Search Results for author: Yichen Qian

Found 4 papers, 1 papers with code

Interpolation variable rate image compression

no code implementations20 Sep 2021 Zhenhong Sun, Zhiyu Tan, Xiuyu Sun, Fangyi Zhang, Yichen Qian, Dongyang Li, Hao Li

Compression standards have been used to reduce the cost of image storage and transmission for decades.

Image Compression MS-SSIM +1

Spatiotemporal Entropy Model is All You Need for Learned Video Compression

no code implementations13 Apr 2021 Zhenhong Sun, Zhiyu Tan, Xiuyu Sun, Fangyi Zhang, Dongyang Li, Yichen Qian, Hao Li

The framework of dominant learned video compression methods is usually composed of motion prediction modules as well as motion vector and residual image compression modules, suffering from its complex structure and error propagation problem.

Image Compression motion prediction +3

Learning Accurate Entropy Model with Global Reference for Image Compression

no code implementations ICLR 2021 Yichen Qian, Zhiyu Tan, Xiuyu Sun, Ming Lin, Dongyang Li, Zhenhong Sun, Hao Li, Rong Jin

In this work, we propose a novel Global Reference Model for image compression to effectively leverage both the local and the global context information, leading to an enhanced compression rate.

Image Compression

Unsupervised Face Normalization With Extreme Pose and Expression in the Wild

1 code implementation CVPR 2019 Yichen Qian, Weihong Deng, Jiani Hu

Face normalization provides an effective and cheap way to distil face identity and dispel face variances for recognition.

Face Generation Face Recognition

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