WO2013088589A1 - 映像信号処理装置、映像信号出力装置、及び映像信号処理方法 - Google Patents
映像信号処理装置、映像信号出力装置、及び映像信号処理方法 Download PDFInfo
- Publication number
- WO2013088589A1 WO2013088589A1 PCT/JP2012/002803 JP2012002803W WO2013088589A1 WO 2013088589 A1 WO2013088589 A1 WO 2013088589A1 JP 2012002803 W JP2012002803 W JP 2012002803W WO 2013088589 A1 WO2013088589 A1 WO 2013088589A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- video signal
- frame
- information
- interpolation
- baseband
- Prior art date
Links
- 238000003672 processing method Methods 0.000 title claims description 7
- 238000001514 detection method Methods 0.000 claims abstract description 52
- 239000013598 vector Substances 0.000 claims abstract description 48
- 230000010354 integration Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 40
- 238000010586 diagram Methods 0.000 description 19
- 238000004590 computer program Methods 0.000 description 15
- 230000003252 repetitive effect Effects 0.000 description 7
- 239000000470 constituent Substances 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000015654 memory Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- 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
- H04N7/0127—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter
-
- 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
- H04N7/0135—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes
- H04N7/014—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes involving the use of motion vectors
-
- 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
- H04N7/0135—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes
- H04N7/0147—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes the interpolation using an indication of film mode or an indication of a specific pattern, e.g. 3:2 pull-down pattern
-
- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440281—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the temporal resolution, e.g. by frame skipping
Definitions
- the present invention relates to a video signal output device that decodes a compressed video signal (video stream) and converts a frame rate, a video signal processing device that interpolates and outputs a video, and a video signal processing method.
- the frame rate of the compressed video signal is converted into the output frame rate of the display device by repeating the decoded compressed video signal frame by frame repeat processing.
- cadence detection for detecting a video signal repeat cycle (cadence information) from video signals is performed, and frames are interpolated according to the repeat cycle.
- an object of the present invention is to provide a video signal processing apparatus and a video signal processing method capable of appropriately interpolating a frame-repeat frame without erroneously detecting frame repetition.
- the video signal processing device outputs the same frame as the corresponding frame continuously for each frame obtained by decoding the compressed video signal.
- An interpolation phase generation unit that obtains repeat information and generates interpolation phase information indicating a phase for generating an interpolation frame according to a frame rate of the baseband video signal based on the frame repeat information; and the frame repeat
- a motion vector detection unit for detecting a motion vector between updated frames represented by the information, and the interpolation phase information And generating the interpolated frame by interpolating the motion between the updated frames using the motion vector, and outputting the same frame rate as the baseband video signal, including the updated frame and the interpolated frame
- An interpolation frame generation unit that outputs a video signal.
- the present invention it is possible to determine that the repetition of the frame is due to frame repeat, and to interpolate the frame repeated frame without erroneous detection.
- FIG. 1 is a block diagram showing the configuration of the video signal processing apparatus according to the first embodiment of the present invention.
- FIG. 2 is a flowchart illustrating an example of a method for determining a frame repeat process.
- FIG. 3A is a diagram illustrating an example of the operation of the video signal processing device according to the first embodiment of the present invention.
- FIG. 3B is a diagram illustrating a relationship between the repetitive phase and the interpolation phase information.
- FIG. 4A is a diagram illustrating another example of the operation of the video signal processing device according to the first embodiment of the present invention.
- FIG. 4B is a diagram illustrating a relationship between the repetitive phase and the interpolation phase information.
- FIG. 5 is a block diagram showing the configuration of a video signal output device and a video signal processing device according to the second embodiment of the present invention.
- FIG. 6 is a diagram illustrating a data structure of a baseband video signal according to the second embodiment of the present invention.
- FIG. 7 is a diagram illustrating an example of bit assignment of frame repeat information according to the second embodiment of this invention.
- FIG. 8 is a block diagram showing a configuration of a video signal output device and a video signal processing device according to the third embodiment of the present invention.
- FIG. 9 is a block diagram showing a conventional example.
- Patent Document 1 discloses an example of a conventional frame rate conversion process. First, such an example will be described with reference to FIG.
- FIG. 9 shows, for example, that the input video signal is a film material that is periodically repeated, detects the video signal repeat cycle (cadence information) from the input video signal (cadence detection), and changes the frame rate from high-definition to NTSC.
- This is an example of conversion (down-conversion) to a method.
- a high-definition video signal Vin is supplied to the input terminal 101.
- the video signal Vin is directly supplied to the subtracter 102 and further supplied to the subtracter 102 via a series circuit of field memories 103 and 104 constituting a delay circuit (delay time of one frame period).
- the inter-frame difference signal SDF output from the subtracter 102 is supplied to a 2-3 pull-down telecine video signal detection circuit 105.
- the video signal Vin supplied to the input terminal 101 is supplied to the timing generation circuit 106.
- the timing generation circuit 106 is configured using a synchronization separation circuit, a PLL circuit, and the like, and based on a synchronization signal separated from the video signal Vin, a clock CK, a line synchronization signal LO / E corresponding to an odd / even line, a field pulse VP, And a frame pulse FP is output.
- the detection circuit 105 is supplied with a field pulse VP from the timing generation circuit 106.
- a conventional compressed video signal decoder that decodes a compressed video signal, and a video signal processing apparatus thereafter have been developed to decode a broadcast signal.
- a technique is known in which a frame that is repeatedly output is replaced with an interpolated frame obtained by interpolating the motion between frames for the purpose of smoothing a video change between frames that have been repeated.
- the video signal processing apparatus detects the cadence information obtained from the frame output from the compressed video signal decoder, the frame change point may be erroneously detected when similar frames continue. Therefore, it is also a problem that the video is disturbed as a result of the video signal being interpolated by erroneous detection or the like.
- the video signal processing device continuously outputs the same frame as the corresponding frame multiple times for each frame obtained by decoding the compressed video signal.
- a baseband video signal processing apparatus that performs signal processing of a baseband video signal generated by the first base frame, and represents a position in the baseband video signal of the first frame of the same frame that is continuously output a plurality of times
- An interpolation phase generation unit that acquires frame repeat information and generates interpolation phase information indicating a phase for generating an interpolation frame according to a frame rate of the baseband video signal based on the frame repeat information; and the frame
- a motion vector detection unit for detecting a motion vector between updated frames represented by repeat information; and the interpolation phase
- the interpolated frame is generated by interpolating the motion between the updated frames using the information and the motion vector, and includes the updated frame and the interpolated frame, and has the same frame rate as the baseband video signal.
- An interpolation frame generation unit that outputs an output video signal.
- the interpolation phase generation unit generates frame update information indicating whether or not a frame included in the baseband video signal is updated from the immediately preceding frame based on the frame repeat information, and the motion vector detection unit May detect a motion vector between the updated frames represented by the frame update information.
- the video signal processing apparatus further includes a cadence detection unit that detects cadence information indicating whether or not a frame included in the baseband video signal has been updated based on the baseband video signal, and the interpolation phase
- the generation unit may generate the frame update information and the interpolation phase information using the frame repeat information and the cadence information.
- the video signal processing apparatus further includes an HDMI acquisition unit that acquires a video signal of an HDMI (High Definition Multimedia Interface) standard including the baseband video signal and the frame repeat information, and the frame repeat information includes the HDMI It may be superimposed on the InfoFrame of the standard video signal.
- HDMI High Definition Multimedia Interface
- the video signal processing apparatus may further include a compressed video signal decoding unit that decodes the compressed video signal and outputs the baseband video signal and the frame repeat information.
- the compressed video signal decoding unit superimposes the frame repeat information on a blanking period that is a period in which video information is not included in the baseband video signal, and displays the baseband video signal and the frame repeat information. It may be output.
- the video signal processing apparatus may be an LSI (Large Scale Integration).
- the video signal output device acquires a compressed video signal, and outputs the same frame as the frame consecutively for each frame obtained by decoding the compressed video signal.
- a compressed video signal decoding unit that outputs a baseband video signal generated by the first frame and frame repeat information indicating a position in the baseband video signal of the first frame among the same frames that are continuously output a plurality of times.
- the compressed video signal decoding unit superimposes the frame repeat information on a blanking period that is a period in which video information is not included in the baseband video signal, and displays the baseband video signal and the frame repeat information. It may be output.
- the video signal output device further includes an HDMI output unit that outputs the baseband video signal and the frame repeat information as an HDMI standard video signal, and the HDMI output unit outputs the frame repeat information to the frame repeat information. It may be output by being superimposed on the InfoFrame of the HDMI standard video signal.
- the present invention provides a signal processing of a baseband video signal generated by outputting the same frame as the corresponding frame multiple times for each frame obtained by decoding a compressed video signal as a video signal processing method.
- a frame repeat information representing a position in the baseband video signal of the first frame among the same frames output continuously several times, and based on the frame repeat information
- An interpolation phase generation step for generating interpolation phase information indicating a phase of an interpolation frame to be interpolated according to a frame rate of the baseband video signal, and an updated motion vector between frames represented by the frame repeat information.
- FIG. 1 is a block diagram showing the configuration of the video signal processing apparatus according to the first embodiment.
- the video signal processing device 60 includes a compressed video signal decoding unit 10, a cadence detection unit 20, an interpolation phase generation unit 30, a motion vector detection unit 40, and an interpolation frame generation unit 50.
- the compressed video signal decoding unit 10 decodes the input compressed video signal and outputs a baseband video signal and frame repeat information.
- the baseband video signal is a video signal generated by continuously outputting the same frame as the corresponding frame for each frame included in the video signal obtained by decoding (decoding) the compressed video signal.
- the frame repeat information is information representing the position in the baseband video signal of the first frame among the same frames output continuously a plurality of times.
- the cadence detection unit 20 detects cadence information indicating whether or not a frame included in the baseband video signal has been updated based on the baseband video signal.
- Updating a frame means that a frame different from the frame that was output a plurality of times immediately before is output. That is, the point at which the frame is updated is a frame change point (switching of frames included in the video signal obtained by decoding the compressed video signal) in the baseband video signal. Therefore, the frame update period means a frame repetition period.
- Interpolation phase generation unit 30 acquires frame repeat information, and generates frame update information and interpolation phase information.
- the frame update information represents whether or not a frame included in the baseband video signal has been updated.
- the interpolation phase information is information for interpolating the motion between different frames of the baseband video signal.
- the motion vector detection unit 40 detects a motion vector between frames updated from the baseband video signal and the frame update information.
- the interpolation frame generation unit 50 generates an interpolation frame using the frame update information, the baseband video signal, the interpolation phase information, and the motion vector, and has the same frame rate as the baseband video signal including the updated frame and the interpolation frame. Output video signal.
- the output frame rate of the compressed video signal decoding unit 10 is 60 Hz unless otherwise specified.
- FIG. 3A is a diagram illustrating an example of the operation of the video signal processing device 60.
- the compressed video signal decoding unit 10 decodes an input compressed video signal ((1) and (1 ′) in FIG. 3A) and a baseband video signal ((2) in FIG. 3A) and frame repeat information ( (3) in FIG. 3A is output.
- the compressed video signal decoding unit 10 determines the frame rate of the compressed video signal using frame rate information that is a part of header information included in the compressed video signal or time stamp information included in the compressed video signal. I do.
- the compressed video signal decoding unit 10 decodes the compressed video signal. For each frame of the video signal, the same frame as that frame is continuously output four times.
- a frame described as “1” (hereinafter referred to as frame “1”) in FIG. 3A (2) is the same frame as a frame representing one stream of the compressed video signal.
- the frame “2” is the same frame as the frame representing the two streams of the compressed video signal.
- the frame repeat information indicated by (3) in FIG. 3A represents the first frame among the same frames output four times in succession.
- the frame repeat information is a low-level value during the period in which the first frame of frames “1”, “2”, “3”,. It is a digital signal that takes a high level value during other periods.
- the logic (high level period and low level period) of the frame repeat information may be reversed. That is, a high level value may be taken during a period in which the first frame of each frame output continuously is output, and a low level value may be taken during other periods.
- the interpolation phase generation unit 30 detects the frame rate of the compressed video signal from the ratio between the high level and the low level of the frame repeat information output from the compressed video signal decoding unit 10, and determines the frame repeat process. .
- FIG. 2 is a flowchart illustrating an example of a method for determining the frame repeat process of the interpolation phase generation unit 30.
- the frame rate of the compressed video signal is associated with a predetermined frame repeat process performed by the compressed video signal decoding unit 10.
- the frame repeat processing performed by the compressed video signal decoding unit 10 is either 2: 2: 2: 4 processing or 2: 2 processing.
- the 2: 2: 2: 4 processing includes, for example, frames “1”, “2”, “3”, and “4” that are temporally continuous in the compressed video signal (streams 1 to 4 are included).
- the compressed video signal decoding unit 10 outputs frames “1” “1” “2” “2” “3” “3” “4” “4” “4” “4” “4” as the baseband video signal. It means to do.
- the frames after the frame “5” following the frame “4” are also output continuously continuously continuously.
- the compressed video signal decoding unit 10 converts the frames “1”, “1”, “2”, “2”, “3”, “3”, “4”, and “4” as baseband video signals. This means that the frames of the video signal obtained by decoding the compressed video signal are output continuously twice.
- the frame repeat processing is 2: 3: 2: 3: 2 processing
- the frame repeat processing is 3: 2 processing. is there.
- the frame rate of the compressed video signal is 24 Hz, 20 Hz, 15 Hz, and 12 Hz
- the frame repeat processing is associated with 3: 2 processing, 3: 3 processing, 4: 4 processing, and 5: 5 processing, respectively. ing.
- the interpolation phase generation unit 30 performs the frame performed by the compressed video signal decoding unit 10 according to the flowchart of FIG. Repeat processing can be determined.
- the interpolation phase generation unit 30 refers to the output of the cadence detection unit 20 (S13). As a result, when the output of the cadence detection unit 20 represents 2: 2: 2: 4 processing (Yes in S13), the interpolation phase generation unit 30 determines that the frame repeat processing is 2: 2: 2: 4 processing. (S14). The operation of the cadence detection unit 20 will be described later. When the output of the cadence detection unit 20 does not represent 2: 2: 2: 4 processing (No in S13), the interpolation phase generation unit 30 determines that the frame repeat processing is 2: 2 processing.
- the interpolation phase generation unit 30 performs the frame repeat process by 2: 3: 2: 3: 2 process. It is determined that it exists (S8).
- the interpolation phase generation unit 30 determines that the frame repeat process is a 3: 2 process (S9).
- the interpolation phase generation unit 30 performs the 3: 3 frame repeat process (S10), and when the frame rate is determined to be 15 hz (Yes in S6). If the frame repeat process is 4: 4 process (S11) and the frame rate is 12 Hz (Yes in S7), it is determined that the frame repeat process is 5: 5 process (S12). When it is determined that the frame rate of the compressed video signal does not apply to all of the frame rates shown in FIG. 2 (No in S7), the processing delays of S8 to S12, S14, and S15 are matched. After processing, frame discrimination is performed again.
- the interpolation phase generation unit 30 determines that the frame rate of the compressed video signal is 15 Hz (S6 in FIG. 2). Therefore, the interpolation phase generation unit 30 determines that the frame repeat processing performed by the compressed video signal decoding unit 10 is 4: 4 processing (S11 in FIG. 2).
- the frame rate may be determined using frame rate information that is a part of header information included in the compressed video signal. Further, this determination may use time stamp information included in the compressed video signal. Further, the determination processing in steps S2 to S7 in FIG. 2 may be performed in one step. Further, the order of the processes in steps S2 to S7 in FIG. 2 may be changed.
- the interpolation phase generation unit 30 generates frame update information ((6) in FIG. 3A) and interpolation phase information ((7) in FIG. 3A).
- Frame update information is information indicating frame update (switching).
- the same frames as the frame “1”, the frame “2”, the frame “3”,... Included in the video signal obtained by decoding the compressed video signal are continuously output four times each.
- the update of the frame means that a frame different from the frame output continuously several times immediately before is output.
- the frame update information takes a high level value during a period in which each first frame (updated frame) of the baseband video signal that is continuously output four times is output. It is a digital signal that takes a low level value during the other periods.
- the frame update information is a signal obtained by inverting the logic of the frame repeat information. That is, the generation of the frame update information is not necessarily required, and the frame repeat information may be used as it is.
- the logic of the frame update information may be reversed.
- the low level value may be taken during the period when the first frame of each of the continuously output frames is outputted, and the high level value may be taken during the other periods.
- Interpolation phase information is information for generating an interpolated frame obtained by interpolating the motion of frames continuously output in the baseband video signal with a motion vector described later.
- the information represents the time distance between frames.
- the time distance between the frames “1”, “2”, “3”,... Included in the video signal obtained by decoding the compressed video signal is “1”.
- the same frame as the frame included in the video signal obtained by decoding the compressed video signal is output four times in succession, so the time distance between consecutively output frames is “0”. is there.
- the time distance between the last frame “1” of the frame “1” that is output four times in succession and the frame “2” that is output following this frame is “ 1 ”.
- the interpolation phase information is obtained as follows.
- the repetitive phase ((5) in FIG. 3A) is obtained based on the detection result of the frame rate shown in (4) in FIG. 3A (discrimination result of the frame repeat process).
- the frame repeat processing is 4: 4 processing, the same frame as the frame included in the video signal obtained by decoding the compressed video signal is output four times, so that each repetition phase of “0” to “3” is the repetition phase.
- the updated frame is associated with the repetition phase “0”, and the subsequent three frames that are the same as the updated frame have the repetition phases “1”, “2”, and “3”. Are associated.
- interpolated phase information is obtained from the repeated phase calculation results.
- the repetition phase and the interpolation phase are associated with each determined frame repeat process.
- FIG. 3B is a diagram showing the relationship between the repetitive phase and the interpolation phase information.
- the interpolation phase information “0”, “1/4”, “2/4”, and “3/4” are associated with the repetitive phases “0”, “1”, “2”, and “3”, respectively. ing. Therefore, for example, the first phase “1” output continuously (hereinafter referred to as updated frame “1”) is associated with the interpolation phase information “0”. Interpolation phase information “1/4” is associated with the second frame “1” output following the updated frame “1”. Similarly, interpolation phase information “2/4” is associated with the third frame “1”, and interpolation phase information “3/4” is associated with the fourth frame “1”.
- the interpolation phase generation unit 30 obtains the interpolation phase information using the table in which the repetition phase and the interpolation phase are associated with each determined frame repeat process.
- the motion vector detection unit 40 obtains a motion vector between frames updated using the frame update signal ((8) in FIG. 3A).
- the interpolation frame generation unit 50 generates an interpolation frame using the baseband video signal, the motion vector, the frame update information, and the interpolation phase information ((9) in FIG. 3A).
- the interpolation frame is generated by linearly interpolating the updated frame using the baseband video signal, the motion vector, the interpolation phase information, and the frame update information.
- the interpolation frame “1.25” corresponding to the interpolation phase “1 ⁇ 4” shown in (9) of FIG. 3A is updated to the updated frame “1” corresponding to the interpolation phase information “0”. It is generated by linear interpolation using the motion vector obtained from the frame “2”.
- the motion vector detection unit 40 divides the updated frame “1” and the updated frame “2” into several small regions.
- the motion vector detection unit 40 obtains a SAD (Sum of Absolute Difference) between one small region of the frame “2” (hereinafter referred to as a small region A) and each small region of the frame “1”.
- the SAD is a parameter obtained by calculating the absolute value of the luminance difference between each pixel constituting the frame and the corresponding pixel in the temporally continuous frame and summing up the absolute values of the calculated luminance differences of the pixels. .
- the motion vector detection unit 40 selects a small region (hereinafter referred to as a small region A ′) of the updated frame “1” corresponding to the smallest SAD value among the SADs obtained for the number of small regions. Ask. Furthermore, the motion vector detection unit 40 uses the small area A and the small area A ′ to obtain a motion vector A that represents a change in position from the small area A to the small area A ′.
- a small area (hereinafter referred to as small area A ′′) at the required position is obtained.
- the luminance of each pixel in the small area A ′′ is obtained by proportionally distributing the luminance of each pixel in the small area A and the luminance of each pixel in the small area A ′.
- the above 0.25 and 0.75 are values obtained from the interpolation phase information 1/4.
- the luminance of the small area A ′′ of the interpolation frame “1.25” is obtained.
- the luminance of the other small areas of the interpolation frame “1.25” is obtained by obtaining the motion vectors. As a result, the interpolation frame “1.25” is generated.
- the interpolation frame generation unit 50 generates interpolation frames “1.5” and “1.75” corresponding to the interpolation phase information “2/4” and “3/4”. Further, the interpolation frames “2.25”, “2.5”, and “2.75” shown in FIG. 3A are also generated by the same method.
- the interpolation frame generation unit 50 outputs an output video signal in which a frame included in the baseband video signal is replaced with an interpolation frame in accordance with the interpolation phase information. As shown in (9) of FIG. 3A, the frame corresponding to the interpolation phase information “0”, that is, the updated frame is not replaced with the interpolation frame.
- the video signal processing apparatus may be configured to discriminate the frame repeat processing by using both the frame repeat information and the cadence information detection.
- FIG. 4A is a diagram illustrating another example of the operation of such a video signal processing device 60.
- the compressed video signal decoding unit 10 decodes an input compressed video signal ((1) and (1 ′) in FIG. 4A) to generate a baseband video signal ((2) in FIG. 4A).
- Frame repeat information ((3) in FIG. 4A) is output.
- the compressed video signal decoding unit 10 continuously outputs frames by 2: 2: 2: 4 processing. Therefore, as shown in FIG. 4A, in the baseband video signal, the frames “1” to “3” are continuously output twice, and the frame “4” is continuously output four times. That is, the frame represented by “4 stream” and the frame represented by “4 ′ stream” in (1) of FIG. 4A are the same video (frame), and the frame in (2) of FIG. 4A. “4” and frame “4 ′” are the same frame.
- the frame repeat information indicated by (3) in FIG. 4A includes the frame “1”..., The frame “4”, the frame “4 ′”. It takes a low level value during the output period, and takes a high level value during other periods.
- the frame repeat information is a signal representing the frame rate of the compressed video signal.
- the interpolation phase generation unit 30 detects that the frame rate of the compressed video signal is 30 Hz from the ratio between the high level and low level periods of the frame repeat information (3) in FIG. 4A. ((4) in FIG. 4A).
- the cadence detection unit 20 detects cadence information indicating whether or not the frame included in the baseband video signal has been updated based on the baseband video signal ((7) in FIG. 4A).
- the cadence information is a value obtained by accumulatively adding the absolute value of the luminance difference of the corresponding pixel in each frame to the frame difference of the baseband video signal indicated by (2) in FIG. 4A (( 5)) is a digital signal ((6) in FIG. 4A) obtained by calculating 0/1 based on the threshold value.
- the interpolation phase generation unit 30 performs frame update information ((9) in FIG. 4A) and interpolation phase information (((4) in FIG. 4A) based on the detection result of the cadence information that the frame repeat processing is 2: 2: 2: 4 processing. 10)).
- the interpolation phase generation unit 30 first obtains the repetitive phase ((8) in FIG. 4A.
- the frame repeat processing is 2: 2: 2: 4 processing
- the frame repeat processing is: Since it has a period of every 10 frames, each repetition phase of “0” to “9” is associated as a repetition phase.
- FIG. 4B is a diagram showing the relationship between the repetitive phase and the interpolation phase information.
- the interpolation phase information “0”, “2/5”, “4/5”, “1/5”, “3/5”, “0”, “2” is added to the repetition phases “0” to “9”, respectively. / 5 ",” 4/5 “,” 1/5 ",” 3/5 ", and” 0 "are associated with each other. Therefore, the interpolation phase information is associated with each frame included in the baseband video signal shown in (2) of FIG. 4A.
- the motion vector detection unit 40 detects the motion vector between the updated frames using the frame update information ((9) in FIG. 4A) ((11) in FIG. 4A).
- the interpolation frame generation unit 50 generates an interpolation frame using the motion vector, the frame update information, and the interpolation phase information ((12) in FIG. 4A).
- the motion vector detection method and the interpolation frame generation method are the same as those described with reference to FIG. 3A.
- the interpolation frame generation unit 50 outputs an output video signal in which a frame included in the baseband video signal is replaced with an interpolation frame in accordance with the interpolation phase information. As shown in (12) of FIG. 4A, the frame corresponding to the interpolation phase information “0” is not replaced with the interpolation frame.
- the frame repeat information may be a signal that directly indicates the frame repeat process 2: 2: 2: 4 process. That is, for example, the frame repeat information may be a signal obtained by inverting the logic of the cadence information indicated by (6) in FIG. 4A.
- the detection result of the cadence detection unit 20 is used only when the frame rate of the compressed video signal is 30 Hz. However, even in the case of other frame rates, when there are two or more types of frame repeat processing for the same frame rate, the frame repeat processing is discriminated using the detection result of the cadence information of the cadence detection unit 20. May be.
- the cadence detection unit 20 is configured to detect only 2: 2: 2: 4 processing. However, the cadence detection unit 20 detects cadence information for other frame repeat processing. Also good.
- the video signal processing device 60 has been described based on the first embodiment.
- the video signal processing device 60 it is possible to determine the frame repeat processing of the baseband video signal without erroneous detection. Therefore, the video signal processing device 60 can appropriately interpolate the frames subjected to the frame repeat process.
- the video signal processing device 60 may output the output video signal to a display device or the like and display the detection result of the frame rate detected in FIG. 2 on the display device or the like.
- a selection menu for causing the user to select whether or not to perform frame interpolation processing based on the detection result of the frame rate may be displayed on a display device or the like before performing frame interpolation processing. Good.
- a device that decodes a compressed video signal (video signal output device) and a device that generates an interpolated frame (video signal processing device) can be configured as separate LSIs (Large Scale Integrations). Many.
- FIG. 5 is a block diagram showing a video signal output device and a video signal processing device according to the second embodiment of the present invention. Note that components having the same reference numerals as those in the first embodiment have the same functions as those in the first embodiment and perform the same operations as those in the first embodiment unless otherwise specified. Is omitted.
- the video signal output device 120 is an LSI including a compressed video signal decoding unit 10 and an LVDS output unit 100.
- the video signal processing device 130 is an LSI that includes a cadence detection unit 20, an interpolation phase generation unit 30, a motion vector detection unit 40, an interpolation frame generation unit 50, and an LVDS acquisition unit 110.
- the LVDS output unit 100 superimposes (records) frame repeat information in a blanking period in which the video information of the baseband video signal output from the compressed video signal decoding unit 10 is not included, and outputs it as LVDS.
- the LVDS acquisition unit 110 acquires the LVDS and separates the frame repeat information superimposed on the blanking period of the baseband video signal and the baseband video signal.
- the LVDS acquisition unit 110 outputs the separated frame repeat information to the interpolation phase generation unit 30, and outputs the baseband video signal to the cadence detection unit 20, the motion vector detection unit 40, and the interpolation frame generation unit 50.
- FIG. 6 is a diagram illustrating a data structure of a baseband video signal according to the second embodiment.
- the data structure shown in FIG. 6 is the 9th to 2nd bits of a signal (signal G) corresponding to green (G) of the baseband video signal.
- the LVDS output unit 100 superimposes and outputs frame repeat information in a blanking period of 20 bytes (8 bits ⁇ 20) located in the 9th to 2nd bits of the signal G.
- the 0th byte (HD) is a fixed value FFh indicating the header of the multiplexed signal
- the 1st byte (D0) is a valid flag of the repeat flag of the decoder.
- the second byte (D1) is frame repeat information
- the third byte (D2) is frame rate information of the compressed video signal (input stream)
- the fourth to nineteenth bytes (D3 to D18) are spare data. is there.
- FIG. 7 is a diagram illustrating an example of bit assignment of frame repeat information.
- the LSB (Least Significant Bit) of the first byte (D0) is a flag indicating the validity / invalidity of the frame repeat information. For example, “0” corresponds to invalidity, and “1” corresponds to validity.
- the LSB of the second byte (D1) is frame repeat information. For example, “0” corresponds to no frame repeat (the first frame of the same continuous frame), and “1” represents the occurrence of frame repeat (the same continuous) Corresponding to the first frame of the frame).
- the third byte (D2) is frame rate information of the compressed video signal (input video stream).
- D2 the frame rate of the compressed video signal
- a value of 1eh h represents a hexadecimal number
- the compressed video signal When the frame rate is 15 Hz, 0fh is stored in D2.
- the video signal output device 120 superimposes the frame repeat information on the blanking period of the baseband video signal, so that the video signal output device 120 can change the frame without changing the data structure of the baseband video signal. Repeat information can be transmitted.
- a signal used for communication may be a differential transmission system signal such as VbyOne (registered trademark) used for an interface between LSIs, or a single-end transmission system signal such as CMOS. .
- a device that decodes a compressed video signal (video signal output device) and a device that generates an interpolated frame (video signal processing device) may be mounted on different devices.
- the device that decodes the compressed video signal is a Blu-Ray player
- the device that generates the interpolation frame is a television.
- FIG. 8 is a block diagram showing a configuration of a video signal output device and a video signal processing device according to the third embodiment.
- the video signal output device 220 includes a compressed video signal decoding unit 10 and an HDMI output unit 200.
- the video signal processing device 230 is an LSI including a cadence detection unit 20, an interpolation phase generation unit 30, a motion vector detection unit 40, an interpolation frame generation unit 50, and an HDMI acquisition unit 210.
- the HDMI output unit 200 outputs a baseband video signal and decode information including frame repeat information as an HDMI standard video signal.
- the HDMI output unit 200 superimposes the decode information including the frame repeat information on the InfoFrame portion of the HDMI standard video signal and outputs it.
- the HDMI acquisition unit 210 acquires an HDMI standard video signal including a baseband video signal and decode information including frame repeat information.
- the frame repeat information is superimposed on the InfoFrame of the HDMI standard video signal by the HDMI output unit 200.
- the video signal output device 220 superimposes the frame repeat information on the InfoFrame of the HDMI standard video signal, so that the video signal output device 220 can easily transmit the frame repeat information between different devices. it can.
- the video signal output device and the video signal processing device have been described based on the first to third embodiments.
- the present invention can be modified as follows.
- Each of the above devices is specifically a computer system including a microprocessor, a ROM, a RAM, a hard disk unit, a display unit, a keyboard, a mouse, and the like.
- a computer program is stored in the RAM or hard disk unit.
- Each device achieves its functions by the microprocessor operating according to the computer program.
- the computer program is configured by combining a plurality of instruction codes indicating instructions for the computer in order to achieve a predetermined function.
- a part or all of the components constituting each of the above devices may be configured by one system LSI (Large Scale Integration).
- the system LSI is an ultra-multifunctional LSI manufactured by integrating a plurality of components on a single chip, and specifically, a computer system including a microprocessor, ROM, RAM, and the like. .
- a computer program is stored in the RAM.
- the system LSI achieves its functions by the microprocessor operating according to the computer program.
- a part or all of the constituent elements constituting each of the above devices may be constituted by an IC card or a single module that can be attached to and detached from each device.
- the IC card or the module is a computer system including a microprocessor, a ROM, a RAM, and the like.
- the IC card or the module may include the super multifunctional LSI described above.
- the IC card or the module achieves its function by the microprocessor operating according to the computer program. This IC card or this module may have tamper resistance.
- the present invention may be the method described above. Further, the present invention may be a computer program that realizes these methods by a computer, or may be a digital signal composed of the computer program.
- the present invention also provides a computer-readable recording medium such as a flexible disk, hard disk, CD-ROM, MO, DVD, DVD-ROM, DVD-RAM, BD (Blu-ray Disc). ), Recorded in a semiconductor memory or the like. Further, the digital signal may be recorded on these recording media.
- a computer-readable recording medium such as a flexible disk, hard disk, CD-ROM, MO, DVD, DVD-ROM, DVD-RAM, BD (Blu-ray Disc).
- the computer program or the digital signal may be transmitted via an electric communication line, a wireless or wired communication line, a network represented by the Internet, a data broadcast, or the like.
- the present invention may be a computer system including a microprocessor and a memory, the memory storing the computer program, and the microprocessor operating according to the computer program.
- the program or the digital signal is recorded on the recording medium and transferred, or the program or the digital signal is transferred via the network or the like, and is executed by another independent computer system. It is good.
- the video signal processing device can process the baseband video signal into the output video signal using the interpolation frame without erroneously detecting the frame repeat processing. Is possible. Therefore, a smooth and high-definition video display in which the viewer does not feel uncomfortable with the video is realized.
- the baseband video signal is signal-processed into the output video signal using the interpolation frame without erroneously detecting the frame repeat processing. It is possible. Therefore, according to the present invention, it is possible to display a smooth and high-definition video without causing the viewer to feel uncomfortable, and it is useful as a display device such as a television or a personal computer that can reproduce a compressed video signal.
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Systems (AREA)
Abstract
Description
本発明者らは、「背景技術」の欄において記載した、デコードした圧縮映像信号についてフレームレート変換する処理の後、補間フレームを用いて映像信号を再生する場合に以下の課題が生じることを見出した。
以下、図1を参照しながら、第1の実施形態の構成について説明する。
映像信号処理において、圧縮映像信号をデコードする装置(映像信号出力装置)と、補間フレームを生成する装置(映像信号処理装置)とは、それぞれ別々のLSI(Large Scale Integration)として構成されることが多い。
映像信号処理において、圧縮映像信号をデコードする装置(映像信号出力装置)と、補間フレームを生成する装置(映像信号処理装置)とが、それぞれ別々の機器に実装される場合が考えられる。例えば、圧縮映像信号をデコードする装置がBlu-Rayプレーヤであり、補間フレームを生成する装置がテレビであるような場合である。
20 ケイデンス検出部
30 補間位相生成部
40 動きベクトル検出部
50 補間フレーム生成部
60、130、230 映像信号処理装置
100 LVDS出力部
110 LVDS取得部
120、220 映像信号出力装置
200 HDMI出力部
210 HDMI取得部
Claims (11)
- 圧縮映像信号がデコードされることで得られるフレームごとに当該フレームと同じフレームが複数回連続して出力されることによって生成されたベースバンド映像信号の信号処理を行う映像信号処理装置であって、
複数回連続して出力された前記同じフレームのうち最初のフレームの前記ベースバンド映像信号内の位置を表すフレームリピート情報を取得し、前記フレームリピート情報に基づいて、前記ベースバンド映像信号のフレームレートに応じて補間フレームを生成するための位相を示す補間位相情報を生成する補間位相生成部と、
前記フレームリピート情報が表す更新されたフレーム間の動きベクトルを検出する動きベクトル検出部と、
前記補間位相情報及び前記動きベクトルを用いて、前記更新されたフレーム間の動きを補間した前記補間フレームを生成し、前記更新されたフレームと前記補間フレームとを含む、前記ベースバンド映像信号と同じフレームレートの出力映像信号を出力する補間フレーム生成部とを備える
映像信号処理装置。 - 前記補間位相生成部は、前記フレームリピート情報に基づいて、前記ベースバンド映像信号に含まれるフレームが直前のフレームから更新されたか否かを表すフレーム更新情報を生成し、
前記動きベクトル検出部は、前記フレーム更新情報が表す前記更新されたフレーム間の動きベクトルを検出する
請求項1に記載の映像信号処理装置。 - 前記映像信号処理装置は、さらに、前記ベースバンド映像信号に含まれるフレームが更新されたか否かを表すケイデンス情報を前記ベースバンド映像信号に基づいて検出するケイデンス検出部を備え、
前記補間位相生成部は、前記フレームリピート情報と前記ケイデンス情報とを用いて前記補間位相情報を生成する
請求項1または2に記載の映像信号処理装置。 - 前記映像信号処理装置は、さらに、前記ベースバンド映像信号と前記フレームリピート情報とが含まれるHDMI(High Definition Multimedia Interface)規格の映像信号を取得するHDMI取得部を備え、
前記フレームリピート情報は、前記HDMI規格の映像信号のInfoFrameに重畳される
請求項1~3のいずれか1項に記載の映像信号処理装置。 - 前記映像信号処理装置は、さらに、前記圧縮映像信号をデコードして前記ベースバンド映像信号と前記フレームリピート情報とを出力する圧縮映像信号デコード部を備える
請求項1~4のいずれか1項に記載の映像信号処理装置。 - 前記圧縮映像信号デコード部は、前記ベースバンド映像信号のうち映像情報が含まれていない期間であるブランキング期間に前記フレームリピート情報を重畳して前記ベースバンド映像信号及び前記フレームリピート情報を出力する
請求項5に記載の映像信号処理装置。 - 前記映像信号処理装置は、LSI(Large Scale Integration)である
請求項1~6のいずれか1項に記載の映像信号処理装置。 - 圧縮映像信号を取得し、前記圧縮映像信号がデコードされることで得られるフレームごとに当該フレームと同じフレームを複数回連続して出力することによって生成したベースバンド映像信号と、複数回連続して出力した前記同じフレームのうち最初のフレームの前記ベースバンド映像信号内の位置を表すフレームリピート情報とを出力する圧縮映像信号デコード部を備える
映像信号出力装置。 - 前記圧縮映像信号デコード部は、前記ベースバンド映像信号のうち映像情報が含まれていない期間であるブランキング期間に前記フレームリピート情報を重畳して前記ベースバンド映像信号及び前記フレームリピート情報を出力する
請求項8に記載の映像信号出力装置。 - 前記映像信号出力装置は、さらに、前記ベースバンド映像信号と前記フレームリピート情報とをHDMI規格の映像信号として出力するHDMI出力部とを備え、
前記HDMI出力部は、前記フレームリピート情報を前記HDMI規格の映像信号のInfoFrameに重畳して出力する
請求項8に記載の映像信号出力装置。 - 圧縮映像信号がデコードされることで得られるフレームごとに当該フレームと同じフレームが複数回連続して出力されることによって生成されたベースバンド映像信号の信号処理を行う映像信号処理方法であって、
複数回連続して出力された前記同じフレームのうち最初のフレームの前記ベースバンド映像信号内の位置を表すフレームリピート情報を取得し、前記フレームリピート情報に基づいて、前記ベースバンド映像信号のフレームレートに応じて補間される補間フレームの位相を示す補間位相情報とを生成する補間位相生成ステップと、
前記フレームリピート情報が表す更新されたフレーム間の動きベクトルを検出する動きベクトル検出ステップと、
前記補間位相情報及び前記動きベクトルを用いて前記補間フレームを生成し、前記更新されたフレームと前記補間フレームとを含む、前記ベースバンド映像信号と同じフレームレートの出力映像信号を出力する補間フレーム生成ステップとを備える
映像信号処理方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/362,628 US20140362923A1 (en) | 2011-12-14 | 2012-04-24 | Video signal processing device, video signal output device, and video signal processing method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011273550 | 2011-12-14 | ||
JP2011-273550 | 2011-12-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013088589A1 true WO2013088589A1 (ja) | 2013-06-20 |
Family
ID=48612073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2012/002803 WO2013088589A1 (ja) | 2011-12-14 | 2012-04-24 | 映像信号処理装置、映像信号出力装置、及び映像信号処理方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20140362923A1 (ja) |
JP (1) | JPWO2013088589A1 (ja) |
WO (1) | WO2013088589A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016190089A1 (ja) * | 2015-05-22 | 2016-12-01 | ソニー株式会社 | 送信装置、送信方法、画像処理装置、画像処理方法、受信装置および受信方法 |
JP2017011502A (ja) * | 2015-06-22 | 2017-01-12 | 株式会社メガチップス | 受信装置及びこれを用いた画像伝送システム |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9300906B2 (en) * | 2013-03-29 | 2016-03-29 | Google Inc. | Pull frame interpolation |
US20150296101A1 (en) * | 2014-04-09 | 2015-10-15 | Tao Han | Universal Film mode detection for interlaced video stream |
CN105657491A (zh) * | 2015-08-21 | 2016-06-08 | 乐视致新电子科技(天津)有限公司 | 音视频播放设备 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09172618A (ja) * | 1995-12-19 | 1997-06-30 | Nippon Hoso Kyokai <Nhk> | 画像変換装置 |
JP2002152569A (ja) * | 2000-11-07 | 2002-05-24 | Matsushita Electric Ind Co Ltd | シネマ信号作成システム |
JP2007288483A (ja) * | 2006-04-17 | 2007-11-01 | Matsushita Electric Ind Co Ltd | 画像変換装置 |
JP2008124741A (ja) * | 2006-11-10 | 2008-05-29 | Sony Corp | 画像処理装置、画像処理方法、およびプログラム |
JP2008167102A (ja) * | 2006-12-28 | 2008-07-17 | Hitachi Ltd | 映像処理装置及びそれを備えた映像表示装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100463764B1 (ko) * | 2000-07-21 | 2004-12-29 | 마츠시타 덴끼 산교 가부시키가이샤 | 신호 전달 시스템 |
US20080288263A1 (en) * | 2005-09-14 | 2008-11-20 | Lg Electronics, Inc. | Method and Apparatus for Encoding/Decoding |
JP5593596B2 (ja) * | 2008-02-04 | 2014-09-24 | ソニー株式会社 | 映像信号送信装置および映像信号送信方法 |
-
2012
- 2012-04-24 JP JP2013549056A patent/JPWO2013088589A1/ja active Pending
- 2012-04-24 US US14/362,628 patent/US20140362923A1/en not_active Abandoned
- 2012-04-24 WO PCT/JP2012/002803 patent/WO2013088589A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09172618A (ja) * | 1995-12-19 | 1997-06-30 | Nippon Hoso Kyokai <Nhk> | 画像変換装置 |
JP2002152569A (ja) * | 2000-11-07 | 2002-05-24 | Matsushita Electric Ind Co Ltd | シネマ信号作成システム |
JP2007288483A (ja) * | 2006-04-17 | 2007-11-01 | Matsushita Electric Ind Co Ltd | 画像変換装置 |
JP2008124741A (ja) * | 2006-11-10 | 2008-05-29 | Sony Corp | 画像処理装置、画像処理方法、およびプログラム |
JP2008167102A (ja) * | 2006-12-28 | 2008-07-17 | Hitachi Ltd | 映像処理装置及びそれを備えた映像表示装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016190089A1 (ja) * | 2015-05-22 | 2016-12-01 | ソニー株式会社 | 送信装置、送信方法、画像処理装置、画像処理方法、受信装置および受信方法 |
JPWO2016190089A1 (ja) * | 2015-05-22 | 2018-03-08 | ソニー株式会社 | 送信装置、送信方法、画像処理装置、画像処理方法、受信装置および受信方法 |
US10904592B2 (en) | 2015-05-22 | 2021-01-26 | Sony Corporation | Transmission apparatus, transmission method, image processing apparatus, image processing method, reception apparatus, and reception method |
JP2017011502A (ja) * | 2015-06-22 | 2017-01-12 | 株式会社メガチップス | 受信装置及びこれを用いた画像伝送システム |
Also Published As
Publication number | Publication date |
---|---|
US20140362923A1 (en) | 2014-12-11 |
JPWO2013088589A1 (ja) | 2015-04-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8436921B2 (en) | Picture signal processing system, playback apparatus and display apparatus, and picture signal processing method | |
WO2013088589A1 (ja) | 映像信号処理装置、映像信号出力装置、及び映像信号処理方法 | |
US20090322858A1 (en) | Picture signal processing device, television receiving apparatus and method of controlling apparatus | |
US7250983B2 (en) | System and method for overlaying images from multiple video sources on a display device | |
JP2008135965A (ja) | インタレース映像の生成シーケンスの検出方法およびインタレース/プログレッシブ変換方法並びに装置 | |
JP2008252591A (ja) | 補間フレーム生成装置、補間フレーム生成方法及び放送受信装置 | |
US8830393B2 (en) | Method, apparatus and machine-readable medium for handling interpolated video content | |
JP5106039B2 (ja) | 画像音声同期再生装置 | |
JP5194110B2 (ja) | 送信装置および受信装置 | |
JP4513873B2 (ja) | 映像処理装置、及び映像処理方法 | |
US9743034B2 (en) | Video transmitting/receiving device and video display device | |
JP5161935B2 (ja) | 映像処理装置 | |
JP5206313B2 (ja) | コーミングノイズ検出装置、コーミングノイズ検出方法 | |
JP2004015700A (ja) | プログレッシブ変換方法、プログレッシブ変換装置、シーケンス検出方法、シーケンス検出装置および映像データ処理装置 | |
JP2010124193A (ja) | 映像信号処理装置及び映像信号処理方法 | |
JP2009159321A (ja) | 補間処理装置、補間処理方法及び映像表示装置 | |
WO2009098895A1 (ja) | 映像信号処理方法、集積回路および映像再生装置 | |
JP2008252333A (ja) | 映像データ伝送システム | |
JP2008061067A (ja) | 映像表示システム、再生装置および表示装置 | |
WO2011114633A1 (ja) | 映像信号処理装置及び映像信号処理方法 | |
JP2013102295A (ja) | 画像符号化方法、画像符号化装置及びプログラム、画像復号方法、画像復号装置及びプログラム | |
JP4063158B2 (ja) | 画像合成装置及び方法、並びに画像再生装置 | |
JP2007081755A (ja) | 画像データ変換装置 | |
KR20100069909A (ko) | 디-인터레이싱 방법, 디-인터레이싱 장치 및 이를 포함한 영상 표시 시스템 | |
JP5371682B2 (ja) | 画像処理装置及び画像処理方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 12857498 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2013549056 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14362628 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 12857498 Country of ref document: EP Kind code of ref document: A1 |