Late submission with homemade C++ GNSS library beats Kaggle Smartphone Decimeter Challenge winner
rsasaki0109 · x · 2026-10-28
rsasaki0109 submitted a late entry to Kaggle's Google Smartphone Decimeter Challenge (2023-2024), which tasks competitors with accurate positioning from smartphone GNSS and IMU data, using his own C++ library libgnss++.
Per the attached leaderboard screenshot, his submission scored 0.775 on the private leaderboard (0.804 public), beating the final 1st-place solution by nori (0.883) and 2nd-place Taro (0.928) — meaning his post-competition entry outperformed the official winner.
Related event: Self-built C++ GNSS library beats Kaggle smartphone定位 champion(2 posts)→
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