Search Results for author: Jixiang Luo

Found 10 papers, 3 papers with code

Compressible and Searchable: AI-native Multi-Modal Retrieval System with Learned Image Compression

no code implementations16 Apr 2024 Jixiang Luo

The burgeoning volume of digital content across diverse modalities necessitates efficient storage and retrieval methods.

Image Compression Retrieval

Task-Aware Encoder Control for Deep Video Compression

no code implementations7 Apr 2024 Xingtong Ge, Jixiang Luo, Xinjie Zhang, Tongda Xu, Guo Lu, Dailan He, Jing Geng, Yan Wang, Jun Zhang, Hongwei Qin

Prior research on deep video compression (DVC) for machine tasks typically necessitates training a unique codec for each specific task, mandating a dedicated decoder per task.

Video Compression

Super-High-Fidelity Image Compression via Hierarchical-ROI and Adaptive Quantization

no code implementations19 Mar 2024 Jixiang Luo, Yan Wang, Hongwei Qin

MSE-based models aim to improve objective metrics while generative models are leveraged to improve visual quality measured by subjective metrics.

Image Compression Quantization

Unified learning-based lossy and lossless JPEG recompression

no code implementations5 Dec 2023 Jianghui Zhang, Yuanyuan Wang, Lina Guo, Jixiang Luo, Tongda Xu, Yan Wang, Zhi Wang, Hongwei Qin

Most image compression algorithms only consider uncompressed original image, while ignoring a large number of already existing JPEG images.

Image Compression Quantization

Efficient Learned Lossless JPEG Recompression

no code implementations25 Aug 2023 Lina Guo, Yuanyuan Wang, Tongda Xu, Jixiang Luo, Dailan He, Zhenjun Ji, Shanshan Wang, Yang Wang, Hongwei Qin

Second, we propose pipeline parallel context model (PPCM) and compressed checkerboard context model (CCCM) for the effective conditional modeling and efficient decoding within luma and chroma components.

Image Compression Quantization

Learned Lossless Compression for JPEG via Frequency-Domain Prediction

no code implementations5 Mar 2023 Jixiang Luo, Shaohui Li, Wenrui Dai, Chenglin Li, Junni Zou, Hongkai Xiong

In this paper, we propose a novel framework for learned lossless compression of JPEG images that achieves end-to-end optimized prediction of the distribution of decoded DCT coefficients.

GCN-MIF: Graph Convolutional Network with Multi-Information Fusion for Low-dose CT Denoising

3 code implementations15 May 2021 Kecheng Chen, Jiayu Sun, Jiang Shen, Jixiang Luo, Xinyu Zhang, Xuelin Pan, Dongsheng Wu, Yue Zhao, Miguel Bento, Yazhou Ren, Xiaorong Pu

To address this issue, we propose a novel graph convolutional network-based LDCT denoising model, namely GCN-MIF, to explicitly perform multi-information fusion for denoising purpose.

Denoising

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