Image signal processing device, transmitting device, image signal processing method, program and image signal processing system

Abstract

An image signal processing device is provided which includes a receiving unit for receiving an image signal and setting information for each predetermined unit of the image signal including image type setting information to define whether the image signal represents a stereoscopic image and gamma correction setting information to define a gamma correction amount for the image signal, a gamma correcting unit for performing gamma correction for the image signal based on the gamma correction setting information included in the setting information received by the receiving unit, and a stereoscopic image processing unit for selectively performing a process to display the stereoscopic image for the image signal corrected by the gamma correcting unit based on the image type setting information included in the setting information received by the receiving unit.

1 . (canceled) 
     
     
         2 . An image signal processing device, comprising:
 a receiving unit for receiving an image signal and setting information for each predetermined unit of the image signal including gamma correction setting information to define a gamma correction amount for the image signal;   a gamma correcting unit for performing gamma correction for the image signal based on the gamma correction setting information included in the setting information received by the receiving unit; and   a brightness controller for transferring a brightness control signal for controlling the brightness of each part of a display screen to a display unit,   wherein the setting information further includes brightness setting information to define the brightness of the each part of the display screen, and   wherein the brightness controller transfers the brightness control signal based on the brightness setting information included in the setting information received by the receiving unit to the display unit.   
     
     
         3 . The image signal processing device according to  claim 2 , further comprising:
 the display unit, wherein the display unit is for displaying an image corresponding to the image signal output from an image processing unit on the display screen and is capable of adjusting the brightness for the each part of the display screen.   
     
     
         4 . The image signal processing device according to  claim 2 , wherein the gamma correcting unit selectively performs the gamma correction based on the gamma correction setting information based on process executing information related to execution of a process being stored. 
     
     
         5 . The image signal processing device according to  claim 2 , wherein the brightness setting information is set according to whether a number of divided areas of the image signal for which a computed brightness average value is not larger than a predetermined value is less than a threshold. 
     
     
         6 . The image signal processing device according to  claim 5 , wherein the brightness setting information is set according to whether the number of divided areas of the image signal for which the computed brightness average value is not larger than the predetermined value is equal to or greater than a second threshold. 
     
     
         7 . An image signal processing method, comprising:
 receiving an image signal and setting information for each predetermined unit of the image signal including gamma correction setting information to define a gamma correction amount for the image signal;   performing gamma correction for the image signal based on the gamma correction setting information included in the setting information; and   transferring a brightness control signal for controlling the brightness of each part of a display screen to a display unit,   wherein the setting information further includes brightness setting information to define the brightness of the each part of the display screen, and   wherein the brightness control signal is transferred based on the brightness setting information included in the setting information to the display unit.   
     
     
         8 . The image signal processing method according to  claim 7 , further comprising:
 displaying an image corresponding to the image signal output from an image processing unit on the display screen, wherein the display unit is capable of adjusting the brightness for the each part of the display screen.   
     
     
         9 . The image signal processing method according to  claim 7 , wherein the gamma correction is selectively performed based on the gamma correction setting information based on process executing information related to execution of a process being stored. 
     
     
         10 . The image signal processing method according to  claim 7 , wherein the brightness setting information is set according to whether a number of divided areas of the image signal for which a computed brightness average value is not larger than a predetermined value is less than a threshold. 
     
     
         11 . The image signal processing device according to  claim 10 , wherein the brightness setting information is set according to whether the number of divided areas of the image signal for which the computed brightness average value is not larger than the predetermined value is equal to or greater than a second threshold. 
     
     
         12 . A non-transitory computer-readable medium configured to store a computer-readable program, wherein the program includes:
 receiving an image signal and setting information for each predetermined unit of the image signal including gamma correction setting information to define a gamma correction amount for the image signal;   performing gamma correction for the image signal based on the gamma correction setting information included in the setting information; and   transferring a brightness control signal for controlling the brightness of each part of a display screen to a display unit,   wherein the setting information further includes brightness setting information to define the brightness of the each part of the display screen, and   wherein the brightness control signal is transferred based on the brightness setting information included in the setting information to the display unit.   
     
     
         13 . The non-transitory computer-readable medium according to  claim 12 , wherein the program includes displaying an image corresponding to the image signal output from an image processing unit on the display screen, wherein the display unit is capable of adjusting the brightness for the each part of the display screen. 
     
     
         14 . The non-transitory computer-readable medium according to  claim 12 , wherein the gamma correction is selectively performed based on the gamma correction setting information based on process executing information related to execution of a process being stored. 
     
     
         15 . The non-transitory computer-readable medium according to  claim 12 , wherein the brightness setting information is set according to whether a number of divided areas of the image signal for which a computed brightness average value is not larger than a predetermined value is less than a threshold. 
     
     
         16 . The non-transitory computer-readable medium according to  claim 15 , wherein the brightness setting information is set according to whether the number of divided areas of the image signal for which the computed brightness average value is not larger than the predetermined value is equal to or greater than a second threshold.