Lowe Hauptman & Ham, LLP
Method and an apparatus for inter prediction decoding with selective use of inverse quantization and inverse transform
Disclosed is a method for decoding a video using an inter prediction. The method identifies one or more conditions for enabling an inverse quantization and an inverse transform, and selectively performs, based on the identified conditions, at least one of: skipping both of the inverse quantization and the inverse transform for the obtained residual data; inversely quantizing the obtained residual data and skipping the inverse transform for the inversely quantized residual data; and inversely quantizing and then inversely transforming the obtained residual data.
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Hayoon Jungyoup Byeungwoo Haekwang Kwanghyun Joohee Yunglyul
Kim Yang Jeon Kim Won Moon Lee