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This paper addresses about various image compression techniques. On the basis of analyzing the various image compression techniques this paper presents a survey of existing research papers. In this paper we analyze different types of…

信息论 · 计算机科学 2013-11-28 Gaurav Vijayvargiya , Sanjay Silakari , Rajeev Pandey

For any digital application with document images such as retrieval, the classification of document images becomes an essential stage. Conventionally for the purpose, the full versions of the documents, that is the uncompressed document…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Tejasvee Bisen , Mohammed Javed , Shashank Kirtania , P. Nagabhushan

Lossy image compression is generally formulated as a joint rate-distortion optimization to learn encoder, quantizer, and decoder. However, the quantizer is non-differentiable, and discrete entropy estimation usually is required for rate…

计算机视觉与模式识别 · 计算机科学 2017-09-20 Mu Li , Wangmeng Zuo , Shuhang Gu , Debin Zhao , David Zhang

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…

信息论 · 计算机科学 2021-07-16 Mikolaj Jankowski , Deniz Gunduz , Krystian Mikolajczyk

Incorporating semantic information into the codecs during image compression can significantly reduce the repetitive computation of fundamental semantic analysis (such as object recognition) in client-side applications. The same practice…

计算机视觉与模式识别 · 计算机科学 2018-01-30 Sihui Luo , Yezhou Yang , Mingli Song

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

Snapshot compressed sensing (CS) refers to compressive imaging systems in which multiple frames are mapped into a single measurement frame. Each pixel in the acquired frame is a noisy linear mapping of the corresponding pixels in the frames…

信息论 · 计算机科学 2019-04-30 Shirin Jalali , Xin Yuan

Recent advances in deep learning have led to superhuman performance across a variety of applications. Recently, these methods have been successfully employed to improve the rate-distortion performance in the task of image compression.…

图像与视频处理 · 电气工程与系统科学 2022-02-01 Ankur Mali , Alexander Ororbia , Daniel Kifer , Lee Giles

Advances in image compression, storage, and display technologies have made high-quality images and videos widely accessible. At this level of quality, distinguishing between compressed and original content becomes difficult, highlighting…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Michela Testolina , Mohsen Jenadeleh , Shima Mohammadi , Shaolin Su , Joao Ascenso , Touradj Ebrahimi , Jon Sneyers , Dietmar Saupe

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

The standard JPEG format is almost the optimum format in image compression. The compression ratio in JPEG sometimes reaches 30:1. The compression ratio of JPEG could be increased by embedding the Five Modulus Method (FMM) into the JPEG…

计算机视觉与模式识别 · 计算机科学 2013-05-02 Firas A. Jassim

We address the challenge of applying existing convolutional neural network (CNN) architectures to compressed images. Existing CNN architectures represent images as a matrix of pixel intensities with a specified dimension; this desired…

计算机视觉与模式识别 · 计算机科学 2019-11-22 Christopher A. George , Bradley M. West

Motivated by surveillance applications with wireless cameras or drones, we consider the problem of image retrieval over a wireless channel. Conventional systems apply lossy compression on query images to reduce the data that must be…

信息论 · 计算机科学 2020-10-21 Mikolaj Jankowski , Deniz Gunduz , Krystian Mikolajczyk

As a commonly-used image compression format, JPEG has been broadly applied in the transmission and storage of images. To further reduce the compression cost while maintaining the quality of JPEG images, lossless transcoding technology has…

计算机视觉与模式识别 · 计算机科学 2022-08-25 Xiaoshuai Fan , Xin Li , Zhibo Chen

As one of most fascinating machine learning techniques, deep neural network (DNN) has demonstrated excellent performance in various intelligent tasks such as image classification. DNN achieves such performance, to a large extent, by…

计算机视觉与模式识别 · 计算机科学 2018-03-16 Zihao Liu , Tao Liu , Wujie Wen , Lei Jiang , Jie Xu , Yanzhi Wang , Gang Quan

We propose a practical approach to JPEG image decoding, utilizing a local implicit neural representation with continuous cosine formulation. The JPEG algorithm significantly quantizes discrete cosine transform (DCT) spectra to achieve a…

图像与视频处理 · 电气工程与系统科学 2024-04-09 Woo Kyoung Han , Sunghoon Im , Jaedeok Kim , Kyong Hwan Jin

To reduce the storage requirements, remote sensing (RS) images are usually stored in compressed format. Existing scene classification approaches using deep neural networks (DNNs) require to fully decompress the images, which is a…

图像与视频处理 · 电气工程与系统科学 2020-12-16 Akshara Preethy Byju , Gencer Sumbul , Begüm Demir , Lorenzo Bruzzone

Visual images corrupted by various types and levels of degradations are commonly encountered in practical image compression. However, most existing image compression methods are tailored for clean images, therefore struggling to achieve…

计算机视觉与模式识别 · 计算机科学 2025-05-01 Huimin Zeng , Jiacheng Li , Ziqiang Zheng , Zhiwei Xiong

With exponential growth in the use of digital image data, the need for efficient transmission methods has become imperative. Traditional image compression techniques often sacrifice image fidelity for reduced file sizes, challenging…

图像与视频处理 · 电气工程与系统科学 2024-10-15 Aryan Kashyap Naveen , Sunil Thunga , Anuhya Murki , Mahati A Kalale , Shriya Anil

Image compression has been applied in the fields of image storage and video broadcasting. However, it's formidably tough to distinguish the subtle quality differences between those distorted images generated by different algorithms. In this…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Kaiqun Wu , Xiaoling Jiang , Rui Yu , Yonggang Luo , Tian Jiang , Xi Wu , Peng Wei