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Mars exploration requires precise and reliable terrain models to ensure safe rover navigation across its unpredictable and often hazardous landscapes. Stereoscopic vision serves a critical role in the rover's perception, allowing scene…

Instrumentation and Methods for Astrophysics · Physics 2025-09-09 Yan-Shan Lu , Miguel Arana-Catania , Saurabh Upadhyay , Leonard Felicetti

Depth estimation plays a great potential role in obstacle avoidance and navigation for further Mars exploration missions. Compared to traditional stereo matching, learning-based stereo depth estimation provides a data-driven approach to…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Junjie Li , Jiawei Wang , Miyu Li , Yu Liu , Yumei Wang , Haitao Xu

Variational Autoencoders (VAEs) have seen widespread use in learned image compression. They are used to learn expressive latent representations on which downstream compression methods can operate with high efficiency. Recently proposed…

Information Theory · Computer Science 2021-04-20 Gergely Flamich , Marton Havasi , José Miguel Hernández-Lobato

In real-world applications, such as sharing photos on social media platforms, images are always not only sub-sampled but also heavily compressed thus often containing various artefacts. Simple methods for enhancing the resolution of such…

Image and Video Processing · Electrical Eng. & Systems 2022-11-23 Hongming Luo , Fei Zhou , Guangsen Liao , Guoping Qiu

We introduce RAGE, an image compression framework that achieves four generally conflicting objectives: 1) good compression for a wide variety of color images, 2) computationally efficient, fast decompression, 3) fast random access of images…

Image and Video Processing · Electrical Eng. & Systems 2024-02-12 Christian D. Rask , Daniel E. Lucani

The rapid development of AR/VR, remote sensing, satellite radar, and medical equipment has created an imperative demand for ultra efficient image compression and reconstruction that exceed the capabilities of electronic processors. For the…

Optics · Physics 2025-07-31 Yuhang Wang , Ang Li , Yihang Shao , Qiang Li , Yang Zhao , Shilong Pan

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.…

Image and Video Processing · Electrical Eng. & Systems 2020-05-26 Jiaheng Liu , Guo Lu , Zhihao Hu , Dong Xu

In the era of multinational cooperation, gathering and analyzing the satellite images are getting easier and more important. Typical procedure of the satellite image analysis include transmission of the bulky image data from satellite to…

Image and Video Processing · Electrical Eng. & Systems 2022-07-25 KyungChae Lee

The growing field of remote sensing faces a challenge: the ever-increasing size and volume of imagery data are exceeding the storage and transmission capabilities of satellite platforms. Efficient compression of remote sensing imagery is a…

Image and Video Processing · Electrical Eng. & Systems 2025-04-15 Zhibin Wang , Yanxin Cai , Jiayi Zhou , Yangming Zhang , Tianyu Li , Wei Li , Xun Liu , Guoqing Wang , Yang Yang

In recent years, layered image compression is demonstrated to be a promising direction, which encodes a compact representation of the input image and apply an up-sampling network to reconstruct the image. To further improve the quality of…

Image and Video Processing · Electrical Eng. & Systems 2021-02-02 Trinh Man Hoang , Jinjia Zhou , Yibo Fan

Cardiovascular magnetic resonance (CMR) imaging is the gold standard for diagnosing several heart diseases due to its non-invasive nature and proper contrast. MR imaging is time-consuming because of signal acquisition and image formation…

Image and Video Processing · Electrical Eng. & Systems 2025-04-29 Kian Anvari Hamedani , Narges Razizadeh , Shahabedin Nabavi , Mohsen Ebrahimi Moghaddam

Image compression and reconstruction are crucial for various digital applications. While contemporary neural compression methods achieve impressive compression rates, the adoption of such technology has been largely hindered by the…

Machine Learning · Computer Science 2025-10-06 Ethan G. Rogers , Cheng Wang

Remote sensing (RS) images are usually stored in compressed format to reduce the storage size of the archives. Thus, existing content-based image retrieval (CBIR) systems in RS require decoding images before applying CBIR (which is…

Computer Vision and Pattern Recognition · Computer Science 2023-01-24 Gencer Sumbul , Jun Xiang , Nimisha Thekke Madam , Begüm Demir

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…

Image and Video Processing · Electrical Eng. & Systems 2024-10-15 Aryan Kashyap Naveen , Sunil Thunga , Anuhya Murki , Mahati A Kalale , Shriya Anil

With the help of powerful generative models, Semantic Image Compression (SIC) has achieved impressive performance at ultra-low bitrate. However, due to coarse-grained visual-semantic alignment and inherent randomness, the reliability of SIC…

Image and Video Processing · Electrical Eng. & Systems 2025-06-03 Chenhao Wu , Qingbo Wu , Haoran Wei , Shuai Chen , Mingzhou He , King Ngi Ngan , Fanman Meng , Hongliang Li

Nonlinear spatial encoding magnetic (SEM) fields have been studied to complement multichannel RF encoding and accelerate MRI scans. Published schemes include PatLoc, O-Space, Null Space, 4D-RIO, and others, but the large variety of possible…

Medical Physics · Physics 2016-11-18 Haifeng Wang , R. Todd Constable , Gigi Galiana

We propose a method for lossy image compression based on recurrent, convolutional neural networks that outperforms BPG (4:2:0 ), WebP, JPEG2000, and JPEG as measured by MS-SSIM. We introduce three improvements over previous research that…

Computer Vision and Pattern Recognition · Computer Science 2017-03-30 Nick Johnston , Damien Vincent , David Minnen , Michele Covell , Saurabh Singh , Troy Chinen , Sung Jin Hwang , Joel Shor , George Toderici

Neural image compression methods have seen increasingly strong performance in recent years. However, they suffer orders of magnitude higher computational complexity compared to traditional codecs, which hinders their real-world deployment.…

Image and Video Processing · Electrical Eng. & Systems 2023-11-13 Yibo Yang , Stephan Mandt

Recent diffusion-based extreme image compression methods have demonstrated remarkable performance at ultra-low bitrates. However, most approaches require training separate diffusion models for each target bitrate, resulting in substantial…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Xinning Chai , Zhengxue Cheng , Xin Li , Rong Xie , Li Song

Recently, learned image compression has achieved remarkable performance. The entropy model, which estimates the distribution of the latent representation, plays a crucial role in boosting rate-distortion performance. However, most entropy…

Image and Video Processing · Electrical Eng. & Systems 2024-09-16 Wei Jiang , Jiayu Yang , Yongqi Zhai , Peirong Ning , Feng Gao , Ronggang Wang