JP7605832B2 - 画像のデワープ回路 - Google Patents

画像のデワープ回路 Download PDF

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Publication number
JP7605832B2
JP7605832B2 JP2022515656A JP2022515656A JP7605832B2 JP 7605832 B2 JP7605832 B2 JP 7605832B2 JP 2022515656 A JP2022515656 A JP 2022515656A JP 2022515656 A JP2022515656 A JP 2022515656A JP 7605832 B2 JP7605832 B2 JP 7605832B2
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image
pixels
blocks
dewarping
stride
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Japanese (ja)
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JP2022548556A5 (enExample
JP2022548556A (ja
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マンチ、チャンドラナート
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シナプティクス インコーポレイテッド
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/20—Processor architectures; Processor configuration, e.g. pipelining
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—Three-dimensional [3D] image rendering
    • G06T15/005—General purpose rendering architectures
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/18—Image warping, e.g. rearranging pixels individually
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/80—Geometric correction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/11—Region-based segmentation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20021—Dividing image into blocks, subimages or windows
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20212—Image combination
    • G06T2207/20221—Image fusion; Image merging

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Graphics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Image Processing (AREA)
  • Geometry (AREA)
  • Studio Devices (AREA)
JP2022515656A 2019-09-20 2020-06-03 画像のデワープ回路 Active JP7605832B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16/577,275 2019-09-20
US16/577,275 US11669942B2 (en) 2019-09-20 2019-09-20 Image de-warping system
PCT/US2020/035847 WO2021055027A1 (en) 2019-09-20 2020-06-03 Image de-warping system

Publications (3)

Publication Number Publication Date
JP2022548556A JP2022548556A (ja) 2022-11-21
JP2022548556A5 JP2022548556A5 (enExample) 2023-06-01
JP7605832B2 true JP7605832B2 (ja) 2024-12-24

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JP2022515656A Active JP7605832B2 (ja) 2019-09-20 2020-06-03 画像のデワープ回路

Country Status (5)

Country Link
US (1) US11669942B2 (enExample)
JP (1) JP7605832B2 (enExample)
KR (1) KR102801739B1 (enExample)
CN (1) CN114375459B (enExample)
WO (1) WO2021055027A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11544895B2 (en) * 2018-09-26 2023-01-03 Coherent Logix, Inc. Surround view generation
US11132831B1 (en) * 2020-03-02 2021-09-28 Qualcomm Incorporated Methods and apparatus for efficient multi-view rasterization
KR102853922B1 (ko) * 2020-06-16 2025-09-01 삼성전자주식회사 화질 튜닝을 수행하는 이미지 처리 시스템 및 화질 튜닝 방법
US12175622B1 (en) * 2021-03-12 2024-12-24 Xilinx, Inc. Smart cache implementation for image warping
US12437364B2 (en) * 2021-08-19 2025-10-07 Mediatek Singapore Pte. Ltd. Region-of-interest (ROI) guided sampling for AI super resolution transfer learning feature adaptation
WO2024058436A1 (ko) * 2022-09-13 2024-03-21 삼성전자 주식회사 영상을 표시하는 전자 장치 및 이의 제어 방법
KR102866142B1 (ko) * 2025-03-28 2025-10-14 주식회사 엘케이벤쳐스 Lut 생성 및 적용 서비스 제공 장치 및 방법

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009164674A (ja) 2007-12-28 2009-07-23 Akuseru:Kk ディストーション補正装置
US20130016918A1 (en) 2011-07-13 2013-01-17 Akshayakumar Haribhatt Wide-Angle Lens Image Correction
JP2017017672A (ja) 2015-07-01 2017-01-19 株式会社リコー 画像処理装置、画像処理方法および画像処理プログラム

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10039248C2 (de) * 2000-08-11 2002-10-24 Zeiss Carl Jena Gmbh Verfahren zur elektronischen Bildentzerrung bei Laser-Scan-Einrichtungen
US20080088528A1 (en) * 2006-10-17 2008-04-17 Takashi Shindo Warp Image Circuit
US8078001B2 (en) * 2007-05-11 2011-12-13 Micron Technology, Inc. Methods, apparatuses and systems for piecewise generation of pixel correction values for image processing
US9357228B2 (en) * 2010-05-27 2016-05-31 The Hong Kong University Of Science And Technology Motion estimation of images
WO2013130082A1 (en) 2012-03-01 2013-09-06 Geo Semiconductor Inc. Method and system for adaptive perspective correction of ultra wide-angle lens images
US20150131924A1 (en) 2013-11-13 2015-05-14 Microsoft Corporation Creation of Rectangular Images from Input Images
US9196022B2 (en) * 2014-03-10 2015-11-24 Omnivision Technologies, Inc. Image transformation and multi-view output systems and methods
US10062180B2 (en) * 2014-04-22 2018-08-28 Microsoft Technology Licensing, Llc Depth sensor calibration and per-pixel correction
CN105321147B (zh) * 2014-06-25 2019-04-12 腾讯科技（深圳）有限公司 图像处理的方法及装置
US10659750B2 (en) * 2014-07-23 2020-05-19 Apple Inc. Method and system for presenting at least part of an image of a real object in a view of a real environment, and method and system for selecting a subset of a plurality of images
US20160119551A1 (en) 2014-10-22 2016-04-28 Sentry360 Optimized 360 Degree De-Warping with Virtual Cameras
KR20170007069A (ko) 2015-07-08 2017-01-18 주식회사 케이티 파노라믹 비디오의 왜곡보정 방법 및 장치
US10523865B2 (en) * 2016-01-06 2019-12-31 Texas Instruments Incorporated Three dimensional rendering for surround view using predetermined viewpoint lookup tables
KR102500836B1 (ko) 2016-09-27 2023-02-16 한화테크윈 주식회사 광각 영상 처리 방법 및 이를 위한 장치
JP6707022B2 (ja) * 2016-12-26 2020-06-10 日立オートモティブシステムズ株式会社 ステレオカメラ
EP3343445A1 (en) * 2016-12-28 2018-07-04 Thomson Licensing Method and apparatus for encoding and decoding lists of pixels
US10540742B2 (en) * 2017-04-27 2020-01-21 Apple Inc. Image warping in an image processor
US10796402B2 (en) * 2018-10-19 2020-10-06 Tusimple, Inc. System and method for fisheye image processing
US20210042890A1 (en) * 2019-08-05 2021-02-11 Nxp Usa, Inc. Adaptive Tiles for Geometric Correction

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009164674A (ja) 2007-12-28 2009-07-23 Akuseru:Kk ディストーション補正装置
US20130016918A1 (en) 2011-07-13 2013-01-17 Akshayakumar Haribhatt Wide-Angle Lens Image Correction
JP2017017672A (ja) 2015-07-01 2017-01-19 株式会社リコー 画像処理装置、画像処理方法および画像処理プログラム

Also Published As

Publication number Publication date
CN114375459A (zh) 2022-04-19
JP2022548556A (ja) 2022-11-21
CN114375459B (zh) 2026-06-05
KR102801739B1 (ko) 2025-04-28
KR20220066917A (ko) 2022-05-24
WO2021055027A1 (en) 2021-03-25
US20210090220A1 (en) 2021-03-25
US11669942B2 (en) 2023-06-06

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