公开(公告)号：US20180240240A1

公开(公告)日：2018-08-23

申请号：US15752967

申请日：2016-08-09

Applicant: KOWA COMPANY, LTD. ,  Casio Computer Co., Ltd.

Inventor： Toshiaki NAKAGAWA ,  Takao SHINOHARA ,  Yasushi MAENO ,  Akira HAMADA

IPC: G06T7/13 ,  G06T7/00 ,  A61B3/10

CPC classification number: G06T7/13 ,  A61B3/10 ,  A61B3/102 ,  G06T7/0012 ,  G06T2207/10101 ,  G06T2207/30041

Abstract: The image processing apparatus includes a boundary line extraction means that extracts a boundary line of a layer from an input image obtained by capturing an image of a target object composed of a plurality of layers. The boundary line extraction means is configured to first extract boundary lines at upper and lower ends of the target object, limit a search range using the extracted boundary lines at the upper and lower ends to extract another boundary line, limit the search range using an extraction result of the other boundary line to extract still another boundary line, and then sequentially repeat similar processes to extract subsequent boundary lines. In another aspect, the image processing apparatus includes a boundary line extraction means that extracts a boundary line of a layer from an input image obtained by capturing an image of a target object composed of a plurality of layers and a search range setting means that utilizes an already extracted boundary line extracted by the boundary line extraction means to dynamically set a search range for another boundary line. According to such an image processing apparatus and image processing method, boundary lines of layers can be extracted with a high degree of accuracy from a captured image of a target object composed of a plurality of layers.

公开(公告)号：US20180232886A1

公开(公告)日：2018-08-16

申请号：US15752946

申请日：2016-08-09

Applicant: KOWA COMPANY, LTD. ,  Casio Computer Co., Ltd.

Inventor： Toshiaki NAKAGAWA ,  Takao SHINOHARA ,  Yasushi MAENO ,  Akira HAMADA

IPC: G06T7/13 ,  A61B3/10 ,  G06T7/00 ,  G06T7/143

CPC classification number: G06T7/13 ,  A61B3/10 ,  A61B3/102 ,  G06T1/00 ,  G06T7/0014 ,  G06T7/143 ,  G06T2207/10101 ,  G06T2207/20076 ,  G06T2207/30041

Abstract: Edges of layers are detected from an input image to create a boundary line candidate image that represents the detected edges. A luminance value of the input image is differentiated to create a luminance value-differentiated image that represents luminance gradient of the layers. An evaluation score image is created which is obtained by weighting calculation at an optimum ratio between a boundary line position probability image and the luminance value-differentiated image. The boundary line position probability image is obtained from the boundary line candidate image and an existence probability image that represents existence of a boundary line to be extracted. A route having the highest total evaluation score is extracted as the boundary line. According to such an image processing apparatus and image processing method, boundary lines of layers can be extracted with a high degree of accuracy from a captured image of a target object composed of a plurality of layers.

公开(公告)号：US20230210369A1

公开(公告)日：2023-07-06

申请号：US18008486

申请日：2021-06-22

Applicant: KOWA COMPANY, LTD.

Inventor： Yuka SUGIURA ,  Katsumi YABUSAKI ,  Takao SHINOHARA

IPC: A61B3/16 ,  A61B5/01

CPC classification number: A61B3/16 ,  A61B5/015

Abstract: The method for estimating the fluid state of a liquid of the present invention includes a step (a) of applying heat to the liquid, a step (b) of acquiring a temperature distribution of the liquid to which the heat is applied, and a step (c) of estimating the fluid state of the liquid based on the acquired temperature distribution. The system for estimating the fluid state of a liquid of the present invention includes a heating means (1) that applies heat to the liquid, a temperature distribution acquisition means (2) that acquires a temperature distribution of the liquid to which the heat is applied, and an estimation means (3) that estimates the fluid state of the liquid based on the acquired temperature distribution. According to such method and system for estimating the fluid state of a liquid, the flow of the liquid can be estimated non-invasively.

公开(公告)号：US20230171369A1

公开(公告)日：2023-06-01

申请号：US18002429

申请日：2021-06-24

Applicant: Kowa Company, Ltd.

Inventor： Katsumi YABUSAKI ,  Takao SHINOHARA

IPC: H04N5/262 ,  G06T7/20 ,  G06T7/70 ,  G06T7/90

CPC classification number: H04N5/2624 ,  G06T7/20 ,  G06T7/70 ,  G06T7/90 ,  G06T2207/10024 ,  G06T2207/20212 ,  G06T2207/20081 ,  G06T2207/20084 ,  G06T2207/10016 ,  G06T2207/10072

Abstract: An example apparatus comprising an image acquisition unit configured to acquire a plurality of images having temporal or spatial continuity; a channel assignment unit configured to assign a channel different from each other to at least a part of gradation information on a color and/or gradation information on brightness that can be acquired from each image of the plurality of images based on a predetermined rule; a composite image generation unit configured to generate one composite image in which gradation information on at least a part of each image can be identified by the channel by extracting and combining gradation information to which the channel is assigned from each of the plurality of images; and an inference unit configured to analyze the composite image and to infer the plurality of images.