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To improve the temporal and spatial storage efficiency, researchers have intensively studied various techniques, including compression and deduplication. Through our evaluation, we find that methods such as photo tags or local features help…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-04-20 Binqi Zhang , Chen Wang , Bing Bing Zhou , Albert Y. Zomaya

Recently deep learning based image compression has made rapid advances with promising results based on objective quality metrics. However, a rigorous subjective quality evaluation on such compression schemes have rarely been reported. This…

Image and Video Processing · Electrical Eng. & Systems 2019-05-13 Zhengxue Cheng , Pinar Akyazi , Heming Sun , Jiro Katto , Touradj Ebrahimi

High dynamic range (HDR) capture and display have seen significant growth in popularity driven by the advancements in technology and increasing consumer demand for superior image quality. As a result, HDR image compression is crucial to…

Image and Video Processing · Electrical Eng. & Systems 2024-07-19 Peibei Cao , Haoyu Chen , Jingzhe Ma , Yu-Chieh Yuan , Zhiyong Xie , Xin Xie , Haiqing Bai , Kede Ma

Volumetric videos, benefiting from immersive 3D realism and interactivity, hold vast potential for various applications, while the tremendous data volume poses significant challenges for compression. Recently, NeRF has demonstrated…

Computer Vision and Pattern Recognition · Computer Science 2024-11-11 Zhiyu Zhang , Guo Lu , Huanxiong Liang , Anni Tang , Qiang Hu , Li Song

Localizing an image wrt. a 3D scene model represents a core task for many computer vision applications. An increasing number of real-world applications of visual localization on mobile devices, e.g., Augmented Reality or autonomous robots…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Federico Camposeco , Andrea Cohen , Marc Pollefeys , Torsten Sattler

In recent years, light fields have become a major research topic and their applications span across the entire spectrum of classical image processing. Among the different methods used to capture a light field are the lenslet cameras, such…

Computer Vision and Pattern Recognition · Computer Science 2018-08-17 Pierre Matysiak , Mairéad Grogan , Mikaël Le Pendu , Martin Alain , Aljosa Smolic

Today, with the growing demands of information storage and data transfer, data compression is becoming increasingly important. Data Compression is a technique which is used to decrease the size of data. This is very useful when some huge…

Information Theory · Computer Science 2025-06-13 Mohammad Hosseini

The precise combination of image sensor and micro-lens array enables lenslet light field cameras to record both angular and spatial information of incoming light, therefore, one can calculate disparity and depth from light field images. In…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Haoxin Ma , Haotian Li , Zhiwen Qian , Shengxian Shi , Tingting Mu

We propose a method to compute depth maps for every sub-aperture image in a light field in a view consistent way. Previous light field depth estimation methods typically estimate a depth map only for the central sub-aperture view, and…

Computer Vision and Pattern Recognition · Computer Science 2020-09-10 Numair Khan , Min H. Kim , James Tompkin

Over the last decade, deep learning has shown great success at performing computer vision tasks, including classification, super-resolution, and style transfer. Now, we apply it to data compression to help build the next generation of…

Image and Video Processing · Electrical Eng. & Systems 2024-09-16 Mateen Ulhaq

Light-field microscopy represents a promising solution for microscopic volumetric imaging, thanks to its capability to encode information on multiple planes in a single acquisition. This is achieved through its peculiar simultaneous capture…

Lossless image compression is an important technique for image storage and transmission when information loss is not allowed. With the fast development of deep learning techniques, deep neural networks have been used in this field to…

Image and Video Processing · Electrical Eng. & Systems 2021-08-25 Honglei Zhang , Francesco Cricri , Hamed R. Tavakoli , Nannan Zou , Emre Aksu , Miska M. Hannuksela

Image compression emerges as a pivotal tool in the efficient handling and transmission of digital images. Its ability to substantially reduce file size not only facilitates enhanced data storage capacity but also potentially brings…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Justin Yang , Zhihao Duan , Andrew Peng , Yuning Huang , Jiangpeng He , Fengqing Zhu

An ever increasing amount of our digital communication, media consumption, and content creation revolves around videos. We share, watch, and archive many aspects of our lives through them, all of which are powered by strong video…

Computer Vision and Pattern Recognition · Computer Science 2018-04-20 Chao-Yuan Wu , Nayan Singhal , Philipp Krähenbühl

With the fast development of modern microscopes and bioimaging techniques, an unprecedentedly large amount of imaging data are being generated, stored, analyzed, and even shared through networks. The size of the data poses great challenges…

Image and Video Processing · Electrical Eng. & Systems 2024-01-17 Yu Zhou , Jan Sollmann , Jianxu Chen

In this age of information, images are a critical medium for storing and transmitting information. With the rapid growth of image data amount, visual compression and visual data perception are two important research topics attracting a lot…

Image and Video Processing · Electrical Eng. & Systems 2024-07-02 Yuefeng Zhang , Chuanmin Jia , Jiannhui Chang , Siwei Ma

Cloud based medical image analysis has become popular recently due to the high computation complexities of various deep neural network (DNN) based frameworks and the increasingly large volume of medical images that need to be processed. It…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Zihao Liu , Xiaowei Xu , Tao Liu , Qi Liu , Yanzhi Wang , Yiyu Shi , Wujie Wen , Meiping Huang , Haiyun Yuan , Jian Zhuang

Volumetric video, the capture and display of three-dimensional (3D) imagery, has emerged as a revolutionary technology poised to transform the media landscape, enabling immersive experiences that transcend the limitations of traditional 2D…

Graphics · Computer Science 2025-01-13 Preetish Kakkar , Hariharan Ragothaman

To enrich the functionalities of traditional cameras, light field cameras record both the intensity and direction of light rays, so that images can be rendered with user-defined camera parameters via computations. The added capability and…

Image and Video Processing · Electrical Eng. & Systems 2022-01-25 Muhammad Umair Mukati , Xi Zhang , Xiaolin Wu , Søren Forchhammer

A new method for dark field imaging is introduced which uses scanned electron diffraction (or 4DSTEM - 4-dimensional scanning transmission electron microscopy) datasets as its input. Instead of working on simple summation of intensity, it…

Materials Science · Physics 2024-09-18 Ian MacLaren , Andrew T. Fraser , Matthew R. Lipsett , Colin Ophus