{"id":35154,"date":"2025-08-24T20:27:08","date_gmt":"2025-08-24T18:27:08","guid":{"rendered":"https:\/\/www.graviton.at\/letterswaplibrary\/request-looking-for-datasets-of-2d-point-sequences-for-shape-approximation\/"},"modified":"2025-08-24T20:27:08","modified_gmt":"2025-08-24T18:27:08","slug":"request-looking-for-datasets-of-2d-point-sequences-for-shape-approximation","status":"publish","type":"post","link":"https:\/\/www.graviton.at\/letterswaplibrary\/request-looking-for-datasets-of-2d-point-sequences-for-shape-approximation\/","title":{"rendered":"[Request] Looking For Datasets Of 2D Point Sequences For Shape Approximation"},"content":{"rendered":"<p><!-- SC_OFF --><\/p>\n<div class=\"md\">\n<p>I\u2019ve been working on a library that approximates geometric shapes (circle, ellipse, triangle, square, pentagon, hexagon, oriented bounding box) from a sequence of 2D points. <\/p>\n<ul>\n<li>Given a list of (x, y) points, it tries to fit the best-matching shape.<\/li>\n<li>Example use case: hand-drawn sketches, geometric recognition, shape fitting in graphics\/vision tasks.<\/li>\n<\/ul>\n<p>I\u2019d like to test and improve the library using real-world or benchmark datasets. Ideally something like: <\/p>\n<ul>\n<li>Point sequences or stroke data (like hand-drawn shapes).<\/li>\n<li>Annotated datasets where the intended shape is known.<\/li>\n<li>Noisy samples that simulate real drawing or sensor data.<\/li>\n<\/ul>\n<p>Library for context: <a href=\"https:\/\/github.com\/sarimmehdi\/Compose-Shape-Fitter\">https:\/\/github.com\/sarimmehdi\/Compose-Shape-Fitter<\/a><\/p>\n<p>Does anyone know of existing datasets I could use for this? <\/p>\n<\/div>\n<p><!-- SC_ON -->   submitted by   <a href=\"https:\/\/www.reddit.com\/user\/zimmer550king\"> \/u\/zimmer550king <\/a> <br \/> <span><a href=\"https:\/\/www.reddit.com\/r\/datasets\/comments\/1mz2m24\/request_looking_for_datasets_of_2d_point\/\">[link]<\/a><\/span>   <span><a href=\"https:\/\/www.reddit.com\/r\/datasets\/comments\/1mz2m24\/request_looking_for_datasets_of_2d_point\/\">[comments]<\/a><\/span><\/p><div class='watch-action'><div class='watch-position align-right'><div class='action-like'><a class='lbg-style1 like-35154 jlk' href='javascript:void(0)' data-task='like' data-post_id='35154' data-nonce='65e0e39b87' rel='nofollow'><img class='wti-pixel' src='https:\/\/www.graviton.at\/letterswaplibrary\/wp-content\/plugins\/wti-like-post\/images\/pixel.gif' title='Like' \/><span class='lc-35154 lc'>0<\/span><\/a><\/div><\/div> <div class='status-35154 status align-right'><\/div><\/div><div class='wti-clear'><\/div>","protected":false},"excerpt":{"rendered":"<p>I\u2019ve been working on a library that approximates geometric shapes (circle, ellipse, triangle, square, pentagon, hexagon, oriented&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[85],"tags":[],"class_list":["post-35154","post","type-post","status-publish","format-standard","hentry","category-datatards","wpcat-85-id"],"_links":{"self":[{"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/posts\/35154","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/comments?post=35154"}],"version-history":[{"count":0,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/posts\/35154\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/media?parent=35154"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/categories?post=35154"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/tags?post=35154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}