Television – Format conversion – Line doublers type
Reexamination Certificate
2005-01-25
2005-01-25
Kostak, Victor R. (Department: 2614)
Television
Format conversion
Line doublers type
C348S448000
Reexamination Certificate
active
06847406
ABSTRACT:
High definition video signals are pre-filtered and down-sampled by a video converter system to standard definition picture sizes. Standard definition motion estimators employed for field rate up-conversion are then utilized to estimate motion vectors for the standard definition pictures. The resulting motion vectors are scaled and post-processed for motion smoothness for use in motion compensated up-conversion of the field rate for the high definition pictures. The associated memory size and bandwidth requirements and overall cost render consumer electronics implementations for motion compensated field rate up-conversion of film material to high definition video commercially viable while preserving picture quality.
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patent: 5940130 (1999-08-01), Nilsson et al.
patent: 5995154 (1999-11-01), Heimburger
patent: 0514012 (1992-11-01), None
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IC Motion Compensated De-Interlacing, Noise Reduction, and Picture Rate Conversion, by Gerard de Haan et al., International Conference on Consumer Electronics 1999, pp. 212-213.
“Robust Motion-Compensated Video Up-Conversion”, by C.A. Ojo and Gerard de Haaan, IEEE Tr. on Consumer Electronics, vol. 43, No. 4, pp. 1045-1056 (Nov. 1997).
Dantwala Nehal R.
Ojo Olukayode Anthony
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