Top all-time · #16098
Tom Lynch
Personal blog · tglyn.ch/blog · on HN as tomglynchprogrammingdata
Tom Lynch's personal blog at tglyn.ch covers programming and data. Since 2021, 4 different Hacker News readers have linked it 9 times, most often “Who won the Amstel Gold Race? Human error in photo-finishes”. No feed was found, so read it on the site itself.
Too few sampled comments (3) to say how often HN recommends it.?
Why HN links it
HN readers link Tom Lynch's posts on photo-finish cameras, which work out who won close races such as the Amstel Gold Race from the finish photos and camera placement.
Summarised by Claude from a sample of 3 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
Most-linked posts?
- Who won the Amstel Gold Race? Human error in photo-finishes2 people · 2 mentions · first linked 2021-04-28
What Hacker News says?
Had a couple of pieces on my blog already feature on HN http://tglyn.ch/ Though I think some articles may need an update due to dead video links
Comment linking /
on “Ask HN: Share your personal site”Submitted Who won the Amstel Gold Race? Human error in photo-finishes as a story · 504 points
HN discussionI think this photo pretty clearly shows the winner: https://www.tglyn.ch/blog/images/amstel_barrier_closer.png The left bike is on the white paint while the right is not. Clear that the left one is slightly ahead of the right
Comment linking /blog/images/amstel_barrier_closer.png
on “Who won the Amstel Gold Race? Human error in photo-finishes”Submitted Show HN: I Cut GitHub Notification Noise by over 90% Using Gmail Filters as a story · 4 points
HN discussionI assume the finish line should correspond to the scaffolding above the road that sports "Finish". https://www.tglyn.ch/blog/images/amstel_photofinish_camera_p... The computation by the author of the article indeed confirms this: https://www.tglyn.ch/blog/images/amstel_approx_line.png My point is that it is the painted line that was not correctly placed rather than the camera.
Comment linking /blog/images/amstel_approx_line.png
on “Who won the Amstel Gold Race? Human error in photo-finishes”OP here. I think the spoke movement is probably the most likely to be able to work out who reached the actual finish first. That is based on the spoke patterns in this image: http://tglyn.ch/blog/images/amstel_Finishphoto_AGR21.png The curve of the spokes should mean we can determine the distance the rider has traveled after the photo-finish camera. I cover my other ideas in the 'Further research required section' a…
Comment linking /blog/images/amstel_Finishphoto_AGR21.png
on “Who won the Amstel Gold Race? Human error in photo-finishes”Well, camera placement matters in the obvious way: it has to be on the finish "line". Where "line" is really a plane extending vertically from the line drawn on the surface. I vaguely remember an article about a bike race photo finish that showed that this is not a given and reverse engineered where the camera was pointing (based on background) and who the likely winner was. edit: found it https://www.tglyn.ch/blog/…
Comment linking /blog/amstel_gold/
on “The Nascar Camera Tech Behind a Historic 0.001s Photo Finish”https://www.tglyn.ch/ - here's mine. I've had a post make it to number 2 on HN
Comment linking /
on “Ask HN: Could you share your personal website here?”
