Patents Assigned to Utechzone Co., Ltd.
  • Patent number: 11455528
    Abstract: The present invention provides an automated optical inspection and classification apparatus based on a deep learning system, comprising a camera and a processor. The processor executes a deep learning system after loading data from a storage unit and the processor, and comprises an input layer, a neural network layer group, and a fully connected-layer group. The neural network layer group is for extracting to an input image and thereby obtaining a plurality of image features. The fully connected-layer group is for performing weight-based classification and outputting an inspection result.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: September 27, 2022
    Assignee: UTECHZONE CO., LTD.
    Inventors: Arulmurugan Ambikapathi, Chien-Chung Lin, Cheng-Hua Hsieh
  • Patent number: 11238299
    Abstract: An instrumentation image analyzing system includes an image capturing device, a processor connected to the image capturing device, and a communication module connected to the processor, which replaces visual observation work of human by image analyzing technique for saving costs of manual visual observation as well as reducing the error rate of detection and enhancing the efficiency of detection. The image capturing device captures an image of at least one instrumentation to obtain an instrumentation image. The processor loads a program to perform an instrumentation identifying module which identifies the instrumentation image to generate an instrumentation information. The communication module transmits the instrumentation information to an external device.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: February 1, 2022
    Assignee: UTECHZONE CO., LTD.
    Inventor: Chia-Chun Tsou
  • Patent number: 11017259
    Abstract: An optical inspection method for an optical inspection device comprising an optical lens is provided according to an embodiment of the disclosure. The optical inspection method includes: obtaining a first image of an object by the optical lens; performing an edge detection on the first image to obtain a second image comprising an edge pattern; and performing a defect inspection operation on the second image based on a neural network architecture to inspect a defect pattern in the second image. In addition, an optical inspection device and an optical inspection system are provided according to embodiments of the disclosure.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: May 25, 2021
    Assignee: UTECHZONE CO., LTD.
    Inventors: Arulmurugan Ambikapathi, Ming-Tang Hsu, Chia-Liang Lu, Chih-Heng Fang
  • Patent number: 10991088
    Abstract: A defect inspection system, connected to an automatic visual inspection device, is provided, including the followings. A re-inspection server (VRS) receives a defect image and a defect location. A training terminal stores trained modules. A classification terminal receives the defect image and the defect location, reads a target trained module corresponding to the defect image, classifies the defect image according to the target trained module to obtain a labeled defect image, and sends the labeled defect image to the VRS. A re-inspection terminal receives the labeled defect image from the VRS, and sends a verified operation corresponding to the labeled defect image to the VRS. A labeling re-inspection terminal receives the verified operation and the labeled defect image, and a labeling result corresponding to the labeled defect image. The VRS sends the labeling result and the labeled defect image to the training terminal to train a corresponding training module.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: April 27, 2021
    Assignee: UTECHZONE CO., LTD.
    Inventors: Arulmurugan Ambikapathi, Ming-Tang Hsu, Chia-Liang Lu, Chih-Heng Fang
  • Patent number: 10964004
    Abstract: The present invention is an automated optical inspection method using deep learning, comprising the steps of: providing a plurality of paired image combinations, wherein each said paired image combination includes at least one defect-free image and at least one defect-containing image corresponding to the defect-free image; providing a convolutional neural network to start a training mode of the convolutional neural network; inputting the plurality of paired image combinations into the convolutional neural network, and adjusting a weight of at least one fully connected layer of the convolutional neural network through backpropagation to complete the training mode of the convolutional neural network; and performing an optical inspection process using the trained convolutional neural network.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: March 30, 2021
    Assignee: UTECHZONE CO., LTD.
    Inventors: Chih-Heng Fang, Chia-Liang Lu, Ming-Tang Hsu, Arulmurugan Ambikapathi, Chien-Chung Lin
  • Patent number: 10878559
    Abstract: A method for evaluating an efficiency of a manual inspection for a defect pattern is provided according to an embodiment of the disclosure, which comprises: enabling an evaluation program; loading a test image automatically by the enabled evaluation program and displaying the test image in a user interface; detecting a user behavior of a user after the user watches the test image; generating original data according to the user behavior, wherein the original data reflects at least one of whether the user identifies the defect pattern in the test image and a type of the defect pattern identified by the user; and performing a quantitative operation on the original data to generate evaluation data corresponding to the efficiency of the manual inspection, wherein the evaluation data reflects an evaluation result corresponding to the efficiency of the manual inspection.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: December 29, 2020
    Assignee: UTECHZONE CO., LTD.
    Inventors: Chia-Chun Tsou, Arulmurugan Ambikapathi, Chien-Chung Lin
  • Patent number: 10763148
    Abstract: A semiconductor defects inspection apparatus for inspection of bubble defects of an object is provided. The semiconductor defects inspection apparatus includes a carrier, an optical system, an infrared image capturing device, and a processing unit. The carrier is adapted for bearing the object. The optical system provides an illumination beam to the object to produce an image beam. The infrared image capturing device is disposed on a transmission path of the image beam. The infrared image capturing device is adapted for receiving the image beam to be transformed into an image information. The processing unit is electrically connected to the infrared image capturing device and adapted for analyzing the object according to the image information.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: September 1, 2020
    Assignee: UTECHZONE CO., LTD.
    Inventors: Chien-Wen Huang, Po-Tsung Lin, Chih-Heng Fang
  • Patent number: 10723020
    Abstract: Robotic arm processing method and system based on 3D image are provided. The processing method includes: providing robotic arm 3D model data and processing environment 3D model data; obtaining workpiece 3D model data, and generating a processing path consisting of contact points according to the workpiece 3D model data, wherein a free end of a robotic arm moves along the processing path to complete a processing procedure; generating a posture candidate group according to a relationship according to each one of the contact points corresponding to the free end of the robotic arm; selecting an actual moving posture from the posture candidate group; moving the free end of the robotic arm to each corresponding one of the contact points according to the selected actual moving posture; and moving the free end of the robotic arm along the processing path according to the actual moving postures to perform the processing procedure.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: July 28, 2020
    Assignee: UTECHZONE CO., LTD.
    Inventors: Hsiao-Wei Huang, Po-Tsung Lin, Chia-Chun Tsou
  • Patent number: 10698990
    Abstract: An eye movement traces authentication system comprises an image capturing device, a display device, and a control unit. The image capturing device is for capturing a user's image. The display device is for providing a display interface for the user to watch. The control unit includes a facial feature recognition module or hand feature recognition module, an eye-movement analyzing module, an eye movement traces unlocking module, and a volitional confirmation module. The eye movement traces authentication system uses the user's facial features to confirm the user's identity and determines the user's watching direction and eye movement, by recording user's eye movement traces from the user's watching direction to verify the user's identity and by analyzing the user's eye movement to confirm, according to the user's eye movement, whether the user is operating volitionally.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: June 30, 2020
    Assignee: UTECHZONE CO., LTD.
    Inventor: Chia-Chun Tsou
  • Patent number: 10635795
    Abstract: The present invention is a dynamic graphic eye-movement authentication system, comprising an image capturing device, a display device, and a control unit. The image capturing device is provided for capturing images of a user's eyes to obtain the user's gaze direction. The display device is for providing a display interface to user. The control unit has a graphic producing module, an eye-movement analyzing module, and a graphic authentication module, wherein the graphic producing module provides a plurality of dynamic graphics on the display interface, wherein the eye-movement analyzing module determines the user gaze direction according to the images of the user's eyes, wherein the graphic authentication module generates authentication-oriented input information according to the dynamic graphic selected by the user through the gaze direction and compares the authentication-oriented input information with user authentication information in an authentication database.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: April 28, 2020
    Assignee: Utechzone Co., Ltd.
    Inventor: Chia-Chun Tsou
  • Publication number: 20200105076
    Abstract: An identity verification method, apparatus and system and a computer program product are provided. An eye movement tracking algorithm is executed for a face image sequence of a user to detect an eye movement status of the user. A password string is input through the input interface based on the eye movement state to start an eye movement verification procedure. And an autonomous determination procedure is executed based on the eye movement state to determine whether a user is in an autonomous state. When it is determined that the user is in the autonomous state, an operation procedure is started. When it is determined that the user is in a non-autonomous state, a warning signal is generated and the operation procedure is started.
    Type: Application
    Filed: December 2, 2019
    Publication date: April 2, 2020
    Applicant: UTECHZONE CO., LTD.
    Inventor: Chia-Chun Tsou
  • Publication number: 20200043765
    Abstract: A semiconductor defects inspection apparatus for inspection of bubble defects of an object is provided. The semiconductor defects inspection apparatus includes a carrier, an optical system, an infrared image capturing device, and a processing unit. The carrier is adapted for bearing the object. The optical system provides an illumination beam to the object to produce an image beam. The infrared image capturing device is disposed on a transmission path of the image beam. The infrared image capturing device is adapted for receiving the image beam to be transformed into an image information. The processing unit is electrically connected to the infrared image capturing device and adapted for analyzing the object according to the image information.
    Type: Application
    Filed: May 23, 2019
    Publication date: February 6, 2020
    Applicant: UTECHZONE CO., LTD.
    Inventors: Chien-Wen Huang, Po-Tsung Lin, Chih-Heng Fang
  • Publication number: 20200005449
    Abstract: A defect inspection system, connected to an automatic visual inspection device, is provided, including the followings. A re-inspection server (VRS) receives a defect image and a defect location. A training terminal stores trained modules. A classification terminal receives the defect image and the defect location, reads a target trained module corresponding to the defect image, classifies the defect image according to the target trained module to obtain a labeled defect image, and sends the labeled defect image to the VRS. A re-inspection terminal receives the labeled defect image from the VRS, and sends a verified operation corresponding to the labeled defect image to the VRS. A labeling re-inspection terminal receives the verified operation and the labeled defect image, and a labeling result corresponding to the labeled defect image. The VRS sends the labeling result and the labeled defect image to the training terminal to train a corresponding training module.
    Type: Application
    Filed: June 26, 2019
    Publication date: January 2, 2020
    Applicant: UTECHZONE CO., LTD.
    Inventors: ARULMURUGAN AMBIKAPATHI, Ming-Tang Hsu, Chia-Liang Lu, Chih-Heng Fang
  • Publication number: 20200005070
    Abstract: An optical inspection method for an optical inspection device comprising an optical lens is provided according to an embodiment of the disclosure. The optical inspection method includes: obtaining a first image of an object by the optical lens; performing an edge detection on the first image to obtain a second image comprising an edge pattern; and performing a defect inspection operation on the second image based on a neural network architecture to inspect a defect pattern in the second image. In addition, an optical inspection device and an optical inspection system are provided according to embodiments of the disclosure.
    Type: Application
    Filed: June 27, 2019
    Publication date: January 2, 2020
    Applicant: UTECHZONE CO., LTD.
    Inventors: Arulmurugan Ambikapathi, Ming-Tang Hsu, Chia-Liang Lu, Chih-Heng Fang
  • Publication number: 20200003828
    Abstract: A labeling system for defect classification having a storage unit and a processing unit is provided. The storage unit stores a defect classification module, a defect labeling module, and a catalog generation module. The processing unit performs the modules aforementioned. The defect classification module is configured to provide a defect type information. The defect labeling module marks a defect type label to at least one test object image according to an image feature and the defect type information on the at least one test object image. The catalog generation module receives the labeled test object images and moves test object images having the same defect type label to a corresponding file catalog.
    Type: Application
    Filed: June 28, 2019
    Publication date: January 2, 2020
    Applicant: UTECHZONE CO., LTD.
    Inventors: ARULMURUGAN AMBIKAPATHI, Chien-Chung Lin, Cheng-Hua Hsieh
  • Publication number: 20200005446
    Abstract: A method for evaluating an efficiency of a manual inspection for a defect pattern is provided according to an embodiment of the disclosure, which comprises: enabling an evaluation program; loading a test image automatically by the enabled evaluation program and displaying the test image in a user interface; detecting a user behavior of a user after the user watches the test image; generating original data according to the user behavior, wherein the original data reflects at least one of whether the user identifies the defect pattern in the test image and a type of the defect pattern identified by the user; and performing a quantitative operation on the original data to generate evaluation data corresponding to the efficiency of the manual inspection, wherein the evaluation data reflects an evaluation result corresponding to the efficiency of the manual inspection.
    Type: Application
    Filed: June 27, 2019
    Publication date: January 2, 2020
    Applicant: UTECHZONE CO., LTD.
    Inventors: Chia-Chun Tsou, ARULMURUGAN AMBIKAPATHI, Chien-Chung Lin
  • Patent number: 10521895
    Abstract: The present invention provides a dynamic automatic focus tracking system, comprising an image capturing device for capturing an image of a workpiece in a target picture-taking region; a driving device for adjusting a spacing between the image capturing device and the workpiece; and a focal length adjustment module coupled to the image capturing device and the driving device to generate a control signal according to a figure feature and a predefined figure feature in the image of the workpiece and send the control signal to the driving device, thereby adjusting a position of the image capturing device with the driving device.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: December 31, 2019
    Assignee: Utechzone Co., Ltd.
    Inventors: Hung-Ju Tsai, Chia-Liang Lu, Ming-Cheng Lai, Sheng-Chieh Lo
  • Publication number: 20190186890
    Abstract: A workpiece measuring machine adapted to measure a workpiece under test is provided. The workpiece under test includes an assembly surface and an appearance surface. The workpiece measuring machine includes a bearing base, a height measuring device and a calculation device. The bearing base is adapted to bear the workpiece under test. The height measuring device is movably disposed at a side of the bearing base and adapted to measure heights of the assembly surface and the appearance surface. The calculation device is electrically connected to the height measuring device so as to calculate a height difference between the assembly surface and the appearance surface. A measuring method and a calibration method of sectional difference of casing of workpiece are also provided.
    Type: Application
    Filed: March 15, 2018
    Publication date: June 20, 2019
    Applicant: UTECHZONE CO., LTD.
    Inventors: Yung-Chieh Liang, Chi-Kang Chen
  • Patent number: 10309768
    Abstract: A profile measuring method used to measure a profile of an object-under-test includes the following steps. A light source, a light-transmissive projection film, and an image capturing device are provided, where the light-transmissive projection film is located between the light source and the image capturing device. The object-under-test is placed between the light source and the light-transmissive projection film, and a light beam is provided toward the light-transmissive projection film by the light source, to form an object-under-test projection of the object-under-test on the light-transmissive projection film. An image of the object-under-test projection is captured by the image capturing device, to obtain a projection size of the object-under-test projection. A measuring size of the object-under-test is calculated according to the projection size of the object-under-test projection. In addition, a profile measuring apparatus and a deformation detecting apparatus are also provided.
    Type: Grant
    Filed: May 3, 2017
    Date of Patent: June 4, 2019
    Assignee: UTECHZONE CO., LTD.
    Inventors: Yueh-Long Lee, Po-Tsung Lin
  • Patent number: 10282609
    Abstract: An identity verification method and an identity verification apparatus are provided. A face image sequence of a user is analyzed to determine whether a biological feature conforms to a preset feature. An input interface is displayed after the biological feature conforms to the preset feature. An eye tracking detection is executed for a face image sequence to detect a blinking movement of the user. And a mental verification is executed by using the blinking movement. The invention combines the biological feature with the eye tracking detection for identity verification. The invention not only tightens security but also diversifies operation.
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: May 7, 2019
    Assignee: UTECHZONE CO., LTD.
    Inventor: Chia-Chun Tsou