#Japan #Kyoto #Rist #Kaggle #Kohei Ozaki

Rist Employees Shine with Gold at Kaggle's Image Matching Challenge 2025

The Rist Corporation, headquartered in Kyoto under the leadership of CEO Keisuke Nagano, is proud to announce that a team from the Rist Kaggle Team, featuring Kaggle Grandmaster Kohei Ozaki, won a gold medal at the prestigious "Image Matching Challenge 2025" competition hosted on Kaggle, one of the largest data analysis platforms globally.

Overview of the Competition

The "Image Matching Challenge 2025" was conducted in association with the renowned international conference on computer vision, CVPR. The competition took place between April 2 and June 3, 2025. It aimed to test participants' abilities to accurately group images from an extensive dataset that included irrelevant images and clusters. The ultimate goal was to reconstruct a precise 3D scene. This exceptionally challenging task attracted 1,215 participants across 971 teams.

Ozaki's team proved their prowess by finishing 7th overall, earning a coveted gold medal in the process. The results of the competition are accessible for further details, and discussions can be found through Kaggle's platform.

Insights from Kohei Ozaki

In a statement, Kohei Ozaki shared insights into the competition's challenges. The competition required teams to explore optimal solutions within the constraints of VRAM size and inference time, reflecting the operational limitations present in practical applications. Notably, a recent focus on 3D scene reconstruction has sparked significant advancements in research, with over several intriguing studies such as GLOMAP, VGGSfM, VGGT, DUSt3R, MASt3R, and MASt3R-SfM surfacing. During the competition, Ozaki and his team validated these methods thoroughly, gaining invaluable experience that will enhance their ability to choose the right technologies according to various technical requirements.

A Glimpse into Kaggle

Kaggle is a platform that has grown to over 24 million registered users, making it one of the world's largest data analysis communities. Users, known as Kaggler, participate in various competitions issued by corporations and organizations to solve data-related challenges. Participants are ranked based on their performance, with accolades such as Kaggle Grandmaster, Kaggle Master, Expert, Contributor, and Novice. The prestigious title of Kaggle Grandmaster is held by only 363 individuals worldwide, representing some of the brightest minds in AI engineering and data science.

The Rist Kaggle Team

Since 2020, Rist has actively recruited top-performing Kagglers through its unique "Kaggle recruitment" initiative. This move has led to the establishment of the Rist Kaggle Team, which currently consists of 10 Kaggle Grandmasters and 2 Kaggle Masters. This team is dedicated to delivering high-level data analysis, AI-driven solutions, and innovative product development.

About Rist

Founded in 2016, Rist focuses on AI technologies, particularly in the fields of image AI and data analysis. The company is dedicated to supporting digital transformations in various sectors, facilitating research and development initiatives, and addressing societal challenges. Rist offers a wide range of solutions, including consulting for AI utilization and imaging, tailored to meet specific client needs.

Company Details:

• - Name: Rist Corporation
• - Location: 830 Gojōdōri Kawaramachi Nishiiru, Higashikukōji-machi, Shimo-kyōku, Kyoto, Japan
• - Established: August 1, 2016
• - CEO: Keisuke Nagano
• - URL: https://www.rist.co.jp

Note

The mentioned company names, logos, system names, product names, and brand names are registered trademarks or trademarks of their respective companies.