CA2996173A1 - Systeme de traitement d'image servant a inspecter la distance et les dimensions d'objets au moyen d'une camera tenue a la main equipee d'un laser collimate - Google Patents
Systeme de traitement d'image servant a inspecter la distance et les dimensions d'objets au moyen d'une camera tenue a la main equipee d'un laser collimate Download PDFInfo
- Publication number
- CA2996173A1 CA2996173A1 CA2996173A CA2996173A CA2996173A1 CA 2996173 A1 CA2996173 A1 CA 2996173A1 CA 2996173 A CA2996173 A CA 2996173A CA 2996173 A CA2996173 A CA 2996173A CA 2996173 A1 CA2996173 A1 CA 2996173A1
- Authority
- CA
- Canada
- Prior art keywords
- laser
- blob
- image
- background
- images
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
- G01C3/02—Details
- G01C3/06—Use of electric means to obtain final indication
- G01C3/08—Use of electric radiation detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/026—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/46—Indirect determination of position data
- G01S17/48—Active triangulation systems, i.e. using the transmission and reflection of electromagnetic waves other than radio waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/491—Details of non-pulse systems
- G01S7/493—Extracting wanted echo signals
-
- 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
- G06T7/521—Depth or shape recovery from laser ranging, e.g. using interferometry; from the projection of structured light
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/70—Determining position or orientation of objects or cameras
- G06T7/73—Determining position or orientation of objects or cameras using feature-based methods
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
- G01C11/02—Picture taking arrangements specially adapted for photogrammetry or photographic surveying, e.g. controlling overlapping of pictures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10024—Color image
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06T2207/20224—Image subtraction
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Optics & Photonics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Image Processing (AREA)
- Image Analysis (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2996173A CA2996173C (fr) | 2018-02-23 | 2018-02-23 | Systeme de traitement d'image servant a inspecter la distance et les dimensions d'objets au moyen d'une camera tenue a la main equipee d'un laser collimate |
PCT/CA2019/050185 WO2019161486A1 (fr) | 2018-02-23 | 2019-02-15 | Système de traitement d'images permettant d'inspecter une distance à un objet et ses dimensions à l'aide d'une caméra portative dotée d'un laser collimaté |
EP19757887.5A EP3755968A4 (fr) | 2018-02-23 | 2019-02-15 | Système de traitement d'images permettant d'inspecter une distance à un objet et ses dimensions à l'aide d'une caméra portative dotée d'un laser collimaté |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2996173A CA2996173C (fr) | 2018-02-23 | 2018-02-23 | Systeme de traitement d'image servant a inspecter la distance et les dimensions d'objets au moyen d'une camera tenue a la main equipee d'un laser collimate |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2996173A1 true CA2996173A1 (fr) | 2019-08-23 |
CA2996173C CA2996173C (fr) | 2020-02-18 |
Family
ID=67683000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2996173A Active CA2996173C (fr) | 2018-02-23 | 2018-02-23 | Systeme de traitement d'image servant a inspecter la distance et les dimensions d'objets au moyen d'une camera tenue a la main equipee d'un laser collimate |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3755968A4 (fr) |
CA (1) | CA2996173C (fr) |
WO (1) | WO2019161486A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112711017B (zh) * | 2020-12-30 | 2022-08-16 | 上海微波技术研究所(中国电子科技集团公司第五十研究所) | 基于背景消除和改进连通域算法的fod自动识别方法及系统 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4521106A (en) * | 1982-08-18 | 1985-06-04 | Eastman Kodak Company | Image sensor and rangefinder device with background subtraction using interlaced analog shift register |
JP4644540B2 (ja) * | 2005-06-28 | 2011-03-02 | 富士通株式会社 | 撮像装置 |
US8792559B2 (en) * | 2010-10-26 | 2014-07-29 | Sony Corporation | Method to improve accuracy and reliability of motion estimated with phase correlation |
EP2652441B1 (fr) * | 2010-12-13 | 2017-09-13 | IKEGPS Group Limited | Dispositifs, instruments et procédés de mesure mobiles |
US9709387B2 (en) * | 2012-11-21 | 2017-07-18 | Mitsubishi Electric Corporation | Image generation device for acquiring distances of objects present in image space |
US9897688B2 (en) * | 2013-11-30 | 2018-02-20 | Bae Systems Information And Electronic Systems Integration Inc. | Laser detection and image fusion system and method |
-
2018
- 2018-02-23 CA CA2996173A patent/CA2996173C/fr active Active
-
2019
- 2019-02-15 EP EP19757887.5A patent/EP3755968A4/fr not_active Withdrawn
- 2019-02-15 WO PCT/CA2019/050185 patent/WO2019161486A1/fr unknown
Also Published As
Publication number | Publication date |
---|---|
WO2019161486A1 (fr) | 2019-08-29 |
EP3755968A4 (fr) | 2022-06-29 |
EP3755968A1 (fr) | 2020-12-30 |
CA2996173C (fr) | 2020-02-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request |
Effective date: 20190905 |