GB2589255A - System and method for modifying image enhancement parameters for a portable display - Google Patents

System and method for modifying image enhancement parameters for a portable display Download PDF

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Publication number
GB2589255A
GB2589255A GB2020074.7A GB202020074A GB2589255A GB 2589255 A GB2589255 A GB 2589255A GB 202020074 A GB202020074 A GB 202020074A GB 2589255 A GB2589255 A GB 2589255A
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United Kingdom
Prior art keywords
image
portable computing
computing device
wearable device
control parameters
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.)
Withdrawn
Application number
GB2020074.7A
Other versions
GB202020074D0 (en
Inventor
Lloyd Frederick Hicks Stephen
Aaron Russell Noah
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oxsight Ltd
Original Assignee
Oxsight Ltd
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
Priority claimed from GBGB1809905.1A external-priority patent/GB201809905D0/en
Priority claimed from GBGB1809904.4A external-priority patent/GB201809904D0/en
Priority claimed from GBGB1819145.2A external-priority patent/GB201819145D0/en
Priority claimed from GBGB1819144.5A external-priority patent/GB201819144D0/en
Application filed by Oxsight Ltd filed Critical Oxsight Ltd
Publication of GB202020074D0 publication Critical patent/GB202020074D0/en
Publication of GB2589255A publication Critical patent/GB2589255A/en
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
    • G09G3/003—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background to produce spatial visual effects
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/163—Wearable computers, e.g. on a belt
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G06F1/1694—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being a single or a set of motion sensors for pointer control or gesture input obtained by sensing movements of the portable computer
    • 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
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • 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
    • G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
    • 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
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0346—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
    • 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]
    • G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • G06F3/0485—Scrolling or panning
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/39—Control of the bit-mapped memory
    • G09G5/391—Resolution modifying circuits, e.g. variable screen formats
    • 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
    • G02B2027/0112—Head-up displays characterised by optical features comprising device for genereting colour display
    • 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
    • G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
    • 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
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/014—Head-up displays characterised by optical features comprising information/image processing systems
    • 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
    • G02B2027/0178—Eyeglass type
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/048—Indexing scheme relating to G06F3/048
    • G06F2203/04806—Zoom, i.e. interaction techniques or interactors for controlling the zooming operation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0606—Manual adjustment
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/066—Adjustment of display parameters for control of contrast
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0673—Adjustment of display parameters for control of gamma adjustment, e.g. selecting another gamma curve
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/08—Arrangements within a display terminal for setting, manually or automatically, display parameters of the display terminal
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/045—Zooming at least part of an image, i.e. enlarging it or shrinking it
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2354/00—Aspects of interface with display user

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • Optics & Photonics (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

A smart glass system (10) arranged to permit a visually impaired user to modify one or more control parameters of an image provided by the system (10) according to their eye condition, comprising: a portable computing device (100) comprising a motion sensor; a smart glass based wearable device(160) comprising a display portion (162), the display portion being provided in a field of view of the user; and an image capture device (163), wherein the portable computing device (100) is operatively coupled with the smart glass based wearable device (160), the system (10) being configured to display on the display portion (162) an image corresponding to at least a portion of an image captured by the image capture device (163), wherein the system (10) is configured to detect rotational movement of the portable computing device (100) in the hand of the user by means of the motion sensor (102), wherein one or more control parameters of the image that is displayed on the wearable device (160) are modified based on the rotational movement of the portable computing device (100).

Claims (25)

1. A smart glass system (10) arranged to permit a visually impaired user to modify one or more control parameters of an image provided by the system (10) according to their eye condition, comprising: a portable computing device (100) comprising a motion sensor; a smart glass based wearable device (160) comprising a display portion (162), the display portion being provided in a field of view of the user; and an image capture device (163), wherein the portable computing device (100) is operatively coupled with the smart glass based wearable device (160), the system (10) being configured to display on the display portion (162) an image corresponding to at least a portion of an image captured by the image capture device (163), wherein the system (10) is configured to detect rotational movement of the portable computing device (100) in the hand of the user by means of the motion sensor (102), wherein one or more control parameters of the image that is displayed on the wearable device (160) are modified based on the rotational movement of the portable computing device (100).
2. The system of claim 1 wherein the image capture device is configured to capture a scene having at least a portion in a field of view of a person wearing the wearable device, the system being configured to display on the display portion of the wearable device at least a portion of the scene captured by the image capture device corresponding to the location of the display in the field of view of the person wearing the wearable device.
3. The system of claim 1 or claim 2, wherein said one or more control parameters are selected from any or a combination of passthrough of said image, colour or grayscale display of said image, brightness of said image, edge detection/enhancement in said image, contrast of said image, colour enhancement of said image, line thickness in said image, enhancement of text that forms part of said image, lighting that forms part of said image, and white:black ratio in said image.
4. The system of any preceding claim, wherein said device comprises a selection interface that allows user of said wearable device to select a set of control parameters from said one or more control parameters that need to be modified for said image.
5. The system of any preceding claim, wherein the motion sensor comprises a gyroscope that is positioned in a manner such that upon actuation of said portable computing device, orientation of the portable computing device is determined, and upon hand rotation of said portable computing device, one or more control parameters of an image that is displayed on the wearable device are modified based on rotational velocity computed using said gyroscope.
6. The system of any preceding claim, wherein the motion sensor comprises an accelerometer arranged to determine information indicative of linear acceleration of the portable computing device relative to gravity.
7. The system of claim 6 configured to transmit information indicative of the linear acceleration of the portable computing device relative to gravity to the wearable device.
8. The system of any preceding claim, wherein the motion sensor comprises a magnetometer that determines information indicative of instantaneous orientation of the portable computing device relative to Earthâ s magnetic field.
9. The system of claim 8 configured to transmit the information indicative of the instantaneous orientation of the portable computing device relative to Earthâ s magnetic field to the wearable device.
10. The system of claim 8 or 9 as depending through claim 6 as dependent on claim 5, wherein respective outputs from said gyroscope, said accelerometer, and said magnetometer are fused to yield the orientation and motion of the portable computing device in any direction.
11. The system of any preceding claim, wherein the portable computing device is actuated by pressing of a button present in/on said computing device, wherein the one or more control parameters of the images are modified only during the time the button is kept pressed.
12. The system of any preceding claim configured wherein the extent of changes in said one or more control parameters is proportional to the extent of hand rotation.
13. The system of claim 6 or any one of claims 7 to 12 depending through claim 6, wherein the orientation of the portable computing device is determined based on fusion of positional data from one or more components of the motion sensor.
14. The system of any preceding claim, wherein when the control parameter modification operation is paused to generate a modified image, user of said wearable device is enabled to view said modified image and/or pan around said modified image in X and Y axis and/or scroll around said modified image.
15. The system of any preceding claim, wherein an absolute position of said portable computing device is configured to be indicative of level of control parameter.
16. The system of claim 15 as depending through claim 11, wherein when the button is pressed, the system determines the absolute position of said portable computing device and sets the level of the control parameter in dependence on the absolute position.
17. The system of any preceding claim wherein the motion sensor comprises an inertial measurement unit (IMU).
18. The system of any preceding claim wherein the motion sensor is an inertial measurement unit (IMU).
19. A system according to any preceding claim wherein the wearable device comprises the image capture device.
20. A system according to any one of claims 1 to 18 wherein the image capture device is provided external to the wearable device, the image capture device being operatively coupled to the wearable device.
21. A system according to claim 20 wherein the image capture device is operatively coupled to the wearable device by means of a wireless connection or a wired connection.
22. A method of controlling an image displayed on a display of a smart glass based wearable device of a smart glass system arranged to permit a visually impaired user to modify one or more control parameters of the image according to their eye condition, the display being provided in the field of view of a user, comprising: detecting rotational movement of a portable computing device of the system in the hand of a user by means of a motion sensor comprised by the device, the portable computing device being operatively coupled to the wearable device; capturing by means of an image capture device of the system an image of a scene; displaying on the display portion an image corresponding to at least a portion of the image captured by the image capture device, the method comprising modifying one or more control parameters of the image displayed on the display portion based on the rotational movement of the portable computing device.
23. The method of claim 22 comprising capturing by means of the image capture device a scene having at least a portion in a field of view of a person wearing the wearable device, the method comprising displaying on the display portion of the wearable device at least a portion of the scene captured by the image capture device corresponding to the location of the display in the field of view of the person wearing the wearable device.
24. The method of claim 22 or 23 whereby the method further comprises the step of: receiving from the motion sensor new gyroscope values as part of a change in gyroscope value due to movement of the portable computing device; smoothing, using a sliding window filter, the received new gyroscope values; normalizing said smoothened gyroscope values; and accumulating the normalized gyroscope values to indicate the extent of hand rotation of said portable computing device.
25. The method of any one of claims 22 to 24, whereby the one or more control parameters are selected from any or a combination of passthrough of said image, colour or grayscale display of said image, brightness of said image, edge detection/enhancement in said image, contrast of said image, colour enhancement of said image, line thickness in said image, enhancement of text that forms part of said image, lighting that forms part of said image, and white:black ratio in said image.
GB2020074.7A 2018-06-16 2019-06-17 System and method for modifying image enhancement parameters for a portable display Withdrawn GB2589255A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GBGB1809905.1A GB201809905D0 (en) 2018-06-16 2018-06-16 Hand held device for controlling digital magnification on a portable display
GBGB1809904.4A GB201809904D0 (en) 2018-06-16 2018-06-16 System and method for modifying image enhancement parameters for a portable display
GBGB1819145.2A GB201819145D0 (en) 2018-11-24 2018-11-24 Hand held device for controlling digital magnification on a portable display
GBGB1819144.5A GB201819144D0 (en) 2018-11-24 2018-11-24 System and method for modifying image enhancement parameters for a portable display
PCT/GB2019/051687 WO2019239161A1 (en) 2018-06-16 2019-06-17 System and method for modifying image enhancement parameters for a portable display

Publications (2)

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GB202020074D0 GB202020074D0 (en) 2021-02-03
GB2589255A true GB2589255A (en) 2021-05-26

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GB2020076.2A Withdrawn GB2588055A (en) 2018-06-16 2019-06-17 Hand held device for controlling digital magnification on a portable display
GB2020074.7A Withdrawn GB2589255A (en) 2018-06-16 2019-06-17 System and method for modifying image enhancement parameters for a portable display

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Application Number Title Priority Date Filing Date
GB2020076.2A Withdrawn GB2588055A (en) 2018-06-16 2019-06-17 Hand held device for controlling digital magnification on a portable display

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GB (2) GB2588055A (en)
WO (2) WO2019239162A1 (en)

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CN112733624B (en) * 2020-12-26 2023-02-03 电子科技大学 People stream density detection method, system storage medium and terminal for indoor dense scene

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Publication number Publication date
CN112424729A (en) 2021-02-26
GB2588055A (en) 2021-04-14
GB202020074D0 (en) 2021-02-03
WO2019239162A1 (en) 2019-12-19
WO2019239161A1 (en) 2019-12-19
CN112313731A (en) 2021-02-02
GB202020076D0 (en) 2021-02-03

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