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Functional Magnetic Resonance Imaging (fMRI) data is a widely used kind of four-dimensional biomedical data, which requires effective compression. However, fMRI compressing poses unique challenges due to its intricate temporal dynamics, low…

Image and Video Processing · Electrical Eng. & Systems 2024-03-01 Ruoran Li , Runzhao Yang , Wenxin Xiang , Yuxiao Cheng , Tingxiong Xiao , Jinli Suo

Ultrafast intracardiac echocardiography (ICE) uses unfocused transmissions to capture cardiac motion at frame rates exceeding 1 kHz. While this enables real-time visualization of rapid dynamics, image quality is often degraded by…

Image and Video Processing · Electrical Eng. & Systems 2025-10-08 Rémi Delaunay , Christoph Hennersperger , Stefan Wörz

Attentional mechanisms are order-invariant. Positional encoding is a crucial component to allow attention-based deep model architectures such as Transformer to address sequences or images where the position of information matters. In this…

Machine Learning · Computer Science 2021-11-10 Yang Li , Si Si , Gang Li , Cho-Jui Hsieh , Samy Bengio

Implicit neural representation (INR) has emerged as a promising solution for encoding volumetric data, offering continuous representations and seamless compatibility with the volume rendering pipeline. However, optimizing an INR network…

Computer Vision and Pattern Recognition · Computer Science 2025-02-17 Maizhe Yang , Kaiyuan Tang , Chaoli Wang

Inspired by their success in solving challenging inverse problems in computer vision, implicit neural representations (INRs) have been recently proposed for reconstruction in low-dose/sparse-view X-ray computed tomography (CT). An INR…

Image and Video Processing · Electrical Eng. & Systems 2025-04-21 Mahrokh Najaf , Gregory Ongie

In an era where the exponential growth of image data driven by the Internet of Things (IoT) is outpacing traditional storage solutions, this work explores and advances the potential of Implicit Neural Representation (INR) as a…

Image and Video Processing · Electrical Eng. & Systems 2024-09-23 Sai Sanjeet , Seyyedali Hosseinalipour , Jinjun Xiong , Masahiro Fujita , Bibhu Datta Sahoo

Unary representation is straightforward, error tolerant and requires simple logic while its latency is a concern. On the other hand, positional representation (like binary) is compact and requires less space, but it is sensitive to errors.…

Emerging Technologies · Computer Science 2020-12-21 Zhenduo Zhai , Ismail Akturk

Displaying high-quality images on edge devices, such as augmented reality devices, is essential for enhancing the user experience. However, these devices often face power consumption and computing resource limitations, making it challenging…

Image and Video Processing · Electrical Eng. & Systems 2024-06-10 Xiang Liu , Jiahong Chen , Bin Chen , Zimo Liu , Baoyi An , Shu-Tao Xia , Zhi Wang

Implicit neural representations (INRs) have emerged as a powerful paradigm for medical imaging via physics-informed unsupervised learning. Classical INRs optimize an entire network from scratch for each subject, leading to inefficient…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Qing Wu , Xuanyu Tian , Chenhe Du , Haonan Zhang , Xiao Wang , Le Lu , Yuyao Zhang

We introduce a modality-agnostic neural compression algorithm based on a functional view of data and parameterised as an Implicit Neural Representation (INR). Bridging the gap between latent coding and sparsity, we obtain compact latent…

Machine Learning · Statistics 2023-04-10 Jonathan Richard Schwarz , Jihoon Tack , Yee Whye Teh , Jaeho Lee , Jinwoo Shin

Supervised Deep-Learning (DL)-based reconstruction algorithms have shown state-of-the-art results for highly-undersampled dynamic Magnetic Resonance Imaging (MRI) reconstruction. However, the requirement of excessive high-quality…

Image and Video Processing · Electrical Eng. & Systems 2025-11-11 Jie Feng , Ruimin Feng , Qing Wu , Zhiyong Zhang , Yuyao Zhang , Hongjiang Wei

Implicit Neural Representation (INR) is an innovative approach for representing complex shapes or objects without explicitly defining their geometry or surface structure. Instead, INR represents objects as continuous functions. Previous…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Hanqiu Chen , Hang Yang , Stephen Fitzmeyer , Cong Hao

Learning-based video compression is currently a popular research topic, offering the potential to compete with conventional standard video codecs. In this context, Implicit Neural Representations (INRs) have previously been used to…

Image and Video Processing · Electrical Eng. & Systems 2024-06-11 Ho Man Kwan , Ge Gao , Fan Zhang , Andrew Gower , David Bull

Implicit neural representations (INRs) have emerged as a promising approach for video storage and processing, showing remarkable versatility across various video tasks. However, existing methods often fail to fully leverage their…

Image and Video Processing · Electrical Eng. & Systems 2024-03-19 Xinjie Zhang , Ren Yang , Dailan He , Xingtong Ge , Tongda Xu , Yan Wang , Hongwei Qin , Jun Zhang

In recent years, huge progress has been made on learning neural implicit representations from multi-view images for 3D reconstruction. As an additional input complementing coordinates, using sinusoidal functions as positional encodings…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Sijia Jiang , Jing Hua , Zhizhong Han

For decades, video compression technology has been a prominent research area. Traditional hybrid video compression framework and end-to-end frameworks continue to explore various intra- and inter-frame reference and prediction strategies…

Image and Video Processing · Electrical Eng. & Systems 2024-10-04 Gai Zhang , Xinfeng Zhang , Lv Tang , Yue Li , Kai Zhang , Li Zhang

Implicit neural representations (INR) have been recently proposed as deep learning (DL) based solutions for image compression. An image can be compressed by training an INR model with fewer weights than the number of image pixels to map the…

Image and Video Processing · Electrical Eng. & Systems 2022-10-28 Harry Gao , Weijie Gan , Zhixin Sun , Ulugbek S. Kamilov

Video compression technology is essential for transmitting and storing videos. Many video compression methods reduce information in videos by removing high-frequency components and utilizing similarities between frames. Alternatively, the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Taiga Hayami , Hiroshi Watanabe

Neural video compression has recently demonstrated significant potential to compete with conventional video codecs in terms of rate-quality performance. These learned video codecs are however associated with various issues related to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Ge Gao , Ho Man Kwan , Fan Zhang , David Bull

Implicit Neural Representations (INRs) aim to parameterize discrete signals through implicit continuous functions. However, formulating each image with a separate neural network~(typically, a Multi-Layer Perceptron (MLP)) leads to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Wenyong Zhou , Taiqiang Wu , Zhengwu Liu , Yuxin Cheng , Chen Zhang , Ngai Wong