"Standards"

Compression Priors Assisted Convolutional Neural Network for Fractional Interpolation

Fractional interpolation has been extensively utilized in a series of video coding standards to generate fractional precision prediction to remove the temporal redundancy in consecutive frames. In the traditional interpolation filter based methods, …

Rate control model for high dynamic range video

This paper describes a luminance based rate control (RC) model for high dynamic range (HDR) video. A novel mathematical relationship between luminance and bit allocation of a coding tree unit (CTU) is presented. By adjusting the existing RC algorithm …

Machine learning based VP9-to-HEVC video transcoding

As more and more coding standards are developed for videos with higher resolution and higher frame rates, the conversion between them is in demand. This paper focuses on the development of fast VP9-to-HEVC transcoding algorithm. Since the …

Fast depth decision with enlarged coding block sizes for HEVC intra coding of 4K ultra-HD video

High Efficiency Video Coding (HEVC), the latest video coding standard, achieves significantly better compression performance than the previous coding standards, especially for high resolution (2K, 4K, etc.) video coding. Intra frame coding adopts a …

Lossy and lossless intra coding performance evaluation: HEVC, H.264/AVC, JPEG 2000 and JPEG LS

High Efficiency Video Coding (HEVC), the latest international standard of video coding under development, has shown a major breakthrough with regards to compression efficiency. But most of the currently published studies were intended to evaluate the …

New bounds on image denoising: Viewpoint of sparse representation and non-local averaging

Image denoising plays a fundamental role in many image processing applications. Utilizing sparse representation and nonlocal averaging together is such a successful framework that leads to considerable progress in denoising. Almost all the newly …

Improving Lossless Intra Coding of H.264/AVC by Pixel-Wise Spatial Interleave Prediction

H.264/AVC adopts many directional spatial prediction models in block-based manner that neighboring pixels on the left and top sides yield prediction for the pixels in a data block to be encoded. However, such models may adapt poorly to the rich …