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There are a total of 19 record(s) matching your query.
Sorted by: Date Added To NTRS in Descending order
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Data compression for the microgravity experiments
Author(s): Sayood, Khalid; Whyte, Wayne A., Jr.; Anderson, Karen S.; Shalkhauser, Mary JO; Summers, Anne M.
Abstract: Researchers present the environment and conditions under which data compression is to be performed for the microgravity experiment. Also presented are some coding techniques that would be useful for coding in this ...
NASA Center: Glenn Research Center
Publication Year: 1989
Added to NTRS: 2008-05-30
Accession Number: 90N16212; Document ID: 19900006896
Real-Time Digital Compression Of Television Image Data
Author(s): Barnes, Scott P.; Shalkhauser, Mary JO; Whyte, Wayne A., Jr.
Abstract: Digital encoding/decoding system compresses color television image data in real time for transmission at lower data rates and, consequently, lower bandwidths. Implements predictive coding process, in which each picture ...
NASA Center: Glenn Research Center
Publication Year: 1990
Added to NTRS: 2005-09-30
Accession Number: 90B10450; Document ID: 19900000450; Report Number: LEW-14945
Real-Time Compression Of Digital Video
Author(s): Bizon, Thomas P.; Whyte, Wayne A., Jr.; Shalkhauser, Mary JO; Marcopoli, Vincent R.
Abstract: Enhanced DPCM video compression algorithm utilizes non-uniform quantizer, non-adaptive predictor, and multi-level Huffman coder to substantially reduce data rate below that achievable with conventional DPCM. Images ...
NASA Center: Glenn Research Center
Publication Year: 1995
Added to NTRS: 2005-09-30
Accession Number: 95B10160; Document ID: 19950065319; Report Number: LEW-15866
Real-time demonstration hardware for enhanced DPCM video compression algorithm
Author(s): Bizon, Thomas P.; Whyte, Wayne A., Jr.; Marcopoli, Vincent R.
Abstract: The lack of available wideband digital links as well as the complexity of implementation of bandwidth efficient digital video CODECs (encoder/decoder) has worked to keep the cost of digital television transmission too high ...
NASA Center: Glenn Research Center
Publication Year: 1992
Added to NTRS: 2005-08-25
Accession Number: 92N19700; Document ID: 19920010458; Report Number: E-6954, NAS 1.15:105616, NASA-TM-105616
An allotment planning concept and related computer software for planning the fixed satellite service at the 1988 space WARC
Author(s): Miller, Edward F.; Heyward, Ann O.; Ponchak, Denise S.; Spence, Rodney L.; Whyte, Wayne A., Jr.; Zuzek, John E.
Abstract: Described is a two-phase approach to allotment planning suitable for use in establishing the fixed satellite service at the 1988 Space World Administrative Radio Conference (ORB-88). The two phases are (1) the identification ...
NASA Center: Glenn Research Center
Publication Year: 1987
Added to NTRS: 2005-08-25
Accession Number: 88N11944; Document ID: 19880002562; Report Number: E-3777, NAS 1.15:100244, NASA-TM-100244
Numerical Arc Segmentation Algorithm for a Radio Conference-NASARC (version 4.0) technical manual
Author(s): Whyte, Wayne A., Jr.; Heyward, Ann O.; Ponchak, Denise S.; Spence, Rodney L.; Zuzek, John E.
Abstract: The information contained in the NASARC (Version 4.0) Technical Manual and NASARC (Version 4.0) User's Manual relates to the Numerical Arc Segmentation Algorithm for a Radio Conference (NASARC) software development through ...
NASA Center: Glenn Research Center
Publication Year: 1988
Added to NTRS: 2005-08-25
Accession Number: 90N20264; Document ID: 19900010948; Report Number: E-4736, NAS 1.15:101453, NASA-TM-101453
Numerical arc segmentation algorithm for a radio conference-NASARC (version 2.0) technical manual
Author(s): Whyte, Wayne A., Jr.; Heyward, Ann O.; Ponchak, Denise S.; Spence, Rodney L.; Zuzek, John E.
Abstract: The information contained in the NASARC (Version 2.0) Technical Manual (NASA TM-100160) and NASARC (Version 2.0) User's Manual (NASA TM-100161) relates to the state of NASARC software development through October 16, 1987. ...
NASA Center: Glenn Research Center
Publication Year: 1987
Added to NTRS: 2005-08-25
Accession Number: 88N15910; Document ID: 19880006528; Report Number: E-3722, NAS 1.15:100160, NASA-TM-100160
Real-time transmission of digital video using variable-length coding
Author(s): Bizon, Thomas P.; Shalkhauser, Mary JO; Whyte, Wayne A., Jr.
Abstract: Huffman coding is a variable-length lossless compression technique where data with a high probability of occurrence is represented with short codewords, while 'not-so-likely' data is assigned longer codewords. Compression is ...
NASA Center: Glenn Research Center
Publication Year: 1993
Added to NTRS: 2005-08-25
Accession Number: 93N22483; Document ID: 19930013294; Report Number: E-7730, NAS 1.15:106092, NASA-TM-106092
Data compression for full motion video transmission
Author(s): Whyte, Wayne A., Jr.; Sayood, Khalid
Abstract: Clearly transmission of visual information will be a major, if not dominant, factor in determining the requirements for, and assessing the performance of the Space Exploration Initiative (SEI) communications systems. ...
NASA Center: Glenn Research Center
Publication Year: 1991
Added to NTRS: 2005-08-25
Accession Number: 91N32247; Document ID: 19910022933; Report Number: AIAA PAPER 91-3533, E-6564, NAS 1.15:105239, NASA-TM-105239
Numerical Arc Segmentation Algorithm for a Radio Conference (NASARC), version 4.0: User's manual
Author(s): Whyte, Wayne A., Jr.; Heyward, Ann O.; Ponchak, Denise S.; Spence, Rodney L.; Zuzek, John E.
Abstract: The information in the NASARC (Version 4.0) Technical Manual (NASA-TM-101453) and NASARC (Version 4.0) User's Manual (NASA-TM-101454) relates to the state of Numerical Arc Segmentation Algorithm for a Radio Conference ...
NASA Center: Glenn Research Center
Publication Year: 1988
Added to NTRS: 2005-08-25
Accession Number: 90N21250; Document ID: 19900011934; Report Number: E-4987, NAS 1.15:101454, NASA-TM-101454
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