Approach of MPEG-4 video based on DCTQ module

According to the analysis of the module of DCTQ in MPEG-4 video,this paper presents an approach of MPEG-4 encoder based on DCT.We can combine motion estimation and transform coding completely in the transform domain without the need to convert the DCT coefficients back to the spatial domain for motion estimation and compensation.So the approach can reduce the complexity of the encoder computation,meet the real-time need.