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Image processing apparatus, image processing system, and image processing method

專(zhuān)利號(hào)
US10867166B2
公開(kāi)日期
2020-12-15
申請(qǐng)人
SONY CORPORATION（JP Tokyo）
發(fā)明人
Kazuhiro Shimauchi; Takashi Kohashi; Masakazu Ebihara; Yuji Ono; Hidetoshi Nagano
IPC分類(lèi)
G06K9/00; G06T7/215; G06T7/292; G06K9/62; G06T7/20
技術(shù)領(lǐng)域
person,detection,candidate,in,image,frame,moving,body,process,point
地域： Tokyo

摘要

Provided are an apparatus and a method for executing a person detection process from an image. A divisional small region setting window is set and an image in the window is determined to be a person based on the number of moving body pixels of each divisional small region, and a first person candidate point is set in the window when the image is determined to be a person. A person determination process is executed based on an image feature quantity in a person determination detection frame, and a second person candidate point is set in the person determination detection frame when it is determined to be a person. A distribution state in a moving body detection frame of the person determination detection frame is analyzed, and an image in the person determination detection frame is determined to be a person based on an analysis result.

說(shuō)明書(shū)

The person determination detection frame is a frame set in the process of step S103 of the flow of FIG. 6, that is, in the second person detection process executed in accordance with the flow illustrated in FIG. 17. This is the person determination detection frame described with reference to FIGS. 18 to 20.

FIG. 26 illustrates the person determination detection frame in which the “second person candidate point” is detected in the second to fourth moving body detection frames 142 to 144 in the image described above with reference to FIG. 7.

Further, these person detection frames are the person determination detection frames before the merging process.

In the process according to the flow illustrated in FIG. 17, the person determination detection frame in which the “second person candidate point” is detected is likely to be set as a plurality of frames which are dense in the horizontal direction in a case in which the moving body is a person.

On the other hand, in a case in which the moving body is not a person, the person determination detection frame in which the “second person candidate point” is detected is not set as a plurality of frames which are dense in the horizontal direction but likely to be appear as a single frame or a small number of frames.

權(quán)利要求

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