This paper presents a method to quantificationally measure expressions of virtual person by using MPEG4 standard and muscle-based facial model.

描述了一种结合MPEG4标准和人脸肌肉模型对人类表情进行归一化定量描述的方法。

youdao

Additionally, the TL34HD utilizes H.264 compression, a codec for high definition video that has become an industry standard and which yields three times the recording length than of MPEG4.

ENGADGET: Samsung gets official with 14.7MP TL34HD point-and-shoot