WO2020076265A3 - Method of shot detection from images - Google Patents

Method of shot detection from images

Info

Publication number
WO2020076265A3
WO2020076265A3 PCT/TR2019/050516 TR2019050516W WO2020076265A3 WO 2020076265 A3 WO2020076265 A3 WO 2020076265A3 TR 2019050516 W TR2019050516 W TR 2019050516W WO 2020076265 A3 WO2020076265 A3 WO 2020076265A3
Authority
WO
WIPO (PCT)
Prior art keywords
images
test
shot detection
thresholding
filter
Prior art date
Application number
PCT/TR2019/050516
Other languages
French (fr)
Other versions
WO2020076265A9 (en
WO2020076265A2 (en
Inventor
Ömer ÖZDİL
Berkan DEMİREL
Yunus Emre ESİN
Şafak ÖZTÜRK
Original Assignee
Havelsan Hava Elektronik Sanayi Ve Ticaret Anonim Sirketi
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 Havelsan Hava Elektronik Sanayi Ve Ticaret Anonim Sirketi filed Critical Havelsan Hava Elektronik Sanayi Ve Ticaret Anonim Sirketi
Publication of WO2020076265A2 publication Critical patent/WO2020076265A2/en
Publication of WO2020076265A3 publication Critical patent/WO2020076265A3/en
Publication of WO2020076265A9 publication Critical patent/WO2020076265A9/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/143—Sensing or illuminating at different wavelengths
    • 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
    • G06V10/443—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 by matching or filtering
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V2201/00—Indexing scheme relating to image or video recognition or understanding
    • G06V2201/05—Recognition of patterns representing particular kinds of hidden objects, e.g. weapons, explosives, drugs

Abstract

The inventive method relates to a method designed to detect shots from images from cameras that are cheap and light. Accordingly, the incoming image is subjected to three separate series of procedures and the results are assessed to produce a warning. The first test is the process step of the sudden change in temperature detection filter. The second test comprises the steps of frame differencing [103], disc filter [104], normalisation [105], thresholding [106], and SMFD [107], The third test is based on the step of frame differencing [103], disc filter [104], and thresholding. Then, an interdependent component analysis [108] is conducted, and presented to the user as the shot detection result [109]. Thus, it is possible to conduct a reliable shot detection in low resolution images.
PCT/TR2019/050516 2018-06-30 2019-06-28 Method of shot detection from images WO2020076265A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201809338 2018-06-30
TR2018/09338 2018-06-30

Publications (3)

Publication Number Publication Date
WO2020076265A2 WO2020076265A2 (en) 2020-04-16
WO2020076265A3 true WO2020076265A3 (en) 2020-05-28
WO2020076265A9 WO2020076265A9 (en) 2020-06-25

Family

ID=70165337

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR2019/050516 WO2020076265A2 (en) 2018-06-30 2019-06-28 Method of shot detection from images

Country Status (1)

Country Link
WO (1) WO2020076265A2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6496593B1 (en) * 1998-05-07 2002-12-17 University Research Foundation, Inc. Optical muzzle blast detection and counterfire targeting system and method
US20060050929A1 (en) * 2004-09-09 2006-03-09 Rast Rodger H Visual vector display generation of very fast moving elements
WO2007056753A2 (en) * 2005-11-08 2007-05-18 General Atomics Apparatus and methods for use in flash detection

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6496593B1 (en) * 1998-05-07 2002-12-17 University Research Foundation, Inc. Optical muzzle blast detection and counterfire targeting system and method
US20060050929A1 (en) * 2004-09-09 2006-03-09 Rast Rodger H Visual vector display generation of very fast moving elements
WO2007056753A2 (en) * 2005-11-08 2007-05-18 General Atomics Apparatus and methods for use in flash detection

Also Published As

Publication number Publication date
WO2020076265A9 (en) 2020-06-25
WO2020076265A2 (en) 2020-04-16

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