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JPEG is one of the popular image compression algorithms that provide efficient storage and transmission capabilities in consumer electronics, and hence it is the most preferred image format over the internet world. In the present digital…

计算机视觉与模式识别 · 计算机科学 2019-07-30 Bulla Rajesh , Mohammed Javed , P Nagabhushan

Joint Photographic Experts Group (JPEG) achieves data compression by quantizing Discrete Cosine Transform (DCT) coefficients, which inevitably introduces compression artifacts. Most existing JPEG quality enhancement methods operate in the…

图像与视频处理 · 电气工程与系统科学 2025-06-27 Jing Yang , Qunliang Xing , Mai Xu , Minglang Qiao

Object detection in still images has drawn a lot of attention over past few years, and with the advent of Deep Learning impressive performances have been achieved with numerous industrial applications. Most of these deep learning models…

计算机视觉与模式识别 · 计算机科学 2020-06-23 Benjamin Deguerre , Clément Chatelain , Gilles Gasso

With limited storage/bandwidth resources, input images to Computer Vision (CV) applications that use Deep Neural Networks (DNNs) are often encoded with JPEG that is tailored to Human Vision (HV). This paper presents Deep Selector-JPEG, an…

图像与视频处理 · 电气工程与系统科学 2023-02-21 Hossam Amer , Sepideh Shaterian , En-hui Yang

Several dual-domain convolutional neural network-based methods show outstanding performance in reducing image compression artifacts. However, they suffer from handling color images because the compression processes for gray-scale and color…

计算机视觉与模式识别 · 计算机科学 2019-07-29 Bolun Zheng , Yaowu Chen , Xiang Tian , Fan Zhou , Xuesong Liu

We propose a novel JPEG XT image compression with hue compensation for two-layer HDR coding. LDR images produced from JPEG XT bitstreams have some distortion in hue due to tone mapping operations. In order to suppress the color distortion,…

计算机视觉与模式识别 · 计算机科学 2019-04-26 Hiroyuki Kobayashi , Hitoshi Kiya

This paper presents the performance of different blockbased discrete cosine transform (DCT) algorithms for compressing color image. In this RGB component of color image are converted to YCbCr before DCT transform is applied. Y is luminance…

计算机视觉与模式识别 · 计算机科学 2012-08-16 Walaa M. Abd-Elhafiez , Wajeb Gharibi

In traditional reversible data hiding (RDH) methods, researchers pay attention to enlarge the embedding capacity (EC) and to reduce the embedding distortion (ED). Recently, a completely novel RDH algorithm was developed to embed secret data…

多媒体 · 计算机科学 2019-08-19 Erdun Gao , Zhibin Pan , Xinyi Gao

Image compression is a widely used technique to reduce the spatial redundancy in images. Recently, learning based image compression has achieved significant progress by using the powerful representation ability from neural networks.…

图像与视频处理 · 电气工程与系统科学 2020-05-26 Jiaheng Liu , Guo Lu , Zhihao Hu , Dong Xu

The existing image embedding networks are basically vulnerable to malicious attacks such as JPEG compression and noise adding, not applicable for real-world copyright protection tasks. To solve this problem, we introduce a generative deep…

计算机视觉与模式识别 · 计算机科学 2021-10-13 Qichao Ying , Hang Zhou , Xianhan Zeng , Haisheng Xu , Zhenxing Qian , Xinpeng Zhang

Medical Image-to-image translation is a key task in computer vision and generative artificial intelligence, and it is highly applicable to medical image analysis. GAN-based methods are the mainstream image translation methods, but they…

图像与视频处理 · 电气工程与系统科学 2023-11-07 Zhuhui Wang , Jianwei Zuo , Xuliang Deng , Jiajia Luo

Recent studies in extreme image compression have achieved remarkable performance by compressing the tokens from generative tokenizers. However, these methods often prioritize clustering common semantics within the dataset, while overlooking…

计算机视觉与模式识别 · 计算机科学 2025-09-16 Naifu Xue , Zhaoyang Jia , Jiahao Li , Bin Li , Yuan Zhang , Yan Lu

The design of the optimal inverse discrete cosine transform (IDCT) to compensate the quantization error is proposed for effective lossy image compression in this work. The forward and inverse DCTs are designed in pair in current image/video…

多媒体 · 计算机科学 2021-02-02 Yifan Wang , Zhanxuan Mei , Chia-Yang Tsai , Ioannis Katsavounidis , C. -C. Jay Kuo

Due to the increasing requirements for transmission of images in computer, mobile environments, the research in the field of image compression has increased significantly. Image compression plays a crucial role in digital image processing,…

多媒体 · 计算机科学 2014-05-26 A. M. Raid , W. M. Khedr , M. A. El-dosuky , Wesam Ahmed

In this paper, we design a Deep Dual-Domain ($\mathbf{D^3}$) based fast restoration model to remove artifacts of JPEG compressed images. It leverages the large learning capacity of deep networks, as well as the problem-specific expertise…

计算机视觉与模式识别 · 计算机科学 2016-04-12 Zhangyang Wang , Ding Liu , Shiyu Chang , Qing Ling , Yingzhen Yang , Thomas S. Huang

Advancements in diffusion models have enabled effortless image editing via text prompts, raising concerns about image security. Attackers with access to user images can exploit these tools for malicious edits. Recent defenses attempt to…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Aniruddha Bala , Rohit Chowdhury , Rohan Jaiswal , Siddharth Roheda

Real-time small object detection in Unmanned Aerial Vehicle (UAV) imagery remains challenging due to limited feature representation and ineffective multi-scale fusion. Existing methods underutilize frequency information and rely on static…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Yu Xia , Chang Liu , Tianqi Xiang , Zhigang Tu

Motivated by recent work on deep neural network (DNN)-based image compression methods showing potential improvements in image quality, savings in storage, and bandwidth reduction, we propose to perform image understanding tasks such as…

计算机视觉与模式识别 · 计算机科学 2018-03-19 Robert Torfason , Fabian Mentzer , Eirikur Agustsson , Michael Tschannen , Radu Timofte , Luc Van Gool

Due to the factors like processing power limitations and channel capabilities images are often down sampled and transmitted at low bit rates resulting in a low resolution compressed image. High resolution images can be reconstructed from…

计算机视觉与模式识别 · 计算机科学 2011-03-01 Liyakathunisa , C. N . Ravi Kumar

Recently deep learning-based methods have been applied in image compression and achieved many promising results. In this paper, we propose an improved hybrid layered image compression framework by combining deep learning and the traditional…

图像与视频处理 · 电气工程与系统科学 2022-06-22 Haisheng Fu , Feng Liang , Bo Lei , Nai Bian , Qian zhang , Mohammad Akbari , Jie Liang , Chengjie Tu