公开(公告)号：US20220247924A1

公开(公告)日：2022-08-04

申请号：US17617420

申请日：2019-06-13

Applicant: NEC Corporation

Inventor： Jianquan LIU ,  Junnan LI

IPC: H04N5/232

Abstract: The present invention provides an image processing apparatus (10) including a detection unit (12) that detects a plurality of predetermined points of a body of each of a plurality of persons from an image in an image circle of a fisheye image, a gravity direction determination unit (13) that determines a gravity direction in a position of each of the plurality of persons from the plurality of predetermined points, a reference point decision unit (14) that decides a reference point, based on the gravity direction in the position of each of the plurality of persons, a complementary circular image generation unit (16) that generates a complementary circular image that is a circular image acquired by adding a complementary image to the image in the image circle of the fisheye image, and that has, as a center, the reference point different from a center of the image in the image circle, and an expansion unit (17) that panoramically expands the complementary circular image, based on the reference point, and generates a panoramic image.

公开(公告)号：US20220189199A1

公开(公告)日：2022-06-16

申请号：US17436725

申请日：2019-12-02

Applicant: NEC Corporation

Inventor： Jianquan LIU ,  Satoshi YOSHIDA

IPC: G06V40/16 ,  G06V10/74 ,  G06V10/762 ,  G06T7/20

Abstract: The present invention provides a processing apparatus (10) including an inter-face-image-group determination unit (11) that determines whether a similarity score between a first representative face image in a first face image group and a second representative face image in a second face image group satisfies a first condition, an intra-face-image-group determination unit (12) that determines, for each of the first face image group and the second face image group, whether a second condition defining a relationship between the representative face image and another image in the face image group is satisfied, based on a similarity score between the first representative face image and each of other face images in the first face image group and a similarity score between the second representative face image and each of other face images in the second face image group, and a processing unit (13) that associates a same person identifier (ID) with a plurality of face images included in the first face image group and the second face image group when it is determined that the first condition is satisfied and that the first face image group and the second face image group each satisfy the second condition.

公开(公告)号：US20220189151A1

公开(公告)日：2022-06-16

申请号：US17600711

申请日：2019-04-05

Applicant: NEC Corporation

Inventor： Jianquan LIU ,  Junnas LI

IPC: G06V10/774 ,  G06T7/70

Abstract: The present invention provides a processing system (10) including: a sample image generation unit (11) that generates a plurality of sample images being each associated with a partial region of a first image generated using a first lens; an estimation unit (12) that generates an image content estimation result indicating a content for each of the sample images using an estimation model generated by machine learning using a second image generated using a second lens differing from the first lens; a task execution unit (14) that estimates a relative positional relationship of a plurality of the sample images in the first image; a determination unit (15) that determines whether an estimation result of the relative positional relationship is correct; and a correction unit (16) that corrects a value of a parameter of the estimation model when the estimation result of the relative positional relationship is determined to be incorrect.

公开(公告)号：US20190156509A1

公开(公告)日：2019-05-23

申请号：US16258899

申请日：2019-01-28

Applicant: NEC Corporation

Inventor： Yasufumi HIRAKAWA ,  Jianquan LIU ,  Shoji NISHIMURA ,  Takuya ARAKI

IPC: G06T7/70 ,  H04N7/18 ,  G06K9/00 ,  G08B25/00 ,  H04N5/232 ,  G06T7/20

Abstract: Provided is an analysis apparatus (10) including a person extraction unit (11) that analyzes video data to extract a person, a time calculation unit (12) that calculates a continuous appearance time period for which the extracted person has been continuously present in a predetermined area and a reappearance time interval until the extracted person reappears in the predetermined area for each extracted person, and an inference unit (13) that infers a characteristic of the extracted person on the basis of the continuous appearance time period and the reappearance time interval.

公开(公告)号：US20180330151A1

公开(公告)日：2018-11-15

申请号：US15773239

申请日：2016-10-25

Applicant: NEC Corporation

Inventor： Jianquan LIU ,  Shoji NISHIMURA ,  Takuya ARAKI ,  Yasufumi HIRAKAWA

IPC: G06K9/00

CPC classification number: G06K9/00261 ,  G06F17/30 ,  G06K9/00288

Abstract: 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.

公开(公告)号：US20170185637A1

公开(公告)日：2017-06-29

申请号：US15325270

申请日：2015-03-12

Applicant: NEC Corporation

Inventor： Jianquan LIU

IPC: G06F17/30

CPC classification number: G06F16/2228

Abstract: An index generation apparatus includes: an index generation unit generating the index including a lower node and an upper node by using a degree of similarity between pieces of data, the upper node including an entry having a link relationship with the lower node and indicating representative data, the representative data having the degree of similarity with respect to data indicated by the entry of the lower node that is equal to or greater than a similarity degree threshold value given to the link relationship; and a threshold value determination unit determining a default similarity degree threshold value and an adjustment value with respect to each link relationship between the upper node and the lower node, and determining each similarity degree threshold value to be given to each link relationship by subtracting the adjustment value from the default similarity degree threshold value.