Hauptman Ham, LLP
Method and an apparatus for decoding a video
A video decoding method using an inter prediction, includes: obtaining a differential motion vector and residual data from encoded data; determining a predicted motion vector; generating a predicted block by performing the inter prediction based on the differential motion vector and the predicted motion vector; identifying one or more conditions for enabling an inverse quantization and an inverse transform; skipping both of the inverse quantization and the inverse transform for the obtained residual data to thereby reconstruct a residual block directly from the obtained residual data, when the one or more identified conditions indicate skipping of both the inverse quantization and the inverse transform; and inversely quantizing the obtained residual data and skipping the inverse transform for the inversely quantized residual data to thereby reconstruct a residual block using the inverse-quantized residual data, when the one or more identified conditions indicate skipping of the inverse transform.
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Jungyoup Yunglyul Hayoon Byeungwoo Kwanghyun Haekwang Joohee
Yang Lee Kim Jeon Won Kim Moon