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G-API: Support DirectML Execution Provider for ONNXRT Backend
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [ ] I agree to contribute to the project under Apache 2 License.
- [ ] To the best of my knowledge, the proposed patch... | feature | opencv/opencv | nlbse2024 |
Google Summer of Code Support ONNX operator gather elements
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch i... | feature | opencv/opencv | nlbse2024 |
feat: update NumPy type to Mat type fail message
Output string representation of NumPy array type if it is not convertible to OpenCV Mat type
Example output from the test:
```
cv2.error: OpenCV(4.8.0-dev) :-1: error: (-5:Bad argument) in function 'dumpInputArray'
> Overload resolution failed:
> - argument data type ... | feature | opencv/opencv | nlbse2024 |
Expose list of VideoCapture devices
### Describe the feature and motivation
There is no way currently, within OpenCV, to list existing devices to let the user select them. This means that they must be obtained in a different manner (either by re-implementing manually, or using a third-party library), which may not ma... | feature | opencv/opencv | nlbse2024 |
Add single image support to VideoCapture
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a co... | feature | opencv/opencv | nlbse2024 |
Added Aruco-based QR code detection method to python sample
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch i... | feature | opencv/opencv | nlbse2024 |
Weird behaviour when I use Image2BlobParams
### Describe the feature and motivation
Full post is https://forum.opencv.org/t/image2blobparams-c-and-python/13437
My code in python :
```
paramTF2cedn = cv.dnn.Image2BlobParams()
paramTF2cedn.datalayout = cv.dnn.DNN_LAYOUT_NHWC;
paramTF2cedn.ddepth = cv.CV_32F;
paramTF... | feature | opencv/opencv | nlbse2024 |
OpenCV(4.7.0-dev) Error: Assertion failed (interp_mode != "tf_half_pixel_for_nn")
### System Information
```
General configuration for OpenCV 4.7.0-dev =====================================
Version control: 4.7.0-389-g9fa014edcd
Extra modules:
Location (extra): C:/lib/opencv_contrib/modules
Version control (extr... | feature | opencv/opencv | nlbse2024 |
Build Java without ANT
### Pull Request Readiness Checklist
Enables a path of building Java bindings without ANT
* Able to build OpenCV JAR and Docs without ANT
```
-- Java:
-- ant: NO
-- JNI: /usr/lib/jvm/default-java/include /usr/lib/jvm/default-java/include/linux /usr/lib/jvm/default-java/include
-- Java wr... | feature | opencv/opencv | nlbse2024 |
Moved barcode from opencv_contrib
Merge with https://github.com/opencv/opencv_contrib/pull/3497
##### TODO
- [x] Documentation (bib)
- [x] Tutorial (references)
- [x] Sample app (refactored)
- [x] Java (test passes)
- [x] Python (test passes)
- [x] Build without DNN
```
allow_multiple_commits=1
force_builders=Custom... | feature | opencv/opencv | nlbse2024 |
Exposing CV_MAKETYPE(depth, cn) and CV_8UC(n), CV_8SC(n) etc., macros to the Python binding for arbitrary channel number handling in cv2.cuda.GpuMat
### Describe the feature and motivation
It would be great to expose the following macros to the Python binding:
```C
#define CV_MAKETYPE(depth, cn) (CV_MAT_DEPTH(depth) ... | feature | opencv/opencv | nlbse2024 |
videoio/FFmpeg: increased packet read attempt limit, allow configuring it
resolves #9455
related #3225
* Use different counters for wrong packets recieved by demuxer and errors from decoder
* Allow modifying these counters via environment variables `OPENCV_FFMPEG_READ_ATTEMPTS`/`OPENCV_FFMPEG_DECODE_ATTEMPTS`
* Added... | feature | opencv/opencv | nlbse2024 |
Add AVIF support through libavif.
This is to fix https://github.com/opencv/opencv/issues/19271
Extra: https://github.com/opencv/opencv_extra/pull/1069
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [x] I agree to contribute to... | feature | opencv/opencv | nlbse2024 |
Add int64, uint64, bool, uint data type.
Since we only have three bits for the data type, this PR wants to expand the number of bits of the data type to 4 bits.
At present, there are many aspects of this PR that have not been considered. Any suggestions are welcome.
### Pull Request Readiness Checklist
See details ... | feature | opencv/opencv | nlbse2024 |
Unable to call LMSolver in python.
### Descripe the feature and motivation
I want to solve a Levenberg-Marquardt problem with LMSolver or CvLevMarq in OpenCV.
But I find I can't call LMSolver or CvLevMarq with Python.
Are these two interfaces not available in Python?
### Additional context
_No response_ | feature | opencv/opencv | nlbse2024 |
Meta's Segment Anything with dnn
### Descripe the feature and motivation
A novel model with published trained weights https://github.com/facebookresearch/segment-anything.
- [x] Export model to ONNX. Need to export carefully. See [below](https://github.com/opencv/opencv/issues/23470#issuecomment-1506627997) for detai... | feature | opencv/opencv | nlbse2024 |
Newton PNP Solver
### Newton-PnP: Real-time Visual Navigation for Autonomous Toy-Drones
**Ibrahim Jubran, Fares Fares, Yuval Alfassi, Firas Ayoub, Dan Feldman**
Link for the article with information and proof of working:
https://arxiv.org/pdf/2203.02686.pdf
https://arxiv.org/abs/2203.02686
The Perspective-n-Point pr... | feature | opencv/opencv | nlbse2024 |
request emplace_back() in class Mat defined in mat.hpp
### Descripe the feature and motivation
C++11 introduce emplace_back into STL, which can In-place Constructe that can improve performance. I am trying to working on it (add a similar one to `Mat` ) but I am new to this project and I dont think I can do it very we... | feature | opencv/opencv | nlbse2024 |
Add ScrollWheel in Cocoa
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or ... | feature | opencv/opencv | nlbse2024 |
imshow速度太慢，如何能加快imshow
### Descripe the feature and motivation
imshow速度太慢，如何能加快imshow
### Additional context
_No response_ | feature | opencv/opencv | nlbse2024 |
OpenCV cannot import ONNX model: Inconsistent shape for ConcatLayer in function 'cv::dnn::ConcatLayerImpl::getMemoryShapes'
### System Information
OpenCV = Python opencv-python-rolling-4.7.0.20230211
Operating System / Platform Windows 10 64 bit
Python =3.10.4
### Detailed description
I converted the MODNet-MobileN... | feature | opencv/opencv | nlbse2024 |
dnn(tflite): add 3rdparty flatbuffers with pre-generated schema
relates #23161
https://github.com/google/flatbuffers/releases/tag/v23.1.21 (Apache 2.0)
TODO:
- [x] fix build issues (32-bit and static libraries)
- [x] fix tests
- [x] readme and licensing information
<cut/>
```
force_builders=Custom,Custom Win,Linux... | feature | opencv/opencv | nlbse2024 |
videoio: add support for Orbbec Femto Mega RGB-D camera
### videoio: add support for Orbbec Femto Mega RGB-D camera
[ About Femto Mega](https://orbbec3d.com/index/Product/info.html?cate=38&id=11)
### New feature
Be able to open the depth and color stream of the Orbbec Femto Mega Camera
### Bug Fix
OBSensor：Fix the p... | feature | opencv/opencv | nlbse2024 |
feat: named arguments handling in Python interface
Named arguments handling back-port from [PR #19156](https://github.com/opencv/opencv/pull/19156) to 4.x branch.
Different arguments and code generation logic is used for easier integration with PR #14590 .
Named arguments mimic normal arguments and reveal their natur... | feature | opencv/opencv | nlbse2024 |
OpenCV 4.7.0 Huawei CANN support error: CANN graph check failed in function ‘compileCannGraph’
### System Information
OpenCV version: 4.7.0
Operating System / Platform: Ubuntu 18.04
Compiler & compiler version: GCC 7.5.0
### Detailed description
I’m testing Huawei Ascend CANN hardware.
The example code is as in [... | feature | opencv/opencv | nlbse2024 |
Cancel prints in roiSelector.cpp
### Descripe the feature and motivation
Hello,
Is it possible to add a boolean argument to the cv2.ROISelector method to prevent the method to print the following messages:
Select a ROI and then press SPACE or ENTER button!
Cancel the selection process by pressing c button!
Thanks !... | feature | opencv/opencv | nlbse2024 |
TFLite models importer
### Pull Request Readiness Checklist
**Merge with:** https://github.com/opencv/opencv_extra/pull/1042
resolves https://github.com/opencv/opencv/issues/13918
#### How to build (tested on Ubuntu 20.04)
```
git clone -b v23.1.21 https://github.com/google/flatbuffers
cmake -S flatbuffers -B fbs_b... | feature | opencv/opencv | nlbse2024 |
OpenCV cannot import ONNX model: Can't create layer "..." of type "Exp"
### System Information
OpenCV => Python opencv-python 4.5.1
Operating System / Platform Windows 10 64 bit
Python =>3.7.11
### Detailed description
I have a Darknet YOLOv4 model that I can use with cv::dnn::readNetFromDarknet. I converted the mo... | feature | opencv/opencv | nlbse2024 |
The Einsum Layer will be supported in the future
### Descripe the feature and motivation
[ERROR:0@2.968] global onnx_importer.cpp:1054 cv::dnn::dnn4_v20221220::ONNXImporter::handleNode DNN/ONNX: ERROR during processing node with 2 inputs and 1 outputs: [Einsum]:(onnx_node!Einsum_155) from domain='ai.onnx
### Additio... | feature | opencv/opencv | nlbse2024 |
Support GraphCutSeamFinder in stitching_detailed.py
### Descripe the feature and motivation
with the release of [OpenCV 4.7](https://github.com/opencv/opencv/releases/tag/4.7.0) this [PR](https://github.com/opencv/opencv/pull/22329) becomes available so we can add
```
SEAM_FIND_CHOICES['gc_color'] = cv.detail_GraphC... | feature | opencv/opencv | nlbse2024 |
A redundant logic in `distanceTransform`.
## Version
OpenCV 4.7.0.
## Issue
https://github.com/opencv/opencv/blob/9208dcb07c015e1fda44e40bb07b43c700b4bf46/modules/imgproc/src/distransform.cpp#L729-L746
```C++
if( need_labels )
{
……
maskSize = CV_DIST_MASK_5;
}
```
The `maskSize` is set to `CV_DIST_MASK_5` `... | feature | opencv/opencv | nlbse2024 |
Replace all instances of CUDA texture references with texture objects
See https://github.com/opencv/opencv_contrib/pull/3378 and https://github.com/opencv/opencv_contrib/issues/3390.
CUDA texture references have now been completley removed in the latest SDK (CUDA 12.0).
If https://github.com/opencv/opencv_contrib/p... | feature | opencv/opencv | nlbse2024 |
VCPKG feature for Intel's Inference Engine
### Descripe the feature and motivation
Hi!
I think actually there is no "feature" to build opencv with Intel's Inference Engine support (OpenVINO, I guess). I don't know if is it there any fast solution from compile opencv from source code with the -DWITH_OPENVINO=ON flag ... | feature | opencv/opencv | nlbse2024 |
videoio: add Orbbec Gemini 2 and Astra 2 camera support
### Pull Request Readiness Checklist
- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [x] The PR is prop... | feature | opencv/opencv | nlbse2024 |
core(logger): strip opencv's modules base path
- Strip path from logger, keep file name only.
- Reverted `CV_Error()` changes. | feature | opencv/opencv | nlbse2024 |
dnn: support ONNX Slice with negative steps by adding and using cv::flipND
Fixes https://github.com/opencv/opencv/issues/22794
Merge with https://github.com/opencv/opencv_extra/pull/1023.
Current workaround for negative steps is computing the forward indexing range for slice and flip at axis with negative step:
> x... | feature | opencv/opencv | nlbse2024 |
Use QR code alignment markers
merge with https://github.com/opencv/opencv_extra/pull/1024
Added detect QR code alignment marker (1 marker for 2-6 versions, 6 markers for 7-40 versions). Alignment marker uses to find the correct position of the fourth corner.
To check the correctness, a benchmark [was launched](https... | feature | opencv/opencv | nlbse2024 |
Depth Encoding FFMPEG 16bit file support
### Descripe the feature and motivation
Depth images typically come as type uint16. I've been looking online, and there is pretty lackluster support for depth video compression, which I think is an extremely important problem. For example, I am a part of a group collecting a l... | feature | opencv/opencv | nlbse2024 |
Now there is no way to control GStreamer drop timeout when ip-camera drops
### Descripe the feature and motivation
I'm using OpenCV with GStreamer, and sometimes my camera can disconnect. And when its happened, i just have program freezing for 20 s. And (maybe i didn't find) there is no way to change that timeout. Si... | feature | opencv/opencv | nlbse2024 |
Batched NMSBoxes
### Descripe the feature and motivation
Batched NMS is especially useful for modern generic object detection postprocessing. Generic object detection has multiple classes, and it is important to perform NMS on each class to give correct results. However, the existing API for NMS in dnn module `NMSBox... | feature | opencv/opencv | nlbse2024 |
DNN: make MatMul support 3D or 4D with broadcast
**Merge with extra:** https://github.com/opencv/opencv_extra/pull/1018
This PR follows the https://github.com/opencv/opencv/pull/22775
The main purpose of this PR is making `MatMul` support the broadcast that the second input has less dimention than the first one. And... | feature | opencv/opencv | nlbse2024 |
OpenCV cannot import ONNX model: (bool)layer in function 'cv::dnn::dnn4_v20220524::runLayer'
### System Information
OpenCV => Python opencv-python-rolling 4.6.0.20221022
Operating System / Platform Windows 10 64 bit
Python =>3.10.4
### Detailed description
I converted the DecoupledSeg from PaddleSeg to ONNX (the ON... | feature | opencv/opencv | nlbse2024 |
core: support CV_Check*() macros with 'bool' parameters
Added support for:
- `CV_Check{EQ,NE}(bool, bool, msg)` (LT,GE,etc variants doesn't makes sense with `bool` and should not be used)
- `CV_CheckTrue(bool_expr_must_be_true, msg)`
- `CV_CheckFalse(bool_expr_must_be_false, msg)`
Also eliminates related build warnin... | feature | opencv/opencv | nlbse2024 |
support Nanotrack in video module
[teset data in opencv_extra](https://github.com/opencv/opencv_extra/pull/1016)
NanoTrack is an extremely lightweight and fast object-tracking model.
The total size is **1.1 MB**.
And the FPS on M1 chip is **150**, on Raspberry Pi 4 is about **30**. (Float32 CPU only)
With this mode... | feature | opencv/opencv | nlbse2024 |
Add support for CAP_PROP_ORIENTATION_AUTO to AVFoundation backend
This is an extension to #15499. I pulled some of the code up, so now it would be somewhat easier to add support for orientation metadata into the other backends as well.
### Pull Request Readiness Checklist
See details at https://github.com/opencv/ope... | feature | opencv/opencv | nlbse2024 |
OpenCV cannot import ONNX model: Can't create layer "..." of type "Tile"
### System Information
OpenCV => Python opencv-python-rolling 4.6.0.20221022
Operating System / Platform Windows 10 64 bit
Python =>3.10.4
### Detailed description
I converted the DANets from PaddleSeg to ONNX:
https://github.com/PaddlePaddl... | feature | opencv/opencv | nlbse2024 |
Create _InputArray/_OutputArray from fixed size array
### Descripe the feature and motivation
I think we could add an extra constructor to `_InputArray`/`_OutputArray` so that it can convert directly from a C++ fixed size array, like this:
```c++
template<typename _Tp, std::size_t _Nm> _InputArray(const _Tp (&vec)[_... | feature | opencv/opencv | nlbse2024 |
cv.LUT is missing in openCv 4.6.0
### Descripe the feature and motivation
Hi,
Thank-you for this awesome js library. There was a use case which involved useing cv.LUT however it is not available as of now. This function is available in openCV c++ and python versions. Requesting you to please add this function in open... | feature | opencv/opencv | nlbse2024 |
stitching_detailed.py: It can not be spliced well , Request help
### Descripe the feature and motivation
stitching_detailed.py: It can not be spliced well , Request help
```
Direction transverse
1.jpg
4500 * 16000
2.jpg
4500 * 16000
3.jpg
4500 * 16000
```
I need to splice, but I can't complete the requirements v... | feature | opencv/opencv | nlbse2024 |
Pass the AVDictionary generated from OPENCV_FFMPEG_CAPTURE_OPTIONS and OPENCV_FFMPEG_WRITER_OPTIONS to avformat_find_stream_info as well to gain access to more ffmpeg options
### Describe the feature and motivation
While working on https://github.com/opencv/opencv/issues/22622 i realized that the environment variable... | feature | opencv/opencv | nlbse2024 |
print a debug message if the environment variables OPENCV_FFMPEG_CAPTURE_OPTIONS and OPENCV_FFMPEG_WRITER_OPTIONS are set
### Descripe the feature and motivation
The environment variables ```OPENCV_FFMPEG_CAPTURE_OPTIONS``` and ```OPENCV_FFMPEG_WRITER_OPTIONS``` potentially have great impact on the internals of the f... | feature | opencv/opencv | nlbse2024 |
DNN: let Quant and Dequant of ONNX_importer support the Constant input.
Merge with extra: [opencv_extra/#1014](https://github.com/opencv/opencv_extra/pull/1014)
For zeropoint and scale can be 1-D tensor, only exists in `Quant`, `Deaunt` and weight of `QLinearConv`. We have supported 1-D tensor case in `QLinearConv`. ... | feature | opencv/opencv | nlbse2024 |
DNN: More stable DB text detection API
**Merge with extra**: https://github.com/opencv/opencv_extra/pull/1011
The followings are the purpose of the PR:
1. Let `blobFromImage` support `Scalar` scale to feed the requirement of Standard Deviation value.
2. more stable DB text detection API, the old post-processing will ... | feature | opencv/opencv | nlbse2024 |
add cvGetPropVisible_COCOA
naive fix for the #22595 issue.
tested 'not visible' behaviour via `cv::waitKey(12345);` and minimising the window during that wait.
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [X] I agree to con... | feature | opencv/opencv | nlbse2024 |
Add bindings to CUDA photo denoising functions
Python bindings were missing from the CUDA photo denoising functions. The function signatures have been updated and python test added to verify their existence.
Are these supposed to be in the main repository?
### Pull Request Readiness Checklist
See details at https:/... | feature | opencv/opencv | nlbse2024 |
DNN: supports Scatter and ScatterND from ONNX
Fixes #22528
Merge with: https://github.com/opencv/opencv_extra/pull/1009
Checklist:
- [x] Scatter impl
- [x] Scatter impl for negative indices
- [x] Test data for Scatter
- [x] ScatterND impl
- [x] ScatterND impl for negative indices
- [x] Test data for ScatterND
- [x]... | feature | opencv/opencv | nlbse2024 |
Color conversion: RGB => NV12 / NV21
Add color conversion for RGB / RGBA / BGR / BGRA to NV12 / NV21.
##### System information (version)
- OpenCV => 4.x
- Operating System / Platform => all
##### Detailed description
There are conversions from NV12 / NV21 to RGB / RGBA / BGR / BGRA / GRAY but not the reverse.
This ... | feature | opencv/opencv | nlbse2024 |
Add H264 / H265 writter support for Android
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a... | feature | opencv/opencv | nlbse2024 |
G-API Expose all core operations to python
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [ ] I agree to contribute to the project under Apache 2 License.
- [ ] To the best of my knowledge, the proposed patch is not based on a ... | feature | opencv/opencv | nlbse2024 |
Add support for V4L2_PIX_FMT_Y16_BE
OpenCV currently only has support for `V4L2_PIX_FMT_Y16` but not for the Big Endian version of this format: `V4L2_PIX_FMT_Y16_BE`.
Would it be possible to add it to [`cap_v4l.cpp`](https://github.com/opencv/opencv/blob/master/modules/videoio/src/cap_v4l.cpp)?
The handling should b... | feature | opencv/opencv | nlbse2024 |
4-bit_palette_color
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or anoth... | feature | opencv/opencv | nlbse2024 |
DNN: support silu activation in darknet
Related issue #22409
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch... | feature | opencv/opencv | nlbse2024 |
add multiview calibration [GSOC 2022]
### Pull Request Readiness Checklist
- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [x] The PR is proposed to the prope... | feature | opencv/opencv | nlbse2024 |
[GSoC] Add more universal intrinsic implementations for RVV.
This is a patch of my GSoC project that the goal is to make the existing Universal Intrinsic compatible with scalable (variable-length) backends.
In #22179, we have already introduce a new framework of universal intrinsic for RISC-V Vector backend and few i... | feature | opencv/opencv | nlbse2024 |
DNN: Add qgemm and squeeze op13 supported on ONNXImporter
[Squeeze node of ONNX](https://github.com/onnx/onnx/blob/main/docs/Operators.md#squeeze) has moved the axes from attribute to input.
[Test Data](https://github.com/opencv/opencv_extra/pull/989)
### Pull Request Readiness Checklist
See details at https://gith... | feature | opencv/opencv | nlbse2024 |
VideoCapture FFMpeg RTSP low fps fixes
When using `VideoCapture` with the FFMpeg backend to stream from an RTSP source at a low frame rate on a machine with a large number of CPU cores, `VideoCapture::read/grab` can fail due to the interrupt timer exceeding `timeout_after_ms`. To try and fix this, this PR adds the `CA... | feature | opencv/opencv | nlbse2024 |
V4L2: Add multi-planar capture support
Devices which only support multi-planar capture cannot be processed as
single-planar.
Add multi-planar support to v4l driver.
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [x] I agree t... | feature | opencv/opencv | nlbse2024 |
DNN: Reduce Layer (add dynamic batch and ReduceSum support)
Related ReduceSum issue #22195
Related Dynamic Batch of Reduce Layer issue #22086
In this PR, we supported two input of `ReduceSum layer` and dynamic batch size in `Reduce Layer` of `ONNX_importer.cpp`.
[Regression test](https://github.com/opencv/opencv_ext... | feature | opencv/opencv | nlbse2024 |
videoio: add support for obsensor (Orbbec RGB-D Camera )
# VideoCapture for OBSensor
OBSensor is Orbbec's new generation RGB-D camera brand, based on UVC protocol. The purpose is to let OpenCV read RGB and depth data from Orbbec RGB-D Camera via UVC protocol, rather than relying on the 3rdparty library (like OpenNI). ... | feature | opencv/opencv | nlbse2024 |
CUDA: add support for Orin GPU
### Pull Request Readiness Checklist
reference: https://forums.developer.nvidia.com/t/what-is-the-compute-capability-for-the-orion-update-your-page/211447
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [x] I agree to contribute to t... | feature | opencv/opencv | nlbse2024 |
Add zoom factor to interactive calibration tool
Can be useful when the screen is smaller than the image from camera.
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [X] I agree to contribute to the project under Apache 2 Licens... | feature | opencv/opencv | nlbse2024 |
HOGDescriptor
resolves https://github.com/opencv/opencv/issues/22129
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the propos... | feature | opencv/opencv | nlbse2024 |
highgui Wayland xdg_shell
-enable using -DWITH_WAYLAND=ON
-adapted from https://github.com/pfpacket/opencv-wayland
-using stable protocol
-overrides HAVE_QT if HAVE_WAYLAND and WITH_WAYLAND are set
Signed-off-by: Joel Winarske <joel.winarske@gmail.com>
### Pull Request Readiness Checklist
See details at https://git... | feature | opencv/opencv | nlbse2024 |
Save Frames option for interactive calibration tool
The option to save all frames that contribute to final calibration result.
Useful for dataset collection and further offline tuning.
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-reque... | feature | opencv/opencv | nlbse2024 |
imgcodecs: jpeg: add IMWRITE_JPEG_SAMPLING_FACTOR parameter
fix https://github.com/opencv/opencv/issues/22052
This merge request contains sample and test program.
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [ ] I agree to ... | feature | opencv/opencv | nlbse2024 |
Consider video meta on GStreamer video capture
Some GStreamer elements may produce buffers with very non
standard strides, offsets and/or even transport each plane
in different, non-contiguous pointers. This non-standard
layout is communicated via GstVideoMeta structures attached
to the buffers. Given this, when a Gst... | feature | opencv/opencv | nlbse2024 |
OpenCV fails to import ONNX model
##### System information (version)
- OpenCV => 4.5.5
- Operating System / Platform => Windows 10 64 bit
- Compiler => Python 3.10.4
- Installed packages:
> numpy 1.22.3
>opencv-contrib-python 4.5.5.64
>pip 22.0.4
>setuptools 58.1.0
##### Detailed description
When running the demo.py ... | feature | opencv/opencv | nlbse2024 |
support use memory buffer as input to read multi-page image
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch i... | feature | opencv/opencv | nlbse2024 |
added blob contours to blob detector
This PR adds an option to collect blob contours during blob detection (SimpleBlobDetector).
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [X] I agree to contribute to the project under Apa... | feature | opencv/opencv | nlbse2024 |
Reimplementation of Element-wise layers with broadcasting support
This version supports element-wise n-ary operations on k-dimensional tensors with broadcast-compatible shapes.
=== **Update by** @fengyuentau ===
ONNX operators that needs broadcasting: https://github.com/onnx/onnx/blob/main/docs/Broadcasting.md
Bench... | feature | opencv/opencv | nlbse2024 |
DNN: Add sign, shrink and reciprocal for onnx_impoter
Add `sign`, `shrink` and `reciprocal` for `onnx_importer.cpp`.
Implemented with OpenCV, CUDA, and OpenCL backend.
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [x] I agree... | feature | opencv/opencv | nlbse2024 |
python binding for matches and inliers_mask attributes of cv2.detail_MatchesInfo class
In respect to the issue #21364, the pull request makes **matches** and **inliers_mask** attributes of the **cv2.detail_MatchesInfo** class accessible from python interface. By this way, developers could be able to make changes on th... | feature | opencv/opencv | nlbse2024 |
videoio: initial FFmpeg 5.0 support
resolves #20147
closes #21766
<cut/>
_FFmpeg@n5.0_ (debug)
```.sh
./configure \\
--enable-shared --disable-static --enable-pic --enable-gpl --enable-nonfree \\
--enable-libxvid --enable-libx264 --enable-swresample \\
--prefix=/home/user/ffmpeg/install \\
--enable-debug=3 --dis... | feature | opencv/opencv | nlbse2024 |
add Gather implementation
**Merge with extra:** https://github.com/opencv/opencv_extra/pull/1007
Should resolve #20439, resolve #19957
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [X] I agree to contribute to the project und... | feature | opencv/opencv | nlbse2024 |
Add n-dimensional transpose to core
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [X] I agree to contribute to the project under Apache 2 License.
- [X] To the best of my knowledge, the proposed patch is not based on a code un... | feature | opencv/opencv | nlbse2024 |
TIFFDecoder does not support 12 bits (integer)
OpenCV 4.5
As of OpenCV 4.5, the TIFFDecoder does not support 12 bits (integer).
It looks like a deliberate choice since decoding 8 and 16 are supported with optimized icv conversion functions.
Would it be accepted to add a "slow" unpacking step for non-standard bit dep... | feature | opencv/opencv | nlbse2024 |
G-API: VPP preprocessing GIEBackend integration
Integration of VPP preprocessing into GIEBackend. This PR had done in term of https://github.com/opencv/opencv/pull/21554 PR.
InferROI is supported only
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a... | feature | opencv/opencv | nlbse2024 |
G-API: Added reshape() functionality to CPU backend
### Summary
* Added reshape functionality to CPU backend
* Fixed fluid heterogeneous reshape
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [x] I agree to contribute to the ... | feature | opencv/opencv | nlbse2024 |
Added NEON support in builds for Windows on ARM
Since ~Visual Studio 16.11~ Visual Studio 2022 (17.0), the data types (e.g. `int32x4_t`) used by ARM NEON instructions are now defined, so the blocking of NEON support in builds for Windows on ARM has been resolved.
- `_ARM64_DISTINCT_NEON_TYPES` preprocessor
- [ARM64 v... | feature | opencv/opencv | nlbse2024 |
Issues 21537
The patch will try to use 15 bits / channel to generate 16 bits / channel panoramas.
<cut/>
Example of input files:
:
OCL copyTo: for dims <= 3, there is `clEnqueueCopyBufferRect`, that runs in 1ms and can work on strided data, but higher dimensions are not supported.
OCL memcpy: 22ms
CPU copyTo: 36ms
CPU memcpy: 20ms
CUDA ... | feature | opencv/opencv | nlbse2024 |
Adapt remote inference to operate with NV12 blobs
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not base... | feature | opencv/opencv | nlbse2024 |
is there a way to narrow down the amount of information that goes to the member info tooltip of intellisense?
Namely, is there a way to opt out from seeing:
- union/intersection type constituens
- members of a type alias referring to an anonymous product type?
 and update. Issues ... | support | youtube-dl | victor-betus |
Feature Request: CornerRadius on Cursor Shape
# Summary of the new feature/enhancement
When setting the cursor shape to **filledBox** or **vintage**, it would be nice if you could round the corners of that shape.
# Proposed technical implementation details (optional)
If the cursor is drawn from a shape, then you co... | support | terminal | victor-betus |
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