System and method for asynchronous, adaptive moving picture compression, and decompression
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United States of America Patent
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Dec 17, 2002
Issued Date -
N/A
app pub date -
Mar 8, 2000
filing date -
Jun 23, 1997
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Expired
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Abstract
System and method for asynchronous transmission of video images such as from a sending to a receiving terminal or from a sending processor to a storage medium like videotape. The system receives moving picture image information such as analog video digitized into 2D bitmap data and employs a modeling system such as a triangulated mesh modeling system to create an initial image consisting of a compact set of N elements (such as the data points of a triangulated mesh) where the number of elements is less than the number of elements necessary to display the image. In the exemplary embodiment the model elements are bitmap pixel assignments, however other elements such as wavelets, or Fourier component elements, or iterated function system (IFS maps) could also be used. As the images of the moving picture change, the sending computer compares data for each new image against the current model elements and will add elements to or remove elements from the model to update the model to make it current with the new image. The sending computer outputs a sequence of commands to replicate the model building and subsequent updating either to a receiving terminal (which displays the moving image in real time) or to a digital or analog storage medium such as a disk or analog tape. This entire video sequence can be compressed into a sequence of add and remove commands. These commands can be output across communication systems or stored for later playback. In creating each add or remove command, the present invention employs an encoding technique which indexes the spatial coordinate data and color pixel assignment data, so that an instruction can be encoded with an index rather than specifying a full longhand command. A decompress function of the present invention is comprised to decode each encoded command and execute the instruction. The modeling system presented is also adaptive to allow greater clarity or resolution in the images transmitted depending on the amount of bandwidth available in the communications or storage system.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- SIZMEK TECHNOLOGIES, INC.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Aguera-Arcas, Blaise | Princeton, NJ | 31 | 541 |
Migdal, Alexander A | Princeton, NJ | 7 | 610 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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