国内ML基盤大手「テンソルブリッジ」が日本古銭専用の画像分類AIライブラリ「CoinVision-JP」を商用公開。8万枚超の学習データで分類精度97.3%を達成し、オープンソース版・エンタープライズ版を同日リリース。オークションハウス・古銭ディーラー・大学研究室がAPIで即日利用開始し、目利き業務とデータベース構築の自動化が急速に進む。
テクノロジー
Major Japanese ML Infrastructure Provider Commercializes Ancient Coin Image Classification Model — Open-Source and Enterprise Editions Released Simultaneously for Researchers and Industry Players
Source: テンソルブリッジ株式会社 プレスリリース|Published: May 24, 202611d ago
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A reference when considering a sale or appraisal. All are dealers and auction houses with a proven track record.
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Ginza Coins
Ginza, Chuo-ku, Tokyo
One of Japan's most established numismatic dealers. The scale and variety of their regular auctions is among the largest in the country. Their catalogs are considered a benchmark for market pricing.
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Japan Coin Auction (JCA)
Tokyo
Holds regular auctions with reliable hammer price data, making it a useful resource for tracking market values. Caters to a wide range of collectors from beginners to advanced buyers.
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Taisei Coins
Tokyo
A dealer with an international network. Offers advanced services such as consignment to overseas auctions and NGC/PCGS grading submission. Recommended for high-value or internationally recognized coins.