GB2583839B - Matching local image feature descriptors - Google Patents

Matching local image feature descriptors Download PDF

Info

Publication number
GB2583839B
GB2583839B GB2004414.5A GB202004414A GB2583839B GB 2583839 B GB2583839 B GB 2583839B GB 202004414 A GB202004414 A GB 202004414A GB 2583839 B GB2583839 B GB 2583839B
Authority
GB
United Kingdom
Prior art keywords
image feature
local image
feature descriptors
matching local
matching
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
GB2004414.5A
Other versions
GB2583839A (en
GB202004414D0 (en
Inventor
Smith Timothy
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 GB2004414.5A priority Critical patent/GB2583839B/en
Priority claimed from GB1805688.7A external-priority patent/GB2572755B/en
Publication of GB202004414D0 publication Critical patent/GB202004414D0/en
Publication of GB2583839A publication Critical patent/GB2583839A/en
Application granted granted Critical
Publication of GB2583839B publication Critical patent/GB2583839B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/50—Depth or shape recovery
    • G06T7/55—Depth or shape recovery from multiple images
    • G06T7/593—Depth or shape recovery from multiple images from stereo images
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/246—Analysis of motion using feature-based methods, e.g. the tracking of corners or segments
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06V10/44—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06V10/46—Descriptors for shape, contour or point-related descriptors, e.g. scale invariant feature transform [SIFT] or bags of words [BoW]; Salient regional features
    • G06V10/462—Salient features, e.g. scale invariant feature transforms [SIFT]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
    • G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
    • G06V10/757—Matching configurations of points or features
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/10—Terrestrial scenes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • Databases & Information Systems (AREA)
  • Computing Systems (AREA)
  • Artificial Intelligence (AREA)
  • Evolutionary Computation (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Software Systems (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Image Analysis (AREA)
GB2004414.5A 2018-04-05 2018-04-05 Matching local image feature descriptors Active GB2583839B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2004414.5A GB2583839B (en) 2018-04-05 2018-04-05 Matching local image feature descriptors

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1805688.7A GB2572755B (en) 2018-04-05 2018-04-05 Matching local image feature descriptors
GB2004414.5A GB2583839B (en) 2018-04-05 2018-04-05 Matching local image feature descriptors

Publications (3)

Publication Number Publication Date
GB202004414D0 GB202004414D0 (en) 2020-05-13
GB2583839A GB2583839A (en) 2020-11-11
GB2583839B true GB2583839B (en) 2021-05-05

Family

ID=70553588

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2004414.5A Active GB2583839B (en) 2018-04-05 2018-04-05 Matching local image feature descriptors

Country Status (1)

Country Link
GB (1) GB2583839B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113743418B (en) * 2020-05-28 2024-04-26 中科寒武纪科技股份有限公司 Method, device and storage medium for generating descriptors of feature points in image

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106203342A (en) * 2016-07-01 2016-12-07 广东技术师范学院 Target identification method based on multi-angle local feature coupling
CN107730543A (en) * 2017-09-08 2018-02-23 成都通甲优博科技有限责任公司 A kind of iteratively faster computational methods of half dense stereo matching
WO2018125939A1 (en) * 2016-12-30 2018-07-05 DeepMap Inc. Visual odometry and pairwise alignment for high definition map creation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106203342A (en) * 2016-07-01 2016-12-07 广东技术师范学院 Target identification method based on multi-angle local feature coupling
WO2018125939A1 (en) * 2016-12-30 2018-07-05 DeepMap Inc. Visual odometry and pairwise alignment for high definition map creation
CN107730543A (en) * 2017-09-08 2018-02-23 成都通甲优博科技有限责任公司 A kind of iteratively faster computational methods of half dense stereo matching

Also Published As

Publication number Publication date
GB2583839A (en) 2020-11-11
GB202004414D0 (en) 2020-05-13

Similar Documents

Publication Publication Date Title
GB2572755B (en) Matching local image feature descriptors
GB2560306B (en) Image processing
GB201703602D0 (en) Multi-Modal image search
GB201809345D0 (en) Image segmentation
GB2576229B (en) Image forming apparatus
GB2568326B (en) Video image processing
GB2572571B (en) Image processing
FI4085819T3 (en) Oct image processing
GB2575852B (en) Image processing
EP3605454A4 (en) Image recognition device
EP3731178A4 (en) Image comparison apparatus
CA188070S (en) Camera
GB201817317D0 (en) Image processing
GB2574052B (en) Image processing
GB201814649D0 (en) Image processing methods
GB202015765D0 (en) Image forming device
GB2583839B (en) Matching local image feature descriptors
GB201801613D0 (en) Radar image processing
EP3764319A4 (en) Image comparison device
PL3821216T3 (en) Hyperspectral camera
EP3893061A4 (en) Image forming device
SG10201908363PA (en) Image forming apparatus
EP3652938A4 (en) Image processing
GB201709889D0 (en) Image processing
GB2593994B (en) Image forming apparatus