WO2002084637A1 - Control of depth movement between screens of multilevel display - Google Patents

Control of depth movement between screens of multilevel display Download PDF

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Publication number
WO2002084637A1
WO2002084637A1 PCT/NZ2002/000059 NZ0200059W WO02084637A1 WO 2002084637 A1 WO2002084637 A1 WO 2002084637A1 NZ 0200059 W NZ0200059 W NZ 0200059W WO 02084637 A1 WO02084637 A1 WO 02084637A1
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WO
WIPO (PCT)
Prior art keywords
screen
visual display
display system
visual
user
Prior art date
Application number
PCT/NZ2002/000059
Other languages
French (fr)
Inventor
Gabriel Damon Engel
Original Assignee
Deep Video Imaging Limited
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 Deep Video Imaging Limited filed Critical Deep Video Imaging Limited
Priority to CA002476944A priority Critical patent/CA2476944A1/en
Publication of WO2002084637A1 publication Critical patent/WO2002084637A1/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
    • G06F3/04815—Interaction with a metaphor-based environment or interaction object displayed as three-dimensional, e.g. changing the user viewpoint with respect to the environment or object
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/50—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels
    • G02B30/52—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels the 3D volume being constructed from a stack or sequence of 2D planes, e.g. depth sampling systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/106—Processing image signals
    • H04N13/156—Mixing image signals
    • 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
    • H04N13/275—Image signal generators from 3D object models, e.g. computer-generated stereoscopic image signals
    • H04N13/279—Image signal generators from 3D object models, e.g. computer-generated stereoscopic image signals the virtual viewpoint locations being selected by the viewers or determined by tracking
    • 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
    • H04N13/388—Volumetric displays, i.e. systems where the image is built up from picture elements distributed through a volume
    • H04N13/395—Volumetric displays, i.e. systems where the image is built up from picture elements distributed through a volume with depth sampling, i.e. the volume being constructed from a stack or sequence of 2D image planes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/02—Composition of display devices
    • G09G2300/023—Display panel composed of stacked panels
    • 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
    • H04N13/286—Image signal generators having separate monoscopic and stereoscopic modes
    • H04N13/289—Switching between monoscopic and stereoscopic modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Human Computer Interaction (AREA)
  • Position Input By Displaying (AREA)

Abstract

A visual indicator such as a cursor (3) is moved between two or more screens (1, 2) of a multi-layered display system, via an input device. The input device can be a touch screen, where varying the degree of pressure applied to the touch screen determines on which screen the cursor is displayed. The plurality of screens (1, 2) may comprise liquid crystal displays, and provide a three dimensional depth effect.

Description

CONTROL OF DEPTH MOVEMENT BETWEEN SCREENS OF MULTILEVEL DISPLAY
TECHNICAL FIELD
This invention relates to a visual display system.
BACKGROUND ART
Particularly, the present invention relates to a visual display system including single level screens placed physically apart to form a multi-level screen.
Such screens are described in PCT Application Nos. PCT/NZ98/00098 and PCT/NZ99/00021.
These devices are created by combining layers of selectively transparent screens. Each screen is capable of showing an image. In preferred embodiments the screen layers are liquid crystal display. Preferably the screens are aligned parallel to each other with a pre-set distance between them.
With this device images displayed on the screen furthest from view (background screen) will appear at some distance behind the images displayed on the screen closer to the viewer (foreground screen). The transparent portions in the foreground screen will allow viewers to see images displayed on the background screen.
This arrangement utilising multiple screens allows images to be presented at multiple levels giving the viewer true depth without use of glass or lens.
Up until now, software has been written to create visual sequences on the multi-level screens. These sequences have been mainly passive, mainly for viewing rather than for interaction.
While the visual effect of these sequences is spectacular, it will be desirable if potential uses of a multi-level screen display could be explored further. It is an object of the present invention to address this problem, or at least to provide the public with a useful choice.
Aspects of the present invention will now be described by way of example only with reference to the following description.
DISCLOSURE OF INVENTION
According to one aspect of the present invention there is provided a visual display system including
at least two single level screens spaced physically apart to form a multi-level screen,
wherein each single level screen has a two-dimensional plane,
a visual indicator,
an input device,
a user selectable input,
the visual display system being characterised in that
the user can use the user selectable input to move the visual indicator via the input device out of the two-dimensional plane of a particular screen and on to another screen.
According to another aspect of the present invention there is provided a method of using a visual display system which has at least two multi-level screens spaced physically apart,
wherein each screen has a two-dimensional plane,
the visual display system also including a visual indicator,
an input device,
a user selectable input,
the method characterised by the step of
the user using the selectable input to move the visual indicator out of the two- dimensional plane of a particular screen and on to another screen.
In one aspect of the present invention there is provided media containing instructions for the operation of visual display system as described.
In preferred embodiments of the present invention the multi-level screens are similar to that described in PCT Application Nos. PCT/NZ98/00098 and PCT/NZ99/00021, although this should not be seen as limiting.
The term two-dimensional plane refers to the effective viewing plane on a particular screen, similar to that seen on a normal display screen.
The visual indicator may be any type of indicator, for example a cursor, image, icon or screen image. It is envisaged that the visual indicator is something which can move in response to the user of the system via some input mechanism.
The input device may be any suitable input device, for example a mouse, tablet data glove, keyboard, touch screen, joystick, trackball, pen, stylus, touch pad, voice and so forth.
The user selectable input is preferably an input the user can make to effect the operation of software running the display device via the input device.
For example, if the input device is a mouse, then the user selectable input may be a mouse button. If the input device is a joystick, then the user selectable input may be the trigger. If the user input is a keyboard, then the user selectable input may be arrow keys. And so forth.
We envisage that the present invention could be used extensively by those in the graphics industry. Therefore one embodiment in the present invention is envisaged that by having the input device as a pen or stylus, the present invention could be utilised in these industries to its fullest.
In some embodiments, the user selectable input may actually be a software button on a touch screen that may be independent of the input device. This allows standard input devices and drivers to be used without modification.
In some embodiments of the present invention, the input device shall be a mouse and the user selectable input is a mouse button. The mouse button may be an existing button on the mouse, or in some embodiments may be a dedicated button for use with the present invention.
This should not be seen as limiting.
In preferred embodiments of the present invention, the input device is a finger of the user or a stylus. The user selectable input is actually the pressure applied by the user to a touch screen.
The touch screen may be any type of screen which allows direct user interaction with the screen to affect the display. For example, the touch screen may be capacative, optical or acoustic, or any other technology which achieves the desired user interface.
The visual indicator shall now be referred to as a cursor, although this should not be seen as limiting.
The user can lightly press their finger on a touch screen to move a cursor around the display touch screen as can be achieved with usual software. However, with one embodiment of the present invention, the user can apply greater pressure on the touch screen to cause the visual indicator to move from one screen to another screen.
While in some embodiments the means by which the user can move the cursor from one screen to the other may not be pressure (for example, a double tap), this is the preferred embodiment.
In some embodiments, the actual amount of pressure required to move the cursor from one screen to the other may be variable and chosen by the user. For example, there may be provided a scroll bar which enables the user to increase or decrease the effective pressure required to move the cursor. Ideally, the amount of pressure should be such that a light pressure on the screen enables a user to easily move the cursor on one screen without worrying about slight variations in pressure causing the cursor to go up to the other screen. However, the pressure required should not be so strong as it is uncomfortable for the user or the physical configuration of the screen.
In a preferred embodiment, the touch pressure data consists of a number between 0 and 255 which is stored in an accessible register and constantly updated by touch screen drivers. The relationship between the number and the actual physical pressure in Pascals is part of software for a commercial touch screen driver. However as an example, a light touch can give a reading of around 30-50 units while a firmer one around 180-220. A likely threshold to cause the cursor to jump screens could be in the order of 175 or so units. This can correspond to a deliberate but not finger destroying push to make it happen.
In one embodiment there may be included an auto calibration system. A persons first touch can be measured and used as a basis or system reference for what the persons normal touch pressure was. For the threshold pressure to jump screens can then be determined as a set percentage higher than this.
An alternate application of the present invention can include a "ring of light" around a screen icon. This can make the icon glow more as you pushed harder. For example, there could be four ranges of touch pressure which resulted in four levels of light intensity being displayed. At a certain intensity then the cursor can jump from once screen to another.
Suitable software to implement the above embodiment is Macromedia TM Director.
Depending on the environment, greater or lesser pressures may be required to move the cursor from one screen to another.
In a preferred embodiment the software controlling the cursor position is supplemental to usual touch screen driver software.
In a preferred embodiment the present invention the touch screen driver software used is ELO Touchsystems Touchscreen Drivers Distribution Win9xRc8.zip. This contains touch screen drivers 03.00.00 and has control panel MonMouse.cpl version 3.08RC8.
Therefore a program can run as usual with standard mouse drive commands but the cursor position between screens can change as a consequence of the interaction of the supplemental program responding to the additional pressure from the user.
This ability enables the user to actually interact with different screens and work on separate screens at the touch of a finger and can readily interact with whichever screen has been selected. The advantages of this feature are self apparent.
In some embodiments, the movement from the two-dimensional plane of one screen to another screen may be discrete and it may appear that the visual indicator merely jumps from one screen to the other and be at the same x-y coordinate with the only change being in the z axis.
In other embodiments, there may be more of a linear movement perceived as a consequence of the movement from one screen to the other.
For example, the present invention may be used in conjunction with a drawing package. The person drawing may start drawing on the front screen of the visual device using their finger as an input device.
The person then may wish to take advantage of the three dimensional quality allowed by the present invention and effectively draw in the z axis (the x and y axis having already been drawn in on the two-dimensional screen). This may be achieved by the user pressing on the screen and dragging the cursor effectively so it appears to pass from one screen to the other screen with an image (say a line) appearing to provide a visual bridge between the front screen and another screen or screens in the background.
In other embodiments of the present invention this ability may be used with particular total screen images. For example, the present invention may be used with an interactive game which gives the impression that the user is moving deep within a scene. For example, the user may be flying a craft in the game and as the user moves forward in the game, the images may pass from the background screen or screens to the foreground screen giving the illusion of full movement. In this embodiment the visual indicator may be the images and the input device a joy-stick.
Aspects of the present invention will now be described with reference to the following drawings which are given by way of example only.
BRIEF DESCRIPTION OF DRAWINGS
Further aspects of the present invention will become apparent from the following description which is given by way of example only and with reference to the accompanying drawings in which:
Figure 1 illustrates one embodiment of the present invention, and FJ ure 2 illustrates a second embodiment of the present invention, and
Figure 3 illustrates a third embodiment of the present invention.
BEST MODES FOR CARRYING OUT THE INVENTION
Figures la and lb illustrate a stylised version of one embodiment of the present invention at work. These figures have foreground screens 1 and background screens
2.
It should be appreciated that the reference to just two screens is by way of example only and the present invention may work in relation to multiple numbers of screens.
Figure la shows the positioning of the visual indicator 3 in the form of a cursor arrow on the front foreground screen 1.
In this embodiment of the present invention a simple push of a finger or stylus causes the cursor 3 to appear in exactly the same x-y coordinates as on the foreground screen one, but, positioned on the background screen 2.
Thus in this embodiment, the user does a direct transpose in the z-axis between screens.
Figure 2 likewise has a foreground screen 1 and a background screen 2. In Figure 2a, a triangle 4 has been drawn on the x-y two-dimensional plane of the foreground screen 1.
In Figure 2b, to give the triangle 4 depth, the user has selected and dragged the image in the x y direction to give not only the image of a triangle 5 on the background screen 2, but also a plane in the z axis 6 for finding a solid-looking representation. As the screens are physically quite separate, the illusion of the solid wall 6 is accomplished by sophisticated software shading techniques. Figure 3 again has a foreground screen 1 and background screen 2.
This embodiment of the present invention can be used for moving through three- dimensional landscapes. For example, in Figure 3a, there is pictured a flower 7 on the foreground screen, tree 8 along with a cloud 9 are positioned on the background screen 2.
The user may then use their finger or stylus to effectively move through the scene visually. This causes the flower depicted in Figure 3 a to disappear from the foreground screen as shown in Figure 3b. This also causes the tree 8 to move from the background screen 2 to the foreground screen 1. The cloud 9 being in the far background stays on the background screen 2.
Thus it can be seen that the present invention allows considerable amount of interaction between the user and the screens.
Aspects of the present invention have been described by way of example only and it should be appreciated that modifications and additions may be made thereto without departing from the scope of the appended claims.

Claims

WE CLAIM:
1. A visual display system including
at least two single level screens spaced physically apart, to form a multi level screen
wherein each single level screen has a two-dimensional plane,
a visual indicator,
an input device,
a user selectable input,
the visual display system being characterised in that,
the user can use the user selectable input to move the visual indicator via the input device out of the two-dimensional plane of a particular screen and onto another screen.
2. A visual display system as claimed in claim 1 which is based on LCD technology.
3. A visual display system as claimed in either claim 1 or claim 2 wherein the visual indicator moves in response to the user of the system by a input mechanism.
4. A visual display system as claimed in any one of claims 1 to 3 wherein the visual indicator is a cursor.
5. A visual display system as claimed in any one of claims 1 to 4 wherein the input device is any one of the group including a mouse, tablet, data glove, keyboard, touch screen, joystick, trackball, pen, stylus, touch pad or voice.
6. A visual display as claimed in any one of claims 1 to 5 wherein the input device is a touch screen.
7. A visual display system as claimed in any one of claims 1 to 6 wherein the user selectable input is the pressure applied to a touch screen.
8. A visual display as claimed in claim 7 wherein the amount of pressure required to move the visual indicator from one screen to the other is variable and chosen by the user.
9. A visual display as claimed in any one of claims 1 to 8 wherein the software controlling the visual indicator position is supplemental to usual touch screen driver software.
10. A visual display as claimed in any one of claims 1 to 9 wherein the movement of the visual indicator from one screen to the other is at the same XY coordinate with only a change shown in the Z axis.
11. A visual display as claimed in any one of claims 1 to 9 wherein the movement of the visual indicator is perceived as linear between one screen and the other.
12. A method of using a visual display system which has at least two multi level screens spaced physically apart,
wherein each screen has a two dimensional plane,
the visual display system also including
a visual indicator,
an input device,
a user selectable input, this method characterised by the step of
a) the user using the selectable input to move the visual indicator out of the two-dimensional plane of a particular screen and onto another screen.
13. A media containing instructions for the operation of a visual display system as claimed in any one of claims 1 to 11.
14. A visual display system substantially as herein described with reference to and as illustrated by the accompanying drawings.
15. A method substantially as herein described with reference to and as illustrated by the accompanying drawings.
PCT/NZ2002/000059 2001-04-12 2002-04-10 Control of depth movement between screens of multilevel display WO2002084637A1 (en)

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Application Number Priority Date Filing Date Title
CA002476944A CA2476944A1 (en) 2001-04-12 2002-04-10 Control of depth movement between screens of multilevel display

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ511120 2001-04-12
NZ511120A NZ511120A (en) 2001-04-12 2001-04-12 Multi screen display, each screen being spaced physically apart from the other

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Cited By (18)

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US7347556B2 (en) 2005-06-07 2008-03-25 The Boeing Company Systems and methods for generating stereo images
US7880726B2 (en) 2004-10-12 2011-02-01 Nippon Telegraph And Telephone Corporation 3D pointing method, 3D display control method, 3D pointing device, 3D display control device, 3D pointing program, and 3D display control program
US8154473B2 (en) * 2003-05-16 2012-04-10 Pure Depth Limited Display control system
WO2014166843A1 (en) * 2013-04-08 2014-10-16 Koninklijke Philips N.V. Large-area display system
US8868199B2 (en) 2012-08-31 2014-10-21 Greatbatch Ltd. System and method of compressing medical maps for pulse generator or database storage
US8903496B2 (en) 2012-08-31 2014-12-02 Greatbatch Ltd. Clinician programming system and method
US8928682B2 (en) 2009-07-07 2015-01-06 Pure Depth Limited Method and system of processing images for improved display
US8983616B2 (en) 2012-09-05 2015-03-17 Greatbatch Ltd. Method and system for associating patient records with pulse generators
US9180302B2 (en) 2012-08-31 2015-11-10 Greatbatch Ltd. Touch screen finger position indicator for a spinal cord stimulation programming device
US9259577B2 (en) 2012-08-31 2016-02-16 Greatbatch Ltd. Method and system of quick neurostimulation electrode configuration and positioning
US9375582B2 (en) 2012-08-31 2016-06-28 Nuvectra Corporation Touch screen safety controls for clinician programmer
US9471753B2 (en) 2012-08-31 2016-10-18 Nuvectra Corporation Programming and virtual reality representation of stimulation parameter Groups
US9507912B2 (en) 2012-08-31 2016-11-29 Nuvectra Corporation Method and system of simulating a pulse generator on a clinician programmer
US9524700B2 (en) 2009-05-14 2016-12-20 Pure Depth Limited Method and system for displaying images of various formats on a single display
US9594877B2 (en) 2012-08-31 2017-03-14 Nuvectra Corporation Virtual reality representation of medical devices
US9615788B2 (en) 2012-08-31 2017-04-11 Nuvectra Corporation Method and system of producing 2D representations of 3D pain and stimulation maps and implant models on a clinician programmer
US9767255B2 (en) 2012-09-05 2017-09-19 Nuvectra Corporation Predefined input for clinician programmer data entry
US10668276B2 (en) 2012-08-31 2020-06-02 Cirtec Medical Corp. Method and system of bracketing stimulation parameters on clinician programmers

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Cited By (26)

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US8154473B2 (en) * 2003-05-16 2012-04-10 Pure Depth Limited Display control system
US7880726B2 (en) 2004-10-12 2011-02-01 Nippon Telegraph And Telephone Corporation 3D pointing method, 3D display control method, 3D pointing device, 3D display control device, 3D pointing program, and 3D display control program
US7347556B2 (en) 2005-06-07 2008-03-25 The Boeing Company Systems and methods for generating stereo images
US9524700B2 (en) 2009-05-14 2016-12-20 Pure Depth Limited Method and system for displaying images of various formats on a single display
US8928682B2 (en) 2009-07-07 2015-01-06 Pure Depth Limited Method and system of processing images for improved display
US9471753B2 (en) 2012-08-31 2016-10-18 Nuvectra Corporation Programming and virtual reality representation of stimulation parameter Groups
US9594877B2 (en) 2012-08-31 2017-03-14 Nuvectra Corporation Virtual reality representation of medical devices
US10668276B2 (en) 2012-08-31 2020-06-02 Cirtec Medical Corp. Method and system of bracketing stimulation parameters on clinician programmers
US9180302B2 (en) 2012-08-31 2015-11-10 Greatbatch Ltd. Touch screen finger position indicator for a spinal cord stimulation programming device
US9259577B2 (en) 2012-08-31 2016-02-16 Greatbatch Ltd. Method and system of quick neurostimulation electrode configuration and positioning
US9314640B2 (en) 2012-08-31 2016-04-19 Greatbatch Ltd. Touch screen finger position indicator for a spinal cord stimulation programming device
US9375582B2 (en) 2012-08-31 2016-06-28 Nuvectra Corporation Touch screen safety controls for clinician programmer
US8868199B2 (en) 2012-08-31 2014-10-21 Greatbatch Ltd. System and method of compressing medical maps for pulse generator or database storage
US9507912B2 (en) 2012-08-31 2016-11-29 Nuvectra Corporation Method and system of simulating a pulse generator on a clinician programmer
US10376701B2 (en) 2012-08-31 2019-08-13 Nuvectra Corporation Touch screen safety controls for clinician programmer
US9555255B2 (en) 2012-08-31 2017-01-31 Nuvectra Corporation Touch screen finger position indicator for a spinal cord stimulation programming device
US8903496B2 (en) 2012-08-31 2014-12-02 Greatbatch Ltd. Clinician programming system and method
US9615788B2 (en) 2012-08-31 2017-04-11 Nuvectra Corporation Method and system of producing 2D representations of 3D pain and stimulation maps and implant models on a clinician programmer
US10347381B2 (en) 2012-08-31 2019-07-09 Nuvectra Corporation Programming and virtual reality representation of stimulation parameter groups
US9776007B2 (en) 2012-08-31 2017-10-03 Nuvectra Corporation Method and system of quick neurostimulation electrode configuration and positioning
US9901740B2 (en) 2012-08-31 2018-02-27 Nuvectra Corporation Clinician programming system and method
US10083261B2 (en) 2012-08-31 2018-09-25 Nuvectra Corporation Method and system of simulating a pulse generator on a clinician programmer
US10141076B2 (en) 2012-08-31 2018-11-27 Nuvectra Corporation Programming and virtual reality representation of stimulation parameter groups
US9767255B2 (en) 2012-09-05 2017-09-19 Nuvectra Corporation Predefined input for clinician programmer data entry
US8983616B2 (en) 2012-09-05 2015-03-17 Greatbatch Ltd. Method and system for associating patient records with pulse generators
WO2014166843A1 (en) * 2013-04-08 2014-10-16 Koninklijke Philips N.V. Large-area display system

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NZ511120A (en) 2003-05-30

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