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The sensitivity of deep neural networks to compressed images hinders their usage in many real applications, which means classification networks may fail just after taking a screenshot and saving it as a compressed file. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2023-04-24 Li Ma , Peixi Peng , Guangyao Chen , Yifan Zhao , Siwei Dong , Yonghong Tian

As vision based perception methods are usually built on the normal light assumption, there will be a serious safety issue when deploying them into low light environments. Recently, deep learning based methods have been proposed to enhance…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Junjie Hu , Xiyue Guo , Junfeng Chen , Guanqi Liang , Fuqin Deng , Tin lun Lam

With the increasing growth of technology and the entrance into the digital age, we have to handle a vast amount of information every time which often presents difficulties. So, the digital information must be stored and retrieved in an…

Multimedia · Computer Science 2012-08-15 Kamrul Hasan Talukder , Koichi Harada

Image classification has been a popular task due to its feasibility in real-world applications. Training neural networks by feeding them RGB images has demonstrated success over it. Nevertheless, improving the classification accuracy and…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Tianhao Bu , Michalis Lazarou , Tania Stathaki

We present a lightweight two-stage framework for low-light image enhancement (LLIE) that achieves competitive perceptual quality with significantly fewer parameters than existing methods. Our approach combines frozen algorithm-based…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Shimon Murai , Teppei Kurita , Ryuta Satoh , Yusuke Moriuchi

To enhance image compression performance, recent deep neural network-based research can be divided into three categories: a learnable codec, a postprocessing network, and a compact representation network. The learnable codec has been…

Image and Video Processing · Electrical Eng. & Systems 2021-12-21 Hanbin Son , Taeoh Kim , Hyeongmin Lee , Sangyoun Lee

Diffusion models have demonstrated remarkable success in image restoration tasks. However, their multi-step denoising process introduces significant computational overhead, limiting their practical deployment. Furthermore, existing methods…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Jinpei Guo , Zheng Chen , Wenbo Li , Yong Guo , Yulun Zhang

For lossy image compression, we develop a neural-based system which learns a nonlinear estimator for decoding from quantized representations. The system links two recurrent networks that \help" each other reconstruct same target image…

Computer Vision and Pattern Recognition · Computer Science 2019-11-21 Ankur Mali , Alexander G. Ororbia , Clyde Lee Giles

Adder Neural Network (AdderNet) provides a new way for developing energy-efficient neural networks by replacing the expensive multiplications in convolution with cheaper additions (i.e.l1-norm). To achieve higher hardware efficiency, it is…

Computer Vision and Pattern Recognition · Computer Science 2022-12-21 Ying Nie , Kai Han , Haikang Diao , Chuanjian Liu , Enhua Wu , Yunhe Wang

JPEG is a widely used compression scheme to efficiently reduce the volume of transmitted images. The artifacts appear among blocks due to the information loss, which not only affects the quality of images but also harms the subsequent…

Computer Vision and Pattern Recognition · Computer Science 2024-01-04 Long Peng , Yang Cao , Yuejin Sun , Yang Wang

This paper presents a new approach for improving the visual quality of the lowpass band of a compensated wavelet transform. A high quality of the lowpass band is very important as it can then be used as a downscaled version of the original…

Image and Video Processing · Electrical Eng. & Systems 2022-12-09 Wolfgang Schnurrer , Jürgen Seiler , André Kaup

Extrapolating fine-grained pixel-level correspondences in a fully unsupervised manner from a large set of misaligned images can benefit several computer vision and graphics problems, e.g. co-segmentation, super-resolution, image edit…

Computer Vision and Pattern Recognition · Computer Science 2019-10-15 Roberto Annunziata , Christos Sagonas , Jacques Cali

It is suggested that low-light image enhancement realizes one-to-many mapping since we have different definitions of NORMAL-light given application scenarios or users' aesthetic. However, most existing methods ignore subjectivity of the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-05 Ya'nan Wang , Zhuqing Jiang , Chang Liu , Kai Li , Aidong Men , Haiying Wang

Neural networks are prone to overfitting and memorizing data patterns. To avoid over-fitting and enhance their generalization and performance, various methods have been suggested in the literature, including dropout, regularization, label…

Computer Vision and Pattern Recognition · Computer Science 2023-02-08 Humza Naveed , Saeed Anwar , Munawar Hayat , Kashif Javed , Ajmal Mian

Metrics for evaluating generative models aim to measure the discrepancy between real and generated images. The often-used Frechet Inception Distance (FID) metric, for example, extracts "high-level" features using a deep network from the two…

Computer Vision and Pattern Recognition · Computer Science 2022-01-24 Gaurav Parmar , Richard Zhang , Jun-Yan Zhu

We study the image retrieval problem at the wireless edge, where an edge device captures an image, which is then used to retrieve similar images from an edge server. These can be images of the same person or a vehicle taken from other…

Information Theory · Computer Science 2021-07-16 Mikolaj Jankowski , Deniz Gunduz , Krystian Mikolajczyk

Image compression is an essential approach for decreasing the size in bytes of the image without deteriorating the quality of it. Typically, classic algorithms are used but recently deep-learning has been successfully applied. In this work,…

Image and Video Processing · Electrical Eng. & Systems 2019-06-17 Nicoló Savioli

Low-light image enhancement tasks demand an appropriate balance among brightness, color, and illumination. While existing methods often focus on one aspect of the image without considering how to pay attention to this balance, which will…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Nana Yu , Hong Shi , Yahong Han

Typical Magnetic Resonance Imaging (MRI) scan may take 20 to 60 minutes. Reducing MRI scan time is beneficial for both patient experience and cost considerations. Accelerated MRI scan may be achieved by acquiring less amount of k-space data…

Image and Video Processing · Electrical Eng. & Systems 2020-01-15 Pak Lun Kevin Ding , Zhiqiang Li , Yuxiang Zhou , Baoxin Li

The paper presents a non-uniform quantization method for the Detail components in the JPEG2000 standard. Incorporating the fact that the coefficients lying towards the ends of the histogram plot of each Detail component represent the…

Multimedia · Computer Science 2014-08-18 Madhur Srivastava , Satish K. Singh , Prasanta K. Panigrahi