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State-of-the-art deep neural networks are trained with large amounts (millions or even billions) of data. The expensive computation and memory costs make it difficult to train them on limited hardware resources, especially for recent…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Daquan Zhou , Kai Wang , Jianyang Gu , Xiangyu Peng , Dongze Lian , Yifan Zhang , Yang You , Jiashi Feng

In resource-constrained environments, one can employ spatial multiplexing cameras to acquire a small number of measurements of a scene, and perform effective reconstruction or high-level inference using purely data-driven neural networks.…

计算机视觉与模式识别 · 计算机科学 2018-09-11 Suhas Lohit , Rajhans Singh , Kuldeep Kulkarni , Pavan Turaga

Linear block transform coding remains a fundamental component of image and video compression. Although the Discrete Cosine Transform (DCT) is widely employed in all current compression standards, its sub-optimality has sparked ongoing…

图像与视频处理 · 电气工程与系统科学 2024-11-28 Alessandro Gnutti , Chia-Hao Kao , Wen-Hsiao Peng , Riccardo Leonardi

Low-rank adaptation (LoRA) has become the dominant method for parameter-efficient LLM fine-tuning, with LoRA-based quantization error compensation (LQEC) emerging as a powerful tool for recovering accuracy in compressed LLMs. However, LQEC…

机器学习 · 计算机科学 2025-03-31 Geonho Lee , Janghwan Lee , Sukjin Hong , Minsoo Kim , Euijai Ahn , Du-Seong Chang , Jungwook Choi

Recently it has been shown that deep learning-based image compression has shown the potential to outperform traditional codecs. However, most existing methods train multiple networks for multiple bit rates, which increases the…

图像与视频处理 · 电气工程与系统科学 2019-12-13 Mohammad Akbari , Jie Liang , Jingning Han , Chengjie Tu

This paper introduces a post-training quantization~(PTQ) method achieving highly efficient Convolutional Neural Network~ (CNN) quantization with high performance. Previous PTQ methods usually reduce compression error via performing…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Chen Lin , Zheyang Li , Bo Peng , Haoji Hu , Wenming Tan , Ye Ren , Shiliang Pu

Implicit neural representation (INR), particularly in combination with hash encoding, has recently emerged as a promising approach for computed tomography (CT) image reconstruction. However, directly applying INR techniques to 3D dental…

图像与视频处理 · 电气工程与系统科学 2025-06-17 Hyoung Suk Park , Kiwan Jeon

Recent convolutional neural network (CNN) development continues to advance the state-of-the-art model accuracy for various applications. However, the enhanced accuracy comes at the cost of substantial memory bandwidth and storage…

计算机视觉与模式识别 · 计算机科学 2021-07-20 Hsu-Hsun Chin , Ren-Song Tsay , Hsin-I Wu

The growing prevalence of high-resolution displays on edge devices has created a pressing need for efficient high dynamic range (HDR) imaging algorithms. However, most existing HDR methods either struggle to deliver satisfactory visual…

图像与视频处理 · 电气工程与系统科学 2026-02-11 Qirui Yang , Yihao Liu , Qihua Cheng , Huanjing Yue , Kun Li , Jingyu Yang

Model quantization is challenging due to many tedious hyper-parameters such as precision (bitwidth), dynamic range (minimum and maximum discrete values) and stepsize (interval between discrete values). Unlike prior arts that carefully tune…

机器学习 · 计算机科学 2021-07-08 Zhang Zhaoyang , Shao Wenqi , Gu Jinwei , Wang Xiaogang , Luo Ping

Three-dimensional (3D) point clouds are becoming more and more popular for representing 3D objects and scenes. Due to limited network bandwidth, efficient compression of 3D point clouds is crucial. To tackle this challenge, the Moving…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Zehan Wang , Yuxuan Wei , Hui Yuan , Wei Zhang , Peng Li

Visual Autoregressive (VAR) models have recently demonstrated impressive image generation quality while maintaining low latency. However, they suffer from severe KV-cache memory constraints, often requiring gigabytes of memory per generated…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Jonathan Cederlund , Axel Berg , Durmus Alp Emre Acar , Chuteng Zhou , Pontus Giselsson

Reducing the bit-depth is an effective approach to lower the cost of optical coherence tomography (OCT) systems and increase the transmission efficiency in data acquisition and telemedicine. However, a low bit-depth will lead to the…

图像与视频处理 · 电气工程与系统科学 2021-02-03 Qiangjiang Hao , Kang Zhou , Jianlong Yang , Liyang Fang , Zhengjie Chai , Yuhui Ma , Yan Hu , Shenghua Gao , Jiang Liu

Video compression plays a crucial role in video streaming and classification systems by maximizing the end-user quality of experience (QoE) at a given bandwidth budget. In this paper, we conduct the first systematic study for adversarial…

计算机视觉与模式识别 · 计算机科学 2022-12-09 Jung-Woo Chang , Mojan Javaheripi , Seira Hidano , Farinaz Koushanfar

JCT-VC HEVC HM 16 includes a Coding Unit (CU) level adaptive Quantization Parameter (QP) technique named AdaptiveQP. It is designed to perceptually adjust the QP in Y, Cb and Cr Coding Blocks (CBs) based only on the variance of samples in a…

多媒体 · 计算机科学 2020-05-19 Lee Prangnell

The application of the context-adaptive entropy model significantly improves the rate-distortion (R-D) performance, in which hyperpriors and autoregressive models are jointly utilized to effectively capture the spatial redundancy of the…

图像与视频处理 · 电气工程与系统科学 2022-09-09 Haisheng Fu , Feng Liang

A major challenge for high dynamic range (HDR) image reconstruction from multi-exposed low dynamic range (LDR) images, especially with dynamic scenes, is the extraction and merging of relevant contextual features in order to suppress any…

图像与视频处理 · 电气工程与系统科学 2022-11-09 Lingkai Zhu , Fei Zhou , Bozhi Liu , Orcun Göksel

Low-bit quantization of network weights and activations can drastically reduce the memory footprint, complexity, energy consumption and latency of Deep Neural Networks (DNNs). However, low-bit quantization can also cause a considerable drop…

计算机视觉与模式识别 · 计算机科学 2021-03-25 Ghouthi Boukli Hacene , Lukas Mauch , Stefan Uhlich , Fabien Cardinaux

Speed-of-sound is a biomechanical property for quantitative tissue differentiation, with great potential as a new ultrasound-based image modality. A conventional ultrasound array transducer can be used together with an acoustic mirror, or…

计算机视觉与模式识别 · 计算机科学 2018-07-20 Valery Vishnevskiy , Sergio J Sanabria , Orcun Goksel

This paper presents how we can achieve the state-of-the-art accuracy in multi-category object detection task while minimizing the computational cost by adapting and combining recent technical innovations. Following the common pipeline of…

计算机视觉与模式识别 · 计算机科学 2016-10-03 Kye-Hyeon Kim , Sanghoon Hong , Byungseok Roh , Yeongjae Cheon , Minje Park