opencv Errors

101 entries

Error Code Domain Category Fix Rate Confidence Tier
cv::aruco: no markers detected — opencv runtime_error 78% 82% ai_generated
cv::error: Assertion failed (size.width>0 && size.height>0) — opencv runtime_error 85% 88% ai_generated
CMake Error: CUDA_TOOLKIT_ROOT_DIR not found — opencv build_error 78% 82% ai_generated
cv::calibrateCamera: calibration failed with high reprojection error — opencv computation_error 78% 82% ai_generated
cv2.error: (-28:Insufficient number of valid points) in function 'calibrateCamera' — opencv calibration_error 85% 88% ai_generated
cv2.error: (-215:Assertion failed) !empty() in function 'detectMultiScale' — opencv configuration_error 92% 90% ai_generated
cv::CascadeClassifier: failed to load classifier — opencv io_error 85% 88% ai_generated
OpenCV: FFMPEG: tag 0x34363248/'H264' is not supported with codec id 27 — opencv codec_error 82% 85% ai_generated
cv::error: Assertion failed in cvtColor: invalid conversion code — opencv runtime_error 85% 88% ai_generated
cv::findContours: invalid contour retrieval mode — opencv runtime_error 82% 86% ai_generated
cv::cuda: GPU memory allocation failed — opencv memory_error 78% 82% ai_generated
cv2.error: OpenCV was built without CUDA support; cv2.cuda is not available — opencv configuration_error 82% 90% ai_generated
cv2.error: DNN module was not built with CUDA backend; switched to CPU — opencv configuration_error 85% 88% ai_generated
cv::dnn: error during forward pass — opencv runtime_error 78% 82% ai_generated
Not enough good matches found between images — opencv computation_error 78% 82% ai_generated
cv::fisheye: calibration failed — opencv computation_error 78% 82% ai_generated
cv::cuda::GpuMat operation not supported — opencv runtime_error 78% 82% ai_generated
cv::error: sizes of input arrays must match in hconcat/vconcat — opencv runtime_error 85% 88% ai_generated
imdecode returned empty Mat — opencv io_error 82% 86% ai_generated
ImportError: libGL.so.1: cannot open shared object file — opencv import_error 85% 88% ai_generated
cv2.error: (-215:Assertion failed) !_src.empty() — imread returned None for valid file path — opencv io_error 90% 92% ai_generated
cv2.error: (-215:Assertion failed) src.type() == CV_8UC1 in function 'equalizeHist' — opencv type_error 90% 92% ai_generated
cv::error: Assertion failed: type mismatch — opencv type_error 82% 86% ai_generated
cv::error: bad kernel size for morphological operation — opencv runtime_error 85% 88% ai_generated
cv::calcOpticalFlowPyrLK: input images must be grayscale — opencv runtime_error 82% 86% ai_generated
cv::getPerspectiveTransform: invalid input points — opencv runtime_error 82% 86% ai_generated
RuntimeError: No RealSense devices were found — opencv camera_error 78% 85% ai_generated
cv::resize: interpolation method not suitable for scaling factor — opencv quality_error 80% 84% ai_generated
cv::error: ROI is outside of the image — opencv runtime_error 85% 88% ai_generated
cv2.error: (-209:Sizes of input arguments do not match) — opencv dimension_error 92% 92% ai_generated
cv::StereoBM: disparity map quality poor — opencv computation_error 78% 82% ai_generated
cv::matchTemplate: template larger than image — opencv runtime_error 85% 88% ai_generated
cv::TrackerCSRT: initialization failed — opencv runtime_error 80% 84% ai_generated
cv::warpAffine: transformation matrix has wrong dimensions — opencv runtime_error 85% 88% ai_generated
VIDEOIO ERROR: V4L2: Unable to open device /dev/video0: Permission denied EOIO opencv camera_error 85% 88% ai_generated
VideoCapture: Failed to open video source — opencv io_error 78% 83% ai_generated
VideoWriter: failed to write frame with codec — opencv io_error 78% 82% ai_generated
VideoCapture: can't open camera by index / !_src.empty() in function 'cvtColor' — opencv camera_error 82% 88% ai_generated
cv2.error: The function is not implemented (no GUI) — opencv config_error 82% 86% ai_generated
cv::error: (-215:Assertion failed) hierarchy.checkVector(3, 4) >= 0 in function 'drawContours' -215 opencv assertion_error 80% 85% ai_generated
cv2.error: OpenCV(4.5.5) /tmp/opencv-4.5.5/modules/xfeatures2d/src/sift.cpp:120: error: (-213:The function/feature is not implemented) This algorithm is patented and is excluded in this configuration; Set OPENCV_ENABLE_NONFREE CMake option and rebuild the library in function 'SIFT_create' -213 opencv build_error 85% 90% ai_generated
cv2.error: OpenCV(4.8.0) /tmp/opencv-4.8.0/modules/dnn/src/onnx/onnx_importer.cpp:203: error: (-2:Unspecified error) Failed to parse ONNX model: No Op registered for 'NonMaxSuppression' with domain_version of 12 in function 'readNetFromONNX' -2 opencv module_error 80% 88% ai_generated
cv2.error: OpenCV(4.6.0) /tmp/opencv-4.6.0/modules/videoio/src/cap.cpp:293: error: (-215:Assertion failed) frame_size.width > 0 && frame_size.height > 0 in function 'CvCapture_FFMPEG::open' -215 opencv runtime_error 75% 85% ai_generated
cv2.error: OpenCV(4.9.0) /tmp/opencv-4.9.0/modules/core/src/kmeans.cpp:245: error: (-215:Assertion failed) N >= K in function 'kmeans' -215 opencv assertion_error 95% 90% ai_generated
cv2.error: OpenCV(4.7.0) /tmp/opencv-4.7.0/modules/highgui/src/window.cpp:589: error: (-2:Unspecified error) The function is not implemented. Rebuild the library with Windows, GTK+ 2.x or Cocoa support. If you are on Ubuntu or Debian, install libgtk2.0-dev and pkg-config, then re-run cmake or configure script in function 'cvNamedWindow' -2 opencv build_error 85% 92% ai_generated
cv::error: (-215:Assertion failed) (map1.type() == CV_32FC2 || map1.type() == CV_16SC2) in function 'remap' -215 opencv type_error 85% 88% ai_generated
cv::error: (-215:Assertion failed) group_threshold > 0 in function 'groupRectangles' -215 opencv assertion_error 90% 85% ai_generated
cv::error: (-215:Assertion failed) distCoeffs.type() == CV_32FC1 || distCoeffs.type() == CV_64FC1 in function 'undistortPoints' -215 opencv type_error 88% 87% ai_generated
cv::error: (-215:Assertion failed) !_dictionary.empty() in function 'detectMarkers' -215 opencv assertion_error 92% 86% ai_generated
cv::error: (-28:Insufficient number of valid points) in function 'solvePnP' -28 opencv computation_error 87% 89% ai_generated
cv::error: (-215:Assertion failed) !boundingBox.empty() in function 'init' -215 opencv assertion_error 90% 84% ai_generated
cv::error: (-228:Unknown error code 228) The homography mask has invalid size in function 'findHomography' -228 opencv assertion_error 88% 85% ai_generated
cv::error: (-215:Assertion failed) count >= 0 in function 'cv::approxPolyDP' -215 opencv assertion_error 85% 82% ai_generated
cv::error: (-215:Assertion failed) !blob.empty() in function 'cv::dnn::blobFromImage' -215 opencv assertion_error 90% 83% ai_generated
cv::error: (-215:Assertion failed) labels.size() == samples.rows in function 'cv::kmeans' -215 opencv assertion_error 87% 80% ai_generated
cv::error: (-215:Assertion failed) map1.size().area() > 0 in function 'cv::undistort' -215 opencv assertion_error 89% 84% ai_generated
cv::error: (-215:Assertion failed) nfeatures > 0 in function 'cv::goodFeaturesToTrack' -215 opencv assertion_error 92% 81% ai_generated
cv::error: (-215:Assertion failed) !goturnModel.empty() in function 'init' -215 opencv runtime_error 82% 88% ai_generated
OpenCV: FFMPEG: tag 0x5634504d/'MP4V' is not supported with codec id 12 — opencv encoding_error 75% 87% ai_generated
cv::error: (-215:Assertion failed) !_prevImg.empty() && !_nextImg.empty() && prevImg.size() == nextImg.size() in function 'cv::DualTVL1OpticalFlow::calc' — opencv assertion_error 85% 85% ai_generated
cv::error: (-2:Unspecified error) Failed to parse ONNX model: (node: 'Gemm_0') Input tensor 'A' has 3 dimensions but expected 2 in function 'cv::dnn::dnn4_v20231225::ONNXImporter::parseNode' — opencv data_error 78% 82% ai_generated
OpenCV: GStreamer: cannot link elements: source -> decodebin — opencv runtime_error 82% 83% ai_generated
cv::error: (-215:Assertion failed) centers.cols == data.cols in function 'cv::kmeans' — opencv assertion_error 88% 84% ai_generated
cv::error: (-215:Assertion failed) !_tracker.empty() && _tracker->isInitialized() in function 'cv::TrackerNano::update' — opencv runtime_error 85% 81% ai_generated
cv::error: (-215:Assertion failed) npoints >= 0 && npoints == std::max(1, (int)objectPoints.size()) in function 'cv::fisheye::estimateExtrinsics' — opencv assertion_error 86% 83% ai_generated
cv::error: (-28:Insufficient number of valid points) in function 'cv::findHomography' -28 opencv computation_error 82% 88% ai_generated
cv::error: (-215:Assertion failed) inputs[0].size[0] == net.getLayer(0)->outputs[0].size[0] in function 'cv::dnn::Net::forward' -215 opencv assertion_error 88% 85% ai_generated
[ WARN:0] global /tmp/opencv-4.9.0/modules/videoio/src/cap_gstreamer.cpp (2401) open OpenCV | GStreamer warning: unable to start pipeline — opencv runtime_error 87% 86% ai_generated
cv::error: Out of memory in function 'cv::detail::MultiBandBlender::feed' — opencv resource_error 85% 87% ai_generated
cv::error: (-215:Assertion failed) objectPoints.size() == imagePoints.size() && objectPoints.size() >= 4 in function 'cv::solvePnP' -215 opencv assertion_error 90% 88% ai_generated
cv::error: (-215:Assertion failed) !buf.empty() && buf.data != NULL in function 'cv::imdecode' -215 opencv data_error 90% 87% ai_generated
cv::error: (-2:Unspecified error) FAILED: fs.is_open(). Can't open file: 'model.prototxt' in function 'ReadProtoFromTextFile' -2 opencv resource_error 93% 87% ai_generated
cv::error: (-217:Unknown error code 217) GpuMat::upload() failed: the input matrix is empty or has an unsupported type in function 'upload' -217 opencv type_error 88% 85% ai_generated
OpenCV: FFMPEG: init: Could not find codec parameters for stream 0 (Video: h264, none): unspecified size — opencv runtime_error 85% 86% ai_generated
cv::error: (-228:Unknown error code 228) The homography mask has invalid size in function 'cv::findHomography' -228 opencv assertion_error 94% 87% ai_generated
cv2.error: OpenCV(4.8.0) /modules/videoio/src/cap_images.cpp: error: (-2:Unspecified error) could not find encoder for codec 0x47504A4D -2 opencv runtime_error 75% 88% ai_generated
cv::error: (-215:Assertion failed) src1.type() == CV_8UC1 && src2.type() == CV_8UC1 in function 'cv::StereoBM::compute' -215 opencv type_error 90% 87% ai_generated
cv2.error: OpenCV(4.9.0) /modules/core/src/kmeans.cpp:245: error: (-215:Assertion failed) N >= K in function 'cv::kmeans' -215 opencv assertion_error 90% 85% ai_generated
cv2.error: OpenCV(4.7.0) /modules/dnn/src/dnn.cpp: error: (-2:Unspecified error) DNN module was not built with CUDA backend; switched to CPU -2 opencv config_error 75% 90% ai_generated
cv2.error: OpenCV(4.5.5) /modules/videoio/src/cap_gstreamer.cpp:1156: error: (-215:Assertion failed) !pipeline.empty() in function 'open' -215 opencv config_error 88% 82% ai_generated
cv::error: OpenCV(4.6.0) /modules/calib3d/src/solvepnp.cpp:123: error: (-215:Assertion failed) !cvIsNaN(distCoeffs.at<double>(i)) in function 'solvePnP' -215 opencv data_error 87% 83% ai_generated
cv2.error: OpenCV(4.8.0) /modules/imgcodecs/src/loadsave.cpp:734: error: (-2:Unspecified error) could not find a writer for the specified extension in function 'cv::imwrite_' -2 opencv encoding_error 93% 86% ai_generated
cv::error: (-2:Unspecified error) Failed to allocate memory for DNN forward pass with CUDA backend -2 opencv resource_error 75% 82% ai_generated
cv2.error: OpenCV(4.9.0) /tmp/opencv-4.9.0/modules/core/src/kmeans.cpp:245: error: (-215:Assertion failed) N >= K in function 'cv::kmeans' -215 opencv assertion_error 95% 88% ai_generated
OpenCV: FFMPEG: tag 0x3234504d/'MP42' is not supported with codec id 12 — opencv encoding_error 70% 80% ai_generated
cv::error: (-215:Assertion failed) src1.type() == CV_8UC1 in function 'calcOpticalFlowFarneback' -215 opencv type_error 90% 88% ai_generated
cv2.error: OpenCV(4.8.0) ../modules/highgui/src/window.cpp:376: error: (-27:Null pointer) NULL window in function 'cvWaitKey' -27 opencv runtime_error 95% 85% ai_generated
cv2.error: OpenCV(4.9.0) ../modules/dnn/src/onnx/onnx_importer.cpp:1122: error: (-2:Unspecified error) in function 'importNode': OpenCV does not support ONNX operator 'ScatterND' -2 opencv module_error 80% 87% ai_generated
OpenCV: FFMPEG: Failed to initialize codec 'libx264' for stream 0 — opencv config_error 75% 82% ai_generated
cv::error: (-215:Assertion failed) 0 <= roi.x && 0 <= roi.width && roi.x + roi.width <= m.cols && 0 <= roi.y && 0 <= roi.height && roi.y + roi.height <= m.rows in function 'getRectSubPix' -215 opencv assertion_error 90% 86% ai_generated
cv::error: (-2:Unspecified error) could not find a writer for the specified extension in function 'imwrite_' -2 opencv config_error 85% 84% ai_generated
cv::error: (-215:Assertion failed) !nms_iou_threshold.empty() && nms_iou_threshold > 0 && nms_iou_threshold <= 1 in function 'NMSBoxes' — opencv assertion_error 88% 85% ai_generated
VIDEOIO ERROR: V4L2: Pixel format of stream 0 is not supported by OpenCV — opencv runtime_error 82% 83% ai_generated
cv::error: (-215:Assertion failed) !winname.empty() && namedWindow(winname, flags) == 0 in function 'imshow' — opencv assertion_error 85% 82% ai_generated
cv::error: (-215:Assertion failed) total() == 0 || data != NULL in function 'Mat::create' — opencv assertion_error 80% 84% ai_generated
cv::error: (-215:Assertion failed) _src.type() == CV_8UC1 in function 'cv::findContours' -215 opencv type_error 90% 85% ai_generated
cv2.error: OpenCV(4.8.0) /modules/dnn/src/tensorflow/tf_io.cpp:89: error: (-2:Unspecified error) FAILED to read .pb file: Invalid GraphDef -2 opencv module_error 80% 85% ai_generated
cv2.error: OpenCV(4.8.0) /modules/videoio/src/cap_gstreamer.cpp:1058: error: (-215:Assertion failed) gst_pipeline is NULL in function 'CvCapture_GStreamer::open' -215 opencv runtime_error 85% 85% ai_generated
cv::error: (-215:Assertion failed) matches.size() >= 4 in function 'cv::detail::matchesGraphAsString' -215 opencv computation_error 80% 85% ai_generated
cv::error: (-215:Assertion failed) src.type() == CV_32FC2 || src.type() == CV_64FC2 in function 'cv::fisheye::undistortPoints' -215 opencv type_error 90% 85% ai_generated
cv::error: (-2:Unspecified error) Could not create window in function 'cv::namedWindow' -2 opencv system_error 90% 85% ai_generated