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Geometric shape features have been widely used as strong predictors for image classification. Nevertheless, most existing classifiers such as deep neural networks (DNNs) directly leverage the statistical correlations between these shape…

计算机视觉与模式识别 · 计算机科学 2024-11-20 Tonmoy Hossain , Jing Ma , Jundong Li , Miaomiao Zhang

Implicit Neural Representations (INRs) have revolutionized continuous signal modeling, yet they struggle to recover fine-grained details within finite training budgets. While empirical techniques, such as positional encoding (PE),…

机器学习 · 计算机科学 2026-02-03 Jianqiao Zheng , Hemanth Saratchandran , Simon Lucey

We present a perceptually-driven video compression framework integrating implicit neural representations (INRs) and pre-trained video diffusion models to address the extremely low bitrate regime (<0.05 bpp). Our approach exploits the…

图像与视频处理 · 电气工程与系统科学 2026-04-10 Eren Çetin , Lucas Relic , Yuanyi Xue , Markus Gross , Christopher Schroers , Roberto Azevedo

Implicit Neural Representations (INRs) have recently demonstrated impressive performance for video compression. However, since a separate INR must be overfit for each video, scaling to high-resolution videos while maintaining encoding…

计算机视觉与模式识别 · 计算机科学 2026-02-19 Namitha Padmanabhan , Matthew Gwilliam , Abhinav Shrivastava

Implicit neural representation (INR) methods for video compression have recently achieved visual quality and compression ratios that are competitive with traditional pipelines. However, due to the need for per-sample network training, the…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Matthew Gwilliam , Roy Zhang , Namitha Padmanabhan , Hongyang Du , Abhinav Shrivastava

In this paper, we propose a robust representation learning model called Adaptive Structure-constrained Low-Rank Coding (AS-LRC) for the latent representation of data. To recover the underlying subspaces more accurately, AS-LRC seamlessly…

计算机视觉与模式识别 · 计算机科学 2019-08-23 Zhao Zhang , Lei Wang , Sheng Li , Yang Wang , Zheng Zhang , Zhengjun Zha , Meng Wang

The recent success of implicit neural scene representations has presented a viable new method for how we capture and store 3D scenes. Unlike conventional 3D representations, such as point clouds, which explicitly store scene properties in…

计算机视觉与模式识别 · 计算机科学 2021-01-19 Amit Kohli , Vincent Sitzmann , Gordon Wetzstein

There is currently a paradigm shift in several power system monitoring applications, such as incipient fault detection and monitoring inverter-based resources, to transition from traditional phasor analytics to more informative waveform…

信号处理 · 电气工程与系统科学 2025-05-26 Narges Ehsani , Vishwanath Saragadam , Hamed Mohsenian-Rad

Low-Rank Representation (LRR) is arguably one of the most powerful paradigms for Multi-view spectral clustering, which elegantly encodes the multi-view local graph/manifold structures into an intrinsic low-rank self-expressive data…

计算机视觉与模式识别 · 计算机科学 2018-03-23 Yang Wang , Lin Wu

Implicit Neural Spatial Representation (INSR) has emerged as an effective representation of spatially-dependent vector fields. This work explores solving time-dependent PDEs with INSR. Classical PDE solvers introduce both temporal and…

机器学习 · 计算机科学 2023-06-01 Honglin Chen , Rundi Wu , Eitan Grinspun , Changxi Zheng , Peter Yichen Chen

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…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Ge Gao , Ho Man Kwan , Fan Zhang , David Bull

High Resolution (HR) medical images provide rich anatomical structure details to facilitate early and accurate diagnosis. In MRI, restricted by hardware capacity, scan time, and patient cooperation ability, isotropic 3D HR image acquisition…

图像与视频处理 · 电气工程与系统科学 2022-12-01 Qing Wu , Yuwei Li , Yawen Sun , Yan Zhou , Hongjiang Wei , Jingyi Yu , Yuyao Zhang

During the past decade, representation-based classification methods have received considerable attention in pattern recognition. In particular, the recently proposed non-negative representation based classification (NRC) method has been…

计算机视觉与模式识别 · 计算机科学 2020-07-13 He-Feng Yin , Xiao-Jun Wu , Zhen-Hua Feng , Josef Kittler

The accurate representation of fine-detailed cloth wrinkles poses significant challenges in computer graphics. The inherently non-uniform structure of cloth wrinkles mandates the employment of intricate discretization strategies, which are…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Lei Shu , Vinicius Azevedo , Barbara Solenthaler , Markus Gross

Acoustic-Resolution Photoacoustic Microscopy (AR-PAM) is promising for subcutaneous vascular imaging, but its spatial resolution is constrained by the Point Spread Function (PSF). Traditional deconvolution methods like Richardson-Lucy and…

计算机视觉与模式识别 · 计算机科学 2024-10-29 Youshen Xiao , Sheng Liao , Xuanyang Tian , Fan Zhang , Xinlong Dong , Yunhui Jiang , Xiyu Chen , Ruixi Sun , Yuyao Zhang , Fei Gao

Computed Tomography (CT) is pivotal in industrial quality control and medical diagnostics. Sparse-view CT, offering reduced ionizing radiation, faces challenges due to its under-sampled nature, leading to ill-posed reconstruction problems.…

计算机视觉与模式识别 · 计算机科学 2024-11-06 Jiayang Shi , Junyi Zhu , Daniel M. Pelt , K. Joost Batenburg , Matthew B. Blaschko

Clinical routine and retrospective cohorts commonly include multi-parametric Magnetic Resonance Imaging; however, they are mostly acquired in different anisotropic 2D views due to signal-to-noise-ratio and scan-time constraints. Thus…

High-resolution (HR) image harmonization is of great significance in real-world applications such as image synthesis and image editing. However, due to the high memory costs, existing dense pixel-to-pixel harmonization methods are mainly…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Jianqi Chen , Yilan Zhang , Zhengxia Zou , Keyan Chen , Zhenwei Shi

Computational reconstruction plays a vital role in computer vision and computational photography. Most of the conventional optimization and deep learning techniques explore local information for reconstruction. Recently, nonlocal low-rank…

图像与视频处理 · 电气工程与系统科学 2023-01-10 Daoyu Li , Hanwen Xu , Miao Cao , Xin Yuan , David J. Brady , Liheng Bian

Although deep learning based image compression methods have achieved promising progress these days, the performance of these methods still cannot match the latest compression standard Versatile Video Coding (VVC). Most of the recent…

图像与视频处理 · 电气工程与系统科学 2021-08-29 Yueqi Xie , Ka Leong Cheng , Qifeng Chen