JP6462209B2 - 計測装置及び計測方法 - Google Patents
計測装置及び計測方法 Download PDFInfo
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- JP6462209B2 JP6462209B2 JP2013250378A JP2013250378A JP6462209B2 JP 6462209 B2 JP6462209 B2 JP 6462209B2 JP 2013250378 A JP2013250378 A JP 2013250378A JP 2013250378 A JP2013250378 A JP 2013250378A JP 6462209 B2 JP6462209 B2 JP 6462209B2
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- 238000000034 method Methods 0.000 title description 21
- 210000000744 eyelid Anatomy 0.000 claims description 87
- 238000005259 measurement Methods 0.000 claims description 40
- 238000003384 imaging method Methods 0.000 claims description 29
- 210000005252 bulbus oculi Anatomy 0.000 claims description 25
- 210000004087 cornea Anatomy 0.000 claims description 19
- 238000004364 calculation method Methods 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 10
- 238000005286 illumination Methods 0.000 claims description 9
- 230000006870 function Effects 0.000 claims description 8
- 238000000691 measurement method Methods 0.000 claims description 8
- 210000001508 eye Anatomy 0.000 description 44
- 238000012360 testing method Methods 0.000 description 12
- 230000037303 wrinkles Effects 0.000 description 9
- 230000004397 blinking Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 210000001747 pupil Anatomy 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 210000000720 eyelash Anatomy 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000000149 argon plasma sintering Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000013500 data storage Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 210000004709 eyebrow Anatomy 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 235000002673 Dioscorea communis Nutrition 0.000 description 1
- 241000544230 Dioscorea communis Species 0.000 description 1
- 208000035753 Periorbital contusion Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000004424 eye movement Effects 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/113—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining or recording eye movement
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/102—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for optical coherence tomography [OCT]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0008—Apparatus for testing the eyes; Instruments for examining the eyes provided with illuminating means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0016—Operational features thereof
- A61B3/0025—Operational features thereof characterised by electronic signal processing, e.g. eye models
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/14—Arrangements specially adapted for eye photography
-
- 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
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
-
- 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
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/18—Eye characteristics, e.g. of the iris
- G06V40/19—Sensors therefor
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/01—Indexing scheme relating to G06F3/01
- G06F2203/011—Emotion or mood input determined on the basis of sensed human body parameters such as pulse, heart rate or beat, temperature of skin, facial expressions, iris, voice pitch, brain activity patterns
-
- 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
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30196—Human being; Person
- G06T2207/30201—Face
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- General Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Eye Examination Apparatus (AREA)
- Image Analysis (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Image Processing (AREA)
Description
・瞼の移動距離
・移動時の最大速度
・移動期間
・まばたき動作の間隔
または、以下のいずれかの条件によって選別されたまばたきの回数もまばたき特徴量として用いることができる。
・まばたき時の瞼移動距離閾値より短い移動量のまばたき
・まばたき時の瞼速度閾値より遅いまばたき
・まばたき時の期間閾値より短期間に行われたまばたき
Claims (7)
- 被験者の瞼位置を計測する計測装置であって、
被験者の眼球の角膜表面上に反射像を形成させる縦長の発光領域を生成する発光体と、
前記発光体により形成された前記反射像を撮像する撮像部と、
前記撮像部によって取得された前記反射像の画像データを基に、前記反射像のサイズ或いは位置に関する反射像情報を導出し、前記反射像情報に基づいて前記瞼位置を計測する演算部と、
を備え、
前記発光体は、前記発光領域を生成する表示装置であり、
前記計測装置は、前記表示装置を備えるタブレット端末、携帯電話機、あるいは、スマートフォンである、
計測装置。 - 前記演算部は、前記反射像情報として、前記反射像の面積、強度、長さ、及び長さの比のうち少なくとも1つを導出する、
請求項1記載の計測装置。 - 前記演算部は、前記反射像情報として、前記反射像の特徴点の座標を導出する、
請求項1記載の計測装置。 - 前記発光体は、帯状の発光領域を生成する、
請求項1〜3のいずれか1項に記載の計測装置。 - 前記撮像部の光軸は、前記発光体と前記眼球とを結ぶ軸に対して前記角膜表面上で斜めに向くように設定される、
請求項1〜4のいずれか1項に記載の計測装置。 - 前記撮像部と前記発光体としての表示装置とを備える端末装置であり、
前記表示装置は、画面上に前記発光領域を生成することにより前記発光体として機能する、
請求項1〜5のいずれか1項に記載の計測装置。 - 被験者の瞼位置を計測する計測方法であって、
縦長の発光領域を生成する発光体を用いて、被験者の眼球の角膜表面上に反射像を形成させる照明ステップと、
前記照明ステップにより形成された前記反射像を撮像する撮像ステップと、
撮像ステップによって取得された前記反射像の画像データを基に、前記反射像のサイズ或いは位置に関する反射像情報を導出し、前記反射像情報に基づいて前記瞼位置を計測する演算ステップと
を備え、
前記照明ステップでは、前記発光体として、前記発光領域を生成する表示装置を用い、
前記照明ステップ、前記撮像ステップ、及び前記演算ステップでは、前記表示装置を備えるタブレット端末、携帯電話機、あるいは、スマートフォンを計測装置として用いる、
計測方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013250378A JP6462209B2 (ja) | 2013-12-03 | 2013-12-03 | 計測装置及び計測方法 |
PCT/JP2014/080238 WO2015083524A1 (ja) | 2013-12-03 | 2014-11-14 | 計測装置及び計測方法 |
US15/101,169 US10722112B2 (en) | 2013-12-03 | 2014-11-14 | Measuring device and measuring method |
CN201480065934.1A CN105792730B (zh) | 2013-12-03 | 2014-11-14 | 测量装置和测量方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013250378A JP6462209B2 (ja) | 2013-12-03 | 2013-12-03 | 計測装置及び計測方法 |
Publications (2)
Publication Number | Publication Date |
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JP2015107155A JP2015107155A (ja) | 2015-06-11 |
JP6462209B2 true JP6462209B2 (ja) | 2019-01-30 |
Family
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JP2013250378A Active JP6462209B2 (ja) | 2013-12-03 | 2013-12-03 | 計測装置及び計測方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10722112B2 (ja) |
JP (1) | JP6462209B2 (ja) |
CN (1) | CN105792730B (ja) |
WO (1) | WO2015083524A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6227996B2 (ja) * | 2013-12-18 | 2017-11-08 | 浜松ホトニクス株式会社 | 計測装置及び計測方法 |
DE102015211444A1 (de) * | 2015-06-22 | 2016-12-22 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Unterscheiden von Blinzelereignissen und Instrumentenblicken unter Verwendung einer Augenöffnungsweite |
JP6917708B2 (ja) * | 2016-02-29 | 2021-08-11 | 株式会社デンソー | 運転者監視システム |
CN107224292B (zh) * | 2017-05-27 | 2019-12-31 | 西南交通大学 | 一种调度员的注意广度的测试方法和*** |
JP7109193B2 (ja) * | 2018-01-05 | 2022-07-29 | ラピスセミコンダクタ株式会社 | 操作判定装置及び操作判定方法 |
KR20200144196A (ko) | 2019-06-17 | 2020-12-29 | 삼성전자주식회사 | 전자 장치 및 각막 이미지를 이용한 전자 장치의 기능 제공 방법 |
KR102281927B1 (ko) * | 2019-11-27 | 2021-07-26 | 고큐바테크놀로지 주식회사 | 다양한 상태의 눈을 위한 동공 추적 방법 및 이를 이용한 건강 진단 시스템 |
JP7421436B2 (ja) * | 2020-07-14 | 2024-01-24 | 株式会社日立製作所 | 位置検出装置 |
CN112568992A (zh) * | 2020-12-04 | 2021-03-30 | 上海交通大学医学院附属第九人民医院 | 基于3d扫描眼睑参数测量方法、装置、设备和介质 |
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-
2013
- 2013-12-03 JP JP2013250378A patent/JP6462209B2/ja active Active
-
2014
- 2014-11-14 WO PCT/JP2014/080238 patent/WO2015083524A1/ja active Application Filing
- 2014-11-14 CN CN201480065934.1A patent/CN105792730B/zh active Active
- 2014-11-14 US US15/101,169 patent/US10722112B2/en active Active
Also Published As
Publication number | Publication date |
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US10722112B2 (en) | 2020-07-28 |
US20160302662A1 (en) | 2016-10-20 |
JP2015107155A (ja) | 2015-06-11 |
CN105792730B (zh) | 2018-03-20 |
CN105792730A (zh) | 2016-07-20 |
WO2015083524A1 (ja) | 2015-06-11 |
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