![\"\"](\"https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F4373580%2F7ffff092d2c95f1d7edc98158fc79704%2FCaptura%20de%20pantalla%202026-02-10%20153252.png?generation=1770759250029138&alt=media\")
Hi all! I am happy with the enthusiasm the community has shown for our competition. We have launched the next iteration. We want to compare top-performing methods with and without background information. Please join. Your contribution is valuable!
\nhttps://www.kaggle.com/competitions/round-2-jaguar-reidentification-challenge
", "messages": [ { "id": "3399940", "postDate": "01/31/2026 15:00:15", "content": "Hi all! I am happy with the enthusiasm the community has shown for our competition. We have launched the next iteration. We want to compare top-performing methods with and without background information. Please join. Your contribution is valuable!
\nhttps://www.kaggle.com/competitions/round-2-jaguar-reidentification-challenge
", "rawMarkdown": "Hi all! I am happy with the enthusiasm the community has shown for our competition. We have launched the next iteration. We want to compare top-performing methods with and without background information. Please join. Your contribution is valuable!\n\nhttps://www.kaggle.com/competitions/round-2-jaguar-reidentification-challenge", "votes": null }, { "id": "3399985", "postDate": "01/31/2026 16:39:06", "content": "Hey congrats! did this solved the label leakage we had in the current competition?
", "rawMarkdown": "Hey congrats! did this solved the label leakage we had in the current competition?", "votes": null }, { "id": "3401705", "postDate": "02/04/2026 10:58:25", "content": "I encourage you to test it.
", "rawMarkdown": "I encourage you to test it.", "votes": null }, { "id": "3402215", "postDate": "02/05/2026 13:26:54", "content": "Hey, as a feline fan this is an interesting competetion to apply my knowledge and learn something new. My question is: What are the differences between both iterations, only the images? Is the second the only valid one or will both be run at the same time?
", "rawMarkdown": "Hey, as a feline fan this is an interesting competetion to apply my knowledge and learn something new. My question is: What are the differences between both iterations, only the images? Is the second the only valid one or will both be run at the same time?", "votes": null }, { "id": "3403094", "postDate": "02/07/2026 15:35:27", "content": "Thanks for your interest! Both competitions run at the same time. In the second round, the background is removed from all test images. This serves as a benchmark to tell how likely are models to rely on the background information.
", "rawMarkdown": "Thanks for your interest! Both competitions run at the same time. In the second round, the background is removed from all test images. This serves as a benchmark to tell how likely are models to rely on the background information.", "votes": null }, { "id": "3404636", "postDate": "02/10/2026 21:34:46", "content": "Very happy to announce its gone! Congratulations on that
Hey congrats! did this solved the label leakage we had in the current competition?
", "votes": null, "replies": [ { "id": 3401705, "author_name": "andandand", "author_url": "", "post_date": "02/04/2026 10:58:25", "content": "I encourage you to test it.
", "votes": null, "replies": [ { "id": 3404636, "author_name": "elcientfico", "author_url": "", "post_date": "02/10/2026 21:34:46", "content": "Very happy to announce its gone! Congratulations on that
Hey, as a feline fan this is an interesting competetion to apply my knowledge and learn something new. My question is: What are the differences between both iterations, only the images? Is the second the only valid one or will both be run at the same time?
", "votes": null, "replies": [ { "id": 3403094, "author_name": "andandand", "author_url": "", "post_date": "02/07/2026 15:35:27", "content": "Thanks for your interest! Both competitions run at the same time. In the second round, the background is removed from all test images. This serves as a benchmark to tell how likely are models to rely on the background information.
", "votes": null, "replies": [] } ] } ], "raw_markdown_by_id": { "3399940": "Hi all! I am happy with the enthusiasm the community has shown for our competition. We have launched the next iteration. We want to compare top-performing methods with and without background information. Please join. Your contribution is valuable!\n\nhttps://www.kaggle.com/competitions/round-2-jaguar-reidentification-challenge", "3399985": "Hey congrats! did this solved the label leakage we had in the current competition?", "3401705": "I encourage you to test it.", "3402215": "Hey, as a feline fan this is an interesting competetion to apply my knowledge and learn something new. My question is: What are the differences between both iterations, only the images? Is the second the only valid one or will both be run at the same time?", "3403094": "Thanks for your interest! Both competitions run at the same time. In the second round, the background is removed from all test images. This serves as a benchmark to tell how likely are models to rely on the background information.", "3404636": "Very happy to announce its gone! Congratulations on that" }, "source": "meta" }