{"id":20162308,"url":"https://github.com/mongshil553/computer-vision-without-opencv","last_synced_at":"2025-10-30T03:07:46.627Z","repository":{"id":248122947,"uuid":"822671119","full_name":"mongshil553/Computer-Vision-Without-OpenCV","owner":"mongshil553","description":"Fundamental Computer Vision using C++ without OpenCV","archived":false,"fork":false,"pushed_at":"2024-07-12T16:39:11.000Z","size":27,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-03-03T02:44:44.601Z","etag":null,"topics":["boundary-extraction","histogram-equalization","histogram-matching","hough-transform","labeling","linear-luminance-contrast-transform","morphology","rgb2hsl"],"latest_commit_sha":null,"homepage":"","language":"C++","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/mongshil553.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2024-07-01T15:21:19.000Z","updated_at":"2024-07-13T06:33:14.000Z","dependencies_parsed_at":"2024-11-14T00:25:36.324Z","dependency_job_id":"b5f690a3-39e0-445e-b43f-06388160c05e","html_url":"https://github.com/mongshil553/Computer-Vision-Without-OpenCV","commit_stats":null,"previous_names":["mongshil553/computer-vision-using-qt"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/mongshil553/Computer-Vision-Without-OpenCV","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mongshil553%2FComputer-Vision-Without-OpenCV","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mongshil553%2FComputer-Vision-Without-OpenCV/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mongshil553%2FComputer-Vision-Without-OpenCV/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mongshil553%2FComputer-Vision-Without-OpenCV/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/mongshil553","download_url":"https://codeload.github.com/mongshil553/Computer-Vision-Without-OpenCV/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mongshil553%2FComputer-Vision-Without-OpenCV/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":278391191,"owners_count":25978944,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","status":"online","status_checked_at":"2025-10-04T02:00:05.491Z","response_time":63,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["boundary-extraction","histogram-equalization","histogram-matching","hough-transform","labeling","linear-luminance-contrast-transform","morphology","rgb2hsl"],"created_at":"2024-11-14T00:24:18.060Z","updated_at":"2025-10-04T23:50:21.839Z","avatar_url":"https://github.com/mongshil553.png","language":"C++","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Fundamental Computer Vision Using QT\nThis repository is about Fundamental Computer Vision Techniques without using OpenCV. Source codes are not fully open.\n\n\u003chr\u003e\n\u003ch2\u003eConversion from RGB to HSI and NRG\u003c/h2\u003e\nRGB to HSI: \u003cbr\u003e\n\u003cimg src = \"https://github.com/user-attachments/assets/b998db30-872a-446f-b7d1-9f2a8d78f5a5\" width=\"80%\" height=\"80%\" title=\"RGB2HSI\"\u003e\n\nRGB to NRG: \u003cbr\u003e\n\u003cimg src = \"https://github.com/user-attachments/assets/9f5bb815-8d0f-4f10-a235-0ddd717b5195\" width=\"80%\" height=\"80%\" title=\"RGB2NRG\"\u003e\n\n\u003chr\u003e\n\u003ch2\u003eLinear Luminance Contrast Transform\u003c/h2\u003e\n\u003cimg src = \"https://github.com/user-attachments/assets/da079eb2-d9fd-4ade-98d0-be73b25dff96\" width=\"80%\" height=\"80%\" title=\"i)\"\u003e\n\u003cimg src = \"https://github.com/user-attachments/assets/9e7456cb-67a4-4e26-82e8-d7a21c94bab3\" width=\"80%\" height=\"80%\" title=\"ii)\"\u003e\n\n\u003chr\u003e\n\u003ch2\u003eDilation, Erosion Morphology\u003c/h2\u003e\nAfter obtaining binary image through Otsu Thresholding, running dilation, erosion morphology results as the following: \u003cbr\u003e\u003cbr\u003e\n\u003cimg src = \"https://github.com/user-attachments/assets/040a2268-f962-4ae0-94f1-4817a4b4a00e\" width=\"80%\" height=\"80%\" title=\"Morphology\"\u003e\n\n\u003chr\u003e\n\u003ch2\u003eLabeling\u003c/h2\u003e\nAfter obtaining binary image through Otsu Thresholding, 4-neighbor and 8-neighbor labeling with different size mask results as the following: \u003cbr\u003e\u003cbr\u003e\n\u003cimg src = \"https://github.com/user-attachments/assets/6422f1af-e05e-476c-90f1-d3b917c0f1c9\" width=\"80%\" height=\"80%\" title=\"Dilation Labeling\"\u003e\n\u003cimg src = \"https://github.com/user-attachments/assets/d550439e-272f-469b-ab55-a85931f7a4ae\" width=\"80%\" height=\"80%\" title=\"Erosion Labeling\"\u003e\n\n\u003chr\u003e\n\u003ch2\u003eOpening, Closing Operation\u003c/h2\u003e\n\u003cimg src = \"https://github.com/user-attachments/assets/ed458ebf-07c9-422e-abcc-c5fd07b9d3af\" width=\"80%\" height=\"80%\" title=\"Operation\"\u003e\n\n\u003chr\u003e\n\u003ch2\u003eBoundary Extraction\u003c/h2\u003e\n\u003cimg src = \"https://github.com/user-attachments/assets/c0917c89-c941-4803-bbc4-a8e4752eb77c\" width=\"80%\" height=\"80%\" title=\"Boundary Extraction\"\u003e\n\n\u003chr\u003e\n\u003ch2\u003eHistogram Equalization\u003c/h2\u003e\n\u003cimg src = \"https://github.com/user-attachments/assets/5cfdacf2-d452-417e-9517-a40b37217081\" width=\"80%\" height=\"80%\" title=\"Histogram Equalization\"\u003e\n\n\u003chr\u003e\n\u003ch2\u003eHistogram Matching\u003c/h2\u003e\n\u003cimg src = \"https://github.com/user-attachments/assets/a34b565d-ac3f-4786-b1b4-8f4995c6dbf8\" width=\"80%\" height=\"80%\" title=\"i)\"\u003e\n\u003cimg src = \"https://github.com/user-attachments/assets/2657507e-2624-4aa8-8ee1-34f0a69f8be1\" width=\"80%\" height=\"80%\" title=\"ii)\"\u003e\n\n\u003chr\u003e\n\u003ch2\u003eHough Transform\u003c/h2\u003e\n\u003cimg src = \"https://github.com/user-attachments/assets/b74513f2-636c-400d-9696-f638f8b7d338\" width=\"80%\" height=\"80%\" title=\"Circle Hough\"\u003e\n\u003cimg src = \"https://github.com/user-attachments/assets/582fabd2-4d8e-41e0-94e8-4e601582346d\" width=\"80%\" height=\"80%\" title=\"Generalized Hough\"\u003e\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmongshil553%2Fcomputer-vision-without-opencv","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmongshil553%2Fcomputer-vision-without-opencv","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmongshil553%2Fcomputer-vision-without-opencv/lists"}