Method of and apparatus for motion vector compensation in receiving television signal based on muse system

Claim 1

A method of motion vector compensation carrying out compensation for a chrominance signal included in a received television signal based on an MUSE system in response to a motion vector signal multiplexed on said television signal, comprising the steps of: finding whether or not the remainder obtained by dividing the amount of a vector indicated by said motion vector signal by a predetermined number is 0, and determining a chrominance signal to be inserted in a position to be interpolated in the present frame depending on whether or not said remainder is 0, in said step of determining a chrominance signal to be inserted, a chrominance signal in any of the previous frames in a position spaced apart from said position to be interpolated by a distance based on said amount of the motion vector being determined as said chrominance signal to be inserted when said remainder is 0 while a chrominance signal being produced using a chrominance signal in any of the previous frames in the periphery of the position spaced apart from said position to be interpolated by the distance based on said amount of the motion vector and the produced chrominance signal being determined as said chrominance signal to be inserted when said remainder is not 0.

Claim 2

A method of motion vector compensation carrying out compensation for a chrominance signal included in a received television signal based on an MUSE system in response to a motion vector signal multiplexed on said television signal, comprising the steps of: finding whether or not the remainder obtained by dividing the amount of a vector indicated by said motion vector signal by a predetermined number is 0, and determining a chrominance signal to be inserted in a position to be interpolated in the present frame depending on whether or not said remainder is 0, in said step of determining a chrominance signal to be inserted, a chrominance signal in any of the previous frames in a position spaced apart from said position to be interpolated by a distance based on said amount of the motion vector being determined as said chrominance signal to be inserted when said remainder is 0 while a chrominance signal being produced using a chrominance signal in any of the previous frames in the periphery of the position spaced apart from said position to be interpolated by the distance based on said amount of the motion vector and the produced chrominance signal being determined as said chrominance signal to be inserted when said remainder is not 0.

Claim 7

An apparatus for motion vector compensation which carries out compensation for a chrominance signal included in a received television signal based on an MUSE system in response to a motion vector signal multiplexed on said television signal, comprising: first determining means (112; 140; 169, 179; 33) for determining whether or not the remainder obtained by dividing the amount of a vector indicated by said motion vector signal by a predetermined number is 0, and second determining means (13, 15; 602, 603; 30, 31) for determining a chrominance signal to be inserted into a position to be interpolated in the present frame depending on whether or not said remainder is 0, said second determining means (13, 15; 602, 603; 30, 31) determining a chrominance signal in any of the previous frames in a position spaced apart from said position to be interpolated by a distance based on said amount of the motion vector as said chrominance signal to be inserted when said remainder is 0 while producing a chrominance signal using a chrominance signal in any of the previous frames in the periphery of the position spaced apart from said position to be interpolated by the distance based on said amount of the motion vector and determining said produced chrominance signal as said chrominance signal to be inserted when said remainder is not 0.

Claim 8

An apparatus for motion vector compensation which carries out compensation for a chrominance signal included in a received television signal based on an MUSE system in response to a motion vector signal multiplexed on said television signal, comprising: first determining means (112; 140; 169, 179; 33) for determining whether or not the remainder obtained by dividing the amount of a vector indicated by said motion vector signal by a predetermined number is 0, and second determining means (13, 15; 602, 603; 30, 31) for determining a chrominance signal to be inserted into a position to be interpolated in the present frame depending on whether or not said remainder is 0, said second determining means (13, 15; 602, 603; 30, 31) determining a chrominance signal in any of the previous frames in a position spaced apart from said position to be interpolated by a distance based on said amount of the motion vector as said chrominance signal to be inserted when said remainder is 0 while producing a chrominance signal using a chrominance signal in any of the previous frames in the periphery of the position spaced apart from said position to be interpolated by the distance based on said amount of the motion vector and determining said produced chrominance signal as said chrominance signal to be inserted when said remainder is not 0.

Claim 13

An apparatus for horizontal motion vector compensation which carries out compensation for a chrominance signal included in a received television signal based on an MUSE system and time-compressed at a predetermined compression rate in response to a horizontal motion vector multiplexed on said television signal, comprising: horizontal motion vector detecting means (23) for detecting a horizontal motion vector signal indicating the amount of a horizontal motion vector from said television signal, interframe interpolating means (7) for carrying out interframe interpolation using a time compressed chrominance signal in the present frame and a time compressed chrominance signal in any of the previous frames, delay amount outputting means (26) responsive to an output of said horizontal motion vector detecting means (23) for outputting a value obtained by dividing said amount of the horizontal motion vector by the reciprocal of said compression predetermined rate as the amount of delay, delay providing means (13; 602) responsive to an output of said delay amount outputting means (26) for providing delay to said time compressed chrominance signal in any of the previous frames in said interframe interpolating means (7), and filter means (15; 603) for compensating for said time compressed chrominance signal in any of the previous frames in said interframe interpolating means (7) in accordance with predetermined processing corresponding to the remainder obtained by dividing said amount of the horizontal motion vector by the reciprocal of said predetermined compression rate when the remainder is not 0.

Claim 14

An apparatus for horizontal motion vector compensation which carries out compensation for a chrominance signal included in a received television signal based on an MUSE system and time-compressed at a predetermined compression rate in response to a horizontal motion vector multiplexed on said television signal, comprising: horizontal motion vector detecting means (23) for detecting a horizontal motion vector signal indicating the amount of a horizontal motion vector from said television signal, interframe interpolating means (7) for carrying out interframe interpolation using a time compressed chrominance signal in the present frame and a time compressed chrominance signal in any of the previous frames, delay amount outputting means (26) responsive to an output of said horizontal motion vector detecting means (23) for outputting a value obtained by dividing said amount of the horizontal motion vector by the reciprocal of said compression predetermined rate as the amount of delay, delay providing means (13; 602) responsive to an output of said delay amount outputting means (26) for providing delay to said time compressed chrominance signal in any of the previous frames in said interframe interpolating means (7), and filter means (15; 603) for compensating for said time compressed chrominance signal in any of the previous frames in said interframe interpolating means (7) in accordance with predetermined processing corresponding to the remainder obtained by dividing said amount of the horizontal motion vector by the reciprocal of said predetermined compression rate when the remainder is not 0.

Claim 18

An apparatus for horizontal motion vector compensation which carries out compensation for a chrominance signal included in a received television signal based on an MUSE system and time-compressed at a predetermined compression rate in response to a horizontal motion vector multiplexed on said television signal, comprising: horizontal motion vector detecting means (23) for detecting a horizontal motion vector signal indicating the amount of a horizontal motion vector from said television signal, interframe interpolating means (7) for carrying out interframe interpolation using a time compressed chrominance signal in the present frame and a time compressed chrominance signal in any of the previous frames, delay amount outputting means (26) responsive to an output of said horizontal motion vector detecting means (23) for outputting a value obtained by dividing said amount of the horizontal motion vector by the reciprocal of said predetermined compression rate as the amount of delay, delay providing means (13) responsive to an output of said delay amount outputting means (26) for providing delay to said time compressed chrominance signal in any of the previous frames in said interframe interpolating means (7), and filter means (15) for producing a time compressed chrominance signal to be inserted into a position to be interpolated in the present frame in said interframe interpolating means (7) in accordance with predetermined processing corresponding to the remainder obtained by dividing said amount of the horizontal motion vector by a value obtained by multiplying the reciprocal of said predetermined compression rate by the number of frames required for one circulation of a sampling pattern using a time compressed chrominance signal only one frame before out of time compressed chrominance signals in any of the previous frames when the remainder is not 0.

Claim 19

An apparatus for horizontal motion vector compensation which carries out compensation for a chrominance signal included in a received television signal based on an MUSE system and time-compressed at a predetermined compression rate in response to a horizontal motion vector multiplexed on said television signal, comprising: horizontal motion vector detecting means (23) for detecting a horizontal motion vector signal indicating the amount of a horizontal motion vector from said television signal, interframe interpolating means (7) for carrying out interframe interpolation using a time compressed chrominance signal in the present frame and a time compressed chrominance signal in any of the previous frames, delay amount outputting means (26) responsive to an output of said horizontal motion vector detecting means (23) for outputting a value obtained by dividing said amount of the horizontal motion vector by the reciprocal of said predetermined compression rate as the amount of delay, delay providing means (13) responsive to an output of said delay amount outputting means (26) for providing delay to said time compressed chrominance signal in any of the previous frames in said interframe interpolating means (7), and filter means (15) for producing a time compressed chrominance signal to be inserted into a position to be interpolated in the present frame in said interframe interpolating means (7) in accordance with predetermined processing corresponding to the remainder obtained by dividing said amount of the horizontal motion vector by a value obtained by multiplying the reciprocal of said predetermined compression rate by the number of frames required for one circulation of a sampling pattern using a time compressed chrominance signal only one frame before out of time compressed chrominance signals in any of the previous frames when the remainder is not 0.

Claim 21

An apparatus for vertical motion vector compensation which carries out compensation for two types of color difference signals included in a received television signal based on an MUSE system and transmitted in a line sequential manner in response to vertical motion vector signal multiplexed on said television signal, comprising: vertical motion vector detecting means (23) for detecting a vertical motion vector signal indicating the amount of a vertical motion vector from said television signal, interframe interpolating means (7; 30) for carrying out interframe interpolation using a color difference signal in the present frame and a color difference signal in any of the previous frames, delay amount outputting means (14) responsive to an output of said vertical motion vector detecting means (23) for outputting the amount of delay corresponding to said amount of the vertical vector, delay providing means (11) responsive to an output of said delay amount outputting means (14) for providing delay to said color difference signal in the previous frame in said interframe interpolating means (7; 30), and filter means (31) for producing a color difference signal to be inserted into a position to be interpolated in the present frame in said interframe interpolating means (7; 30) using a color difference signal in the previous frame in a position spaced apart from said position to be interpolated by a distance corresponding to said amount of the vertical motion vector or in the periphery thereof such that said color difference signal to be inserted becomes the same type of color difference signal as other color difference signals on a line to which the position to be interpolated belongs.

Claim 22

An apparatus for vertical motion vector compensation which carries out compensation for two types of color difference signals included in a received television signal based on an MUSE system and transmitted in a line sequential manner in response to vertical motion vector signal multiplexed on said television signal, comprising: vertical motion vector detecting means (23) for detecting a vertical motion vector signal indicating the amount of a vertical motion vector from said television signal, interframe interpolating means (7; 30) for carrying out interframe interpolation using a color difference signal in the present frame and a color difference signal in any of the previous frames, delay amount outputting means (14) responsive to an output of said vertical motion vector detecting means (23) for outputting the amount of delay corresponding to said amount of the vertical vector, delay providing means (11) responsive to an output of said delay amount outputting means (14) for providing delay to said color difference signal in the previous frame in said interframe interpolating means (7; 30), and filter means (31) for producing a color difference signal to be inserted into a position to be interpolated in the present frame in said interframe interpolating means (7; 30) using a color difference signal in the previous frame in a position spaced apart from said position to be interpolated by a distance corresponding to said amount of the vertical motion vector or in the periphery thereof such that said color difference signal to be inserted becomes the same type of color difference signal as other color difference signals on a line to which the position to be interpolated belongs.

Claim 24

An apparatus for motion vector compensation which carries out compensation for two types of color difference signals included in a received television signal based on an MUSE system and time-compressed at a predetermined compression rate to be transmitted in a line sequential manner and a luminance signal, in response to horizontal and vertical motion vector as multiplexed on said television signal, comprising: motion vector detecting means (23) for detecting a horizontal motion vector signal indicating the amount of the horizontal motion vector and a vertical motion vector signal indicating the amount of the vertical motion vector from said television signal, interframe interpolating means (7; 30) for carrying out interframe interpolation using a time compressed color difference signal or a luminance signal in the present frame and a time compressed color difference signal or a luminance signal in any of the previous frames, horizontal delay amount outputting means (26; 601) responsive to an output of said motion vector detecting means (23) for outputting as a first amount of delay a value obtained by multiplying said amount of the horizontal motion vector by said predetermined compression rate and outputting as a second amount of delay the amount of said horizontal motion vector, vertical delay amount outputting means (14) responsive to the output of said motion vector detecting means (23) for outputting a third amount of delay corresponding to said amount of the vertical motion vector, delay providing mans responsive to outputs of said horizontal and vertical delay amount outputting means (26, 601, 14) for providing delay to said time compressed color difference signal in any of previous frames in said interframe interpolating means (7; 30), first filter means (15) for producing a time compressed color difference signal to be inserted into a position to be interpolated in the present frame in said interframe interpolating means (7; 30) in accordance with predetermined processing corresponding to the remainder obtained by dividing said amount of the horizontal motion vector by a value obtained by multiplying the reciprocal of said predetermined compression rate by the number of frames required for one circulation of a sampling pattern using a time compressed color difference signal only one frame before out of time compressed color difference signals in any of the previous frames when the remainder is not 0, and second filter means (31) for producing a time compressed color difference signal to be inserted into a position to be interpolated in the present frame in said interframe interpolating means (7; 30) using a time compressed color difference signal only one frame before in a position spaced apart from said position to be interpolated by a distance corresponding to said amount of the vertical vector or in the periphery thereof such that said time compressed color difference signal to be inserted becomes the same type of time compressed color difference signal as other time compressed color difference signals on a line to which the position to be interpolated belongs.

Claim 25

An apparatus for motion vector compensation which carries out compensation for two types of color difference signals included in a received television signal based on an MUSE system and time-compressed at a predetermined compression rate to be transmitted in a line sequential manner and a luminance signal, in response to horizontal and vertical motion vector as multiplexed on said television signal, comprising: motion vector detecting means (23) for detecting a horizontal motion vector signal indicating the amount of the horizontal motion vector and a vertical motion vector signal indicating the amount of the vertical motion vector from said television signal, interframe interpolating means (7; 30) for carrying out interframe interpolation using a time compressed color difference signal or a luminance signal in the present frame and a time compressed color difference signal or a luminance signal in any of the previous frames, horizontal delay amount outputting means (26; 601) responsive to an output of said motion vector detecting means (23) for outputting as a first amount of delay a value obtained by multiplying said amount of the horizontal motion vector by said predetermined compression rate and outputting as a second amount of delay the amount of said horizontal motion vector, vertical delay amount outputting means (14) responsive to the output of said motion vector detecting means (23) for outputting a third amount of delay corresponding to said amount of the vertical motion vector, delay providing mans responsive to outputs of said horizontal and vertical delay amount outputting means (26, 601, 14) for providing delay to said time compressed color difference signal in any of previous frames in said interframe interpolating means (7; 30), first filter means (15) for producing a time compressed color difference signal to be inserted into a position to be interpolated in the present frame in said interframe interpolating means (7; 30) in accordance with predetermined processing corresponding to the remainder obtained by dividing said amount of the horizontal motion vector by a value obtained by multiplying the reciprocal of said predetermined compression rate by the number of frames required for one circulation of a sampling pattern using a time compressed color difference signal only one frame before out of time compressed color difference signals in any of the previous frames when the remainder is not 0, and second filter means (31) for producing a time compressed color difference signal to be inserted into a position to be interpolated in the present frame in said interframe interpolating means (7; 30) using a time compressed color difference signal only one frame before in a position spaced apart from said position to be interpolated by a distance corresponding to said amount of the vertical vector or in the periphery thereof such that said time compressed color difference signal to be inserted becomes the same type of time compressed color difference signal as other time compressed color difference signals on a line to which the position to be interpolated belongs.