Video information bandwidth compression
First Claim
1. A method of video information bandwidth compression, comprising in combination the steps of:
- arranging said video information in image fields and subfields;
providing for said subfields a system of coefficients having a first coefficient indicative of average subfield luminance as to any given subfield and including a selected number of further coefficients indicative of spatial content of the particular subfield; and
updating said first and further coefficients, with said first coefficient being updated for each subfield as to each utilized field and said further coefficients being updated less frequently than said first coefficient.
0 Assignments
0 Petitions
Accused Products
Abstract
Methods and apparatus for video information bandwidth compression arrange the video information in image fields and subfields and provide for the subfields a system of coefficients having a first coefficient indicative of average subfield luminance as to any given subfield and including a selected number of further coefficients indicative of spatial content of the particular subfield. The first and further coefficients are updated with the first coefficient being updated for each subfield as to each utilized field and the further coefficients being updated less frequently than the first coefficient. The subject invention is also applicable to bandwidth compression of recurring information other than video signals.
-
Citations
130 Claims
-
1. A method of video information bandwidth compression, comprising in combination the steps of:
-
arranging said video information in image fields and subfields; providing for said subfields a system of coefficients having a first coefficient indicative of average subfield luminance as to any given subfield and including a selected number of further coefficients indicative of spatial content of the particular subfield; and updating said first and further coefficients, with said first coefficient being updated for each subfield as to each utilized field and said further coefficients being updated less frequently than said first coefficient. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. A method of video information bandwidth compression, comprising in combination the steps of:
-
arranging said video information in image fields and subfields; providing for said subfields a system of coefficients having a first coefficient indicative of average subfield luminance as to any given subfield and including further coefficients indicative of spatial content of the particular subfield and being of unequal significance; selecting from said further coefficients a number of coefficients having at least a predetermined significance and deleting the remainder of said further coefficients; and updating said first and selected further coefficients, with said first coefficient being updated for each subfield as to each utilized field and said selected further coefficients being updated less frequently than said first coefficient. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
-
-
21. A method of compressing the bandwidth of a video signal including video information and synchronization information for said video information, comprising in combination the steps of:
-
separating said synchronization information from said video information; arranging said video information in image fields and subfields; providing for said subfields a system of coefficients having a first coefficient indicative of average subfield luminance as to any given subfield and including a selected number of further coefficients indicative of spatial content of the particular subfield; updating said first and further coefficients, with said first coefficient being updated for each subfield as to each utilized field and said further coefficients being updated less frequently than said first coefficient; and combining said separated synchronization information and updated first and further coefficients to a reduced bandwidth video signal. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30)
-
-
31. A method of compressing the bandwidth of a video signal including video information and synchronization information for said video information, comprising in combination the steps of:
-
separating said synchronization information from said video information; arranging said video information in image fields and subfields; providing for said subfields a system of coefficients having a first coefficient indicative of average subfield luminance as to any given subfield and including further coefficients indicative of spatial content of the particular subfield and being of unequal significance; selecting from said further coefficients a number of coefficients having at least a predetermined significance and deleting the remainder of said further coefficients; updating said first and selected further coefficients, with said first coefficient being updated for each subfield as to each utilized field and said selected further coefficients being updated less frequently than said first coefficient; and combining said separated synchronization information and updated first and selected further coefficients to a reduced bandwidth video signal. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40)
-
-
41. A method of compressed bandwidth video information processing, comprising in combination the steps of:
-
arranging said video information in image fields and subfields; providing for said subfields a system of coefficients having a first coefficient indicative of average subfield luminance as to any given subfield and including a selected number of further coefficients indicative of spatial content of the particular subfield; updating said first and further coefficients, with said first coefficient being updated for each subfield as to each utilized field and said further coefficients being updated less frequently than said first coefficient; transferring said updated first and further coefficients through a data channel; and partially reconstructing said video information with said transferred updated first and further coefficients. - View Dependent Claims (42, 43, 44, 45, 46, 47, 48, 49, 50, 51)
-
-
52. A method of compressed bandwidth video information processing, comprising in combination the steps of:
-
arranging said video information in image fields and subfields; providing for said subfields a system of coefficients having a first coefficient indicative of average subfield luminance as to any given subfield and including further coefficients indicative of spatial content of the particular subfield and being of unequal significance; selecting from said further coefficients a number of coefficients having at least a predetermined significance and deleting the remainder of said further coefficients; updating said first and selected further coefficients, with said first coefficient being updated for each subfield as to each utilized field and said selected further coefficients being updated less frequently than said first coefficient; transferring said updated first and selected further coefficients through a data channel; and partially reconstructing said video information with said transferred updated first and selected further coefficients. - View Dependent Claims (53, 54, 55, 56, 57, 58, 59, 60, 61, 62)
-
-
63. A method of compressed bandwidth processing of a video signal including video information and synchronization information for said video information, comprising in combination the steps of:
-
separating said synchronization information from said video information; arranging said video information in image fields and subfields; providing for said subfields a system of coefficients having a first coefficient indicative of average subfield luminance as to any given subfield and including a selected number of further coefficients indicative of spatial content of the particular subfield; updating said first and further coefficients, with said first coefficient being updated for each subfield as to each utilized field and said further coefficients being updated less frequently than said first coefficient; combining said separated synchronization information and updated first and further coefficients to a reduced bandwidth video signal; transferring said reduced bandwidth video signal through a data channel; and partially reconstructing said video information with said transferred reduced bandwidth video signal. - View Dependent Claims (64, 65, 66, 67, 68, 69, 70, 71, 72, 73)
-
-
74. A method of compressed bandwidth processing of a video signal including video information and synchronization information for said video information, comprising in combination the steps of:
-
separating said synchronization information from said video information; arranging said video information in image fields and subfields; providing for said subfields a system of coefficients having a first coefficient indicative of average subfield luminance as to any given subfield and including further coefficients indicative of spatial content of the particular subfield and being of unequal significance; selecting from said further coefficients a number of coefficients having at least a predetermined significance and deleting the remainder of said further coefficients; updating said first and selected further coefficients, with said first coefficient being updated for each subfield as to each utilized field and said selected further coefficients being updated less frequently than said first coefficient; combining said separated synchronization information and updated first and selected further coefficients to a reduced bandwidth video signal; transferring said reduced bandwidth video signal through a data channel; and partially reconstructing said video information with said transferred reduced bandwidth video signal. - View Dependent Claims (75, 76, 77, 78, 79, 80, 81, 82, 83, 84)
-
-
85. A method of bandwidth compressing recurring information, comprising in combination the steps of:
-
arranging said recurring information in two-dimensional arrays of information elements; providing for said arrays a system of coefficients having for each array a first coefficient indicative of an average intensity of information elements in the particular array and including a selected number of further coefficients indicative of spatial content in terms of the information elements of the particular array; and updating said first and further coefficients, with said first coefficient being updated more frequently than said further coefficients. - View Dependent Claims (86, 87, 88, 89)
-
-
90. In video information bandwidth compression apparatus, the improvement comprising in combination:
-
means for arranging said video information in image fields and subfields; means operatively associated with said arranging means for providing for said subfields a system of coefficients having a first coefficient indicative of average subfield luminance as to any given subfield and including a selected number of further coefficients indicative of spatial content of the particular subfield; and means connected to said coefficients providing means for updating said first and further coefficients, said updating means including means for updating said first coefficient for each subfield as to each utilized field and for updating said further coefficients less frequently than said first coefficient. - View Dependent Claims (91, 92, 93)
-
-
94. In video information bandwidth compression apparatus, the improvement comprising in combination:
-
means for arranging said video information in image fields and subfields; means operatively associated with said arranging means for providing for said subfields a system of coefficients having a first coefficient indicative of average subfield luminance as to any given subfield and including further coefficients indicative of spatial content of the particular subfield and being of unequal significance; means connected to said coefficients providing means for selecting from said further coefficients a number of coefficients having at least a predetermined significance and for deleting the remainder of said further coefficients; and means connected to either of said coefficients providing means and said selecting means for updating said first and selected further coefficients, said updating means including means for updating said first coefficient for each subfield as to each utilized field and for updating said selected further coefficients less frequently than said first coefficient. - View Dependent Claims (95, 96, 97)
-
-
98. In apparatus for compressing the bandwidth of a video signal including video information and synchronization information for said video information, the improvement comprising in combination:
-
means for separating said synchronization information from said video information; means for arranging said video information in image fields and subfields; means operatively associated with said separating means and arranging means for providing for said subfields a system of coefficients having a first coefficient indicative of average subfield luminance as to any given subfield and including a selected number of further coefficients indicative of spatial content of the particular subfield; means connected to said coefficients providing means for updating said first and further coefficients, said updating means including means for updating said first coefficient for each subfield as to each utilized field and for updating said further coefficients less frequently than said first coefficient; and means connected to said updating means and to said separating means for combining said separated synchronization information and updated first and further coefficients to a reduced bandwidth video signal. - View Dependent Claims (99, 100, 101)
-
-
102. In apparatus for compressing the bandwidth of a video signal including video information and synchronization information for said video information, the improvement comprising in combination:
-
means for separating said synchronization information from said video information; means for arranging said video information in image fields and subfields; means operatively associated with said separating means and arranging means for providing for said subfields a system of coefficients having a first coefficient indicative of average subfield luminance as to any given subfield and including further coefficients indicative of spatial content of the particular subfield and being of unequal significance; means connected to said coefficients providing means for selecting from said further coefficients a number of coefficients having at least a predetermined significance and for deleting the remainder of said further coefficients; means connected to either of said coefficients providing means and said selecting means for updating said first and selected further coefficients, said updating means including means for updating said first coefficient for each subfield as to each utilized field and for updating said selected further coefficients less frequently than said first coefficient; and means connected to said updating means and to said separating means for combining said separated synchronization information and updated first and selected further coefficients to a reduced bandwidth video signal. - View Dependent Claims (103, 104, 105)
-
-
106. In compressed bandwidth video information processing apparatus, the improvement comprising in combinaton:
-
means for arranging said video information in image fields and subfields; means operatively associated with said arranging means for providing for said subfields a system of coefficients having a first coefficient indicative of average subfield luminance as to any given subfield and including a selected number of further coefficients indicative of spatial content of the particular subfield; means connected to said coefficient providing means for updating said first and further coefficients, said updating means including means for updating said first coefficient for each subfield as to each utilized field and for updating said further coefficients less frequently than said first coefficient; means including a data channel connected to said updating means for transferring said updated first and further coefficients; and means connected to said means including a data channel for partially reconstructing said video information from said transferred updated first and further coefficients. - View Dependent Claims (107, 108, 109, 110)
-
-
111. In compressed bandwidth video information processing apparatus, the improvement comprising in combination:
-
means for arranging said video information in image fields and subfields; means operatively associated with said arranging means for providing for said subfields a system of coefficients having a first coefficient indicative of average subfield luminance as to any given subfield and including further coefficients indicative of spatial content of the particular subfield and being of unequal significance; means connected to said coefficients providing means for selecting from said further coefficients a number of coefficients having at least a predetermined significance and for deleting the remainder of said further coefficients; means connected to either of said coefficients providing means and said selecting means for updating said first and selected further coefficients, said updating means including means for updating said first coefficient for each subfield as to each utilized field and for updating said selected further coefficients less frequently than said first coefficient; means including a data channel connected to said updating means for transferring said updated first and selected further coefficients; and means connected to said means including a data channel for partially reconstructing said video information from said transferred updated first and selected further coefficients. - View Dependent Claims (112, 113, 114, 115)
-
-
116. In apparatus for compressed bandwidth processing of a video signal including video information and synchronization information for said video information, comprising in combination the steps of:
-
means for separating said synchronization information from said video information; means for arranging said video information in image fields and subfields; means operatively associated with said separating means and arranging means for providing for said subfields a system of coefficients having a first coefficient indicative of average subfield luminance as to any given subfield and including a selected number of further coefficients indicative of spatial content of the particular subfield; means connected to said coefficients providing means for updating said first and further coefficients, said updating means including means for updating said first coefficient for each subfield as to each utilized field and for updating said further coefficients less frequently than said first coefficient; means connected to said updating means and to said separating means for combining said separated synchronization information and updated first and further coefficients to a reduced bandwidth video signal; means including a data channel connected to said combining means for transferring said reduced bandwidth video signal; and means connected to said means including a data channel for partially reconstructing said video information from said transferred reduced bandwidth video signal. - View Dependent Claims (117, 118, 119, 120)
-
-
121. In apparatus for compressed bandwidth processing of a video signal including video information and synchronization information for said video information, the improvement comprising in combination:
-
means for separating said synchronization information from said video information; means for arranging said video information in image fields and subfields; means operatively associated with said separating means and arranging means for providing for said subfields a system of coefficients having a first coefficient indicative of average subfield luminance as to any given subfield and including further coefficients indicative of spatial content of the particular subfield and being of unequal significance; means connected to said coefficients providing means for selecting from said further coefficients a number of coefficients having at least a predetermined significance and for deleting the remainder of said further coefficients; means connected to either of said coefficients providing means and said selecting means for updating said first and selected further coefficients, said updating means including means for updating said first coefficient for each subfield as to each utilized field and for updating said selected further coefficients less frequently than said first coefficient; means connected to said updating means and to said separating means for combining said separated synchronization information and updated first and selected further coefficients to a reduced bandwidth video signal; means including a data channel connected to said combining means for transferring said reduced bandwidth video signal; and means connected to said means including a data channel for partially reconstructing said video information from said transferred reduced bandwidth video signal. - View Dependent Claims (122, 123, 124, 125)
-
-
126. In apparatus for compressing the bandwidth of recurring information, the improvement comprising in combination:
-
means for arranging said recurring information in two-dimensional arrays of information elements; means operatively associated with said arranging means for providing for said arrays a system of coefficients having for each array a first coefficient indicative of an average intensity of information elements in the particular array and including a selected number of further coefficients indicative of spatial content in terms of the information elements of the particular array; and means connected to said coefficients providing means for updating said first and further coefficients, said updating means including means for updating said first coefficient more frequently than said first coefficient. - View Dependent Claims (127, 128, 129, 130)
-
Specification