{"id":18611241,"url":"https://github.com/alexkch/scalable-imagevocab-tree","last_synced_at":"2026-07-22T02:05:52.946Z","repository":{"id":93251376,"uuid":"115350566","full_name":"alexkch/Scalable-ImageVocab-Tree","owner":"alexkch","description":"Image matching on DVDs using scalable vocabulary trees","archived":false,"fork":false,"pushed_at":"2018-04-07T23:02:21.000Z","size":37006,"stargazers_count":1,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-05-16T23:12:25.261Z","etag":null,"topics":["image-processing","matlab","sift","vocabulary-tree"],"latest_commit_sha":null,"homepage":"","language":"Matlab","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/alexkch.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,"zenodo":null}},"created_at":"2017-12-25T16:26:22.000Z","updated_at":"2021-01-07T09:30:55.000Z","dependencies_parsed_at":null,"dependency_job_id":"e322ebfd-f828-4584-8f28-f94cac0b6ae8","html_url":"https://github.com/alexkch/Scalable-ImageVocab-Tree","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/alexkch/Scalable-ImageVocab-Tree","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/alexkch%2FScalable-ImageVocab-Tree","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/alexkch%2FScalable-ImageVocab-Tree/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/alexkch%2FScalable-ImageVocab-Tree/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/alexkch%2FScalable-ImageVocab-Tree/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/alexkch","download_url":"https://codeload.github.com/alexkch/Scalable-ImageVocab-Tree/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/alexkch%2FScalable-ImageVocab-Tree/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":279013517,"owners_count":26085368,"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":"2025-10-13T02:00:06.723Z","response_time":61,"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":["image-processing","matlab","sift","vocabulary-tree"],"created_at":"2024-11-07T03:13:23.251Z","updated_at":"2025-10-13T03:43:21.642Z","avatar_url":"https://github.com/alexkch.png","language":"Matlab","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Scalable-ImageVocab-Tree\nby: Alex Chang\n\nScalable Image Vocabulary Tree\nImplementing [1] using Stanford Mobile Visual Search imageset [2] as test and training dataset\n\n[1] implementation details:\n\n(a) Keypoint detection\n(b) Keypoint description with rotation and scale in-variance\n(c) Building and using the vocabulary tree (i.e. quantization)\n(d) Hierarchical scoring\n(e) Retrieval\n\nSTEP 1: For a test image, retrieve top 10 matches (DVD cover images from the database) returned\nvia the implemented approach. \n\nThen... using RANSAC:\nSTEP 2: Compute a homography with your implementation\nfrom above for each retrieved DVD cover image and the test image.\nSTEP 3: Find the DVD cover image from (4) with the highest number of inliers. Plot the test\nimage with the localized DVD cover as well as the best retrieved DVD cover\n\nReference:\n\n[1] Nister, Stewenius, Scalable Recognition with a Vocabulary Tree, CVPR 2006, \nhttp://www-inst.eecs.berkeley.edu/~cs294-6/fa06/papers/nister_stewenius_cvpr2006.pdf\n\n[2] https://sites.google.com/site/chenmodavid/datasets\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Falexkch%2Fscalable-imagevocab-tree","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Falexkch%2Fscalable-imagevocab-tree","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Falexkch%2Fscalable-imagevocab-tree/lists"}