JP2007313358A5 - - Google Patents
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- JP2007313358A5 JP2007313358A5 JP2007205124A JP2007205124A JP2007313358A5 JP 2007313358 A5 JP2007313358 A5 JP 2007313358A5 JP 2007205124 A JP2007205124 A JP 2007205124A JP 2007205124 A JP2007205124 A JP 2007205124A JP 2007313358 A5 JP2007313358 A5 JP 2007313358A5
- Authority
- JP
- Japan
- Prior art keywords
- image
- finger
- light
- image data
- light source
- 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
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- 210000003462 Veins Anatomy 0.000 claims 5
- 238000003384 imaging method Methods 0.000 claims 4
- 206010041349 Somnolence Diseases 0.000 claims 3
- 238000002835 absorbance Methods 0.000 claims 2
- 230000037321 sleepiness Effects 0.000 claims 2
- 108010064719 Oxyhemoglobins Proteins 0.000 claims 1
- 108010002255 deoxyhemoglobin Proteins 0.000 claims 1
Claims (8)
上記光源は異なる２つの波長の光を照射し、
上記撮像部は上記波長ごとに第１画像と第２画像を撮像し、
上記演算部は上記第１画像と上記第２画像における画像データを夫々取得し、夫々の当該画像データから各画素毎にオキシヘモグロビンとデオキシヘモグロビンの存在比率を求め、上記存在比率を各画素毎にプロットすることにより静脈パターン画像を得ることを特徴とする装置。 A light source that irradiates light on a user's hand or finger, an imaging unit that images light reflected or transmitted from the finger, and an arithmetic unit that analyzes an image captured by the imaging unit,
The light source emits light of two different wavelengths,
The imaging unit captures a first image and a second image for each wavelength,
The arithmetic unit acquires image data in the first image and the second image, obtains an abundance ratio of oxyhemoglobin and deoxyhemoglobin for each pixel from the image data, and calculates the abundance ratio for each pixel. An apparatus for obtaining a vein pattern image by plotting.
上記演算部は、上記画像データに基づいて上記第１画像と上記第２画像それぞれについて各画像毎の輝度値を各画素毎に吸光度に変換し、上記第１画像と上記第２画像の各画素毎の吸光度の差から上記存在比率を求めることを特徴とする装置。 The apparatus of claim 1.
The arithmetic unit converts a luminance value for each image into an absorbance for each pixel for each of the first image and the second image based on the image data, and each pixel of the first image and the second image. An apparatus characterized in that the abundance ratio is obtained from a difference in absorbance for each.
上記利用者の手または指の静脈パターン画像を登録する記録部をさらに有し、
上記演算部は、上記撮像された画像に基づく上記画像データと上記登録された静脈パターン画像データを用いて上記利用者の認証を行うことを特徴とする装置。 The apparatus of claim 1.
A recording unit for registering a vein pattern image of the user's hand or finger;
The said calculating part authenticates the said user using the said image data based on the said imaged image, and the said registered vein pattern image data .
上記演算部は、上記静脈パターンの画像データから脈拍を検出することで眠気を検知することを特徴とする装置。 The apparatus of claim 1.
The said calculating part detects sleepiness by detecting a pulse from the image data of the said vein pattern , The apparatus characterized by the above-mentioned.
上記演算部は、上記撮像された画像における静脈パターンの占有面積を計測することにより上記利用者の眠気を検知することを特徴とする装置。 The apparatus of claim 1.
The said calculating part detects the sleepiness of the said user by measuring the occupation area of the vein pattern in the said imaged image, The apparatus characterized by the above-mentioned.
上記光源および上記撮像部がハンドルに取り付けられていることを特徴とする装置。 The apparatus of claim 1.
The apparatus, wherein the light source and the imaging unit are attached to a handle.
さらに警報発生部を有し、上記演算部が上記眠気を検出した場合に、上記警報発生部が警報を発することを特徴とする装置。 The apparatus according to claim 4.
The apparatus further includes an alarm generation unit, and the alarm generation unit issues an alarm when the arithmetic unit detects the drowsiness.
光拡散部材を有し、
上記光源からの光は、上記光源と上記指の間に置かれた上記光拡散部材を通過して上記手または指に照射されることを特徴とする装置。
The apparatus of claim 1.
Having a light diffusing member,
The light from the light source passes through the light diffusing member placed between the light source and the finger and is applied to the hand or finger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007205124A JP4585553B2 (en) | 2007-08-07 | 2007-08-07 | apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007205124A JP4585553B2 (en) | 2007-08-07 | 2007-08-07 | apparatus |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003280834A Division JP4024727B2 (en) | 2003-07-28 | 2003-07-28 | Sleepiness detection device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007313358A JP2007313358A (en) | 2007-12-06 |
| JP2007313358A5 true JP2007313358A5 (en) | 2008-03-21 |
| JP4585553B2 JP4585553B2 (en) | 2010-11-24 |
Family
ID=38847712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007205124A Expired - Fee Related JP4585553B2 (en) | 2007-08-07 | 2007-08-07 | apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4585553B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2648618B1 (en) * | 2010-12-10 | 2021-07-14 | Joyson Safety Systems Acquisition LLC | System for monitoring a vehicle driver |
| WO2012165064A1 (en) | 2011-05-31 | 2012-12-06 | 株式会社村田製作所 | Pulse wave sensor device |
| JP2013012029A (en) * | 2011-06-29 | 2013-01-17 | Nissan Motor Co Ltd | Arousal inducing device |
| KR101501365B1 (en) * | 2013-08-12 | 2015-03-10 | 주식회사 에스원 | Biometric surveillance system and biometric surveillance method using the same |
| JP6444614B2 (en) * | 2014-05-07 | 2018-12-26 | 株式会社小糸製作所 | Vehicle interior lighting device |
| JP6329696B2 (en) * | 2015-04-10 | 2018-05-23 | 株式会社日立製作所 | Biological information analysis system |
| JP7174359B2 (en) * | 2019-03-29 | 2022-11-17 | 株式会社アイシン | Pulse wave detection device and pulse wave detection program |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2795197B2 (en) * | 1994-04-30 | 1998-09-10 | 株式会社島津製作所 | Optical scattering / absorber measuring device |
| JP2003085540A (en) * | 2001-09-11 | 2003-03-20 | Sony Corp | User interface, authenticating device, device, and portable information terminal |
| JP3900893B2 (en) * | 2001-11-02 | 2007-04-04 | ソニー株式会社 | Steering device, driver authentication method, automobile |
| JP3753650B2 (en) * | 2001-11-14 | 2006-03-08 | 株式会社島津製作所 | Blood flow measuring device |
| JP4344986B2 (en) * | 2002-05-13 | 2009-10-14 | ソニー株式会社 | Authentication method and authentication apparatus |
-
2007
- 2007-08-07 JP JP2007205124A patent/JP4585553B2/en not_active Expired - Fee Related
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