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Related papers: In-Loop Filtering via Trained Look-Up Tables

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Video compression is a basic requirement for consumer and professional video applications alike. Video coding standards such as H.264/AVC and H.265/HEVC are widely deployed in the market to enable efficient use of bandwidth and storage for…

Image and Video Processing · Electrical Eng. & Systems 2021-04-28 Zhao Wang , Changyue Ma , Yan Ye

Unrolling a decoding algorithm allows to achieve extremely high throughput at the cost of increased area. Look-up tables (LUTs) can be used to replace functions otherwise implemented as circuits. In this work, we show the impact of…

Information Theory · Computer Science 2024-09-04 Pascal Giard , Syed Aizaz Ali Shah , Alexios Balatsoukas-Stimming , Maximilian Stark , Gerhard Bauch

Motion compensation is a fundamental technology in video coding to remove the temporal redundancy between video frames. To further improve the coding efficiency, sub-pel motion compensation has been utilized, which requires interpolation of…

Multimedia · Computer Science 2018-03-30 Ning Yan , Dong Liu , Houqiang Li , Feng Wu

Large language models (LLMs) are increasingly deployed on edge devices. To meet strict resource constraints, real-world deployment has pushed LLM quantization from 8-bit to 4-bit, 2-bit, and now 1.58-bit. Combined with lookup table…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-04-15 Xiangyu Li , Chengyu Yin , Weijun Wang , Jianyu Wei , Ting Cao , Yunxin Liu

High efficiency video coding (HEVC) has brought outperforming efficiency for video compression. To reduce the compression artifacts of HEVC, we propose a DenseNet based approach as the in-loop filter of HEVC, which leverages multiple…

Computer Vision and Pattern Recognition · Computer Science 2019-10-02 Tianyi Li , Mai Xu , Ren Yang , Xiaoming Tao

Deep learning has demonstrated tremendous break through in the area of image/video processing. In this paper, a spatial-temporal residue network (STResNet) based in-loop filter is proposed to suppress visual artifacts such as blocking,…

Multimedia · Computer Science 2018-04-09 Chuanmin Jia , Shiqi Wang , Xinfeng Zhang , Shanshe Wang , Siwei Ma

In this paper, we introduce a new approach for high-quality multi-exposure image fusion (MEF). We show that the fusion weights of an exposure can be encoded into a 1D lookup table (LUT), which takes pixel intensity value as input and…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Ting Jiang , Chuan Wang , Xinpeng Li , Ru Li , Haoqiang Fan , Shuaicheng Liu

On-device Deep Neural Network (DNN) inference consumes significant computing resources and development efforts. To alleviate that, we propose LUT-NN, the first system to empower inference by table lookup, to reduce inference cost. LUT-NN…

Machine Learning · Computer Science 2023-09-07 Xiaohu Tang , Yang Wang , Ting Cao , Li Lyna Zhang , Qi Chen , Deng Cai , Yunxin Liu , Mao Yang

Look-Up Table based methods have emerged as a promising direction for efficient image restoration tasks. Recent LUT-based methods focus on improving their performance by expanding the receptive field. However, they inevitably introduce…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Xiaolong Zeng , Yitong Yu , Shiyao Xiong , Jinhua Hao , Ming Sun , Chao Zhou , Bin Wang

Lookup-table (LUT) based neural networks can deliver ultra-low latency and excellent hardware efficiency on FPGAs by mapping arithmetic operations directly onto the logic primitives. However, state-of-the-art LUT-aware training (LAT)…

Hardware Architecture · Computer Science 2026-04-27 Chang Sun , Zhiqiang Que , Bakhtiar Zadeh , Qibin Liu , Kevin H. Alvarez , Wayne Luk , Maria Spiropulu

We propose MFT -- Multi-Flow dense Tracker -- a novel method for dense, pixel-level, long-term tracking. The approach exploits optical flows estimated not only between consecutive frames, but also for pairs of frames at logarithmically…

Computer Vision and Pattern Recognition · Computer Science 2023-11-13 Michal Neoral , Jonáš Šerých , Jiří Matas

This paper presents a novel approach for performing computations using Look-Up Tables (LUTs) tailored specifically for Compute-in-Memory applications. The aim is to address the scalability challenges associated with LUT-based computation by…

Hardware Architecture · Computer Science 2023-11-20 Peyman Dehghanzadeh , Baibhab Chatterjee , Swarup Bhunia

Imitation Learning (IL) has emerged as a powerful approach in robotics, allowing robots to acquire new skills by mimicking human actions. Despite its potential, the data collection process for IL remains a significant challenge due to the…

Robotics · Computer Science 2025-05-23 Hamidreza Kasaei , Mohammadreza Kasaei

Operating deep neural networks on devices with limited resources requires the reduction of their memory footprints and computational requirements. In this paper we introduce a training method, called look-up table quantization, LUT-Q, which…

Low-light image enhancement (LIE) aims at precisely and efficiently recovering an image degraded in poor illumination environments. Recent advanced LIE techniques are using deep neural networks, which require lots of low-normal light image…

Computer Vision and Pattern Recognition · Computer Science 2024-09-30 Yunlong Lin , Zhenqi Fu , Kairun Wen , Tian Ye , Sixiang Chen , Ge Meng , Yingying Wang , Yue Huang , Xiaotong Tu , Xinghao Ding

Recent years have witnessed the increasing popularity of learning based methods to enhance the color and tone of photos. However, many existing photo enhancement methods either deliver unsatisfactory results or consume too much…

Image and Video Processing · Electrical Eng. & Systems 2020-10-01 Hui Zeng , Jianrui Cai , Lida Li , Zisheng Cao , Lei Zhang

Image enhancement aims at improving the aesthetic visual quality of photos by retouching the color and tone, and is an essential technology for professional digital photography. Recent years deep learning-based image enhancement algorithms…

Image and Video Processing · Electrical Eng. & Systems 2022-09-07 Chengxu Liu , Huan Yang , Jianlong Fu , Xueming Qian

Classical video coding for satisfying humans as the final user is a widely investigated field of studies for visual content, and common video codecs are all optimized for the human visual system (HVS). But are the assumptions and…

Image and Video Processing · Electrical Eng. & Systems 2022-03-14 Kristian Fischer , Christian Herglotz , André Kaup

Different from color correction and transfer, color grading involves adjusting colors for artistic or storytelling purposes in a video, which is used to establish a specific look or mood. However, due to the complexity of the process and…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Seunghyun Shin , Dongmin Shin , Jisu Shin , Hae-Gon Jeon , Joon-Young Lee

The training process of deep neural networks (DNNs) is usually pipelined with stages for data preparation on CPUs followed by gradient computation on accelerators like GPUs. In an ideal pipeline, the end-to-end training throughput is…

Computer Vision and Pattern Recognition · Computer Science 2022-08-19 Jonghyun Bae , Woohyeon Baek , Tae Jun Ham , Jae W. Lee