Image acquisition and display system and method using information derived from an area of interest in a video image implementing system synchronized brightness control and use of metadata
First Claim
1. A method of displaying an image at a display in a display system, the method comprising:
- receiving an input signal, the input signal including image data representative of an image for display and encoded metadata indicative of an area of interest within the image, wherein the area of interest is less than the entire image;
decoding the encoded metadata to determine the area of interest within the image, the area of interest being represented by area of interest image data;
determining a range of grey levels and a brightness for the area of interest image data;
determining a display profile for the image based on the area of interest image data, the display profile providing an increase in the determined range of grey levels for the area of interest represented by the area of interest image data and illumination adjustment information for the area of interest;
applying the display profile to the image represented by the image data in real time by simultaneously stretching the range of grey levels of the image and adjusting illumination of the display; and
displaying the image based on the applied display profile on the display, wherein if the display system is not enabled to apply the display profile to the image, ignoring the metadata and displaying the image unaffected by the metadata.
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Accused Products
Abstract
Method and apparatus for preparing and displaying images uses image characteristics of an area of interest of images to optimize or otherwise determine image characteristics of the entire image to be displayed. The area of interest information may be used in computing a System Synchronized Backlight Control (“SSBC”) profile for the area of interest, and the SSBC profile may be used to adjust the image signal to provide an image in which the image characteristics, e.g., are optimized for the image at the area of interest. The image characteristics and/or SSBC profile information may be provided as metadata included in a video signal data stream. The area of interest may be selected where the image is obtained, where the image is shown or elsewhere, e.g., in an image storage device, image player, etc.
28 Citations
26 Claims
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1. A method of displaying an image at a display in a display system, the method comprising:
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receiving an input signal, the input signal including image data representative of an image for display and encoded metadata indicative of an area of interest within the image, wherein the area of interest is less than the entire image; decoding the encoded metadata to determine the area of interest within the image, the area of interest being represented by area of interest image data; determining a range of grey levels and a brightness for the area of interest image data; determining a display profile for the image based on the area of interest image data, the display profile providing an increase in the determined range of grey levels for the area of interest represented by the area of interest image data and illumination adjustment information for the area of interest; applying the display profile to the image represented by the image data in real time by simultaneously stretching the range of grey levels of the image and adjusting illumination of the display; and displaying the image based on the applied display profile on the display, wherein if the display system is not enabled to apply the display profile to the image, ignoring the metadata and displaying the image unaffected by the metadata. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A display system, wherein the display system is configured to receive an input signal including image data representative of an image for display and encoded metadata indicative of an area of interest within the image wherein the area of interest is less than the entire image, the display being capable of adjusting grey levels of the image and adjusting illumination of the display based on the area of interest, the display system comprising:
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a passive display; an adjustable illumination source to illuminate to the passive display and cooperate with the passive display to display images; a decoder configured to decode the encoded metadata to determine the area of interest within the image, the area of interest being represented by area of interest image data; and a display controller operatively coupled to the passive display and the illumination source and configured to; determine a range of grey levels and a brightness for the area of interest image data; determine a display profile for the image based on the area of interest image data, the display profile comprising information for stretching the determined range of grey levels for the area of interest represented by the area of interest image data and illumination adjustment information for the area of interest; apply the display profile to the entire image represented by the image data; and control the passive display and the illumination source to simultaneously stretch the range of grey levels of the image and adjust illumination of the display in real time to display the image based on the applied display profile.
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Specification