Image display control apparatus, transmission apparatus, and image display control method

• US 10,021,338 B2
• Filed: 08/06/2015
• Issued: 07/10/2018
• Est. Priority Date: 09/22/2014
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Dewa, Yoshiharu
• Primary Examiner(s): Natnael, Paulos M
• Application Number:
  US15/510,727
• Publication Number:
  US 20170310922A1
• Time in Patent Office: 1,069 Days
• Field of Search: 348602, 348603, 345589, 345590
• CPC Class Codes: G09G 2320/0666 for control of colour parameters, e.g. colour temperature
• CPC Class Codes: G09G 2340/06 Colour space transformation
• CPC Class Codes: G09G 2360/144 the light being ambient light
• CPC Class Codes: G09G 2370/04 Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller
• CPC Class Codes: G09G 5/00 Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators image data processing or generation, in general G06T
• CPC Class Codes: G09G 5/02 characterised by the way in which colour is displayed details of colour display specific for CRTs G09G1/28; specific for flat matrix panels other than liquid crystal displays G09G3/2003; specific for liquid crystal displays G09G3/3607
• CPC Class Codes: G09G 5/10 Intensity circuits
• CPC Class Codes: H04N 5/58 in dependence upon ambient light
• CPC Class Codes: H04N 9/69 for modifying the colour signals by gamma correction controlling camera response for colour signals H04N23/83
• CPC Class Codes: H04N 9/73 Colour balance circuits, e.g. white balance circuits or colour temperature control camera processing pipelines for colour balance H04N23/88

Abstract

To provide an apparatus and method for executing signal conversion processing according to environmental light in a content unit, a scene unit, or a frame unit to generate an output image. Provided is an image display control apparatus including a data processing unit that controls image signals to be output to a display unit, the data processing unit being configured to execute a display control application supporting a content to be displayed on the display unit to generate output image signals. The data processing unit inputs sensor detection signals from a sensor that acquires environmental light information in a periphery of the display unit, and applies the sensor detection signals and generates output image signals by carrying out signal conversion processing in which different signal conversion algorithms are applied to original input image signals of the content in a content unit, a unit of scenes configuring a content, or a frame unit.

Claims

1. An image display control apparatus, comprising:

a display unit configured to display an image of content;

a sensor configured to determine environmental light information within a distance from the display unit; and

a data processing unit configured to;

execute a display control application corresponding to the content,

wherein the display control application comprises a signal conversion algorithm and content reproduction time information,

wherein the signal conversion algorithm converts an input image signal of the image of the content to an output image signal of the image of the content, and

wherein the content reproduction time information indicates a start time of the signal conversion algorithm and an end time of the signal conversion algorithm;

receive a sensor detection signal from the sensor based on the environmental light information;

generate the output image signal from the input image signal based on the sensor detection signal and the content reproduction time information,

wherein the output image signal is generated from the input image signal based on signal conversion,

wherein the signal conversion is applied to the input image signal based on the signal conversion algorithm, and

wherein the signal conversion algorithm is associated with at least one of the content, a scene of the image of the content, or a frame of the image of the content; and

control the display unit to output the output image signal.

2. The image display control apparatus according to claim 1,

wherein the display control application includes a configuration of the signal conversion algorithm,

wherein the configuration of the signal conversion algorithm is associated with at least one of the content, the scene of the image of the content, or the frame of the image of the content, and

wherein the data processing unit is further configured to execute the signal conversion based on the signal conversion algorithm.

3. The image display control apparatus according to claim 1, wherein the data processing unit is further configured to:

execute signal conversion on the input image signal based on at least one of the content, the scene of the image of the content, or the frame of the image of the content,

wherein the input image signal comprises at least one of a first luminance signal or a first color difference signal; and

generate the output image signal, wherein the output image signal comprises at least one of a second luminance signal or a second color difference signal,

wherein the second luminance signal is generated based on the first luminance signal and the second color difference signal is generated based on the first color difference signal.

4. The image display control apparatus according to claim 1, wherein the data processing unit is further configured to:

execute at least one of white balance adjustment, gamma correction, or color temperature adjustment on the input image signal,

wherein the at least one of the white balance adjustment, the gamma correction, or the color temperature adjustment is executed in one of the content, the scene of the image of the content, or the frame of the image of the content; and

generate the output image signal based on the execution of the at least one of the white balance adjustment, the gamma correction, or the color temperature adjustment on the input image signal.

5. The image display control apparatus according to claim 1,

wherein the display control application further comprises a plurality of signal conversion algorithms,

wherein each of the plurality of signal conversion algorithms is applied to respective image signals corresponding to reproduction times, and

wherein the data processing unit is further configured to:

selectively apply each of the plurality of signal conversion algorithms specified with respect to the reproduction times based on the display control application; and

generate the output image signal based on the plurality of signal conversion algorithms.

6. The image display control apparatus according to claim 1,

wherein a conversion form of the signal conversion algorithm changes based on the sensor detection signal, and

wherein the data processing unit is further configured to generate a plurality of output image signals, wherein the plurality of output image signals differ based on the environmental light information.

7. The image display control apparatus according to claim 1, wherein the data processing unit is further configured to:

calculate parameters for a plurality of signal conversion algorithms based on the sensor detection signal, and

generate output image signals based on the calculated parameters.

8. The image display control apparatus according to claim 1,

wherein the sensor detection signal includes at least one of a luminance signal or a color difference signal, and

wherein the data processing unit is further configured to:

calculate parameters for a plurality of signal conversion algorithms based on the at least one of the luminance signal or the color difference signal; and

generate output image signals based on the calculated parameters.

9. A transmission apparatus, comprising:

a data processing unit configured to;

transmit content to a receiving apparatus, wherein an image of the content is displayed on a display unit; and

transmit a display control application corresponding to the content to the receiving apparatus,

wherein the content and the display control application are transmitted via a communication unit,

wherein the display control application comprises a signal conversion algorithm and content reproduction time information,

wherein the signal conversion algorithm converts an input image signal of the image of the content to an output image signal of the image of the content,

wherein the content reproduction time information indicates a start time of the signal conversion algorithm and an end time of the signal conversion algorithm,

wherein the signal conversion algorithm is an application that records a program which applies a sensor detection signal,

wherein the sensor detection signal acquires environmental light information within a distance from the display unit, and the sensor detection signal is determined by a sensor; and

generate the output image signal based on the sensor detection signal and the content reproduction time information,

wherein the output image signal is generated from the input image signal by signal conversion,

wherein the signal conversion is applied to the input image signal based on the signal conversion algorithm, and

wherein the signal conversion algorithm is associated with at least one of the content, a scene of the image of the content, or a frame of the image of the content.

10. The transmission apparatus according to claim 9, wherein the data processing unit is further configured to:

execute the signal conversion based on at least one of a first luminance signal of the input image signal or a first color difference signal of the input image signal; and

generate at least one of a second luminance signal of the output image signal or a second color difference signal of the output image signal based on the signal conversion.

11. The transmission apparatus according to claim 9, wherein the data processing unit is further configured to:

execute the display control application based on the input image signal and at least one of white balance adjustment, gamma correction, or color temperature adjustment,

wherein the at least one of the white balance adjustment, the gamma correction, or the color temperature adjustment is associated with one of the content, the scene of the image of the content, or the frame of the image of the content; and

generate the output image signal based on the execution of the display control application.

12. An image display control method, comprising:

in an image display control apparatus;

executing a display control application based on display of an image of content in a display unit,

wherein the display control application comprises a signal conversion algorithm and content reproduction time information,

wherein the signal conversion algorithm converts an input image signal of the image of the content to an output image signal of the image of the content, and

wherein the content reproduction time information indicates a start time of the signal conversion algorithm and an end time of the signal conversion algorithm;

acquiring environmental light information within a distance from the display unit;

receiving a sensor detection signal from a sensor, wherein the sensor detection signal is based on the environmental light information; and

generating the output image signal from the input image signal based on the sensor detection signal and the content reproduction time information,

wherein the output image signal is generated from the input image signal based on signal conversion,

wherein the signal conversion is applied to the input image signal based on the signal conversion algorithm, and

wherein the signal conversion algorithm is associated with at least one of the content, a scene of the image of the content, or a frame of the image of the content; and

controlling the display unit to output the output image signal.

13. A non-transitory computer-readable medium having stored thereon, computer-executable instructions, which when executed by an image display control apparatus cause the image display control apparatus to execute operations, the operations comprising:

executing a display control application based on display of an image of content in a display unit,

wherein the display control application comprises a signal conversion algorithm and content reproduction time information,

wherein the signal conversion algorithm converts an input image signal of the image of the content to an output image signal of the image of the content, and

wherein the content reproduction time information indicates a start time of the signal conversion algorithm and an end time of the signal conversion algorithm;

acquiring environmental light information within a distance from the display unit;

receiving a sensor detection signal from a sensor, wherein the sensor detection signal is based on the environmental light information; and

generating the output image signal from the input image signal based on the sensor detection signal and the content reproduction time information,

wherein the output image signal is generated from the input image signal based on signal conversion,

wherein the signal conversion is applied to the input image signal based on the signal conversion algorithm, and

wherein the signal conversion algorithm is associated with at least one of the content, a scene of the image of the content, or a frame of the image of the content.