ACTION RECOGNITION LEARNING DEVICE, ACTION RECOGNITION LEARNING METHOD, ACTION RECOGNITION LEARNING DEVICE, AND PROGRAM
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United States of America Patent
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Issued Date -
Dec 15, 2022
app pub date -
Oct 30, 2020
filing date -
Oct 30, 2020
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Abstract
The present invention makes it possible to cause an action recognizer capable of recognizing actions with high accuracy and with a small quantity of learning data to learn. An input unit 101 receives input of a learning video and an action label indicating an action of an object, a detection unit 102 detects a plurality of objects included in each frame image included in the learning video, a direction calculation unit 103 calculates a direction of a reference object, which is an object to be used as a reference among the plurality of detected objects, a normalization unit 104 normalizes the learning video so that a positional relationship between the reference object and another object becomes a predetermined relationship, and an optimization unit 106 optimizes parameters of an action recognizer to estimate the action of the object in the inputted video based on the action estimated by inputting the normalized learning video to the action recognizer and the action indicated by the action label.
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