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241
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June 7, 2026
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OpenCV Raspicam Ubuntu 24 Server
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2
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92
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June 5, 2026
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Can't Read YUV HDMI IN with VideoCapture
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5
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112
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June 2, 2026
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AR rock climbing wall
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3
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145
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May 30, 2026
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Matchtemplate SQDIFF has minValue != 0 for identical image/template
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4
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79
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May 29, 2026
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Stereo Calibration: Very high radial distortion coefficients
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3
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63
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May 26, 2026
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Why doesn't OpenCV officially compile the OpenVINO version anymore?
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0
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55
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May 25, 2026
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cv::VideoCapture.isOpen() returns TRUE even on some errors (bug?)
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1
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94
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May 19, 2026
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Opencv camera calibration
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5
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242
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May 19, 2026
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Can't read mp4 on alma linux ( = RHEL) system
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4
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82
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May 19, 2026
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Computer Vision Task
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0
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65
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May 16, 2026
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ArUco relative displacement measurement between markers - precision issues when object rotates
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5
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121
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May 15, 2026
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OpenCV with CUDA for C++ help
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0
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140
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May 12, 2026
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How to distinguish exterior wall outline lines from hatch, dimension, and view-crop lines in architectural elevation PDFs?
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4
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89
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May 11, 2026
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OpenCV 4.12.0 CMake Shows freetype2: NO / harfbuzz: NO (vcpkg, VS2022, Windows 11)
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1
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312
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May 9, 2026
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Inaccurate metrology measurements in OpenCV orthomosaic from three 48MP cameras
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1
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97
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May 8, 2026
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Failed to parse ONNX model
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3
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139
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May 6, 2026
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[Help] Struggling to detect pool pockets and place these pockets in live video
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5
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208
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May 5, 2026
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Show HN: I built a zero-luck board game. Now I need a CV engineer to help run the rules
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0
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62
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May 5, 2026
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Relative position of two ArUco markers
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2
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95
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May 5, 2026
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OpenCV CMake config file sets OpenCV_FOUND to FALSE
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0
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62
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April 30, 2026
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KNN background subtraction algorithm
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6
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145
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April 22, 2026
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Seeking collaboration: AI-powered foot measurement & size recommendation using OpenCV (for online sports shoe brand)
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2
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86
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April 16, 2026
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cv2.findChessboardCorners() running endlessly on certain images
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4
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1129
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April 15, 2026
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Topic: OpenCV error in code::blocks
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1
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83
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April 14, 2026
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