본 논문에서는 4K UHD 입력 영상에 대해 각 프레임을 다중 슬라이스로 분할하고, 이를 병렬 처리를 통해 실시간으로 부호화를 수행하는 소프트웨어 기반 HEVC 인코더의 율 제어 방법에 관한 연구이다. 이를 위하여 HEVC 가 지원하는 슬라이스를 적용하여 프레임을 독립적인 다중 슬라이스로 분할하였고, 각각의 슬라이스에 대해서는 기존에 제안된 몇 가지의 율 제어 방법을 개선하여 적용하였다. 본 논문에서는 다중 슬라이스에 각각 독립적으로 적용한 율 제어 방법에 대한 실험 결과를 통해 제안된 율 제어 방법의 안정성을 확인하고, 향후 연구로서 각 슬라이스의 출력 비트율을 예측하고 다중 슬라이스에 효과적으로 할당하는 방법과 이를 통한 주관적 화질을 향상 하는 방법에 대해 논한다.
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