Patents by Inventor Hsiang-Chen Wang

Hsiang-Chen Wang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11962949
    Abstract: A method of performing air pollution estimation is provided. The method is to be implemented using a processor of a computer device and includes: generating a spectral image based on an original color image of an environment under test using a spectral transformation matrix; supplying the spectral image as an input into an estimating model for air pollution estimation; and obtaining an estimation result from the estimating model indicating a degree of air pollution of the environment under test.
    Type: Grant
    Filed: July 22, 2021
    Date of Patent: April 16, 2024
    Assignee: National Chung Cheng University
    Inventors: Hsiang-Chen Wang, Chia-Cheng Huang, Ting-Chun Men
  • Publication number: 20240094675
    Abstract: A method for inspecting authenticity of a hologram is provided. A computer device that stores a color image of the hologram transforms the color image into a hyperspectral image, converts the hyperspectral image into a grayscale image, and determines authenticity of the hologram based on multiple grayscale values in a region of interest in the grayscale image and multiple grayscale thresholds that respectively correspond to different wavelengths.
    Type: Application
    Filed: March 1, 2023
    Publication date: March 21, 2024
    Inventors: Hsiang-Chen Wang, Yu-Ming Tsao, Arvind Mukundan
  • Patent number: 11928842
    Abstract: A method of measuring chromaticity of a target object is implemented using a computer device that stores a plurality of light source spectrum datasets each associated with a specific object. The method includes: obtaining a captured color image of the target object; generating a spectral image based on the captured color image using a spectral transformation matrix; obtaining one of the plurality of light source spectrum datasets that is associated with the target object; and calculating a chromaticity dataset of the target object based on the spectral image and the one of the plurality of light source spectrum datasets.
    Type: Grant
    Filed: April 26, 2022
    Date of Patent: March 12, 2024
    Assignee: National Chung Cheng University
    Inventors: Hsiang-Chen Wang, Yu-Ming Tsao, Yu-Lin Liu
  • Publication number: 20240027185
    Abstract: A method for measuring a thickness of a thin film layer disposed on a piece of glass is implemented using a computer device that stores a thin film image of the thin film layer, a surface dataset associated with a surface of the thin film layer, and a plurality of reference parameter sets each being associated with a specific thickness of the thin film layer, the method including: generating a spectral image dataset that includes spectral data associated with different pixels of the thin film image using a spectral transformation matrix; performing regression analysis on the surface dataset and the spectral image dataset, so as to obtain a thickness parameter set including a plurality of thickness parameters; and determining a thickness of the thin film layer using the thickness parameter set and the plurality of reference parameter sets.
    Type: Application
    Filed: October 27, 2022
    Publication date: January 25, 2024
    Applicant: National Chung Cheng University
    Inventors: Hsiang-Chen Wang, Yu-Yang Chen, Yu-Ming Tsao, Yu-Lin Liu, Ching-Yi Huang
  • Patent number: 11810300
    Abstract: This application provides a method for detecting images of testing object using hyperspectral imaging. Firstly, obtaining a hyperspectral imaging information according to a reference image, hereby, obtaining corresponded hyperspectral image from an input image and obtaining corresponded feature values for operating Principal components analysis to simplify feature values. Then, obtaining feature images by Convolution kernel, and then positioning an image of an object under detected by a default box and a boundary box from the feature image. By Comparing with the esophageal cancer sample image, the image of the object under detected is classifying to an esophageal cancer image or a non-esophageal cancer image. Thus, detecting an input image from the image capturing device by the convolutional neural network to judge if the input image is the esophageal cancer image for helping the doctor to interpret the image of the object under detected.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: November 7, 2023
    Assignee: National Chung Cheng University
    Inventors: Hsiang-Chen Wang, Tsung-Yu Yang, Yu-Sheng Chi, Ting-Chun Men
  • Publication number: 20230306720
    Abstract: A method for recognizing arteries and veins on a fundus image includes: executing a pre-process operation on the fundus image, so as to obtain a pre-processed fundus image; generating a fundus spectral reflection dataset associated with pixels of the pre-processed fundus image, based on the pre-processed fundus image, and a spectral transformation matrix; obtaining a plurality of principle component scores associated with the pixels of the pre-processed fundus image, respectively; and determining, for each of the pixels of the pre-processed fundus image that has been determined as a part of a blood vessel, whether the pixel belongs to a part of an artery or a part of a vein.
    Type: Application
    Filed: July 22, 2022
    Publication date: September 28, 2023
    Inventors: Hsiang-Chen WANG, Yu-Ming TSAO, Yong-Song CHEN, Yu-Sin LIU, Shih-Wun LIANG
  • Patent number: 11761961
    Abstract: A biosensing chip is provided, including a substrate having a photoelectric conversion material, and an electrode disposed on the substrate and including two contact portions and an electrode pattern, wherein the photoelectric conversion material is a monocrystalline silicon material, and the electrode pattern includes micro-electrodes in the form of interdigitated sawtooth. The biosensing chip and the method using the same may distinguish a lesion site of cancer cells and the degree of cancer lesions.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: September 19, 2023
    Assignee: NATIONAL CHUNG CHENG UNIVERSITY
    Inventors: Hsiang-Chen Wang, Chun-Ping Jen, Hong-Wei Fan, Shin-Che Wang
  • Publication number: 20230281818
    Abstract: The present application related to a method for detecting image using hyperspectral imaging by band selection. Firstly, obtaining a hyperspectral imaging information according to a reference image, hereby, obtaining corresponded hyperspectral image from an input image, and obtaining corresponded feature values by band selection for operating Principal components analysis to simplify feature values. Then, obtaining feature images by Convolution kernel, and then positioning an image of an object under detected by a default box and a boundary box from the feature image. By Comparing with the esophageal cancer sample image, the image of the object under detected is classifying to an esophageal cancer image or a non-esophageal cancer image. Thus, detecting an input image from the image capturing device by the convolutional neural network to judge if the input image is the esophageal cancer image for helping the doctor to interpret the image of the object under detected.
    Type: Application
    Filed: January 31, 2023
    Publication date: September 7, 2023
    Inventors: HSIANG-CHEN WANG, YU-SHENG CHI, YU-MING TSAO, SIAN-HONG SHIH
  • Publication number: 20230282010
    Abstract: The present application discloses a method for detecting image by using semantic segmentation. To input an image with data augmentation, and then encode and decode using a neural network. At least one semantically divided, and finally the at least one semantically divided is compared with the sample to classify as a target or a non-target. In this way, the CNN is used to detect whether the image is the SCC image or not, and locate the section, thereby assisting the doctor in interpreting the esophagus image.
    Type: Application
    Filed: January 31, 2023
    Publication date: September 7, 2023
    Inventors: HSIANG-CHEN WANG, KUAN-LIN CHEN, YU-MING TSAO, JEN-FENG HSU
  • Publication number: 20230281962
    Abstract: A method for detecting objects in hyperspectral imaging is revealed. First obtaining a hyperspectral imaging information by a reference image. Then converting an input image according to the hyperspectral imaging information to get a hyperspectral image. A plurality of hyperspectral eigenvalues is obtained after image analysis of the hyperspectral image. Next getting a plurality of dimensionality reduction eigenvalues by a principal component analysis (PCA). Then performing convolution operation on the dimensionality reduction eigenvalues to get a value of a convolution matrix for extracting a feature image from an image of an object to be detected in the input image. Generating an anchor box and a prediction box in the feature image to get a bounded image. Lastly matching and comparing the bounded image with a sample image to determine whether the input image is a target object image. Thereby the method provides assistance for physicians in gastrointestinal image diagnosis.
    Type: Application
    Filed: February 7, 2023
    Publication date: September 7, 2023
    Inventors: HSIANG-CHEN WANG, TING-CHUN MEN, YU-MING TSAO, YU-LIN LIU
  • Publication number: 20230154049
    Abstract: A method of measuring chromaticity of a target object is implemented using a computer device that stores a plurality of light source spectrum datasets each associated with a specific object. The method includes: obtaining a captured color image of the target object; generating a spectral image based on the captured color image using a spectral transformation matrix; obtaining one of the plurality of light source spectrum datasets that is associated with the target object; and calculating a chromaticity dataset of the target object based on the spectral image and the one of the plurality of light source spectrum datasets.
    Type: Application
    Filed: April 26, 2022
    Publication date: May 18, 2023
    Inventors: Hsiang-Chen WANG, Yu-Ming TSAO, Yu-Lin LIU
  • Patent number: 11580637
    Abstract: The present application related to a method for detecting an object image using a convolutional neural network. Firstly, obtaining feature images by Convolution kernel, and then positioning an image of an object under detected by a default box and a boundary box from the feature image. By Comparing with the sample image, the detected object image is classifying to an esophageal cancer image or a non-esophageal cancer image. Thus, detecting an input image from the image capturing device by the convolutional neural network to judge if the input image is the esophageal cancer image for helping the doctor to interpret the detected object image.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: February 14, 2023
    Assignee: National Chung Cheng University
    Inventors: Hsiang-Chen Wang, Hao-Yi Syu, Tsung-Yu Yang, Yu-Sheng Chi
  • Publication number: 20230015055
    Abstract: This application provides a method for detecting images of testing object using hyperspectral imaging. Firstly, obtaining a hyperspectral imaging information according to a reference image, hereby, obtaining corresponded hyperspectral image from an input image and obtaining corresponded feature values for operating Principal components analysis to simplify feature values. Then, obtaining feature images by Convolution kernel, and then positioning an image of an object under detected by a default box and a boundary box from the feature image. By Comparing with the esophageal cancer sample image, the image of the object under detected is classifying to an esophageal cancer image or a non-esophageal cancer image. Thus, detecting an input image from the image capturing device by the convolutional neural network to judge if the input image is the esophageal cancer image for helping the doctor to interpret the image of the object under detected.
    Type: Application
    Filed: August 5, 2021
    Publication date: January 19, 2023
    Inventors: HSIANG-CHEN WANG, TSUNG-YU YANG, YU-SHENG CHI, TING-CHUN MEN
  • Patent number: 11555996
    Abstract: A method for analyzing 2D material thin film and a system for analyzing 2D material thin film are disclosed. The detection method includes the following steps: capturing sample images of 2D material thin films; measuring the 2D material thin films by a Raman spectrometer; performing a visible light hyperspectral algorithm on the sample images by a processor to generate a plurality of visible light hyperspectral images; performing a training and validation procedure, performing an image feature algorithm on the visible light hyperspectral images, and establishing a thin film prediction model based on a validation; and capturing a thin-film image to be measured by the optical microscope, performing the visible light hyperspectral algorithm, and then generating a distribution result of the thin-film image to be measured according to an analysis of the thin film prediction model.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: January 17, 2023
    Assignee: NATIONAL CHUNG CHENG UNIVERSITY
    Inventors: Hsiang-Chen Wang, Kai-Chun Li, Kai-Hsiang Ke, Chun-Wen Liang
  • Publication number: 20220303516
    Abstract: A method of performing air pollution estimation is provided. The method is to be implemented using a processor of a computer device and includes: generating a spectral image based on an original color image of an environment under test using a spectral transformation matrix; supplying the spectral image as an input into an estimating model for air pollution estimation; and obtaining an estimation result from the estimating model indicating a degree of air pollution of the environment under test.
    Type: Application
    Filed: July 22, 2021
    Publication date: September 22, 2022
    Inventors: Hsiang-Chen WANG, Chia-Cheng HUANG, Ting-Chun MEN
  • Publication number: 20210374949
    Abstract: The present application related to a method for detecting an object image using a convolutional neural network. Firstly, obtaining feature images by Convolution kernel, and then positioning an image of an object under detected by a default box and a boundary box from the feature image. By Comparing with the sample image, the detected object image is classifying to an esophageal cancer image or a non-esophageal cancer image. Thus, detecting an input image from the image capturing device by the convolutional neural network to judge if the input image is the esophageal cancer image for helping the doctor to interpret the detected object image.
    Type: Application
    Filed: October 27, 2020
    Publication date: December 2, 2021
    Inventors: HSIANG-CHEN WANG, HAO-YI SYU, TSUNG-YU YANG, YU-SHENG CHI
  • Publication number: 20210349299
    Abstract: A method for analyzing 2D material thin film and a system for analyzing 2D material thin film are disclosed. The detection method includes the following steps: capturing sample images of 2D material thin films; measuring the 2D material thin films by a Raman spectrometer; performing a visible light hyperspectral algorithm on the sample images by a processor to generate a plurality of visible light hyperspectral images; performing a training and validation procedure, performing an image feature algorithm on the visible light hyperspectral images, and establishing a thin film prediction model based on a validation; and capturing a thin-film image to be measured by the optical microscope, performing the visible light hyperspectral algorithm, and then generating a distribution result of the thin-film image to be measured according to an analysis of the thin film prediction model.
    Type: Application
    Filed: April 20, 2021
    Publication date: November 11, 2021
    Inventors: HSIANG-CHEN WANG, KAI-CHUN LI, KAI-HSIANG KE, CHUN-WEN LIANG
  • Publication number: 20210318313
    Abstract: A biosensing chip is provided, including a substrate having a photoelectric conversion material, and an electrode disposed on the substrate and including two contact portions and an electrode pattern, wherein the photoelectric conversion material is a monocrystalline silicon material, and the electrode pattern includes micro-electrodes in the form of interdigitated sawtooth. The biosensing chip and the method using the same may distinguish a lesion site of cancer cells and the degree of cancer lesions.
    Type: Application
    Filed: July 20, 2020
    Publication date: October 14, 2021
    Applicant: NATIONAL CHUNG CHENG UNIVERSITY
    Inventors: HSIANG-CHEN WANG, Chun-Ping Jen, Hong-Wei Fan, Shin-Che Wang
  • Patent number: 9958126
    Abstract: A laser headlight optical module is disclosed herein and comprises a laser light source, a convex lens, a substrate, a mirror set, supporting rods, and a driving member. The laser light source generates a laser light and the convex lens is located at a transmitting path of the laser light generated from the laser light source and configured to focus the laser light. Yellow fluorescent powders are coated on the substrate. The mirror set is located at a transmitting path of the laser light reflected from the substrate with the phosphor layer. The supporting rods are located behind the mirror set to support the mirror set. The driving member is located behind the mirror set and connected with the supporting rods. The driving member drives the supporting rods to change a light reflective surface of the mirror set to vary an optical field.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: May 1, 2018
    Assignee: National Chung Cheng University
    Inventors: Hsiang-Chen Wang, Yuan-De Su, Yao-Ting Chiang
  • Patent number: 9895112
    Abstract: A cancerous lesion identifying method via hyper-spectral imaging technique comprises steps of: acquiring a plurality of first pathology images via an endoscopy, wherein the first pathology images are cancerous lesion images respectively; importing the first pathology images into an image processing module to acquire a plurality of first simulating spectra of the first pathology images so as to generate a principle component score diagram in accordance with the first simulating spectra; defining a plurality of triangle areas in the principle component score diagram in accordance with the first simulating spectra; determining whether a principle component score of a second simulating spectrum of a second pathology image is within any one of the triangle areas; and confirming the second pathology image belongs to one of the cancerous lesion images when the principle component score of the second simulating spectrum is within any one of the triangle areas.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: February 20, 2018
    Assignee: National Chung Cheng University
    Inventors: Hsiang-Chen Wang, Shin-Hua Chen, Shih-Wei Huang, Chiu-Jung Lai, Chu-Chi Ting