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Data processing apparatus, data processing method, and non-transitory storage medium

專利號
US10867162B2
公開日期
2020-12-15
申請人
NEC Corporation（JP Tokyo）
發(fā)明人
Jianquan Liu; Shoji Nishimura; Takuya Araki; Yasufumi Hirakawa
IPC分類
G06K9/00; G06F16/783; G06F16/00
技術(shù)領(lǐng)域
person,data,extraction,in,analyzed,appearance,image,unit,moving,be
地域： Tokyo

摘要

A data processing apparatus (1) of the present invention includes a unit that retrieves a predetermined subject from moving image data. The data processing apparatus includes a person extraction unit (10) that analyzes moving image data to be analyzed and extracts a person whose appearance frequency in the moving image data to be analyzed satisfies a predetermined condition among persons detected in the moving image data to be analyzed, and an output unit (20) that outputs information regarding the extracted person.

說明書

Then, the person extraction unit 10 creates a pair of the detection ID of a person detected from the frame to be processed and each of the plurality of detection IDs included in the above group of the second layer. Then, the person extraction unit 10 calculates a similarity for each pair, and determines whether the calculated similarity is equal to or higher than the second threshold value. As described above, the second threshold value is higher than the first threshold value.

In a case where there is no detection ID whose similarity is equal to or higher than the second threshold value in the group of the second layer, the person extraction unit 10 determines that the outer appearance feature value of the person detected from the frame to be processed is not similar by the predetermined level or more to that of any of persons detected in previously processed frames. Then, the person extraction unit 10 associates a new person ID with the detection ID of the person detected from the frame to be processed, and registers the new person ID in the detected person information shown in FIG. 6.

權(quán)利要求

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