WO2013191027A1 - 信号処理装置、信号処理方法、及びプログラム - Google Patents
信号処理装置、信号処理方法、及びプログラム Download PDFInfo
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- WO2013191027A1 WO2013191027A1 PCT/JP2013/066025 JP2013066025W WO2013191027A1 WO 2013191027 A1 WO2013191027 A1 WO 2013191027A1 JP 2013066025 W JP2013066025 W JP 2013066025W WO 2013191027 A1 WO2013191027 A1 WO 2013191027A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/66—Transforming electric information into light information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
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- 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
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- 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
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
- G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
- G09G3/3426—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines the different display panel areas being distributed in two dimensions, e.g. matrix
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
Definitions
- the present disclosure relates to a signal processing device, a signal processing method, and a program, and in particular, for example, a signal processing device and a signal that can process an input signal having a larger data amount without increasing the size of a signal processing chip.
- the present invention relates to a processing method and a program.
- an LSI Large Scale Integration
- Patent Document 1 For example, an LSI (Large Scale Integration) for image processing built in a television receiver or the like realizes real-time processing that processes an input image input to the television receiver by the display time of the input image.
- LSI Large Scale Integration
- the LSI chip size is increased as the number of pixels of the input image to be processed increases, and the image processing is performed. It is necessary to improve ability.
- the present disclosure has been made in view of such a situation, and allows an input signal having a larger data amount to be processed without increasing the size of a signal processing chip.
- a signal processing device includes a dividing unit that divides input data into a plurality of different divided data, and a plurality of signal processing units that respectively process a plurality of different divided data, and the signal processing unit includes: The first processing unit that performs first data processing on the divided data and the first processing result by the first processing unit are transmitted to the other signal processing unit, and the other And a communication unit that receives the second processing result transmitted from the signal processing unit.
- the signal processing unit acquires a third processing result obtained when the first data processing is performed on the input data based on the first processing result and the second processing result. And a second processing unit that performs second data processing different from the first data processing on the third processing result acquired by the acquisition unit. .
- setting information indicating setting contents reflected in the plurality of signal processing units can be transmitted to the other signal processing units.
- the communication unit can synchronize the timing of reflecting the setting content based on the setting information with the other signal processing unit that has received the setting information.
- the communication unit can transmit the first processing result to the other signal processing unit together with the second processing result received from the other signal processing unit.
- the dividing unit divides an input image input as the input data into a plurality of different partial images.
- the first processing unit targets the partial image to the partial image.
- the first data processing for calculating sub-region information which is information relating to the luminance of the sub-region obtained by classification, is performed, and the communication unit is configured to obtain the first data obtained as a processing result of the first processing unit.
- the sub-region information is transmitted to the other signal processing unit, and the second sub-region information calculated for the other partial image is received from the other signal processing unit.
- the first data processing is performed on the input image with the first sub-region information calculated by the first processing unit and the second sub-region information received by the communication unit. Obtained in the first
- the second processing unit obtains a part of the backlight that is lit for display of the partial image for the third sub-region information acquired by the acquisition unit.
- the second data processing for generating backlight data for control can be performed.
- a signal processing method is a signal processing method of a signal processing device including a dividing unit and a plurality of signal processing units, and divides input data into a plurality of different divided data by the dividing unit.
- a program according to one aspect of the present disclosure is a program for causing a computer to function as a dividing unit that divides input data into a plurality of different divided data and a plurality of signal processing units that respectively process the plurality of different divided data. Then, the signal processing unit sends the first processing unit for performing the first data processing on the divided data and the first processing result by the first processing unit to the other signal processing unit. And a communication unit that receives the second processing result transmitted from the other signal processing unit.
- the input data is divided into a plurality of different divided data, the first data processing is performed on the divided data, and the processing result is transmitted to the other signal processing unit.
- the processing result transmitted from the other signal processing unit is received.
- FIG. 4 is a diagram illustrating an example in which the chip size of an LSI is increased according to the data amount to be processed. It is a block diagram which shows the structural example of the television receiver in this indication. It is the 1st figure for explaining the reason for providing a plurality of LSIs. It is the 2nd figure for explaining the reason for providing a plurality of LSIs. It is a block diagram which shows an example when two LSIs are provided. It is a block diagram which shows the detailed structural example of two LSI. It is a block diagram which shows the detailed structural example of the block statistics part of FIG. It is a figure which shows an example of the timing of the process which the block statistics part of FIG. 6 performs.
- FIG. 2 shows a configuration example of the television receiver 21 according to the present embodiment.
- the television receiver 21 includes a division unit 41, LSIs (Large Scale Integration) 42 1 and 42 2 , a display unit 43 having a backlight 43a and a liquid crystal panel 43b, a microcomputer (hereinafter referred to as a microcomputer) 44, and an operation unit. 45.
- LSIs Large Scale Integration
- microcomputer hereinafter referred to as a microcomputer
- the television receiver 21 can be used as the LSI 42 1, for example, FPGA (Field Programmable Gate Array) or the like. The same applies to the LSI 42 2 .
- FPGA Field Programmable Gate Array
- the dividing unit 41 is supplied with an image signal as content received from an antenna (not shown) or an image signal from a reproduction device (not shown).
- the dividing unit 41 divides the supplied image signal into a plurality of partial signals. That is, for example, the dividing unit 41 divides the input image represented by the supplied image signal into a half image R that represents a half area on the right side of the input image and a half that represents a half area on the left side of the input image. Divide into images L.
- the dividing unit 41 divides the input image into the half image R and the half image R, both of which have the same size. You may make it divide
- the dividing unit 41 divides the input image into two partial images into the half image R and the half image L, but may divide the input image into three or more partial images. For example, the case where the input image is divided into four 1/4 images as partial images will be described with reference to FIG.
- the dividing unit 41 supplies the half images R obtained by dividing, and supplies the LSI 42 1, likewise the half image L obtained by dividing, into LSI 42 2.
- LSI 42 1 based on the half image R from the division unit 41 calculates the sub-area information S (r) for each sub-region r constituting half image R, and transmits to the LSI 42 2.
- the sub region information S (r) is information regarding the luminance of each pixel constituting the sub region r.
- the maximum luminance, the average luminance, and the luminance distribution for example, the luminance of each pixel constituting the sub region r (for example, , Luminance histogram), and information including the luminance centroid.
- the LSI 42 1 receives the sub area information S (l) from the LSI 42 2 , and uses the sub area information S (l) received and the calculated sub area information S (r) for the half image R.
- the backlight data and the liquid crystal signal are generated.
- LSI 42 1 is a backlight data of the generated half image R, by supplying to the backlight 43a, and controls the backlight 43a required to half output image R.
- the LSI 42 1 controls the liquid crystal panel 43b necessary for outputting the half image R by supplying the generated liquid crystal signal for the half image R to the liquid crystal panel 43b.
- LSI 42 2 based on the half image L from the division unit 41 calculates the sub-area information S (l) for each subregion l constituting half image L, and transmits to the LSI 42 1.
- the LSI 42 2 receives the sub area information S (r) from the LSI 42 1 , and based on the received sub area information S (r) and the calculated sub area information S (l), is used for the half image L.
- the backlight data and the liquid crystal signal are generated.
- LSI 42 2 is the back light data of the generated half image L, by supplying to the backlight 43a, and controls the backlight 43a required to half to output the image L.
- LSI 42 2 is a liquid crystal signal of the generated half image L, by supplying to the liquid crystal panel 43b, and controls the liquid crystal panel 43b required to half to output the image L.
- the display unit 43 includes a backlight 43a and a liquid crystal panel 43b.
- the backlight 43a is constituted by, for example, a plurality of LED (Light Emitting Diode), is turned on or off under the control of the LSI 42 1 and LSI 42 2.
- LED Light Emitting Diode
- the LED is lit when outputting the half image R is on when the lights under the control of the LSI 42 1, to half the output image L that LED is lighted under the control of the LSI 42 2.
- the liquid crystal panel 43b changes the transmittance for transmitting the light from the backlight 43a in accordance with the control from the LSI 42 1 and the LSI 42 2 .
- the transmittance of the liquid crystal to be changed when outputting the half image R is changed under the control of the LSI 42 1
- the liquid crystal of the transmission to be changed when half to output the image L
- the rate is changed according to the control from the LSI 42 2 .
- the liquid crystal panel 43b outputs light as an input image composed of the half image R and the half image L by transmitting light from the backlight 43a with the changed transmittance.
- the microcomputer 44 controls the dividing unit 41, the LSI 42 1 , the LSI 42 2, and the like based on an operation signal from the operation unit 45.
- the microcomputer 44 controls the LSI 42 1 and the LSI 42 2 to change the setting of each register.
- the LSI 42 1 of the register indicating the parameters for setting the operating state of the LSI 42 1.
- the operation unit 45 is an operation button or the like operated by the user, and supplies an operation signal corresponding to the user's operation to the microcomputer 44 according to the user's operation.
- the television receiver 21 in one LSI without a plurality of LSI, it explains why provided, for example two LSI 42 1 and LSI 42 2.
- FIG. 3 shows an example when one LSI 42 controls the backlight 43a and the liquid crystal panel 43b.
- the television receiver 21 is provided with one LSI 42 instead of the two LSIs 42 1 and 42 2 .
- the LSI 42 blocks the input image input to the television receiver 21 into, for example, 72 sub-regions having 12 ⁇ 6 horizontal ⁇ vertical. .
- the LSI 42 calculates sub-region information S (r) and S (l) from 72 sub-regions obtained by blocking, respectively.
- the LSI 42 generates backlight data for input images and liquid crystal signals for input images based on the calculated sub-region information S (r) and S (l).
- the backlight 43a and the liquid crystal panel 43b can be quickly controlled even when the size of the input image is relatively large. ing.
- the television receiver 21 can maintain the real-time property of the television receiver 21 while using the relatively small LSIs 42 1 and LSI 42 2 .
- FIG. 5 shows an example when two LSIs 42 1 and 42 2 are provided.
- the processing for calculating the sub-region information S (r) and S (l) from the input image is performed by the LSI 42. it can be dispersed in 1 and LSI 42 2 and.
- half image R is supplied to the LSI 42 2, half image L is supplied.
- LSI 42 1 calculates the sub-area information S (r) from the half image R supplied
- LSI 42 2 calculates the sub-area information S (l) from the half image L supplied.
- the sub region information S (r) and S (l) can be calculated.
- the LSI 42 1 cannot acquire the sub-region information S (l) calculated from the half image L as shown in the upper side of FIG.
- LSI 42 2 only one half image L is supplied, the image R is not supplied half. Therefore, LSI 42 2 is 5 as shown in the lower, it is impossible to acquire the sub-area information S (r) which is calculated from the half image R.
- LSI 42 1 is required if the other sub-area information is calculated from the half image R S (r), the sub-region information is calculated from the half image L S (l) is also for generating a half backlight data for image R It is said.
- the LSI 42 1 considers not only the LEDs that are lit for the half image R but the LEDs that are lit for the half image L among the plurality of LEDs that constitute the backlight 43a, and the backlight data for the half image R. Must be generated. This is the same even when the LSI 42 1 generates a liquid crystal signal for the half image R.
- LSI 42 2 when generating a half backlight data for image L, another sub region information is calculated from the half image L S (l), the sub-region information is calculated from the half image R S ( r) is also required.
- the LSI 42 1 and the LSI 42 2 transmit and receive mutually calculated sub-region information to acquire sub-region information that cannot be calculated by itself.
- FIG. 6 shows a detailed configuration example of the LSI 42 1 and the LSI 42 2 that transmit and receive mutually calculated sub-region information.
- the LSI 42 1 includes a block statistics unit 61 1 , a BL intensity determination unit 62 1 , a BL control unit 63 1 , a diffused light amount calculation unit 64 1 , and a correction unit 65 1 .
- the LSI 42 2 includes a block statistics unit 61 2 , a BL intensity determination unit 62 2 , a BL control unit 63 2 , a diffused light amount calculation unit 64 2 , and a correction unit 65 2 .
- the half image is supplied from the dividing unit 41 to the block statistics unit 61.
- the block statistics unit 61 calculates sub-region information from each sub-region constituting the half image from the dividing unit 41.
- the block statistics unit 61 acquires all the sub-region information calculated from the input image by transmitting and receiving the calculated sub-region information to each other.
- the block statistical unit 61 1 transmits the calculated sub-region information S (r) to the block statistical unit 61 2 and receives the sub-region information S (l) transmitted from the block statistical unit 61 2. .
- the block statistical unit 61 2 transmits the calculated sub-region information S (l) to the block statistical unit 61 1 and receives the sub-region information S (r) transmitted from the block statistical unit 61 1. .
- the block statistical unit 61 1 and the block statistical unit 61 2 can acquire the sub-region information S (l) and S (r) calculated from the input image.
- the block statistics unit 61 supplies the acquired sub-region information S (l) and S (r) to the BL intensity determination unit 62.
- the BL intensity determination unit 62 controls backlight data for controlling the brightness of the backlight 43a when a half image is output.
- BL is generated and supplied to the BL control unit 63 and the diffused light amount calculation unit 64.
- the BL intensity determination unit 62 1 generates the backlight data BL R when the half image R is output based on the sub-region information S (l) and S (r) from the block statistics unit 61 1 And supplied to the BL control unit 63 1 and the diffused light amount calculation unit 64 1 .
- BL strength determination unit 62 2 generates a backlight data BL L when on the basis of the sub-region information S (l) and S (r) from the block statistics unit 61 2, and outputs the image L half To the BL control unit 63 2 and the diffused light amount calculation unit 64 2 .
- the BL control unit 63 controls the brightness of the LEDs used when outputting a half image among the plurality of LEDs constituting the backlight 43a based on the backlight data BL from the BL intensity determining unit 62.
- BL controller 63 1, based on the backlight data BL R from BL strength determination unit 62 1, among the plurality of LED constituting the backlight 43a, LED arranged on the right side (half image R Controls the brightness of the LED) used to output.
- the BL control unit 63 2 based on the backlight data BL L from the BL intensity determination unit 62 2 , out of the plurality of LEDs constituting the backlight 43a (half image L Controls the brightness of the LED) used to output.
- the diffused light amount calculating unit 64 calculates (calculates) the degree of light diffusion from each LED constituting the backlight 43a, and corrects the calculation result. Supply to unit 65.
- the diffused light amount calculation unit 64 2 calculates (calculates) the degree of diffusion of light from the backlight 43a when the half image L is output based on the backlight data BL L from the BL intensity determination unit 62 2. ), and supplies the calculation result, the correction unit 65 2.
- the same half image as that supplied to the block statistics unit 61 is supplied from the division unit 41 to the correction unit 65 with a delay from the timing at which the half image is supplied to the block statistics unit 61.
- the correction unit 65 corrects the half image supplied from the dividing unit 41 to the liquid crystal signal for the half image based on the calculation result from the diffused light amount calculation unit 64.
- the liquid crystal signal for half image represents a signal for controlling the transmittance of the liquid crystal panel 43b which is changed when the half image is output.
- the correction unit 65 controls the transmittance of the liquid crystal panel 43b by supplying the liquid crystal signal for half image obtained by the correction to the liquid crystal panel 43b, and the light from the backlight 43a is controlled after the control. By transmitting at a transmittance, a half image as transmitted light is output.
- the correction unit 65 1 based on the calculation result from the diffusion light amount calculating section 64 1, the half image R supplied from the dividing unit 41 is corrected to the liquid crystal signal P R of the half image R. Then, the correction unit 65 1, half the liquid crystal signal P R of the image R, by supplying to the liquid crystal panel 43 b, to control the transmittance of the liquid crystal panel 43 b, the light from the backlight 43a, transmission after the control By transmitting at a rate, a half image R is output as transmitted light.
- the correction unit 65 2 corrects the half image L supplied from the division unit 41 to the liquid crystal signal P L for the half image L based on the calculation result from the diffused light amount calculation unit 64 2 . Then, the correction unit 65 2, half of the liquid crystal signal P L for image L, by supplying to the liquid crystal panel 43 b, to control the transmittance of the liquid crystal panel 43 b, the light from the backlight 43a, transmission after the control By transmitting at a rate, a half image L is output as transmitted light.
- FIG. 7 shows a detailed configuration example of the block statistics units 61 1 and 61 2 .
- the block statistics unit 61 1 includes a calculation unit 81 1 incorporating SRAM 81a 1 , an SPI (Serial Parallel Interface) 82 1 , SRAM 83 1 , and an integration unit 84 1 incorporating SRAM 84a 1 .
- the block statistics unit 61 like the block statistics unit 61 1, the calculation unit 81 2, SPI82 2, SRAM83 2 incorporating the SRAM81a 2, and consists of integrating unit 84 2 having a built-in SRAM84a 2.
- the calculation unit 81 1 calculates sub-region information S (r 1 ) to S (r 36 ) from each of the sub-regions r 1 to r 36 obtained by the blocking, and supplies it to the built-in SRAM 81a 1 . And hold it.
- calculator 811 from SRAM81a reads the sub-area information S (r 1) to S (r 36), it is supplied to SPI82 1 and integrating unit 84 1.
- the calculation unit 81 2 of the block statistics unit 61 2 performs the same processing as the calculation unit 81 1 , reads the sub area information S (l 1 ) to S (l 36 ) from the built-in SRAM 81 a 2 , and executes the SPI 82 2. and it supplies the integration unit 84 2.
- SPI82 1 is calculating section 81 sub-region information S (r 1) to S (r 36) of 1, and transmits the SPI82 2, sub-region information from SPI82 2 S (l 1) to S (l 36 ) receives, is held is supplied to the SRAM 83 1.
- SPI82 2 blocks statistics unit 61 2 in the same manner as SPI82 1, sub-region information from the calculator 81 2 S (l 1) to S a (l 36), and transmits to SPI82 1, SPI82 1 through sub-region information S (r 1) from receiving the S (r 36), it is held is supplied to the SRAM 83 2.
- SRAM 83 1 holds subregion information S (l 1) to S (l 36) from SPI81 1, in response to a read instruction from the integration unit 84 1, the held sub region information S (l 1) To S (l 36 ) are output to the integration unit 84 1 .
- the SRAM 83 2 of the block statistics unit 61 2 holds the sub-region information S (r 1 ) to S (r 36 ) from the SPI 81 2 in the same manner as the SRAM 83 1, and issues a read instruction from the integration unit 84 2. in response, the held sub region information S a (r 1) to S (r 36), and outputs to the integration section 84 2.
- the integration unit 84 1 supplies and holds the sub-region information S (r 1 ) to S (r 36 ) from the calculation unit 81 1 to the built-in SRAM 84a 1 .
- the integrated unit 84 1 reads the SRAM 83 1 subregion information held in the S (l 1) to S (l 36), to be held is supplied to SRAM84a 1 to built.
- the integration unit 84 1 calculates the sub area information S (r 1 ) to S (r 36 ) and S (l 1 ) to S (l 36 ) held in the built-in SRAM 84a 1 from the input image. as subregion information, and it supplies the BL intensity determining unit 62 1.
- the integration unit 84 1 uses the sub-region information S (r 1 ) to S (r 36 ) and S (l 1 ) to S (l 36 ) based on the maximum brightness in all regions constituting the input image, average luminance, and also calculates the entire region information including a distribution or the like of the brightness, may be supplied to the BL intensity determining unit 62 1.
- the BL intensity determination unit 62 1 uses the sub-region information S (r 1 ) to S (r 36 ) and S (l 1 ) to S (l 36 ) from the integration unit 84 1 as well as the entire region information. Therefore, the backlight data for the half image R is calculated.
- the integration unit 84 2 of the block statistics unit 61 2 is similar to the integration unit 84 1 in that the sub-region information S (r 1 ) to S (r 36 ) and S (l 1 ) held in the built-in SRAM 84a 2. ) to supply S a (l 36), as a sub-area information calculated from the input image, the BL strength determination unit 62 2.
- FIG. 8 shows an example of the timing of processing performed by the block statistics unit 61 1 and the block statistics unit 61 2 .
- the dividing unit 41 converts the input image A into a half image R. And split into half images L.
- the dividing unit 41 supplies the half image R obtained by the division to the block statistics unit 61 1 and the half image L obtained by the division to the block statistics unit 61 2 .
- the block statistics units 61 1 and 61 2 block the input image A into sub-regions r 1 to r 36 and l 1 to l 36 as shown on the left side of B in FIG. Then, the block statistics units 61 1 and 61 2 obtain sub-region information S (r 1 ) to S (r 36 ) and S from the sub-regions r 1 to r 36 and l 1 to l 36 obtained by the blocking. (l 1 ) to S (l 36 ) are calculated.
- the block statistics unit 61 1 blocks the half image R, and calculates sub-region information S (r 1 ) to S (r 36 ) from the sub-regions r 1 to r 36 obtained by the blocking.
- the block statistics unit 61 similarly, half blocks of an image L, from each subregion l 1 to l 36 obtained through the blocking, the sub-region information S (l 1) to S (l 36) Is calculated.
- the block statistics unit 61 1 and the block statistics unit 61 2 perform communication with each other to acquire the other party's sub-region information. Thereby, the block statistics unit 61 1 and the block statistics unit 61 2 store the sub-region information S (r 1 ) to S (r 36 ) and S (l 1 ) to S (l 36 ) calculated from the input image A. get.
- this communication is performed, for example, within a vertical blanking period from displaying an input image to displaying the next input image.
- block statistics unit 61 the sub-area information calculated from the input image, and supplies the BL intensity determining unit 62 1
- the block statistics unit 61 2 the subregion information calculated from the input image, and supplies the BL strength determination unit 62 2.
- processing such as blocking shown on the right side of B in FIG. 8 and communication shown on the right side of C in FIG. 8 are performed.
- This partial driving process is started when the power of the television receiver 21 is turned on, for example. At this time, an input image received by an antenna (not shown) or the like is input to the dividing unit 41 of the television receiver 21.
- step S21 the dividing unit 41, an input image input thereto, for example half is divided into image R and half image L, half image R to the block statistics unit 61 1 of the LSI 42 1, half the image L LSI 42 2 of the block statistics unit 61 2, respectively supply.
- step S22 the block statistics unit 61 1 is integrated with the sub-area information S (r) which is calculated from the half image R, and a sub-region information S (l) is calculated from the half image L, from the input image Block statistical processing for obtaining the calculated sub-region information S (r) and S (l) is performed. Details of this block statistical processing will be described in detail with reference to the flowchart of FIG.
- step S22 the block statistical unit 61 2 performs the same block statistical processing as the block statistical unit 61 1 .
- step S23 the BL intensity determination unit 62 controls the brightness of the backlight when the half image is output based on the sub-region information S (l) and S (r) from the block statistics unit 61.
- Backlight data BL is generated and supplied to the BL control unit 63 and the diffused light amount calculation unit 64.
- step S24 the BL control unit 63, based on the backlight data BL from the BL intensity determination unit 62, out of the plurality of LEDs constituting the backlight 43a, the brightness of the LED that emits light when a half image is output. To control.
- step S25 the diffused light amount calculation unit 64 calculates (calculates) the degree of diffusion of light from the backlight 43a based on the backlight data BL from the BL intensity determination unit 62, and the calculation result is used as a correction unit. 65.
- step S26 the correcting unit 65 corrects the half image supplied from the dividing unit 41 based on the calculation result from the diffused light amount calculating unit 64, thereby generating a liquid crystal signal for the half image.
- step S27 the correcting unit 65 supplies the liquid crystal signal for half image obtained by the correction to the liquid crystal panel 43b, thereby controlling the transmittance of the liquid crystal panel 43b and controlling the light from the backlight 43a. By transmitting at a later transmittance, a half image as transmitted light is output.
- step S21 When a new input image is supplied to the dividing unit 41, the process returns to step S21, and thereafter the same process is performed.
- This partial driving process is terminated when the power of the television receiver 21 is turned off.
- block statistical unit 61 1 and the block statistical unit 61 2 perform similar block statistical processing, respectively. Therefore, in FIG. 10, only the block statistical process performed by the block statistical unit 61 1 will be described, and the description of the block statistical process performed by the block statistical unit 61 2 will be omitted.
- step S42 the calculation unit 81 1 calculates sub-region information S (r 1 ) to S (r 36 ) from each of the sub-regions r 1 to r 36 obtained by the blocking, and the built-in SRAM 81a 1 To supply and hold.
- calculator 811 from SRAM81a reads the sub-area information S (r 1) to S (r 36), it is supplied to SPI82 1 and integrating unit 84 1.
- step S43 the SPI 82 1 of the block statistical unit 61 1 transmits the sub-region information S (r 1 ) to S (r 36 ) from the calculation unit 81 1 to the SPI 82 2 of the other block statistical unit 61 2 .
- step S44 the SPI 82 1 of the block statistical unit 61 1 receives the sub-region information S (l 1 ) to S (l 36 ) from the SPI 82 2 of the other block statistical unit 61 2 and supplies it to the SRAM 83 1. Hold.
- step S45 the integration unit 84 1 of the block statistics unit 61 1 supplies and holds the sub-region information S (r 1 ) to S (r 36 ) from the calculation unit 81 1 to the built-in SRAM 84a 1 .
- the integrated unit 84 1 reads the SRAM 83 1 subregion information held in the S (l 1) to S (l 36), to be held is supplied to SRAM84a 1 to built.
- the integration unit 84 1 calculates the sub area information S (r 1 ) to S (r 36 ) and S (l 1 ) to S (l 36 ) held in the built-in SRAM 84a 1 from the input image. obtained as sub-area information is supplied to the BL intensity determining unit 62 1, the processing is returned to step S22 of FIG. 9.
- the backlight 43a and the liquid crystal panel 43b can be quickly controlled using the small LSIs 42 1 and 42 2 .
- the manufacturing cost of the television receiver 21 can be reduced. Furthermore, since it is not necessary to provide a large space for incorporating a large LSI when the television receiver 21 is manufactured, it is easier than the case of manufacturing a television receiver incorporating a large LSI.
- the television receiver 21 can be manufactured.
- FIG. 11 shows an example when the microcomputer 44 individually controls the LSI 42 1 and the LSI 42 2 to change the state of each register.
- FIG. 11A shows a state in which the microcomputer 44 individually controls the LSI 42 1 and the LSI 42 2 to change the state of each register from the state A to the state B.
- LSI 42 1 is in the vertical synchronization signal, at the timing when the third rising edge from the left occurs, how to change the state A of the register to the state B is illustrated.
- LSI 42 2 is in the vertical synchronization signal, at the timing when the second rising edge from the left occurs, how to change the state A of the register to the state B is illustrated.
- the vertical synchronization signal is supplied from the microcomputer 44 to the LSI 42 1 and the LSI 42 2 , for example.
- the LSI 42 2 displays the second from the left as shown in the lower part B of FIG.
- the register state A is changed to state B in synchronization with the timing when the rising edge occurs.
- the register change information refers to information for changing the state A of the register to the state B, for example.
- the microcomputer 44 supplies the register change information to the LSI 42 1 immediately after the second rising edge from the left occurs, the LSI 42 1 receives 3 from the left as shown on the upper side of B in FIG.
- the state A of the register is changed to state B in synchronization with the timing when the first rising edge occurs.
- the microcomputer 44 supplies the register change information individually to the LSI 42 1 and the LSI 42 2 to change the register, the LSI 42 1 and the LSI 42 2 are displayed as shown on the upper side B of FIG. 11 and the lower side of B of FIG. It is possible that the state of the registers cannot be changed at the same timing.
- the microcomputer 44 supplies the register change information to only one LSI 42 1 , and the LSI 42 1 uses the sub-region information S (r 1 ) calculated from the half image R as the register change information from the microcomputer 44. Along with S (r 36 ), it is transmitted to the LSI 42 2 .
- the LSI 42 1 and the LSI 42 2 synchronize the timing for reflecting the change based on the register change information in the next communication.
- FIG. 12 the microcomputer 44, by supplying one LSI 42 1 only in the register modification information shows an example of when to change the state of the two LSI 42 1 and LSI 42 2 registers.
- the microcomputer 44 supplies the register modification information only LSI 42 1, LSI 42 1 has been shown how to send the register change information from the microcomputer 44 to the LSI 42 2.
- the LSI 42 1 that has acquired the register change information from the microcomputer 44 and the LSI 42 2 that has received the register change information from the LSI 42 1 reflect the register change information at the same timing.
- the state of changing register state C to state D is shown.
- the LSI 42 1 transmits the register change information from the microcomputer 44 to the LSI 42 2 together with the sub area information.
- the LSI 42 1 and the LSI 42 2 reflect the register change information at the timing synchronized by the communication between the LSI 42 1 and the LSI 42 2 (the timing at which the second rising edge from the left occurs).
- LSI 42 1 and the communication between the LSI 42 2 by synchronizing the timing to reflect the register modification information, LSI 42 1 and LSI 42 2 is the register at the same timing Can be changed.
- the television receiver 21 is provided with the two LSIs 42 1 and the LSI 42 2 , but can be provided with three or more LSIs.
- FIG. 13 shows an example when the television receiver 21 is provided with four LSIs 42a to 42d.
- the dividing unit 41 divides the input image into, for example, four equal parts, and each of the four 1/4 images obtained as a result is obtained. , Supplied to the LSIs 42a to 42d.
- LSI42a as subject the supplied 1/4 image, the same treatment as LSI 42 1 and LSI 42 2 described above, to calculate the sub-area information a 1/4 images.
- the LSI 42b, LSI 42c, and LSI 42d calculate sub-region information b, c, and d, respectively.
- the LSI 42a transmits the sub-region information a to the LSI 42b and receives the sub-region information b from the LSI 42b.
- the LSI 42c transmits the sub area information c to the LSI 42d and receives the sub area information d from the LSI 42d.
- the LSI 42a and LSI 42b hold the sub area information a and b
- the LSI 42c and LSI 42d hold the sub area information c and d.
- the LSI 42a transmits the sub-region information a and b to the LSI 42c, and the sub-region information c and d from the LSI 42c. Receive.
- the LSI 42b transmits the sub area information a and b to the LSI 42d and receives the sub area information c and d from the LSI 42d.
- the LSIs 42a to 42d all hold the sub-region information a to d.
- the LSI 42a communicates with the LSI 42b, and the LSI 42c communicates with the LSI 42d.
- the LSI 42a and the LSI 42c communicate, and the LSI 42b and the LSI 42d communicate.
- the LSI 42a and the LSI 42c communicate in the first communication
- the LSI 42b and the LSI 42d communicate
- the LSI 42a and the LSI 42b communicate in the second communication
- the LSI 42c and the LSI 42d communicate.
- FIG. 14 shows an example of the timing of processing performed by the LSIs 42a to 42d in FIG.
- the dividing unit 41 converts the input image A into four sheets. Divide into 1/4 images.
- the dividing unit 41 supplies four 1/4 images obtained by the division to the LSIs 42a to 42d, respectively.
- each of the LSIs 42a to 42d blocks a 1/4 image into sub-regions as shown on the left side of FIG. Then, the LSIs 42a to 42d calculate sub-region information from each sub-region obtained by the blocking.
- the first communication shown in FIG. 13 is performed between the LSIs 42a to 42d in the communication period as shown on the left side of FIG. Further, the second communication shown in FIG. 13 is performed between the LSIs 42a to 42d in the communication period as shown on the left side of FIG.
- each of the LSIs 42a to 42d holds the same sub-region information a to d as the sub-region information calculated from the input image.
- Each of the LSIs 42a to 42d performs post-processing A using the held sub-region information a to d after the end of the second communication, as shown in E of FIG.
- the input image B of the second frame is also subjected to the same processing as the input image A of the first frame, and thereafter the same processing is repeated.
- the television receiver 21 provided with the LSI 42 1 and the LSI 42 2 has been described.
- the present disclosure can be applied to, for example, an imaging apparatus provided with the LSI 42 1 and the LSI 42 2 . That is, the electronic device provided with a plurality of LSIs is not limited to the television receiver 21.
- the LSI 42 1 controls the display of the half image R and the LSI 42 2 controls the display of the half image L.
- the LSI 42 1 and the LSI 42 2 The processing performed by is not limited to this.
- the LSI 42 1 and the LSI 42 2 can perform any process as long as the process is performed using all information obtained from the input image.
- the processing target is not limited to the input image, and an audio signal can be the processing target.
- the LSI 42 1 and the LSI 42 2 use, for example, the movement of each area constituting the input image from the image pickup device. Accordingly, it is possible to perform camera shake correction processing or the like that reduces camera shake or the like generated in the input image.
- LSI 42 1 detects the motion vector mv of each region constituting the image R half (R)
- LSI 42 2 is, the motion vector mv of each region constituting the image L half (L) To detect. Then, the LSI 42 1 transmits the motion vector mv (R) detected from the half image R to the LSI 42 2 and receives the motion vector mv (L) from the LSI 42 2 .
- the LSI 42 1 and the LSI 42 2 both obtain the same motion vectors mv (R) and mv (L) as the motion vectors of the respective regions constituting the input image.
- LSI 42 1 based on the acquired motion vector mv (R) and mv (L), as well as correcting the camera shake or the like half occurring in the image R, LSI 42 2 is acquired motion vector mv (R) and mv (L ) To correct camera shake or the like occurring in the half image L.
- the half image R and the half image L after camera shake correction are one image, that is, an input image after camera shake correction, and are held in, for example, a memory in the imaging apparatus. .
- this technique can take the following structures.
- a dividing unit that divides input data into a plurality of different divided data and a plurality of signal processing units that respectively process a plurality of different divided data, wherein the signal processing unit targets the divided data
- the first processing unit that performs the first data processing and the first processing result by the first processing unit are transmitted to the other signal processing unit, and the first processing unit transmitted from the other signal processing unit And a communication unit that receives the processing result of 2.
- the signal processing unit obtains a third processing result obtained when the first data processing is performed on the input data based on the first processing result and the second processing result.
- a second processing unit that performs second data processing different from the first data processing on the third processing result acquired by the acquisition unit.
- the communication unit transmits setting information indicating setting contents to be reflected in the plurality of signal processing units to the other signal processing units in addition to the first processing result. ).
- the signal processing device according to (3), wherein the communication unit synchronizes timing for reflecting setting contents based on the setting information with another signal processing unit that has received the setting information. .
- the communication unit transmits the first processing result to the other signal processing unit together with the second processing result received from the other signal processing unit.
- the dividing unit divides an input image input as the input data into a plurality of different partial images.
- the first processing unit targets the partial image, and
- the first data processing for calculating sub-region information which is information relating to the luminance of the sub-region obtained by dividing the partial image, is performed, and the communication unit obtains a first result obtained as a processing result of the first processing unit.
- the sub-region information of 1 is transmitted to the other signal processing unit, and the second sub-region information calculated for the other partial image is received from the other signal processing unit,
- the acquisition unit performs the first data processing on the input image by using the first sub-region information calculated by the first processing unit and the second sub-region information received by the communication unit.
- the second processing unit is a backlight that is lit for display of the partial image with respect to the third sub-region information acquired by the acquisition unit.
- a signal processing method of a signal processing device including a dividing unit and a plurality of signal processing units, a dividing step of dividing input data into a plurality of different divided data by the dividing unit, and the signal processing unit, A first processing step for performing first data processing on the divided data, and a first processing result by the first processing step are transmitted to the other signal processing unit, and the other signal A signal processing method including a communication step of receiving a second processing result transmitted from the processing unit.
- the series of processes described above can be executed by hardware or software, for example.
- a program constituting the software may execute various functions by installing a computer incorporated in dedicated hardware or various programs. For example, it is installed from a program recording medium in a general-purpose computer or the like.
- FIG. 15 shows an example of the hardware configuration of a computer that executes the above-described series of processing by a program.
- a CPU (Central Processing Unit) 201 executes various processes in accordance with a program stored in a ROM (Read Only Memory) 202 or a storage unit 208.
- a RAM (Random Access Memory) 203 appropriately stores programs executed by the CPU 201, data, and the like. These CPU 201, ROM 202, and RAM 203 are connected to each other by a bus 204.
- the CPU 201 is also connected with an input / output interface 205 via the bus 204.
- an input unit 206 composed of a keyboard, a mouse, a microphone, and the like
- an output unit 207 composed of a display, a speaker, and the like.
- the CPU 201 executes various processes in response to commands input from the input unit 206. Then, the CPU 201 outputs the processing result to the output unit 207.
- the storage unit 208 connected to the input / output interface 205 includes, for example, a hard disk, and stores programs executed by the CPU 201 and various data.
- the communication unit 209 communicates with an external device via a network such as the Internet or a local area network.
- the program may be acquired via the communication unit 209 and stored in the storage unit 208.
- the drive 210 connected to the input / output interface 205 drives a removable medium 211 such as a magnetic disk, an optical disk, a magneto-optical disk, or a semiconductor memory, and drives programs and data recorded there. Etc. The acquired program and data are transferred to and stored in the storage unit 208 as necessary.
- a recording medium for recording (storing) a program that is installed in a computer and can be executed by the computer includes a magnetic disk (including a flexible disk), an optical disk (CD-ROM (Compact Disc- Removable media 211, which is a package media made up of read only memory, DVD (digital versatile disc), magneto-optical disk (including MD (mini-disc)), or semiconductor memory, etc. It is composed of a ROM 202 that is permanently stored, a hard disk that constitutes the storage unit 208, and the like.
- Recording of a program on a recording medium is performed using a wired or wireless communication medium such as a local area network, the Internet, or digital satellite broadcasting via a communication unit 209 that is an interface such as a router or a modem as necessary. Is called.
- a wired or wireless communication medium such as a local area network, the Internet, or digital satellite broadcasting
- a communication unit 209 that is an interface such as a router or a modem as necessary. Is called.
- steps describing the series of processes described above are not limited to the processes performed in time series according to the described order, but are not necessarily performed in time series, either in parallel or individually.
- the process to be executed is also included.
- 21 television receiver 41 division unit, 42 1 , 42 2 , 42a to 42d LSI, 43 display unit, 43a backlight, 43b liquid crystal panel, 44 microcomputer, 45 operation unit, 61 1 , 61 2 block statistics unit, 62 1 , 62 2 BL intensity determination unit, 63 1 , 63 2 BL control unit, 64 1 , 64 2 diffused light amount calculation unit, 65 1 , 65 2 correction unit, 81 1 , 81 2 calculation unit, 81a 1 , 81a 2 SRAM , 82 1, 82 2 SPI, 83 1, 83 2 SRAM, 84 1, 84 2 integrated unit, 81a 1, 81a 2 SRAM
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Abstract
Description
1.本実施の形態(複数のLSIを設けたテレビジョン受像機の一例)
2.変形例
[テレビジョン受像機21の構成例]
図2は、本実施の形態であるテレビジョン受像機21の構成例を示している。
次に、図9のフローチャートを参照して、テレビジョン受像機21が行う部分駆動処理について説明する。
次に、図10のフローチャートを参照して、図9のステップS22におけるブロック統計処理の詳細について説明する。
本実施の形態では、LSI421及びLSI422を設けたテレビジョン受像機21について説明したが、本開示は、その他、例えば、LSI421及びLSI422を設けた撮像装置等にも適用できる。すなわち、複数のLSIを設ける電子機器は、テレビジョン受像機21に限定されない。
(1)入力データを複数の異なる分割データに分割する分割部と、複数の異なる前記分割データをそれぞれ処理する複数の信号処理部とを含み、前記信号処理部は、前記分割データを対象として、第1のデータ処理を行う第1の処理部と、前記第1の処理部による第1の処理結果を、他の前記信号処理部に送信するとともに、他の前記信号処理部から送信された第2の処理結果を受信する通信部とを有する信号処理装置。
(2)前記信号処理部は、前記第1の処理結果と前記第2の処理結果に基づいて、前記入力データに前記第1のデータ処理を施したときに得られる第3の処理結果を取得する取得部と、前記取得部により取得された前記第3の処理結果を対象として、前記第1のデータ処理とは異なる第2のデータ処理を行う第2の処理部とをさらに有する前記(1)に記載の信号処理装置。
(3)前記通信部は、前記第1の処理結果の他、前記複数の信号処理部に反映させる設定内容を示す設定情報も、他の前記信号処理部に送信する前記(1)又は(2)に記載の信号処理装置。
(4)前記通信部は、前記設定情報を受信済みの他の前記信号処理部との間で、前記設定情報に基づく設定内容を反映させるタイミングを同期させる前記(3)に記載の信号処理装置。
(5)前記通信部は、前記第1の処理結果を、他の前記信号処理部から受信済みの前記第2の処理結果とともに、さらに他の前記信号処理部に送信する前記(1)乃至(4)に記載の信号処理装置。
(6)前記分割部は、前記入力データとして入力される入力画像を、複数の異なる部分画像に分割し、前記信号処理部において、前記第1の処理部は、前記部分画像を対象として、前記部分画像を区分して得られるサブ領域の輝度に関する情報であるサブ領域情報を算出する前記第1のデータ処理を行い、前記通信部は、前記第1の処理部の処理結果として得られた第1の前記サブ領域情報を、他の前記信号処理部に送信するとともに、他の前記信号処理部から、他の前記部分画像を対象として算出された第2の前記サブ領域情報を受信し、前記取得部は、前記第1の処理部により算出された前記第1のサブ領域情報、及び前記通信部により受信された前記第2のサブ領域情報を、前記入力画像に前記第1のデータ処理を施したときに得られる第3のサブ領域情報として取得し、前記第2の処理部は、前記取得部により取得された前記第3のサブ領域情報を対象として、前記部分画像の表示用に点灯する、バックライトの一部を制御させるためのバックライトデータを生成する前記第2のデータ処理を行う前記(2)に記載の信号処理装置。
(7)分割部と、複数の信号処理部とを含む信号処理装置の信号処理方法において、前記分割部による、入力データを複数の異なる分割データに分割する分割ステップと、前記信号処理部による、前記分割データを対象として、第1のデータ処理を行う第1の処理ステップと、前記第1の処理ステップによる第1の処理結果を、他の前記信号処理部に送信するとともに、他の前記信号処理部から送信された第2の処理結果を受信する通信ステップとを含む信号処理方法。
(8)コンピュータを、入力データを複数の異なる分割データに分割する分割部と、複数の異なる前記分割データをそれぞれ処理する複数の信号処理部として機能させるためのプログラムであって、前記信号処理部は、前記分割データを対象として、第1のデータ処理を行う第1の処理部と、前記第1の処理部による第1の処理結果を、他の前記信号処理部に送信するとともに、他の前記信号処理部から送信された第2の処理結果を受信する通信部とを有するプログラム。
図15は、上述した一連の処理をプログラムにより実行するコンピュータのハードウェアの構成例を示している。
Claims (8)
- 入力データを複数の異なる分割データに分割する分割部と、
複数の異なる前記分割データをそれぞれ処理する複数の信号処理部と
を含み、
前記信号処理部は、
前記分割データを対象として、第1のデータ処理を行う第1の処理部と、
前記第1の処理部による第1の処理結果を、他の前記信号処理部に送信するとともに、他の前記信号処理部から送信された第2の処理結果を受信する通信部と
を有する
信号処理装置。 - 前記信号処理部は、
前記第1の処理結果と前記第2の処理結果に基づいて、前記入力データに前記第1のデータ処理を施したときに得られる第3の処理結果を取得する取得部と、
前記取得部により取得された前記第3の処理結果を対象として、前記第1のデータ処理とは異なる第2のデータ処理を行う第2の処理部と
をさらに有する
請求項1に記載の信号処理装置。 - 前記通信部は、前記第1の処理結果の他、前記複数の信号処理部に反映させる設定内容を示す設定情報も、他の前記信号処理部に送信する
請求項2に記載の信号処理装置。 - 前記通信部は、前記設定情報を受信済みの他の前記信号処理部との間で、前記設定情報に基づく設定内容を反映させるタイミングを同期させる
請求項3に記載の信号処理装置。 - 前記通信部は、前記第1の処理結果を、他の前記信号処理部から受信済みの前記第2の処理結果とともに、さらに他の前記信号処理部に送信する
請求項4に記載の信号処理装置。 - 前記分割部は、前記入力データとして入力される入力画像を、複数の異なる部分画像に分割し、
前記信号処理部において、
前記第1の処理部は、前記部分画像を対象として、前記部分画像を区分して得られるサブ領域の輝度に関する情報であるサブ領域情報を算出する前記第1のデータ処理を行い、
前記通信部は、前記第1の処理部の処理結果として得られた第1の前記サブ領域情報を、他の前記信号処理部に送信するとともに、他の前記信号処理部から、他の前記部分画像を対象として算出された第2の前記サブ領域情報を受信し、
前記取得部は、前記第1の処理部により算出された前記第1のサブ領域情報、及び前記通信部により受信された前記第2のサブ領域情報を、前記入力画像に前記第1のデータ処理を施したときに得られる第3のサブ領域情報として取得し、
前記第2の処理部は、前記取得部により取得された前記第3のサブ領域情報を対象として、前記部分画像の表示用に点灯する、バックライトの一部を制御させるためのバックライトデータを生成する前記第2のデータ処理を行う
請求項2に記載の信号処理装置。 - 分割部と、複数の信号処理部とを含む信号処理装置の信号処理方法において、
前記分割部による、入力データを複数の異なる分割データに分割する分割ステップと、
前記信号処理部による、
前記分割データを対象として、第1のデータ処理を行う第1の処理ステップと、
前記第1の処理ステップによる第1の処理結果を、他の前記信号処理部に送信するとともに、他の前記信号処理部から送信された第2の処理結果を受信する通信ステップと
を含む信号処理方法。 - コンピュータを、
入力データを複数の異なる分割データに分割する分割部と、
複数の異なる前記分割データをそれぞれ処理する複数の信号処理部と
して機能させるためのプログラムであって、
前記信号処理部は、
前記分割データを対象として、第1のデータ処理を行う第1の処理部と、
前記第1の処理部による第1の処理結果を、他の前記信号処理部に送信するとともに、他の前記信号処理部から送信された第2の処理結果を受信する通信部と
を有する
プログラム。
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JP2014521332A JPWO2013191027A1 (ja) | 2012-06-20 | 2013-06-11 | 信号処理装置、信号処理方法、及びプログラム |
BR112014031251A BR112014031251A2 (pt) | 2012-06-20 | 2013-06-11 | dispositivo e método de processamento de sinal, e, programa |
US14/407,105 US20150172557A1 (en) | 2012-06-20 | 2013-06-11 | Signal processing device, signal processing method, and program |
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JP2011180336A (ja) | 2010-03-01 | 2011-09-15 | Seiko Epson Corp | 画像処理装置、投写型表示装置、映像表示システム、画像処理方法、コンピュータープログラム |
WO2011162040A1 (ja) * | 2010-06-23 | 2011-12-29 | シャープ株式会社 | 画像表示装置および画像表示方法 |
JP2012010194A (ja) * | 2010-06-25 | 2012-01-12 | Toshiba Corp | 映像信号処理装置及び方法 |
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JP2011180336A (ja) | 2010-03-01 | 2011-09-15 | Seiko Epson Corp | 画像処理装置、投写型表示装置、映像表示システム、画像処理方法、コンピュータープログラム |
WO2011162040A1 (ja) * | 2010-06-23 | 2011-12-29 | シャープ株式会社 | 画像表示装置および画像表示方法 |
JP2012010194A (ja) * | 2010-06-25 | 2012-01-12 | Toshiba Corp | 映像信号処理装置及び方法 |
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BR112014031251A2 (pt) | 2017-06-27 |
US20150172557A1 (en) | 2015-06-18 |
JPWO2013191027A1 (ja) | 2016-05-26 |
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