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アタリ,ゴー,チェス,ショギを熟練したモデルで計画する
Julian Schrittwieser1, Ioannis Antonoglou1,2, Thomas Hubert1
1DeepMind, London, UK.
Nature
|December 28, 2020
まとめ
MuZeroのアルゴリズムは ツリーベースの検索と学習モデルを組み合わせて 複雑な領域で環境の動態を知らずに 超人的な性能を達成します この人工知能の進歩は アタリのゲームに優れ ゴーやチェスの上位AIに匹敵します
科学分野:
- 人工知能
- 機械学習
- 強化学習
背景:
- 計画能力は 人工知能のエージェントにとって極めて重要です
- 完璧なシミュレータ (例えば,チェス,ゴー) を備えた領域では,ツリーベースの計画が優れている.
- 現実の世界の問題には しばしば 複雑で未知の環境動態があり 伝統的な計画方法を阻害します
研究 の 目的:
- MuZeroアルゴリズムを導入します 人工知能の計画に新しいアプローチです
- 環境ダイナミクスの事前の知識なしに高いパフォーマンスを達成するMuZeroの能力を実証する.
- 多様で視覚的に複雑な領域における MuZero の有効性を評価する.
主な方法:
- MuZeroはツリーベースの検索と 学習モデルを組み合わせています
- 政策,価値,報酬を予測する イテラブルモデルを学習します
- この学習されたモデルは未知の環境での計画をサポートします.
主要な成果:
- MuZeroは57のAtariゲームで最先端のパフォーマンスを達成し,モデルベースの計画が歴史的に困難だった領域です.
- ムゼロはゴー,チェス,ショギでアルファゼロの超人格に匹敵した.
- このアルゴリズムは,視覚的に複雑でダイナミックな環境で強力な計画能力を示しています.
結論:
- MuZeroアルゴリズムは 人工知能の計画における 重要な進歩を表しています
- MuZeroの学習モデルアプローチは,未知の環境でのモデルベースの計画の限界を克服します.
- この方法は 複雑な現実問題に対処できる 知的エージェントを開発するための 強力な新しいツールを提供します
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