Open Source Computer Vision Library https://opencv.org/

You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

Tag: Branch: Tree: 3c712cf77d

2.4

3.4

4.x

5.x

master

next

2.2

2.3.0

2.3.1

2.4.0

2.4.1

2.4.10

2.4.10.1

2.4.10.2

2.4.10.3

2.4.10.4

2.4.11

2.4.12

2.4.12.1

2.4.12.2

2.4.12.3

2.4.13

2.4.13.1

2.4.13.2

2.4.13.3

2.4.13.4

2.4.13.5

2.4.13.6

2.4.13.7

2.4.2

2.4.3

2.4.3-rc

2.4.3.1

2.4.3.2

2.4.4

2.4.4-beta

2.4.5

2.4.6

2.4.6.1

2.4.6.2

2.4.6.2-rc1

2.4.6.2r2

2.4.6.2r3

2.4.7

2.4.7-rc1

2.4.7.1

2.4.7.2

2.4.8

2.4.8.1

2.4.8.2

2.4.8.3

2.4.9

2.4.9.1

3.0-ocl-tech-preview

3.0-ocl-tp2

3.0.0

3.0.0-alpha

3.0.0-beta

3.0.0-rc1

3.1.0

3.2.0

3.2.0-rc

3.3.0

3.3.0-cvsdk

3.3.0-rc

3.3.1

3.3.1-cvsdk

3.4.0

3.4.0-rc

3.4.1

3.4.1-cvsdk

3.4.10

3.4.11

3.4.12

3.4.13

3.4.14

3.4.15

3.4.16

3.4.17

3.4.18

3.4.19

3.4.2

3.4.2-openvino

3.4.20

3.4.3

3.4.3-openvino

3.4.4

3.4.5

3.4.6

3.4.7

3.4.8

3.4.9

4.0.0

4.0.0-alpha

4.0.0-beta

4.0.0-openvino

4.0.0-rc

4.0.1

4.0.1-openvino

4.1.0

4.1.0-openvino

4.1.1

4.1.1-openvino

4.1.2

4.1.2-openvino

4.10.0

4.10.0-kleidicv

4.2.0

4.2.0-openvino

4.3.0

4.3.0-openvino

4.3.0-openvino-2020.3.0

4.4.0

4.4.0-openvino

4.5.0

4.5.0-openvino

4.5.1

4.5.1-openvino

4.5.2

4.5.2-openvino

4.5.3

4.5.3-openvino

4.5.3-openvino-2021.4.1

4.5.3-openvino-2021.4.2

4.5.4

4.5.5

4.5.5-openvino-2022.1.0

4.6.0

4.7.0

4.8.0

4.8.1

4.9.0

Branches Tags

${ item.name }

Create tag ${ searchTerm }

Create branch ${ searchTerm }

from '3c712cf77d'

${ noResults }

opencv/modules/imgproc/misc

History

Dmitry Kurtaev d752bac43f Merge pull request #24234 from dkurt:distanceTransform_max_dist ... Change max distance at distanceTransform #24234 ### Pull Request Readiness Checklist resolves https://github.com/opencv/opencv/issues/23895 related: https://github.com/opencv/opencv/pull/12278 * DIST_MASK_3 and DIST_MASK_5 maximal distance increased from 8192 to 65533 +/- 1 * Fix squares processing at DIST_MASK_PRECISE * - [ ] TODO: Check with IPP ```cpp cv::Mat gray = cv::imread("opencv/samples/data/stuff.jpg", cv::ImreadModes::IMREAD_GRAYSCALE); cv::Mat gray_resize; cv::resize(gray, gray_resize, cv::Size(70000,70000), 0.0, 0.0, cv::INTER_LINEAR); gray_resize = gray_resize >= 100; cv::Mat dist; cv::distanceTransform(gray_resize, dist, cv::DIST_L2, cv::DIST_MASK_5, CV_32F); double minVal, maxVal; minMaxLoc(dist, &minVal, &maxVal); dist = 255 * (dist - minVal) / (maxVal - minVal); std::cout << minVal << " " << maxVal << std::endl; cv::Mat dist_resize; cv::resize(dist, dist_resize, cv::Size(1024,1024), 0.0, 0.0, cv::INTER_LINEAR); cv::String outfilePath = "test_mask_5.png"; cv::imwrite(outfilePath, dist_resize); ``` mask | 4.x | PR | ----------|--------------|-------------- DIST_MASK_3 | <img src="https://github.com/opencv/opencv/assets/25801568/23e5de76-a8ba-4eb8-ab03-fa55672834be" width="128"> | <img src="https://github.com/opencv/opencv/assets/25801568/e1149f6a-49d6-47bd-a2a8-20bb7e4dafa4" width="128"> | DIST_MASK_5 | <img src="https://github.com/opencv/opencv/assets/25801568/98aba29b-8865-4b9a-8066-669b16d175c9" width="128"> | <img src="https://github.com/opencv/opencv/assets/25801568/54f62ed2-9ef6-485f-bd63-48cc96accd7d" width="128"> | DIST_MASK_PRECISE | <img src="https://github.com/opencv/opencv/assets/25801568/c4d79451-fd7a-461f-98fc-13060c63f473" width="128"> | <img src="https://github.com/opencv/opencv/assets/25801568/b5bfcaf5-bc48-40ba-b8e3-d000e5ab48db" width="128">| 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 another license that is incompatible with OpenCV - [x] The PR is proposed to the proper branch - [x] There is a reference to the original bug report and related work - [x] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [x] The feature is well documented and sample code can be built with the project CMake		1 year ago
..
java	Merge pull request #24234 from dkurt:distanceTransform_max_dist	1 year ago
objc	Merge pull request #19423 from LaurentBerger:houg_acc	4 years ago