1

Learning a No Reference Quality Assessment Metric for Encoded 4K-UHD Video

4K-UHD videos have become popular since they significantly improve user’s visual experience. As video coding, transmission and enhancement technology developing fast, existing quality assessing metrics are not suitable for 4K-UHD scenario because of …

Personalized and Invertible Face De-Identification by Disentangled Identity Information Manipulation

The popularization of intelligent devices including smartphones and surveillance cameras results in more serious privacy issues. De-identification is regarded as an effective tool for visual privacy protection with the process of concealing or …

Region-Aware Adaptive Instance Normalization for Image Harmonization

A Hybrid Model for Natural Face De-Identiation with Adjustable Privacy

As more and more personal photos are shared and tagged in social media, security and privacy protection are becoming an unprecedentedly focus of attention. Avoiding privacy risks such as unintended verification, becomes increasingly challenging. To …

Deep Blind Video Quality Assessment for User Generated Videos

As short video industry grows up, quality assessment of user generated videos has become a hot issue. Existing no reference video quality assessment methods are not suitable for this type of application scenario since they are aimed at synthetic …

Quality of Experience Evaluation for Streaming Video Using CGNN

One of the principal contradictions these days in the field of video i s lying between the booming demand for evaluating the streaming video quality and the low precision of the Quality of Experience prediction results. In this paper, we propose …

A VMAF Directed Perceptual Rate Distortion Optimization for Video Coding

Video Multimethod Assessment Fusion (VMAF), as a state-of-the-art learning-based objective assessment metric, has been demonstrated to achieve a stronger correlation with human visual system than others. However, combining multiple metrics by Support …

Learning Based Estimation of Video Coding Distortion

Coding distortion is a critical factor in video coding algorithms such as rate distortion optimization, rate control and optimal quantization. Accurate distortion estimation without complex pre-coding has always been highly desired. Traditional …

Native Resolution Detection for 4K-UHD Videos

There are many resolution enhancement methods to produce 4K-UHD videos including interpolation and deep learning based Super-Resolution, but lack of details, aliasing and unnatural transition are still inevitable and affect viewer's immersive …

Realistic Talking Face Synthesis With Geometry-Aware Feature Transformation

Recent studies have shown remarkable success in synthesizing realistic talking faces by exploiting generative adversarial networks. However, existing methods are mostly target specific that cannot generate images of previously unseen people, and they …