WO2004041078A2 - Aufnahmevorrichtung für die kopfgestützte bilderfassung und verfahren zur steuerung der aufnahmevorrichtung - Google Patents
Aufnahmevorrichtung für die kopfgestützte bilderfassung und verfahren zur steuerung der aufnahmevorrichtung Download PDFInfo
- Publication number
- WO2004041078A2 WO2004041078A2 PCT/DE2003/003671 DE0303671W WO2004041078A2 WO 2004041078 A2 WO2004041078 A2 WO 2004041078A2 DE 0303671 W DE0303671 W DE 0303671W WO 2004041078 A2 WO2004041078 A2 WO 2004041078A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- user
- recording
- eye
- movements
- unit
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/204—Image signal generators using stereoscopic image cameras
- H04N13/239—Image signal generators using stereoscopic image cameras using two 2D image sensors having a relative position equal to or related to the interocular distance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/366—Image reproducers using viewer tracking
- H04N13/383—Image reproducers using viewer tracking for tracking with gaze detection, i.e. detecting the lines of sight of the viewer's eyes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/61—Control of cameras or camera modules based on recognised objects
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0138—Head-up displays characterised by optical features comprising image capture systems, e.g. camera
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0179—Display position adjusting means not related to the information to be displayed
- G02B2027/0187—Display position adjusting means not related to the information to be displayed slaved to motion of at least a part of the body of the user, e.g. head, eye
Definitions
- the invention relates to a recording device for image acquisition with a recording unit that can be attached to the head of a user, with a sensor device for recording eye movements of the user and with an evaluation unit connected downstream of the sensor device that generates control signals with which an actuator acting on the recording unit is acted upon , through which an image section captured by the recording unit can be moved.
- the invention further relates to a method for controlling the alignment of an image section recorded by the head-supported recording unit.
- the known device comprises a head holder which can be attached to the head of a user. Cameras are attached to the head holder, the optical axes of which can be aligned by two-dimensional positioning systems according to the position of the eyes. For this purpose, the position of the eyes is detected with the aid of partially transparent deflection mirrors, which are arranged in front of the eyes and map the user's eyes to suitable sensors in the reflecting wavelength range. The eye position detected with the aid of the sensors is then evaluated and converted into control signals for the actuating systems. With the known device, the optical axes of the cameras track the current viewing direction of the user.
- the known recording device is particularly suitable for monitoring the user's line of sight.
- a disadvantage of the known recording device and the known method is that no still images are recorded by the cameras. Rather, it is necessary to compensate for movements of the head and the outside world with the aid of image processing methods in order to produce a reasonably calm image that can be easily followed by an observer.
- the object of the invention is to create a recording device and a method for controlling the recording device with which still pictures can be recorded in a simple manner.
- the recording device is characterized in that the sensor device completely detects eye movements of at least one eye of the user. Therefore, not only pitch and yaw movements, but also the rolling movements of an eye are recorded.
- the movement of the eye means the displacement and rotation of the pupil and iris of the eye.
- the recording device thus detects rotary movements of the eyeball around three orthogonal spatial axes. These movements are evaluated by the evaluation unit and converted into control signals for a movement of the recording unit that compensates for the head movement.
- the recording unit is controlled in such a way that the movement of the field of view of the recording unit follows all components of the eye movement.
- the pick-up unit therefore not only performs pitching and yawing movements, but also rolling movements.
- VOR vestibulo-ocular reflex
- the equilibrium organ in the user's inner ear takes on the role of a motion sensor, which provides information to the brain about the rotational speed of the head and the orientation of the head with respect to gravity.
- the speed information is transformed into a position signal by means of an integration process, which is forwarded to the eye muscle cores with the opposite sign.
- This biological reflex leads to the fact that the eyes always turn against the head movement, so that the position of the surrounding image imaged on the retina of an eye is stabilized.
- a device for intrasakcadian suppression is provided in the evaluation unit or in the recording unit, which freezes the image recorded by the recording unit during rapid eye movements, the so-called saccades. In this way, smearing of the images recorded by the recording unit during rapid eye movements of the user is avoided.
- the sensor device comprises an infrared mirror arranged directly in front of the eye and an infrared camera onto which an infrared image of the eyes is imaged. This arrangement enables the user has a free, unrestricted field of view and, at the same time, the sensor device a complete detection of the user's eye movements.
- the recording units which are in particular optical cameras, can follow all components of the eye movements
- the recording units are preferably rotatably mounted about three spatial axes.
- the cameras can be held by a gimbal.
- Figure 1 is a perspective view of a headrest receiving device
- Figure 2 shows the movements that can be performed by one eye.
- the receiving device 1 shown in FIG. 1 comprises a head holder 2 which is placed on a head 3 of a user 4.
- Infrared cameras 5 are attached to the side of the head holder 2 at eye level and are aligned with the aid of an adjusting device 6 so that they each take an image of one of the two eyes 8 via infrared mirrors 7.
- the infrared mirrors 7 are transparent to visible light, so that the field of view of the user 4 is not restricted.
- the movements of the eyes 8, in particular the iris and the pupil are recorded using the infrared cameras 5.
- Control signals 10 are generated on the basis of the components of the movement of the eyes 8 determined by the evaluation unit 9 and forwarded to an engine control 11.
- the motor controller 11 controls drive motors (not recognizable in FIG. 1) according to the control signals 10, which move cameras 12 attached to the head holder 2 above the eyes 8 of the user 4.
- the cameras 12 are rotatably mounted about three spatial axes so that the cameras 12 can follow all components of the movement of the eyes 8.
- the cameras 12 are not only capable of a pitching movement 13 about the horizontal axis 14 and a yawing movement 15 about the vertical transverse axis 16, but also a rolling movement 17 about a longitudinal axis 18 running along the optical axis of the camera 12.
- FIG. 1 An eyeball 19 with an iris 20 and a pupil 21 is shown schematically.
- the muscle acting on the eyeball 19 enables the eyeball 19 to perform pitching movements 22 around an essentially horizontal transverse axis 23, yawing movements 24 around a vertical transverse axis 25 and rolling movements 26 around a longitudinal axis 27 , wherein the longitudinal axis 27 is the normal of the surface of the eyeball 19 leading through the center of the pupil 21.
- the images recorded by the cameras 12 are stationary. Because the unconscious control of the eyes 8 takes place in such a way that the image on the retina is as quiet as possible. So The vestibulo-ocular reflex already mentioned ensures that the eyes 8 always turn counter to the movement of the head 3 in order to ensure that the image of the environment is stationary on the retina. As part of the vestibulo-ocular reflection, the equilibrium organ in the inner ear of the user 4 takes on the role of the motion sensor, which provides information about the rotational speed of the head 3 and the alignment of the head 3 with respect to gravity to the brain of the user 4.
- the speed information is converted into a position signal with the aid of an integration process, which in turn is forwarded to the eye muscle cores with the opposite sign.
- the eyes always turn against the head movement. This makes it possible, for example, to recognize faces or read street signs while running.
- the recording device 1 uses this vestibulo-ocular reflex to stabilize the field of vision of the cameras 12 by controlling the movement of the cameras 12 by the pitching movements 22, yawing movements 24 and rolling movements 26 of the eyes 8 of the user 4.
- a similar mechanism is effective, for example, when large-area visual stimuli pass the user 4. This is the case, for example, when the user 4 looks out of the window of a moving train.
- the brain of the user 4 extracts speed information from the optical stimuli and forwards it to the same oculomotor-structures which are also the basis of the vestibulo-ocular reflex.
- the eyes 8 are controlled against the movement, so that the user 4 receives a clear picture of his environment despite the moving train. Since the eyes 8 cannot be deflected arbitrarily, the eyes 8 are reset at regular intervals by means of rapid eye movements, the so-called saccades.
- This mechanism is called opto-kinetic nystagmus (OKN), which consists of a There is a succession of slow compensatory eye movements and rapid return movements.
- the user 4 can also perform voluntary eye movements. These are slow eye movements and quick jumps, which are also called saccades.
- the user 4 uses the former when, for example, he follows a flying bird with his eyes.
- the quick jumps in the eye are used when the eyes 8 are moved back and forth between two conversation partners, for example.
- Another biological effect that can be used to control the recording device 1 is the vergence of the eyes 8.
- the eyes 8 When viewing objects binocularly, as in the case of triangulation, the eyes 8 assume an angle that is dependent on the object distance from one another, so that each Eye 8 can view the object in the area of highest resolution, the fovea.
- Important information for a possible autofocus function of the cameras 12 can be calculated from the vergence position of the two eyes 8, since the verge angle depends on the distance to the object under consideration. Furthermore, it is possible to carry out the image processing carried out by the brain of the user 4 accordingly on the images recorded by the cameras 12.
- the so-called intrasaccadic suppression system in the brain of the user 4 causes a suppression of the movement perception during a saccade. This leads to a trans-Saccadic constancy of the perceived spatial movement.
- a saccadic suppression device can be present in the evaluation unit 9, which is triggered whenever a quick glance change takes place.
- Artificial movement suppression can be done, for example, by repeating or freezing the last image in front of the saccade for the duration of this saccade.
- the time period in which it is necessary to freeze the image recorded by the camera 12 is in the range of 100 ms.
- the recording device 1 enables the user 4 to make video recordings even under conditions under which shake-free recordings were previously not possible.
- the user 4 can move the head 3 and eyes 8 as well as his arms and legs freely. For example, during filming, the user 4 can walk, move in difficult terrain, or concentrate on controlling a machine or operating a device without fear of taking blurred images. This is because the vestibulo-ocular and opto-kinetic reflexes naturally stabilize the image field recorded by the camera 12 during any movements of the head 3.
- the images recorded by the cameras 12 the user 4 can be projected onto the infrared mirror 7 via a projection device, depending on the type of camera 12 used and depending on any upstream image processing, the user 4 can be shown additional information about his environment. So are
- the invention also enables a number of other applications.
- films can be produced that reflect the actual, subjective view of the user 4 or the cameraman.
- the recording device 1 can thus be used to produce film products whose camera work corresponds to the natural visual conditions, in contrast to the artificial, direction-controlled camera work of conventional film products. This creates a new quality of cinematic representation in entertainment and documentation compared to today's film technology. This also opens up new artistic possibilities when designing films.
- the use of the receiving device 1 is not limited to human users 4 alone. It is conceivable to also modify the head holder 2 for animals. This would open up new opportunities in the field of animal films.
- the recording device 1 enables the transmission of blur-free images from the perspective of an athlete, even skiers, ski jumpers or dancers.
- a new type of night vision device is conceivable in the military field or in the area of border guards, which projects the user 4 onto the semi-transparent infrared mirror 7 in the direction of the viewing target with an unrestricted field of vision and maximum mobility.
- the recording device 1 can be used to analyze the exploration behavior of freely mobile subjects or patients. For example, the development of the eye control from child to adult can be examined with the aid of the recording device 1. Furthermore, disorders in psychiatric, neurological or ophthalmic diseases can be analyzed.
- the recording device 1 it is possible to use the recording device 1 to examine the eye control caused by stimuli when advertising, at the workplace or when operating complex devices during examinations in the context of marketing, ergonomics or in the context of occupational safety.
- the sensor device comprises at least one contact lens which can be attached to an eye 8 of the user 4 and is provided with an induction coil and which, in a magnetic field extending to the eye area of the user 4, indicates the orientation of the induction coil Induction signal generated.
- the different spatial components of the magnetic field are modulated differently, so that the components of the induction signal due to the different spatial components of the magnetic field can be separated in the induction signal and their relative strength compared to one another.
- the orientation of the induction coil and thus the position of the eye 8 can then be deduced from the relative strength of the components of the induction signal.
- the recording device 1 can be operated both, as shown in FIG. 1, binocularly and monocularly with only one camera 12.
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Eye Examination Apparatus (AREA)
- Accessories Of Cameras (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003292953A AU2003292953A1 (en) | 2002-11-08 | 2003-11-06 | Housing device for head-worn image recording and method for control of the housing device |
US10/533,767 US20060098087A1 (en) | 2002-11-08 | 2003-11-06 | Housing device for head-worn image recording and method for control of the housing device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10251933A DE10251933B4 (de) | 2002-11-08 | 2002-11-08 | Aufnahmevorrichtung für die kopfgestützte Bilderfassung und Verfahren zur Steuerung der Aufnahmevorrichtung |
DE10251933.1 | 2002-11-08 |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2004041078A2 true WO2004041078A2 (de) | 2004-05-21 |
WO2004041078A3 WO2004041078A3 (de) | 2004-07-01 |
WO2004041078A8 WO2004041078A8 (de) | 2004-10-14 |
Family
ID=32115365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2003/003671 WO2004041078A2 (de) | 2002-11-08 | 2003-11-06 | Aufnahmevorrichtung für die kopfgestützte bilderfassung und verfahren zur steuerung der aufnahmevorrichtung |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060098087A1 (de) |
AU (1) | AU2003292953A1 (de) |
DE (1) | DE10251933B4 (de) |
WO (1) | WO2004041078A2 (de) |
Cited By (4)
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ES2264383A1 (es) * | 2005-06-03 | 2006-12-16 | Hospital Sant Joan De Deu | Dispositivo captador de movimientos oculares. |
WO2006136270A1 (de) * | 2005-06-23 | 2006-12-28 | Carl Zeiss Ag | Anzeigevorrichtung und -verfahren |
WO2013150169A1 (es) * | 2012-04-04 | 2013-10-10 | Davalor Consultoria Estrategica Y Tecnologica, S.L. | Dispositivo para la sujecion de un equipo para la exploración de la visión, a la cabeza de un usuario |
DE102017005353A1 (de) * | 2017-06-01 | 2018-12-06 | Vdeh-Betriebsforschungsinstitut Gmbh | Visualisierung einer Qualitätsinformation |
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US10231614B2 (en) | 2014-07-08 | 2019-03-19 | Wesley W. O. Krueger | Systems and methods for using virtual reality, augmented reality, and/or a synthetic 3-dimensional information for the measurement of human ocular performance |
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2002
- 2002-11-08 DE DE10251933A patent/DE10251933B4/de not_active Expired - Fee Related
-
2003
- 2003-11-06 AU AU2003292953A patent/AU2003292953A1/en not_active Abandoned
- 2003-11-06 WO PCT/DE2003/003671 patent/WO2004041078A2/de not_active Application Discontinuation
- 2003-11-06 US US10/533,767 patent/US20060098087A1/en not_active Abandoned
Patent Citations (4)
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SU740225A1 (ru) * | 1977-04-18 | 1980-06-15 | Каунасский Политехнический Институт Им.Антанаса Снечкуса | Устройство дл измерени движени глаз |
GB2323231A (en) * | 1989-05-18 | 1998-09-16 | Secr Defence | Imaging systems |
US6307589B1 (en) * | 1993-01-07 | 2001-10-23 | Francis J. Maquire, Jr. | Head mounted camera with eye monitor and stereo embodiments thereof |
WO1996036271A1 (de) * | 1995-05-15 | 1996-11-21 | Leica Ag | Verfahren und vorrichtung zum parallelen erfassen von sehinformation |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2264383A1 (es) * | 2005-06-03 | 2006-12-16 | Hospital Sant Joan De Deu | Dispositivo captador de movimientos oculares. |
WO2006128939A3 (es) * | 2005-06-03 | 2007-02-08 | Sant Joan De Deu Hospital | Dispositivo captador de movimientos oculares |
US7931370B2 (en) | 2005-06-03 | 2011-04-26 | Hospital Sant Joan De Deu | Eye movement sensor device |
WO2006136270A1 (de) * | 2005-06-23 | 2006-12-28 | Carl Zeiss Ag | Anzeigevorrichtung und -verfahren |
WO2013150169A1 (es) * | 2012-04-04 | 2013-10-10 | Davalor Consultoria Estrategica Y Tecnologica, S.L. | Dispositivo para la sujecion de un equipo para la exploración de la visión, a la cabeza de un usuario |
ES2429240R1 (es) * | 2012-04-04 | 2013-12-30 | Davalor Consultoria Estrategica Y Tecnologica S L | Dispositivo para la sujeción de un equipo para la exploración de la visión, a la cabeza de un usuario |
DE102017005353A1 (de) * | 2017-06-01 | 2018-12-06 | Vdeh-Betriebsforschungsinstitut Gmbh | Visualisierung einer Qualitätsinformation |
Also Published As
Publication number | Publication date |
---|---|
AU2003292953A1 (en) | 2004-06-07 |
DE10251933B4 (de) | 2006-12-14 |
DE10251933A1 (de) | 2004-05-19 |
US20060098087A1 (en) | 2006-05-11 |
WO2004041078A8 (de) | 2004-10-14 |
AU2003292953A8 (en) | 2004-06-07 |
WO2004041078A3 (de) | 2004-07-01 |
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