Three dimensional composite video motion detection

Claim 3

The method of claim 1 further including providing an indication of no intra-frame motion when said resolved vectors fall within said preselected convergence range.

Claim 4

The method of claim 1 further including: generating a second set of vectors indicative of picture content of at least two successive frames in a received composite video signal; resolving said second set of vectors; comparing said resolved second set of vectors with a second preselected convergence range; and providing an indication of inter-frame motion when said second set of resolved vectors fall outside said second preselected convergence range.

Claim 5

The method of claim 3 further including providing an indication of no inter-frame motion when said resolved vectors fall within said second preselected convergence range.

Claim 8

The method of claim 5 further comprising: generating a second set of signals indicative of variations in picture content between adjacent frames of said received composite video signal; combining said second set of signals; generating said first signal indicative of a first method for further processing of said received composite video signal when at least one of said combined first and second sets of signals exceeds a preselected value; and generating said second signal indicative of said second method for further processing of said composite video signal when both of said combined signals do not exceed said preselected value.

Claim 11

The method of claim 7 further including generating a second state signal when said first preselected value exceeds said first signal and said second preselected value exceeds said second signal.

Claim 14

The method of claim 9 further including generating a first state signal when either of said first and second signals exceeds a preselected value.

Claim 15

The method of claim 10 further including generating a second state signal when neither of said first and second signals exceeds said preselected value.

Claim 16

The method of claim 9 further including generating at least a second pair of spatial vectors representative of variations within a second frame of a television picture signal.

Claim 17

The method of claim 12 further including: resolving said one pair of spatial vectors representative of variations in content within a frame and said second pair of spatial vectors representative of variations within a second frame to obtain a resolved spatial value; comparing said resolved spatial value with a predetermined value indicative of acceptable system noise; and generating a first output signal when said resolved spatial value is less than said predetermined value.

Claim 18

The method of claim 13 further including generating a second output signal when said resolved spatial value is greater than said predetermined value.

Claim 19

The method of claim 14 wherein said generating said first signal indicative of temporal variance comprises generating at least one pair of temporal vectors representative of variations in content between two or more fields of a television picture signal.

Claim 20

The method of claim 15 further including generating at least a second pair of temporal vectors representative of variations between two or more fields of a television picture signal.

Claim 21

The method of claim 16 further including: resolving said one pair of temporal vectors representative of variations in content between two or more fields and said second pair of temporal vectors representative of variations between two or more fields to obtain a resolved temporal value; comparing said resolved temporal value with a predetermined value indicative of acceptable system noise; and generating a first output signal when said resolved temporal value is less than said predetermined value.

Claim 22

The method of claim 17 further including generating a second output signal when said resolved temporal value is greater than said predetermined value.

Claim 23

The method of claim 18 wherein said television picture signal comprises a composite video signal.

Claim 24

The method of claim 18 further including generating a control signal indicative of whether said first output signal or said second output signal has been generated.

Claim 27

The method of claim 21 wherein said television picture signal comprises a composite video signal.

Claim 28

The method of claim 21 further including generating at least a second pair of temporal vectors representative of variations between two or more fields of a television picture signal.

Claim 29

The method of claim 23 further including: resolving said one pair of temporal vectors representative of variations in content between two or more fields and said second pair of temporal vectors representative of variations between two or more fields to obtain a resolved temporal value; comparing said resolved temporal value with a predetermined value indicative of acceptable system noise; and generating a first output signal when said resolved temporal value is less than said predetermined value.

Claim 30

The method of claim 24 further including generating a second output signal when said resolved temporal value is greater than said predetermined value.

Claim 33

The system of claim 26 further including means for generating a first output signal when either of said first signal and said second signal is greater than a predetermined value.

Claim 34

The system of claim 27 further including means for generating a second output signal when neither of said first signal and said second signal are greater than said predetermined value.

Claim 35

The system of claim 26 wherein said television picture signal is a composite video signal.

Claim 36

The system of claim 26 wherein said means for generating a set of vectors comprises means for generating at least one pair of spatial vectors representative of picture content within a frame of a received television picture signal.

Claim 37

The system of claim 30 further including means for generating a second pair of spatial vectors representative of picture content within a second frame of said received television signal.

Claim 38

The system of claim 31 further including means for resolving said one and said second pairs of spatial vectors to generate a resolved spatial value.

Claim 39

The system of claim 32 further comprising means for generating a first output signal when said resolved spatial value exceeds a predetermined value.

Claim 40

The system of claim 33 further comprising means for generating a second output signal when said resolved spatial value does not exceed said predetermined value.

Claim 41

The system of claim 34 wherein said means for generating a second signal indicative of temporal variance comprises means for generating a set of vectors representative of variation in picture content between two or more fields of a television picture signal.

Claim 42

The system of claim 35 wherein said means for generating a set of vectors representative of variation in picture content between two or more fields comprises means for generating at least one pair of temporal vectors representative of picture content variation between two fields of a received television picture signal.

Claim 43

The system of claim 36 further including means for generating a second pair of temporal vectors representative of picture content variation between two fields of said received television signal.

Claim 44

The system of claim 37 further including means for resolving said one and said second pairs of temporal vectors to generate a resolved temporal value.

Claim 45

The system of claim 38 further comprising means for generating a first output signal when said resolved temporal value exceeds a predetermined temporal value.

Claim 46

The system of claim 39 further comprising means for generating a second output signal when said resolved temporal value does not exceed said predetermined temporal value.

Claim 49

The system of claim 41 wherein said television picture signal is a composite video signal.

Claim 50

The system of claim 41 wherein said means for generating a set of vectors comprises means for generating at least one pair of temporal vectors representative of picture content variation between two fields of a received television picture signal.

Claim 51

The system of claim 43 further including means for generating a second pair of temporal vectors representative of picture content variation between two fields of said received television signal.

Claim 52

The system of claim 44 further including means for resolving said one and said second pairs of temporal vectors to generate a resolved temporal value.

Claim 53

The system of claim 45 further comprising means for generating a first output signal when said resolved temporal value exceeds a predetermined value.

Claim 54

The system of claim 46 further comprising means for generating a second output signal when said resolved temporal value does not exceed said predetermined value.

Claim 57

The system of claim 48 further comprising: first resolving means for resolving said one or more signals indicative of intra-field motion; and second resolving means for resolving said one or more signals indicative of inter-field motion and said one or more signals indicative of inter-frame motion.

Claim 58

The system of claim 49 wherein said first resolving means further comprises means for generating a first output signal when said resolved signals exceed a preselected value and a second output signal when said resolved signals do not exceed said preselected value.

Claim 59

The system of claim 50 wherein said second resolving means further comprises means for generating a first output signal when said resolved signals exceed another preselected value and a second output signal when said resolved signals do not exceed said another preselected value.

Claim 62

The system of claim 52 further comprising: third combining means for combining a vector indicative of the difference between pixels having a first, same chroma polarity located in two different display fields and another vector indicative of the difference between pixels, at least one being located in each of said two different display fields, having the same chroma polarity, opposite to said first chroma polarity to produce an output; fourth combining means for combining a vector indicative of the difference between pixels having a chroma polarity opposite to said first polarity located in two different display fields and another vector indicative of the difference between pixels, at least one being located in each of said two different display fields, each having said first chroma polarity to produce an output; means for resolving an output of each of said third and fourth combining means to a first value if said output has a magnitude less than or equal to a preselected magnitude; and comparison means coupled to said means for resolving for generating a first output signal when the output of each of said combining means has been resolved to said first value indicative of an acceptable variance in picture content within said first and another display fields and for otherwise generating a second output signal.

Claim 63

The system of claim 53 further comprising logic means associated with said comparison means for generating a first control signal when both of said comparison means generate said first output and a second control signal when either of said comparison means generates said second output signal.

Claim 64

The system of claim 53 further comprising: means for separating the chroma component from said vector inputs to said first combining means and from said vector inputs to second combining means; and means for comparing said separated chroma components from said vector inputs to generate a first output signal when said separated chroma components are equal in magnitude and a second output signal when said separated chroma components are not equal in magnitude.

Claim 65

The system of claim 55 wherein said means for comparing comprises: means for normalizing said separated chroma components to a first value whenever they have a magnitude within a preselected range of magnitudes; and means responsive to said means for normalizing to generate a first output signal when each of said separated chroma components has been normalized and when said separated chroma components are equal in value and to generate a second output signal when either of said chroma components has not been normalized and said separated chroma components are not equal in magnitude.

Claim 66

The system of claim 56 further comprising logic means associated with said comparison means and said means responsive to said means for normalizing for generating a first control signal when both of said comparison means and said means responsive to said means for normalizing generate said first output and a second control signal when either of said comparison means or said means responsive generate said second output signal.

Claim 69

The system of claim 58 wherein said delay means comprises: a first delay circuit for receiving a signal indicative of a first pixel from a current display line in a current display field; a second delay circuit for receiving a signal indicative of a second, corresponding pixel from a previous display line in said current display field; a third delay circuit for receiving a signal indicative of a pixel corresponding to said first pixel from a display line in a previous display field; a fourth delay circuit for receiving a signal indicative of a pixel corresponding to said first pixel from a display line in a previous display frame; and a fifth delay circuit for receiving a signal indicative of a pixel corresponding to said second pixel from a display line in a previous display frame.

Claim 70

The system of claim 59 wherein each of said delay circuits comprises a two pixel delay circuit.

Claim 71

The system of claim 59 further wherein said combining means comprises: first summer means adapted to receive said signal indicative of said first pixel in said current display line at a first input and the output of said second delay circuit at a second input to generate an output signal representative of the difference between tow pixels in said current display field, said two pixels having a first, like chroma polarity; second summer means adapted to receive said signal indicative of said first pixel in said current display line at a first input and the output of said third delay circuit at a second input to generate an output signal representative of the difference between two pixels in said separate display fields, said two pixels having a first, like chroma polarity; third summer means adapted to receive said signal indicative of said second, corresponding pixel from another display line in said current display field at a first input and the output of said first delay circuit at a second input to generate an output signal representative of the difference between two pixels in said current display field, said two pixels having a like chroma polarity, opposite to said first polarity; fourth summer means adapted to receive said signal indicative of said pixel corresponding to first pixel from a previous display field at a first input and the output of said first delay circuit at a second input to generate an output signal representative of the difference between two pixels in said separate display fields, said two pixels having a like chroma polarity, opposite to said first polarity; fifth summer means adapted to receive said signal indicative of a pixel corresponding to said first pixel from a display line of a previous display frame at a first input and the output of said first delay circuit at a second input to generate an output signal representative of the difference between two pixels in said separate display frames said two pixels having a like chroma polarity, opposite to said first polarity; sixth summer means adapted to receive said signal indicative of said first pixel in said current display line at a first input and the output of said fourth delay circuit at a second input to generate an output signal representative of the difference between two pixels in said separate display frames, said two pixels having a first, like chroma polarity; seventh summer means adapted to receive said signal indicative of a pixel corresponding to said second pixel from a current display line of a previous display frame at a first input and the output of said fourth delay circuit at a second input to generate an output signal representative of the difference between two pixels in another display field, said two pixels having a first, like chroma polarity; and eighth summer means adapted to receive said signal indicative of a pixel corresponding to said first pixel from a display line of a previous display frame at a first input and the output of said fifth delay circuit at a second input to generate an output signal representative of the difference between two pixels in said separate display fields, said two pixels having a like chroma polarity, opposite to said first polarity.

Claim 72

The system of claim 58 wherein said generated signals indicative of content in a received television signal are used for improving noise immunity in a displayed picture.

Claim 73

The system of claim 58 wherein said generated signals indicative of content in a received television signal are used for detecting motion in a displayed picture.