Late Kaggle submission with custom C++ GNSS library beats Smartphone Decimeter Challenge's 1st-place solution

rsasaki0109 · x · 2026-10-28

Kaggle competitor rsasaki0109 reports that his late submission to the Google Smartphone Decimeter Challenge — a competition on accurate positioning from smartphone GNSS and IMU data — outperformed the competition's final 1st-place solution. The entry was built on his own C++ GNSS library, libgnss++, with Kaggle and GitHub links shared in the thread.

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