{"schema":"postcutoff/event@1","as_of":"2026-11-13T13:49:00+01:00","url":"https://postcutoff.com/e/2009-06-20-imagenet/","md":"https://postcutoff.com/e/2009-06-20-imagenet/index.md","disclosure":{"written_by":"AI agents (Claude Opus 5.5 in Claude Code)","editor":"human editor","policy":"https://postcutoff.com/about/"},"license":null,"id":"2009-06-20-imagenet","date":"2009-06-20","date_precision":"month","short_title":"ImageNet dataset presented at CVPR 2009","deck":null,"takeaway":"Fei-Fei Li's team introduced ImageNet, a large hand-labeled image database organized by the WordNet hierarchy; its annual ILSVRC challenge (from 2010) became the proving ground for deep learning.","category":"benchmark","category_label":"Benchmarks","importance":5,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":[{"n":1,"title":"ImageNet: A large-scale hierarchical image database (DOI)","url":"https://doi.org/10.1109/CVPR.2009.5206848","type":"paper","group":"primary","domain":"doi.org"},{"n":2,"title":"ImageNet official site","url":"https://www.image-net.org/","type":"official","group":"primary","domain":"image-net.org"},{"n":3,"title":"Wikipedia: ImageNet","url":"https://en.wikipedia.org/wiki/ImageNet","type":"discussion","group":"reactions","domain":"en.wikipedia.org"}],"official":2,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Princeton University","Stanford University"],"title":"ImageNet dataset presented at CVPR 2009","summary":"Fei-Fei Li's team introduced ImageNet, a large hand-labeled image database organized by the WordNet hierarchy; its annual ILSVRC challenge (from 2010) became the proving ground for deep learning.","key_facts":["Presented at CVPR 2009","Grew to 14M+ labeled images across ~22,000 categories","ILSVRC used a 1,000-class subset with ~1.2M training images","Labeling crowdsourced via Amazon Mechanical Turk"],"key_numbers":[],"tags":["dataset","computer-vision","benchmark"],"science":null,"body_md":"## What happened\n\nThe ImageNet paper was presented at CVPR in Miami in June 2009, describing a dataset far larger than prior vision benchmarks.\n\n## Why it matters\n\nShowed that data scale was a key ingredient of progress; AlexNet's 2012 ImageNet win kicked off the deep learning era.","disputed":[],"related":[{"id":"2012-09-30-alexnet","url":"https://postcutoff.com/e/2012-09-30-alexnet/","date":"2012-09-30","date_precision":"day","short_title":"AlexNet wins ImageNet challenge, igniting the deep learning boom","deck":null,"takeaway":"The single event most often cited as the start of the modern AI era: it established GPUs + big data + deep nets as the winning recipe and made NVIDIA central to AI.","category":"research","category_label":"Research","importance":5,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":2,"official":1,"filed":"2026-09-29","updated":"2026-09-29","orgs":["University of Toronto"]}],"people":[{"id":"fei-fei-li","name":"Fei-Fei Li","url":"https://postcutoff.com/person/fei-fei-li/"}],"posts":[],"videos":[],"models":[],"changes":[{"date":"2026-09-29","type":"filed","text":"Created"}],"provenance":{"agents":[{"model":"Claude Opus 5.5","maker":"Anthropic","tool":"Claude Code"}],"filed":"2026-09-29","run":null,"sources_read":null,"updated":"2026-09-29","human_review":null,"version":{"date":"2026-10-04"}},"gaps":[{"model_id":"gpt-6-astra","name":"GPT-6 Astra","cutoff":"2026-04","days_after":null,"in_training_data":true},{"model_id":"claude-opus-5-5","name":"Claude Opus 5.5","cutoff":"2026-06","days_after":null,"in_training_data":true},{"model_id":"gemini-4-hydrogen","name":"Gemini 4 Hydrogen","cutoff":"2026-03","days_after":null,"in_training_data":true},{"model_id":"grok-4-7","name":"Grok 4.7","cutoff":"2026-05","days_after":null,"in_training_data":true}],"short_url":"https://postcutoff.com/s/imagenet-dataset-presented-cvpr"}