Secondly, several prediction modes, such as frame/field prediction and the adaptivechosen of frame/field DCT transform to increase the efficiency of encoder arediscussed.

• 其次，仔细分析讨论了各种预测方法例如帧/场预测，和帧/场DCT变换怎样自适应的选择，以更进一步的提高编码器的效率。