BEHAVIOR RECOGNITION DEVICE, BEHAVIOR RECOGNITION METHOD, AND BEHAVIOR RECOGNITION PROGRAM

• Main Authors: SUGANO YUSUKE, FURUTA RYOSUKE, TAKAGI MOTOHIRO, SATO YOICHI, SHIODA TSUKASA
• Format: Patent
• Language: English; Japanese
• Published: 25.03.2024
• Subjects: CALCULATING; COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS; COMPUTING; COUNTING; PHYSICS

To enhance classification accuracy between classes having similar behavior features.SOLUTION: According to an embodiment, a behavior recognition device includes: a data acquisition part for acquiring input data including a first moving image segment; a potential feature vector generation part for generating a potential feature vector by inputting a moving image segment in a potential feature generation model including a pre-learned behavior recognition model and an encoder; a behavior label generation part for generating a behavior label by inputting the potential feature vector in a pre-learned behavior classification model; and an output control part for outputting the behavior label.SELECTED DRAWING: Figure 3 【課題】行動特徴が似ているクラス同士の分類精度を高めること。【解決手段】実施形態に係る行動認識装置であって、第１の動画像セグメントを含む入力データを取得するデータ取得部と、事前学習済み行動認識モデルおよびエンコーダを備える潜在特徴生成モデルに動画像セグメントを入力することにより潜在特徴ベクトルを生成する潜在特徴ベクトル生成部と、事前学習済み行動分類モデルに潜在特徴ベクトルを入力することにより行動ラベルを生成する行動ラベル生成部と、行動ラベルを出力する出力制御部と、を備える。【選択図】 図３