Patents Assigned to Vieworks Co., Ltd.
  • Patent number: 11911202
    Abstract: Provided is a method for compensating scattering of an X-ray image, which includes: (a) receiving an original X-ray image as an input; (b) initializing a primary image into the original X-ray image; (c) estimating a scattered image from the primary image; (d) updating the primary image by using the original X-ray image and the scattered image; (e) judging whether a termination condition is satisfied; (f) iterating steps (c) to (e) above by using the primary image updated through step (d) above into the primary image for step (c) above when the termination condition is not satisfied; and (g) outputting the primary image updated through step (d) above as a scattering compensated image when the termination condition is satisfied.
    Type: Grant
    Filed: February 25, 2022
    Date of Patent: February 27, 2024
    Assignee: VIEWORKS CO., LTD.
    Inventor: Ju Yon Leem
  • Patent number: 11719616
    Abstract: Disclosed are an optical analysis device and an optical analysis method. The present invention provides an optical analysis device for optically analyzing a flow cell, including: a light source configured to emit light to the flow cell; an optical detector including a plurality of detection elements that detects optical signals from reaction regions of the flow cell; and an optical mask including light transmissive mask holes disposed at a front end of each of the detection elements, and an optical analysis method using the same.
    Type: Grant
    Filed: November 5, 2020
    Date of Patent: August 8, 2023
    Assignee: Vieworks Co., Ltd.
    Inventors: Young Ho Kim, You Jung Kang
  • Publication number: 20230046634
    Abstract: Provided are an image acquisition device and a method for adjusting a focus position using the same, which can acquire an accurate focus position without a decrease in light amount incident in an image photographing sensor. The image acquisition device according to an exemplary embodiment of the present invention includes: a first sensor collecting some of the beams projected from a sample to generate a first image; and a second sensor collecting at least some of the remaining beams of the beams projected from the sample to generate a second image for measuring a focus position, in which a focus of the first sensor is adjusted by the focus position measured by using the second sensor.
    Type: Application
    Filed: August 9, 2022
    Publication date: February 16, 2023
    Applicant: VIEWORKS CO., LTD.
    Inventor: Chang Woo KANG
  • Publication number: 20230037670
    Abstract: Provided are an image acquisition device which increases a small depth of field of an objective lens to acquire a high depth of field image and an image acquisition method using the same. The image acquisition device according to an exemplary embodiment of the present disclosure is an image acquisition device which acquires an image of a subject including an image collection unit; and an objective lens unit disposed below the image collection unit, and the image collection unit generates an image in which Z-axis signals are superposed within a range corresponding to a thickness of the subject, in an area to be captured of the subject.
    Type: Application
    Filed: August 5, 2022
    Publication date: February 9, 2023
    Applicant: VIEWORKS CO., LTD.
    Inventors: Hyun Suk JANG, Yu Jung KANG, Min Gyu JIN
  • Patent number: 11563906
    Abstract: A TDI sensor which is capable of controlling the exposure according to the present disclosure includes a pixel unit which includes a plurality of line sensors; a light blocking unit which blocks light from being incident into some of the plurality of line sensors; a scan controller which generates an exposure control signal based on an external line trigger signal, generates an internal line trigger signal based on the external line trigger signal and the exposure control signal, and controls the movement of charges of the plurality of line sensors based on the internal line trigger signal.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: January 24, 2023
    Assignee: VIEWORKS CO., LTD.
    Inventors: Young Ho Kim, Young Young Sim
  • Publication number: 20230016805
    Abstract: Provided are a multi-panel detector including a marker to accurately match images photographed on a plurality of panels, and an imaging system including the same. A detector according to an exemplary embodiment of the present invention includes: a panel unit including a first panel and a second panel disposed while partially overlapping a rear portion of an end of the first panel; at least one marker disposed between a front portion of the first panel and a front portion of the second panel; and a radiation transmitting part formed at an end of the first panel and provided with the marker.
    Type: Application
    Filed: July 14, 2022
    Publication date: January 19, 2023
    Applicant: VIEWORKS CO., LTD.
    Inventors: In Dong KIM, Su Hyeon AN
  • Publication number: 20230005155
    Abstract: A high depth of field image generating apparatus according to the present disclosure includes a region segmentation unit which segments a region for a stereo image to generate region data, a depth estimating unit which estimates depths for the stereo image to generate depth data, and a high depth of field image generating unit which generates a high depth of field image from the stereo image, the region data, and the depth data.
    Type: Application
    Filed: July 1, 2022
    Publication date: January 5, 2023
    Applicant: VIEWORKS CO., LTD.
    Inventors: Yu Jung KANG, Min Gyu JIN
  • Patent number: 11530981
    Abstract: Disclosed is a system for analyzing a display device, the system including: an image photographing device configured to photograph an image for inspection output from a display device to be inspected and obtain an RGB value for inspection from the photographed image; and an inspection control unit configured to convert the RGB value for inspection into a CIE XYZ value by using a previously prepared color conversion function, and determine defect of the display device to be inspected by using the converted CIE XYZ value.
    Type: Grant
    Filed: April 8, 2021
    Date of Patent: December 20, 2022
    Assignee: VIEWORKS CO., LTD.
    Inventors: Seung Hyun Kim, Gi Ryong Choi, Jin Hee Oh, Yoon Hyuk Lee
  • Publication number: 20220372613
    Abstract: A substrate fixing device according to the present invention is a substrate fixing device configured to fix a substrate so that a deposition material evaporated from at least one evaporation source is deposited on the substrate. The substrate fixing device includes a substrate temperature adjustment part configured to transfer heat to the substrate, and a substrate fixing part coupled to one side of the substrate temperature adjustment part and configured to fix the substrate, in which the substrate fixing part fixes the substrate so that a front surface of the substrate is exposed in a direction toward the evaporation source, and in which a space is formed between the substrate fixing part and a rear surface of the substrate.
    Type: Application
    Filed: September 23, 2020
    Publication date: November 24, 2022
    Applicant: VIEWORKS CO., LTD.
    Inventor: In Hyuck RYU
  • Publication number: 20220292656
    Abstract: Provided is a method for bone suppression in an X-ray image, which includes: extracting an upper contour line and a lower contour line corresponding to a bone to be suppressed from the original X-ray image; generating a first binarization image and a second binarization image based on the upper contour line and the lower contour line, respectively; generating a first distance transform image and a second distance transform image from the first binarization image and the second binarization image, respectively through distance transform; generating a compensated first X-ray image and a compensated second X-ray image by compensating a pixel value of a region which belongs to the bone by using the first distance transform image and the second distance transform image, respectively from the original X-ray image; and synthesizing the compensated first X-ray image and the compensated second X-ray image to obtain a bone-suppressed X-ray image.
    Type: Application
    Filed: March 10, 2022
    Publication date: September 15, 2022
    Applicant: VIEWORKS CO., LTD.
    Inventor: Young Joo HAN
  • Publication number: 20220280735
    Abstract: Disclosed is an anesthetic gas distribution device capable of being easily adjusted to conform to various conditions of a sample. An anesthetic gas distribution device according to an embodiment of the present invention includes a manifold block including a main block and one or more sub-blocks coupled to one side or two opposite sides of the main block so as to be separable in a first direction, the manifold block being configured to be supplied with the gas from the outside, and supply nozzles connected to the manifold block in a second direction perpendicular to the first direction and configured to supply the gas to the sample.
    Type: Application
    Filed: March 2, 2022
    Publication date: September 8, 2022
    Applicant: VIEWORKS CO., LTD.
    Inventor: Yeong Hyeon PYEON
  • Publication number: 20220280128
    Abstract: Provided is a method for compensating scattering of an X-ray image, which includes: (a) receiving an original X-ray image as an input; (b) initializing a primary image into the original X-ray image; (c) estimating a scattered image from the primary image; (d) updating the primary image by using the original X-ray image and the scattered image; (e) judging whether a termination condition is satisfied; (f) iterating steps (c) to (e) above by using the primary image updated through step (d) above into the primary image for step (c) above when the termination condition is not satisfied; and (g) outputting the primary image updated through step (d) above as a scattering compensated image when the termination condition is satisfied.
    Type: Application
    Filed: February 25, 2022
    Publication date: September 8, 2022
    Applicant: VIEWORKS CO., LTD.
    Inventor: Ju Yon LEEM
  • Patent number: 11378527
    Abstract: The present invention relates to an apparatus and a method for inspecting battery cells for automation of total inspection. To this end, the present invention is configured such that test objects are sequentially stacked on a test object casing provided on an upper portion of a mounting stage of a main stage, images of the test objects are obtained by radiography after the test object casing is moved to a test object inspection unit, and the test objects stacked on the test object casing are unloaded to the outside after the images are obtained. Accordingly, the present invention enables total inspection to be performed on battery cells, which are the test objects, in order to quickly divide good and defective products, and solves a delay of a flow rate caused by X-ray inspection of the test object inspection unit in order to improve productivity and efficiency.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: July 5, 2022
    Assignee: VIEWORKS CO., LTD.
    Inventors: Kang Heo, Sang Woo Son, Gwan Su Lee, Doo Ho Kim
  • Patent number: 11343453
    Abstract: Disclosed is a time delayed integration (TDI) image sensor capable of exposure control, including a pixel area including a plurality of line sensors, a light mask configured to block the incidence of light on part of the line sensors, and a scan controller configured to generate a line control signal and an exposure control signal based on the line trigger signal and to control movement of charges in the plurality of line sensors based on the generated line control signal and exposure control signal.
    Type: Grant
    Filed: July 18, 2020
    Date of Patent: May 24, 2022
    Assignee: VIEWORKS CO., LTD.
    Inventors: Young Ho Kim, Young Young Sim
  • Patent number: 11266367
    Abstract: Provided is a mammography device including: a C-arm including an irradiation unit configured to emit radioactive rays to a subject, and a detection unit on which the subject is disposed; a compression paddle coupled to the C-arm and configured to compress the subject; a carrying unit configured to move the compression paddle upward or downward; a drive unit configured to transmit power to the carrying unit; a belt support unit coupled to an upper portion of a main body of the C-arm and configured to support one side of a belt that operates in conjunction with an operation of the carrying unit; and a fall prevention unit coupled to one side of the belt support unit and configured to restrict an operation of the belt support unit when a rotation angle of the C-arm is a predetermined angle or more.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: March 8, 2022
    Assignee: VIEWORKS CO., LTD.
    Inventor: Soon Gil Hong
  • Patent number: 11212474
    Abstract: The present disclosure provides a bidirectional TDI line image sensor. The bidirectional TDI line image sensor according to one embodiment of the present invention comprises: a pixel unit, which has N line sensors having M CCDs arranged in a line and being arranged in a scan direction, moves, in the scan direction, charges accumulated in the respective columns of the line sensors, and accumulates the same; and an output unit for parallelly receiving as inputs the charges accumulated in the pixel unit from the respective columns, performing analog-to-digital conversion on and storing the charges, and then sequentially outputting same.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: December 28, 2021
    Assignee: VIEWORKS Co., LTD.
    Inventors: Jung Hyun Nam, Kyoung Ryoul Seo
  • Publication number: 20210385396
    Abstract: A TDI sensor which is capable of controlling the exposure according to the present disclosure includes a pixel unit which includes a plurality of line sensors; a light blocking unit which blocks light from being incident into some of the plurality of line sensors; a scan controller which generates an exposure control signal based on an external line trigger signal, generates an internal line trigger signal based on the external line trigger signal and the exposure control signal, and controls the movement of charges of the plurality of line sensors based on the internal line trigger signal.
    Type: Application
    Filed: June 2, 2021
    Publication date: December 9, 2021
    Applicant: VIEWORKS CO., LTD.
    Inventors: Young Ho KIM, Young Young SIM
  • Publication number: 20210318232
    Abstract: Disclosed is a system for analyzing a display device, the system including: an image photographing device configured to photograph an image for inspection output from a display device to be inspected and obtain an RGB value for inspection from the photographed image; and an inspection control unit configured to convert the RGB value for inspection into a CIE XYZ value by using a previously prepared color conversion function, and determine defect of the display device to be inspected by using the converted CIE XYZ value.
    Type: Application
    Filed: April 8, 2021
    Publication date: October 14, 2021
    Applicant: VIEWORKS CO., LTD.
    Inventors: Seung Hyun KIM, Gi Ryong CHOI, Jin Hee OH, Yoon Hyuk LEE
  • Publication number: 20210315533
    Abstract: The present invention relates to a mammography apparatus and a mammography method. The present invention provides a mammography apparatus and a mammography method including: a preliminary imaging step of performing imaging on a breast by emitting radiation in accordance with a first imaging condition; a second imaging condition determination step of determining a second imaging condition in accordance with a first image acquired in the preliminary imaging step; and a main imaging step of performing imaging on the breast by emitting the radiation on the basis of the second imaging condition, in which a uncompressed region in which the breast is not compressed is excluded when determining the second imaging condition.
    Type: Application
    Filed: April 9, 2021
    Publication date: October 14, 2021
    Applicant: VIEWORKS CO., LTD.
    Inventor: Seung Gyu KIM
  • Patent number: 11134910
    Abstract: Disclosed is a mammography device capable of recognizing a target person, the mammography device including: a body unit; an arm frame connected to the body unit, and rotating in a clockwise or counterclockwise direction; an X-ray generator placed at a top of the arm frame, and emitting X-rays; a mammography plate provided at a position corresponding to the X-ray generator, and obtaining an X-ray image of a breast of a target person; a compression unit placed between the X-ray generator and the mammography plate, and moving vertically to compress a target part; a sensor unit placed inside the mammography plate, and detecting whether the target person is present; and a control unit controlling an operation of the arm frame on the basis of whether the target person is detected by the sensor unit. Accordingly, a safety accident that may occur in a mammography process using the mammography device is reduced.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: October 5, 2021
    Assignee: VIEWORKS CO., LTD.
    Inventor: Seok Jong Kim