JP7720751B2 - 画像処理装置、撮像装置、制御方法、及びプログラム - Google Patents

画像処理装置、撮像装置、制御方法、及びプログラム

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Publication number
JP7720751B2
JP7720751B2 JP2021148905A JP2021148905A JP7720751B2 JP 7720751 B2 JP7720751 B2 JP 7720751B2 JP 2021148905 A JP2021148905 A JP 2021148905A JP 2021148905 A JP2021148905 A JP 2021148905A JP 7720751 B2 JP7720751 B2 JP 7720751B2
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JP
Japan
Prior art keywords
image
hdr images
hdr
images
dynamic range
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.)
Active
Application number
JP2021148905A
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English (en)
Japanese (ja)
Other versions
JP2023041497A (ja
JP2023041497A5 (https=
Inventor
洋明 梨澤
公太 寺山
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.)
Canon Inc
Original Assignee
Canon Inc
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
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2021148905A priority Critical patent/JP7720751B2/ja
Priority to EP22191631.5A priority patent/EP4148661A1/en
Priority to US17/940,076 priority patent/US12149835B2/en
Priority to CN202211110005.0A priority patent/CN115811666A/zh
Publication of JP2023041497A publication Critical patent/JP2023041497A/ja
Publication of JP2023041497A5 publication Critical patent/JP2023041497A5/ja
Priority to US18/916,030 priority patent/US20250039554A1/en
Priority to JP2025033158A priority patent/JP7829765B2/ja
Application granted granted Critical
Publication of JP7720751B2 publication Critical patent/JP7720751B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/20—Exposure; Apparatus therefor
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/72—Combination of two or more compensation controls
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/741—Circuitry for compensating brightness variation in the scene by increasing the dynamic range of the image compared to the dynamic range of the electronic image sensors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/743—Bracketing, i.e. taking a series of images with varying exposure conditions
    • 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
    • G06T2207/10—Image acquisition modality
    • G06T2207/10141—Special mode during image acquisition
    • G06T2207/10144—Varying exposure
    • 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
    • G06T2207/20172—Image enhancement details
    • G06T2207/20208—High dynamic range [HDR] image processing
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Studio Devices (AREA)
  • Image Processing (AREA)
JP2021148905A 2021-09-13 2021-09-13 画像処理装置、撮像装置、制御方法、及びプログラム Active JP7720751B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2021148905A JP7720751B2 (ja) 2021-09-13 2021-09-13 画像処理装置、撮像装置、制御方法、及びプログラム
EP22191631.5A EP4148661A1 (en) 2021-09-13 2022-08-23 Image processing apparatus, image capturing apparatus, control method, and program
US17/940,076 US12149835B2 (en) 2021-09-13 2022-09-08 Image processing apparatus, image capturing apparatus, control method, and storage medium
CN202211110005.0A CN115811666A (zh) 2021-09-13 2022-09-13 图像处理设备、摄像设备、控制方法和存储介质
US18/916,030 US20250039554A1 (en) 2021-09-13 2024-10-15 Image processing apparatus, image capturing apparatus, control method, and storage medium
JP2025033158A JP7829765B2 (ja) 2021-09-13 2025-03-03 画像処理装置、撮像装置、制御方法、及びプログラム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021148905A JP7720751B2 (ja) 2021-09-13 2021-09-13 画像処理装置、撮像装置、制御方法、及びプログラム

Related Child Applications (1)

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JP2025033158A Division JP7829765B2 (ja) 2021-09-13 2025-03-03 画像処理装置、撮像装置、制御方法、及びプログラム

Publications (3)

Publication Number Publication Date
JP2023041497A JP2023041497A (ja) 2023-03-24
JP2023041497A5 JP2023041497A5 (https=) 2023-09-01
JP7720751B2 true JP7720751B2 (ja) 2025-08-08

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JP2021148905A Active JP7720751B2 (ja) 2021-09-13 2021-09-13 画像処理装置、撮像装置、制御方法、及びプログラム
JP2025033158A Active JP7829765B2 (ja) 2021-09-13 2025-03-03 画像処理装置、撮像装置、制御方法、及びプログラム

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Country Status (4)

Country Link
US (2) US12149835B2 (https=)
EP (1) EP4148661A1 (https=)
JP (2) JP7720751B2 (https=)
CN (1) CN115811666A (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7720751B2 (ja) * 2021-09-13 2025-08-08 キヤノン株式会社 画像処理装置、撮像装置、制御方法、及びプログラム
CN116962890B (zh) * 2023-09-21 2024-01-09 卡奥斯工业智能研究院(青岛)有限公司 点云图像的处理方法、装置、设备和存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013009104A (ja) 2011-06-23 2013-01-10 Jvc Kenwood Corp 画像処理装置及び画像処理方法
JP2020039118A (ja) 2018-09-03 2020-03-12 キヤノン株式会社 画像処理装置およびその制御方法
JP2021057626A (ja) 2019-09-26 2021-04-08 キヤノン株式会社 画像処理装置および画像処理方法、プログラム

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US8525900B2 (en) * 2009-04-23 2013-09-03 Csr Technology Inc. Multiple exposure high dynamic range image capture
US8970719B2 (en) * 2011-06-23 2015-03-03 JVC Kenwood Corporation Image processing apparatus and image processing method
JP6046966B2 (ja) 2012-04-19 2016-12-21 キヤノン株式会社 画像処理装置及び画像処理方法、プログラム、並びに記憶媒体
US9489706B2 (en) * 2012-07-02 2016-11-08 Qualcomm Technologies, Inc. Device and algorithm for capturing high dynamic range (HDR) video
JP6443857B2 (ja) * 2014-06-05 2018-12-26 キヤノン株式会社 画像処理装置、画像処理方法、及び、プログラム
JP6423625B2 (ja) * 2014-06-18 2018-11-14 キヤノン株式会社 画像処理装置および画像処理方法
CN107148780B (zh) * 2014-11-07 2020-06-16 索尼公司 发送装置、发送方法、接收装置和接收方法
JP6463179B2 (ja) * 2015-03-17 2019-01-30 キヤノン株式会社 信号処理装置、信号処理方法および撮像装置
WO2016183098A1 (en) * 2015-05-11 2016-11-17 Reald Inc. High dynamic range, high contrast projection systems
US9787909B1 (en) * 2016-03-31 2017-10-10 Stmicroelectronics (Research & Development) Limited Controlling signal-to-noise ratio in high dynamic range automatic exposure control imaging
JP6789760B2 (ja) * 2016-10-31 2020-11-25 キヤノン株式会社 撮像装置及びその制御方法、プログラム、並びに記憶媒体
JP7227719B2 (ja) * 2018-09-04 2023-02-22 キヤノン株式会社 画像処理装置、撮像装置、画像処理方法、及びプログラム
JP7373299B2 (ja) * 2019-04-26 2023-11-02 キヤノン株式会社 画像処理装置およびその制御方法
EP3917138A1 (en) * 2020-05-29 2021-12-01 Canon Kabushiki Kaisha Encoding apparatus and method, image capture apparatus, and storage medium
JP7720751B2 (ja) * 2021-09-13 2025-08-08 キヤノン株式会社 画像処理装置、撮像装置、制御方法、及びプログラム

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013009104A (ja) 2011-06-23 2013-01-10 Jvc Kenwood Corp 画像処理装置及び画像処理方法
JP2020039118A (ja) 2018-09-03 2020-03-12 キヤノン株式会社 画像処理装置およびその制御方法
JP2021057626A (ja) 2019-09-26 2021-04-08 キヤノン株式会社 画像処理装置および画像処理方法、プログラム

Also Published As

Publication number Publication date
JP2025074260A (ja) 2025-05-13
JP2023041497A (ja) 2023-03-24
US12149835B2 (en) 2024-11-19
JP7829765B2 (ja) 2026-03-13
CN115811666A (zh) 2023-03-17
US20250039554A1 (en) 2025-01-30
US20230077931A1 (en) 2023-03-16
EP4148661A1 (en) 2023-03-15

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