Weighted-adaptive motion-compensated frame rate up-conversion

被引:64
作者
Lee, SH [1 ]
Kwon, O
Park, RH
机构
[1] Samsung Elect Co Ltd, DTV R&D Grp, Visual Display Div, Digital Media Network Business, Suwon, South Korea
[2] Sogang Univ, Dept Elect Engn, Seoul, South Korea
关键词
frame rate up-conversion; motion estimation; motion-compensated interpolation; weighted-adaptive motion-compensated interpolation;
D O I
10.1109/TCE.2003.1233759
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this paper, we propose a frame rate upconversion algorithm using the weighted-adaptive motion-compensated interpolation (WAMCI) that reduces the block artifacts due to the failure of motion estimation and block-based processing. The proposed method is based on the interpolation scheme by weighted sum of multiple motion-compensated interpolation (MCI) images. Also, in the proposed method, the block artifacts on the block boundaries are reduced by applying a technique similar to the overlapped block motion compensation (OBMC). To reduce the blurring of overlapping processing, the proposed method uses the motion analysis to determine the type of motion and applies the OBMC adaptively. Experimental results indicate good performance of the proposed scheme with significantly reduced block artifacts.
引用
收藏
页码:485 / 492
页数:8
相关论文
共 18 条
[1]   MOTION COMPENSATING FIELD INTERPOLATION USING A HIERARCHICALLY STRUCTURED DISPLACEMENT ESTIMATOR [J].
BIERLING, M ;
THOMA, R .
SIGNAL PROCESSING, 1986, 11 (04) :387-404
[2]   Nonlinear vector error tolerant interpolation of intermediate video images by weighted medians [J].
Blume, H .
SIGNAL PROCESSING-IMAGE COMMUNICATION, 1999, 14 (10) :851-868
[3]   MOTION COMPENSATED IMAGE INTERPOLATION [J].
CAFFORIO, C ;
ROCCA, F ;
TUBARO, S .
IEEE TRANSACTIONS ON COMMUNICATIONS, 1990, 38 (02) :215-222
[4]   Frame-rate up-conversion using transmitted true motion vectors [J].
Chen, YK ;
Vetro, A ;
Sun, HF ;
Kung, SY .
1998 IEEE SECOND WORKSHOP ON MULTIMEDIA SIGNAL PROCESSING, 1998, :622-627
[5]  
CHEN YK, 1996, P IEEE INT C IM PROC, V2, P513
[6]  
Csillag P, 1997, INT CONF ACOUST SPEE, P2897, DOI 10.1109/ICASSP.1997.595395
[7]   True-Motion Estimation with 3-D Recursive Search Block Matching [J].
de Haan, Gerard ;
Biezen, Paul W. A. C. ;
Huijgen, Henk ;
Ojo, Olukayode A. .
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, 1993, 3 (05) :368-+
[8]   MOTION ESTIMATION TECHNIQUES FOR DIGITAL TV - A REVIEW AND A NEW CONTRIBUTION [J].
DUFAUX, F ;
MOSCHENI, F .
PROCEEDINGS OF THE IEEE, 1995, 83 (06) :858-876
[9]   Using motion-compensated frame-rate conversion for the correction of 3:2 pulldown artifacts in video sequences [J].
Hilman, K ;
Park, HW ;
Kim, Y .
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, 2000, 10 (06) :869-877
[10]   CUBIC CONVOLUTION INTERPOLATION FOR DIGITAL IMAGE-PROCESSING [J].
KEYS, RG .
IEEE TRANSACTIONS ON ACOUSTICS SPEECH AND SIGNAL PROCESSING, 1981, 29 (06) :1153-1160