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GB2587266B - Double-angle gradients - Google Patents

Double-angle gradients Download PDF

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Publication number
GB2587266B
GB2587266B GB2010924.5A GB202010924A GB2587266B GB 2587266 B GB2587266 B GB 2587266B GB 202010924 A GB202010924 A GB 202010924A GB 2587266 B GB2587266 B GB 2587266B
Authority
GB
United Kingdom
Prior art keywords
double
angle gradients
gradients
angle
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
GB2010924.5A
Other versions
GB2587266A (en
GB202010924D0 (en
Inventor
Lakemond Ruan
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.)
Imagination Technologies Ltd
Original Assignee
Imagination Technologies Ltd
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 Imagination Technologies Ltd filed Critical Imagination Technologies Ltd
Priority to GB2010924.5A priority Critical patent/GB2587266B/en
Priority claimed from GB1820923.9A external-priority patent/GB2575333B/en
Publication of GB202010924D0 publication Critical patent/GB202010924D0/en
Publication of GB2587266A publication Critical patent/GB2587266A/en
Application granted granted Critical
Publication of GB2587266B publication Critical patent/GB2587266B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/13—Edge detection
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • Image Processing (AREA)
GB2010924.5A 2018-12-21 2018-12-21 Double-angle gradients Active GB2587266B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2010924.5A GB2587266B (en) 2018-12-21 2018-12-21 Double-angle gradients

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2010924.5A GB2587266B (en) 2018-12-21 2018-12-21 Double-angle gradients
GB1820923.9A GB2575333B (en) 2018-12-21 2018-12-21 Double-angle gradients

Publications (3)

Publication Number Publication Date
GB202010924D0 GB202010924D0 (en) 2020-08-26
GB2587266A GB2587266A (en) 2021-03-24
GB2587266B true GB2587266B (en) 2021-11-10

Family

ID=72140082

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2010924.5A Active GB2587266B (en) 2018-12-21 2018-12-21 Double-angle gradients

Country Status (1)

Country Link
GB (1) GB2587266B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2009251208A1 (en) * 2009-12-24 2011-07-14 Canon Kabushiki Kaisha Estimation of image feature orientation

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2009251208A1 (en) * 2009-12-24 2011-07-14 Canon Kabushiki Kaisha Estimation of image feature orientation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
M Felsberg, IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE, VOL. 28, NO. 2, FEBRUARY 2006, published 2006, IEEE, pp209-222, Channel Smoothing: Efficient Robust Smoothing of Low-Level Signal Features *

Also Published As

Publication number Publication date
GB2587266A (en) 2021-03-24
GB202010924D0 (en) 2020-08-26

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20240822 AND 20240828