activity
20202024
most citedCheckerboard Context Model for Efficient Learned Image Compression

16 citations · 43 across the 14 of their papers we have counts for

collaborators

14 papers

eess.IV2024

Idempotence and Perceptual Image Compression

Tongda Xu, Ziran Zhu, Dailan He +8

Idempotence is the stability of image codec to re-compression. At the first glance, it is unrelated to perceptual image compression. However, we find that theoretically: 1) Conditi…

cs.LG2023★ 1 cited

GeneFormer: Learned Gene Compression using Transformer-based Context Modeling

Zhanbei Cui, Yu Liao, Tongda Xu +1

With the development of gene sequencing technology, an explosive growth of gene data has been witnessed. And the storage of gene data has become an important issue. Traditional gen…

cs.CV2022★ 1 cited

ECM-OPCC: Efficient Context Model for Octree-based Point Cloud Compression

Yiqi Jin, Ziyu Zhu, Tongda Xu +2

Recently, deep learning methods have shown promising results in point cloud compression. For octree-based point cloud compression, previous works show that the information of ances…

cs.CV2022

Correcting the Sub-optimal Bit Allocation

Tongda Xu, Han Gao, Yuanyuan Wang +4

In this paper, we investigate the problem of bit allocation in Neural Video Compression (NVC). First, we reveal that a recent bit allocation approach claimed to be optimal is, in f…

cs.CV2022

Spatial Moment Pooling Improves Neural Image Assessment

Tongda Xu, Yifan Shao, Yan Wang +1

In recent years, there has been widespread attention drawn to convolutional neural network (CNN) based blind image quality assessment (IQA). A large number of works start by extrac…

cs.CV2022

Multi-Sample Training for Neural Image Compression

Tongda Xu, Yan Wang, Dailan He +4

This paper considers the problem of lossy neural image compression (NIC). Current state-of-the-art (sota) methods adopt uniform posterior to approximate quantization noise, and sin…

eess.IV2022★ 5 cited

Flexible Neural Image Compression via Code Editing

Chenjian Gao, Tongda Xu, Dailan He +2

Neural image compression (NIC) has outperformed traditional image codecs in rate-distortion (R-D) performance. However, it usually requires a dedicated encoder-decoder pair for eac…

cs.CV2022★ 1 cited

Bit Allocation using Optimization

Tongda Xu, Han Gao, Chenjian Gao +10

In this paper, we consider the problem of bit allocation in Neural Video Compression (NVC). First, we reveal a fundamental relationship between bit allocation in NVC and Semi-Amort…

eess.IV2022

Evaluating the Practicality of Learned Image Compression

Hongjiu Yu, Qiancheng Sun, Jin Hu +9

Learned image compression has achieved extraordinary rate-distortion performance in PSNR and MS-SSIM compared to traditional methods. However, it suffers from intensive computation…

eess.IV2022

PO-ELIC: Perception-Oriented Efficient Learned Image Coding

Dailan He, Ziming Yang, Hongjiu Yu +7

In the past years, learned image compression (LIC) has achieved remarkable performance. The recent LIC methods outperform VVC in both PSNR and MS-SSIM. However, the low bit-rate re…

cs.CV2022

Edge-enhanced Feature Distillation Network for Efficient Super-Resolution

Yan Wang

With the recently massive development in convolution neural networks, numerous lightweight CNN-based image super-resolution methods have been proposed for practical deployments on…

cs.CV2021★ 3 cited

HLIC: Harmonizing Optimization Metrics in Learned Image Compression by Reinforcement Learning

Baocheng Sun, Meng Gu, Dailan He +3

Learned image compression is making good progress in recent years. Peak signal-to-noise ratio (PSNR) and multi-scale structural similarity (MS-SSIM) are the two most popular evalua…

eess.IV2021★ 16 cited

Checkerboard Context Model for Efficient Learned Image Compression

Dailan He, Yaoyan Zheng, Baocheng Sun +2

For learned image compression, the autoregressive context model is proved effective in improving the rate-distortion (RD) performance. Because it helps remove spatial redundancies…

cs.CV2020★ 16 cited

Cross-dataset Training for Class Increasing Object Detection

Yongqiang Yao, Yan Wang, Yu Guo +3

We present a conceptually simple, flexible and general framework for cross-dataset training in object detection. Given two or more already labeled datasets that target for differen…