Inventor · disambiguated record
Siu-Leong Iu
Also filed as: IU SIU L · IU SIU-LEONG
16 granted patents·1 pending application·1,728 citations·filing 1991–2006
96Inventor score
Files withMATSUSHITA ELECTRIC CORP8DIGITAL VIDEO EXPRESS LP6IU SIU-LEONG1MATSUSHITA ELECTRIC IND CORP O1
Top patents by PatentIndex Score
17 records- 0196US7162642B2Digital content distribution system and methodDIGITAL VIDEO EXPRESS LP·Filed 2001·Granted Jan 9, 2007·216 cites·31 claims
- 0296US6658059B1Motion field modeling and estimation using motion transformDIGITAL VIDEO EXPRESS LP·Filed 2000·Granted Dec 2, 2003·114 cites·38 claims
- 0396US5442407AVideo signal noise reduction system using time-varying filter coefficientsMATSUSHITA ELECTRIC CORP·Filed 1994·Granted Aug 15, 1995·182 cites·13 claims
- 0495US7698570B2Digital content distribution system and methodDIGITAL VIDEO EXPRESS LP·Filed 2006·Granted Apr 13, 2010·35 cites·20 claims
- 0595US6285774B1System and methodology for tracing to a source of unauthorized copying of prerecorded proprietary material, such as moviesDIGITAL VIDEO EXPRESS LP·Filed 1998·Granted Sep 4, 2001·364 cites·39 claims
- 0695US5293229AApparatus and method for processing groups of fields in a video data compression systemMATSUSHITA ELECTRIC CORP·Filed 1992·Granted Mar 8, 1994·150 cites·12 claims
- 0794US6901514B1Secure oblivious watermarking using key-dependent mapping functionsDIGITAL VIDEO EXPRESS LP·Filed 2000·Granted May 31, 2005·98 cites·23 claims
- 0893US5294974AHigh-definition video encoding system having color-sensitive quantizationMATSUSHITA ELECTRIC CORP·Filed 1992·Granted Mar 15, 1994·160 cites·11 claims
- 0990US6628715B1Method and apparatus for estimating optical flowDIGITAL VIDEO EXPRESS LP·Filed 2000·Granted Sep 30, 2003·46 cites·21 claims
- 1090USRE36507EApparatus and method for processing groups of fields in a video data compression system to encode a single frame as an I-field and a P-fieldMATSUSHITA ELECTRIC CORP·Filed 1997·Granted Jan 18, 2000·112 cites·1 claims
- 1188US5361105ANoise reduction system using multi-frame motion estimation, outlier rejection and trajectory correctionMATSUSHITA ELECTRIC CORP·Filed 1993·Granted Nov 1, 1994·93 cites·18 claims
- 1277US5251028AApparatus for reducing quantization artifacts in an interframe hybrid coding system with motion compensationMATSUSHITA ELECTRIC CORP·Filed 1991·Granted Oct 5, 1993·42 cites·19 claims
- 1373USRE36015EApparatus and method for processing groups of fields in a video data compression systemMATSUSHITA ELECTRIC CORP·Filed 1995·Granted Dec 29, 1998·35 cites·14 claims
- 1467US5471252AMethod and apparatus for estimating motion vector fields by rejecting local outliersMATSUSHITA ELECTRIC IND CORP O·Filed 1993·Granted Nov 28, 1995·41 cites·18 claims
- 1552US8538886B1Watermarking system and methodology for digital multimedia contentIU SIU-LEONG·Filed 1999·Granted Sep 17, 2013·27 cites·28 claims
- 1652US5418617AMotion compensation using minimum bits per motion block as criterion for block matchingMATSUSHITA ELECTRIC CORP·Filed 1991·Granted May 23, 1995·13 cites·11 claims
- 1740US2002067914A1Content packet distribution systemFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →