EP3671722A3 - Circuit device, electronic device, and vehicle - Google Patents

Circuit device, electronic device, and vehicle Download PDF

Info

Publication number
EP3671722A3
EP3671722A3 EP19217505.7A EP19217505A EP3671722A3 EP 3671722 A3 EP3671722 A3 EP 3671722A3 EP 19217505 A EP19217505 A EP 19217505A EP 3671722 A3 EP3671722 A3 EP 3671722A3
Authority
EP
European Patent Office
Prior art keywords
image
comparison
vehicle
circuit
rotation process
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19217505.7A
Other languages
German (de)
French (fr)
Other versions
EP3671722A2 (en
Inventor
Anand Kumar anandabairavasamy
Manfred Wittmeir
Eric Jeffrey
Tetsuo Kawamoto
Yasutoshi Akiba
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2019173837A external-priority patent/JP7419721B2/en
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of EP3671722A2 publication Critical patent/EP3671722A2/en
Publication of EP3671722A3 publication Critical patent/EP3671722A3/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/38—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory with means for controlling the display position
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
    • G09G2340/0435—Change or adaptation of the frame rate of the video stream
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/10—Mixing of images, i.e. displayed pixel being the result of an operation, e.g. adding, on the corresponding input pixels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/02—Graphics controller able to handle multiple formats, e.g. input or output formats
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/06—Use of more than one graphics processor to process data before displaying to one or more screens
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/08—Power processing, i.e. workload management for processors involved in display operations, such as CPUs or GPUs
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2380/00—Specific applications
    • G09G2380/10—Automotive applications

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

A circuit device includes an image processing circuit and a comparison circuit. The image processing circuit performs a first mapping process and a first rotation process on an input image to generate an image for a head up display. The image processing circuit performs, on an image, a second mapping process that is a reverse mapping process of the first mapping process and a second rotation process that is a reverse rotation process of the first rotation process to generate an image. The comparison circuit performs a comparison between the image and the image and outputs a result of the comparison as information for detecting an error in the image.
EP19217505.7A 2018-12-20 2019-12-18 Circuit device, electronic device, and vehicle Pending EP3671722A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862782640P 2018-12-20 2018-12-20
JP2019173837A JP7419721B2 (en) 2018-12-20 2019-09-25 Circuit devices, electronic equipment and mobile objects

Publications (2)

Publication Number Publication Date
EP3671722A2 EP3671722A2 (en) 2020-06-24
EP3671722A3 true EP3671722A3 (en) 2020-07-22

Family

ID=68944634

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19217505.7A Pending EP3671722A3 (en) 2018-12-20 2019-12-18 Circuit device, electronic device, and vehicle

Country Status (1)

Country Link
EP (1) EP3671722A3 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2788365A1 (en) * 1999-01-07 2000-07-13 Bernard Boisdequin Liquid crystal display for rail vehicle speed indication
US20080088527A1 (en) * 2006-10-17 2008-04-17 Keitaro Fujimori Heads Up Display System
US20110063452A1 (en) * 2009-07-21 2011-03-17 Alstom Transport Sa Device for Verifying the Integrity of an Item of Displayed Data and Associated Method
US20160307346A1 (en) * 2015-04-17 2016-10-20 Freescale Semiconductor, Inc. Display controller, heads-up image display system and method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2788365A1 (en) * 1999-01-07 2000-07-13 Bernard Boisdequin Liquid crystal display for rail vehicle speed indication
US20080088527A1 (en) * 2006-10-17 2008-04-17 Keitaro Fujimori Heads Up Display System
US20110063452A1 (en) * 2009-07-21 2011-03-17 Alstom Transport Sa Device for Verifying the Integrity of an Item of Displayed Data and Associated Method
US20160307346A1 (en) * 2015-04-17 2016-10-20 Freescale Semiconductor, Inc. Display controller, heads-up image display system and method thereof

Also Published As

Publication number Publication date
EP3671722A2 (en) 2020-06-24

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