公开(公告)号：US11915462B1

公开(公告)日：2024-02-27

申请号：US18202460

申请日：2023-05-26

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Boxiong Huang ,  Zhiyu Wang ,  Guannan Jiang

IPC: G06V10/25 ,  G06V10/82 ,  G06V10/44

CPC classification number: G06V10/25 ,  G06V10/44 ,  G06V10/82 ,  G06V2201/07

Abstract: Embodiments of this application provide a method for detecting a target point in an image. The method may include: obtaining an image under test, where the image under test may include a structure-stable first target object and a structure-unstable second target object; and processing the image under test based on a target point detection model to obtain a target point in the image under test, where the target point may include a feature point on the structure-stable first target object and a feature point on the structure-unstable second target object.

公开(公告)号：US20240029240A1

公开(公告)日：2024-01-25

申请号：US18474262

申请日：2023-09-26

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhiyu Wang ,  Xi Wang ,  Guannan Jiang

IPC: G06T7/00 ,  G06T7/11

CPC classification number: G06T7/001 ,  G06T7/11 ,  G06T2207/30168 ,  G06T2207/20021 ,  G06T2207/30108

Abstract: Disclosed, in one embodiment, are a method and device for detecting imaging consistency of a system, and a computer storage medium. The method includes: determining a target region in an image acquired by the system, where the target region is a partial region that includes a target object in the image acquired by the system; obtaining first image information of the target region; and detecting the imaging consistency of the system based on the first image information. By obtaining the first image information of the target region in the image acquired by the system and determining the imaging consistency of the system based on the first image information, this application can effectively detect the imaging consistency of the system and improve accuracy of product detection.

公开(公告)号：US20240394916A1

公开(公告)日：2024-11-28

申请号：US18796302

申请日：2024-08-07

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Lei Zhang ,  Guannan Jiang ,  Fei Chen

IPC: G06T7/73 ,  G06T3/02 ,  G06T7/13 ,  G06T7/62 ,  H04N17/00

Abstract: Embodiments of this application provide a method and apparatus for testing stability of a vision system, which can test whether the vision system is stable, so as to report a fault in a timely manner when the vision system is unstable, thereby guaranteeing accuracy of a measurement result of the vision system. The method includes: obtaining first position information of a spot inspection piece in a current image under the vision system; performing affine transformation on a reference contour model of the spot inspection piece for a position of the spot inspection piece in the current image based on the first position information, and obtaining, through fitting, a current contour model of the spot inspection piece in the current image based on the reference contour model; and determining stability of the vision system based on the reference contour model and the current contour model.

公开(公告)号：US12067710B2

公开(公告)日：2024-08-20

申请号：US18296995

申请日：2023-04-07

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Qian Wu ,  Jiwei Chen ,  Guannan Jiang

IPC: G06T7/00

CPC classification number: G06T7/001 ,  G06T2207/30108

Abstract: A spot-checking method for a visual inspection system includes obtaining a plurality of to-be-inspected images, inspecting the plurality of to-be-inspected images to obtain defect types and/or parameters of a target object in the plurality of to-be-inspected images, and confirming availability of the visual inspection system based on the defect types and/or the parameters.

公开(公告)号：US11823326B2

公开(公告)日：2023-11-21

申请号：US18317067

申请日：2023-05-13

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Guannan Jiang ,  Lili Han

IPC: G06T7/00 ,  G06T7/55 ,  G06T15/50 ,  G06T19/20

CPC classification number: G06T15/506 ,  G06T7/55 ,  G06T19/20 ,  G06T2207/10028 ,  G06T2219/2012

Abstract: An image processing method includes obtaining two-dimensional and three-dimensional images of an object, extracting luminance and depth information from the three-dimensional image to generate luminance and depth image for the object, graying the two-dimensional image to obtain a single-channel grayscale image, selecting at least three same-location points from each of the grayscale and luminance image, calculating a coordinate transformation matrix between the grayscale and luminance images based on coordinates of the at least three same-location points in each of the grayscale and luminance images, and aligning the two-dimensional image with the luminance and depth images based on the coordinate transformation matrix to obtain fused image data. The fused image data includes color information of the two-dimensional image and the luminance and depth information of the three-dimensional image.

公开(公告)号：US11948323B2

公开(公告)日：2024-04-02

申请号：US18131282

申请日：2023-04-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Weilin Zhuang ,  Guannan Jiang ,  Annan Shu

IPC: G06K9/36 ,  G06T7/194 ,  G06T7/62 ,  G06T9/00

CPC classification number: G06T7/62 ,  G06T7/194 ,  G06T9/00

Abstract: Embodiments of this application provide a measurement method and a measurement apparatus. The measurement method includes: acquiring a first image and a second image of a target object, where the first image is acquired by a camera located on a non-backlight side of the target object, and the second image is acquired by a camera located on a backlight side of target object; and measuring the target object for size information according to the first image and the second image. The technical solution of this application can improve accuracy and precision of inspection while improving production efficiency.

公开(公告)号：US20240070840A1

公开(公告)日：2024-02-29

申请号：US18356232

申请日：2023-07-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhiyu Wang ,  Xi Wang ,  Guannan Jiang

IPC: G06T7/00

CPC classification number: G06T7/0004 ,  G06T2207/20084

Abstract: Provided are a defect detection method and apparatus, and a computer-readable storage medium. Specifically, the method includes: obtaining a to-be-detected image; obtaining a feature map of the to-be-detected image based on the to-be-detected image, where the feature map of the to-be-detected image includes a feature map of spatial position coordinate information; and performing defect detection on the to-be-detected image based on the feature map of the to-be-detected image. By modifying a neural network structure of defect detection and extracting the feature map of spatial position coordinate information during the detection, this application makes the neural network for use of defect detection sensitive to a spatial position, thereby enhancing sensitivity of a detection neural network to the spatial position, and in turn, increasing accuracy of detecting some specific defect types by the detection neural network, and increasing accuracy of defect detection.

公开(公告)号：US11978189B2

公开(公告)日：2024-05-07

申请号：US18129819

申请日：2023-03-31

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Guannan Jiang ,  Annan Shu ,  Qiangwei Huang

IPC: G06T7/00 ,  G06T7/11 ,  G06T7/136

CPC classification number: G06T7/0002 ,  G06T7/11 ,  G06T7/136 ,  G06T2207/20081

Abstract: Embodiments of this application provide a defect detection method and apparatus. The method includes: obtaining an image for inspection; performing anomaly detection on the image for inspection to obtain an anomaly region image corresponding to the image for inspection; and performing defect classification on the anomaly region image to obtain defect detection information of the image for inspection. The defect detection method of the embodiments of this application is divided into two steps of anomaly detection and defect classification. Anomaly detection is performed on the image for inspection first, and then defect classification needs to be performed only on an anomaly region, reducing the workload of defect classification, thereby improving the efficiency of defect detection.

公开(公告)号：US11935260B1

公开(公告)日：2024-03-19

申请号：US18187729

申请日：2023-03-22

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Tianhui Wu ,  Fei Chen ,  Guannan Jiang

IPC: G06T7/60 ,  G06T7/80

CPC classification number: G06T7/60 ,  G06T7/80 ,  G06T2207/30164 ,  G06T2207/30244

Abstract: This application provides a method for measuring dimensions to reduce measurement time and improve production efficiency, including: obtaining a first image and a second image of a to-be-measured workpiece, where the first image and the second image are images captured by a first camera and a second camera at different positions respectively; extracting a first corner set of the to-be-measured workpiece from the first image and a second corner set of the to-be-measured workpiece from the second image separately; rectifying position coordinates of the first corner set and position coordinates of the second corner set to obtain a position coordinate value of the first corner set and a position coordinate value of the second corner set in a same coordinate system; and obtaining dimensions of the to-be-measured workpiece based on the position coordinate value of the first corner set and the position coordinate value of the second corner set.

公开(公告)号：US11915443B2

公开(公告)日：2024-02-27

申请号：US18303971

申请日：2023-04-20

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Qiangwei Huang ,  Guannan Jiang ,  Zhiyu Wang

IPC: G06T7/60

CPC classification number: G06T7/60 ,  G06T2207/20044

Abstract: An image processing method includes searching for a next pixel of a skeleton branch of a target image based on an already-searched current pixel of the skeleton branch, and determining whether the skeleton branch is a burr branch based on a number of already-searched pixels of the skeleton branch.