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Hyperspectral image (HSI) recovery, as an upstream image processing task, holds significant importance for downstream tasks such as classification, segmentation, and detection. In recent years, HSI recovery methods based on non-local prior…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Zhuoran Peng , Yiqing Shen

We present a representation learning algorithm that learns a low-dimensional latent dynamical system from high-dimensional \textit{sequential} raw data, e.g., video. The framework builds upon recent advances in amortized inference methods…

机器学习 · 计算机科学 2020-01-29 Jung-Su Ha , Young-Jin Park , Hyeok-Joo Chae , Soon-Seo Park , Han-Lim Choi

In this paper, we propose an iterative framework, which consists of two phases: a generation phase and a training phase, to generate realistic training data and yield a supervised homography network. In the generation phase, given an…

计算机视觉与模式识别 · 计算机科学 2023-08-16 Hai Jiang , Haipeng Li , Songchen Han , Haoqiang Fan , Bing Zeng , Shuaicheng Liu

Single hyperspectral image super-resolution (single-HSI-SR) aims to improve the resolution of a single input low-resolution HSI. Due to the bottleneck of data scarcity, the development of single-HSI-SR lags far behind that of RGB natural…

图像与视频处理 · 电气工程与系统科学 2024-12-31 Xi Su , Xiangfei Shen , Mingyang Wan , Jing Nie , Lihui Chen , Haijun Liu , Xichuan Zhou

Non-local low-rank tensor approximation has been developed as a state-of-the-art method for hyperspectral image (HSI) denoising. Unfortunately, with more spectral bands for HSI, while the running time of these methods significantly…

计算机视觉与模式识别 · 计算机科学 2019-03-28 Wei He , Quanming Yao , Chao Li , Naoto Yokoya , Qibin Zhao

The application of the context-adaptive entropy model significantly improves the rate-distortion (R-D) performance, in which hyperpriors and autoregressive models are jointly utilized to effectively capture the spatial redundancy of the…

图像与视频处理 · 电气工程与系统科学 2022-09-09 Haisheng Fu , Feng Liang

Spatial Transcriptomics (ST) merges the benefits of pathology images and gene expression, linking molecular profiles with tissue structure to analyze spot-level function comprehensively. Predicting gene expression from histology images is a…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Chen Zhang , Yilu An , Ying Chen , Hao Li , Xitong Ling , Lihao Liu , Junjun He , Yuxiang Lin , Zihui Wang , Rongshan Yu

Hyperspectral Images (HSIs) are crucial across numerous fields but are hindered by the long acquisition times associated with traditional spectrometers. The Coded Aperture Snapshot Spectral Imaging (CASSI) system mitigates this issue…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Jianan Li , Huan Chen , Wangcai Zhao , Rui Chen , Tingfa Xu

The recent use of diffusion prior, enhanced by pre-trained text-image models, has markedly elevated the performance of image super-resolution (SR). To alleviate the huge computational cost required by pixel-based diffusion SR, latent-based…

计算机视觉与模式识别 · 计算机科学 2023-12-14 Feng Luo , Jinxi Xiang , Jun Zhang , Xiao Han , Wei Yang

We propose a learning-based approach for estimating the spectrum of a multisinusoidal signal from a finite number of samples. A neural-network is trained to approximate the spectra of such signals on simulated data. The proposed methodology…

机器学习 · 计算机科学 2019-06-03 Gautier Izacard , Brett Bernstein , Carlos Fernandez-Granda

With the development of numbers of high resolution data acquisition systems and the global requirement to lower the energy consumption, the development of efficient sensing techniques becomes critical. Recently, Compressed Sampling (CS)…

信息论 · 计算机科学 2015-06-11 Mohammad Golbabaee , Simon Arberet , Pierre Vandergheynst

Scientific measurements are often bottlenecked by suboptimal conditions, whether that be noise, incomplete spatial coverage, or limited resolution, rendering accurate field reconstruction a difficult task. We introduce LatentPDE, a latent…

机器学习 · 计算机科学 2026-04-28 Valerie Tsao , Nathaniel Chaney , Manolis Veveakis

Semantic communication is proposed and expected to improve the efficiency of massive data transmission over sixth generation (6G) networks. However, existing image semantic communication schemes are primarily focused on optimizing…

多媒体 · 计算机科学 2025-06-09 Zehao Chen , Xinfeng Wei , Haonan Tong , Zhaohui Yang , Changchuan Yin

For semantic segmentation of remote sensing images (RSI), trade-off between representation power and location accuracy is quite important. How to get the trade-off effectively is an open question,where current approaches of utilizing very…

计算机视觉与模式识别 · 计算机科学 2022-04-04 Shuang He , Xia Lu , Jason Gu , Haitong Tang , Qin Yu , Kaiyue Liu , Haozhou Ding , Chunqi Chang , Nizhuan Wang

Learning suitable Whole slide images (WSIs) representations for efficient retrieval systems is a non-trivial task. The WSI embeddings obtained from current methods are in Euclidean space not ideal for efficient WSI retrieval. Furthermore,…

计算机视觉与模式识别 · 计算机科学 2022-09-26 Sobhan Hemati , Shivam Kalra , Morteza Babaie , H. R. Tizhoosh

By decomposing the image formation process into a sequential application of denoising autoencoders, diffusion models (DMs) achieve state-of-the-art synthesis results on image data and beyond. Additionally, their formulation allows for a…

计算机视觉与模式识别 · 计算机科学 2022-04-14 Robin Rombach , Andreas Blattmann , Dominik Lorenz , Patrick Esser , Björn Ommer

Learning image representations using synthetic data allows training neural networks without some of the concerns associated with real images, such as privacy and bias. Existing work focuses on a handful of curated generative processes which…

计算机视觉与模式识别 · 计算机科学 2023-11-08 Manel Baradad , Chun-Fu Chen , Jonas Wulff , Tongzhou Wang , Rogerio Feris , Antonio Torralba , Phillip Isola

Hyperspectral Imaging (HSI) has been extensively utilized in many real-life applications because it benefits from the detailed spectral information contained in each pixel. Notably, the complex characteristics i.e., the nonlinear relation…

图像与视频处理 · 电气工程与系统科学 2022-04-28 Muhammad Ahmad , Sidrah Shabbir , Swalpa Kumar Roy , Danfeng Hong , Xin Wu , Jing Yao , Adil Mehmood Khan , Manuel Mazzara , Salvatore Distefano , Jocelyn Chanussot

Hyperspectral images (HSI) contain a wealth of information over hundreds of contiguous spectral bands, making it possible to classify materials through subtle spectral discrepancies. However, the classification of this rich spectral…

机器学习 · 计算机科学 2018-12-07 Ramanarayan Mohanty , SL Happy , Aurobinda Routray

Spatially resolved Electron Energy-Loss Spectroscopy (EELS) conducted in a Scanning Transmission Electron Microscope (STEM) enables the acquisition of hyperspectral images (HSIs). Spectral unmixing (SU) is the process of decomposing each…

数据分析、统计与概率 · 物理学 2023-10-13 N. Brun , G. Lambert , L. Bocher