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相关论文: TACTIC: Joint Rate-Distortion-Accuracy Optimisatio…

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Learned image compression methods generally optimize a rate-distortion loss, trading off improvements in visual distortion for added bitrate. Increasingly, however, compressed imagery is used as an input to deep learning networks for…

图像与视频处理 · 电气工程与系统科学 2022-02-02 Maxime Kawawa-Beaudan , Ryan Roggenkemper , Avideh Zakhor

By extracting task-relevant information while maximally compressing the input, the information bottleneck (IB) principle has provided a guideline for learning effective and robust representations of the target inference. However, extending…

信息论 · 计算机科学 2025-01-22 Yuhan Wang , Youlong Wu , Shuai Ma , Ying-Jun Angela Zhang

Task-oriented image semantic communication is a new communication paradigm, which aims to transmit semantics for artificial intelligent (AI) tasks while ignoring the reconstruction quality of the images. However, in some applications, such…

信息论 · 计算机科学 2022-12-05 Fangfang Liu , Wanjie Tong , Yang Yang , Zhengfen Sun , Caili Guo

We identify an issue in multi-task learnable compression, in which a representation learned for one task does not positively contribute to the rate-distortion performance of a different task as much as expected, given the estimated amount…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Anderson de Andrade , Ivan Bajić

Task-agnostic prompt compression leverages the redundancy in natural language to reduce computational overhead and enhance information density within prompts, especially in long-context scenarios. Existing methods predominantly rely on…

计算与语言 · 计算机科学 2025-07-17 Yi Zhao , Zuchao Li , Hai Zhao , Baoyuan Qi , Guoming Liu

Conventional image compression methods typically aim at pixel-level consistency while ignoring the performance of downstream AI tasks.To solve this problem, this paper proposes a Semantic-Assisted Image Compression method (SAIC), which can…

计算机视觉与模式识别 · 计算机科学 2022-02-01 Qizheng Sun , Caili Guo , Yang Yang , Jiujiu Chen , Xijun Xue

Most data is automatically collected and only ever "seen" by algorithms. Yet, data compressors preserve perceptual fidelity rather than just the information needed by algorithms performing downstream tasks. In this paper, we characterize…

机器学习 · 计算机科学 2022-01-31 Yann Dubois , Benjamin Bloem-Reddy , Karen Ullrich , Chris J. Maddison

We propose a versatile deep image compression network based on Spatial Feature Transform (SFT arXiv:1804.02815), which takes a source image and a corresponding quality map as inputs and produce a compressed image with variable rates. Our…

图像与视频处理 · 电气工程与系统科学 2021-08-24 Myungseo Song , Jinyoung Choi , Bohyung Han

As Vision Transformers (ViTs) increasingly set new benchmarks in computer vision, their practical deployment on inference engines is often hindered by their significant memory bandwidth and (on-chip) memory footprint requirements. This…

计算机视觉与模式识别 · 计算机科学 2024-02-12 Seyedarmin Azizi , Mahdi Nazemi , Massoud Pedram

Recently, the field of Image Coding for Machines (ICM) has garnered heightened interest and significant advances thanks to the rapid progress of learning-based techniques for image compression and analysis. Previous studies often require…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Jinming Liu , Ruoyu Feng , Yunpeng Qi , Qiuyu Chen , Zhibo Chen , Wenjun Zeng , Xin Jin

Today's scientific simulations require significant data volume reduction because of the enormous amounts of data produced and the limited I/O bandwidth and storage space. Error-bounded lossy compression has been considered one of the most…

分布式、并行与集群计算 · 计算机科学 2023-12-07 Daoce Wang , Jesus Pulido , Pascal Grosset , Sian Jin , Jiannan Tian , Kai Zhao , James Ahrens , Dingwen Tao

Various applications for inter-machine communications are on the rise. Whether it is for autonomous driving vehicles or the internet of everything, machines are more connected than ever to improve their performance in fulfilling a given…

信息论 · 计算机科学 2023-01-05 Arsham Mostaani , Thang X. Vu , Symeon Chatzinotas , Björn Ottersten

With the evolution of storage and communication protocols, ultra-low bitrate image compression has become a highly demanding topic. However, existing compression algorithms must sacrifice either consistency with the ground truth or…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Chunyi Li , Guo Lu , Donghui Feng , Haoning Wu , Zicheng Zhang , Xiaohong Liu , Guangtao Zhai , Weisi Lin , Wenjun Zhang

Long-context models are essential for many applications but face inefficiencies in loading large KV caches during decoding. Prior methods enforce fixed token budgets for sparse attention, assuming a set number of tokens can approximate full…

机器学习 · 计算机科学 2025-02-19 Kan Zhu , Tian Tang , Qinyu Xu , Yile Gu , Zhichen Zeng , Rohan Kadekodi , Liangyu Zhao , Ang Li , Arvind Krishnamurthy , Baris Kasikci

We extensively study how to combine Generative Adversarial Networks and learned compression to obtain a state-of-the-art generative lossy compression system. In particular, we investigate normalization layers, generator and discriminator…

图像与视频处理 · 电气工程与系统科学 2020-10-26 Fabian Mentzer , George Toderici , Michael Tschannen , Eirikur Agustsson

Camera sensors have been widely used in intelligent robotic systems. Developing camera sensors with high sensing efficiency has always been important to reduce the power, memory, and other related resources. Inspired by recent success on…

图像与视频处理 · 电气工程与系统科学 2023-10-11 Bowen Zhang , Zhijin Qin , Geoffrey Ye Li

Despite the unprecedented compression efficiency achieved by deep learned image compression (LIC), existing methods usually approximate the desired bitrate by adjusting a single quality factor for a given input image, which may compromise…

图像与视频处理 · 电气工程与系统科学 2024-09-04 Muchen Dong , Ming Lu , Zhan Ma

This paper contributes a novel learning-based method for aggressive task-driven compression of depth images and their encoding as images tailored to collision prediction for robotic systems. A novel 3D image processing methodology is…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Mihir Kulkarni , Kostas Alexis

Semantic communication is recognized for its high compression efficiency and robust resistance to noise. However, utilizing a fixed transmission rate in environments with dynamic signal-to-noise ratios (SNR) often results in inefficient use…

信号处理 · 电气工程与系统科学 2025-04-30 Zhiye Sun , Shuai Ma , Shiyin Li

By optimizing the rate-distortion-realism trade-off, generative image compression approaches produce detailed, realistic images instead of the only sharp-looking reconstructions produced by rate-distortion-optimized models. In this paper,…

计算机视觉与模式识别 · 计算机科学 2025-03-17 Lingyu Zhu , Xiangrui Zeng , Bolin Chen , Peilin Chen , Yung-Hui Li , Shiqi Wang
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