English
Related papers

Related papers: Safe Screening for Sparse Conditional Random Field…

200 papers

State-of-the-art approaches for semantic segmentation rely on deep convolutional neural networks trained on fully annotated datasets, that have been shown to be notoriously expensive to collect, both in terms of time and money. To remedy…

Computer Vision and Pattern Recognition · Computer Science 2019-10-31 Anton Obukhov , Stamatios Georgoulis , Dengxin Dai , Luc Van Gool

Convolutional Sparse Coding (CSC) is an increasingly popular model in the signal and image processing communities, tackling some of the limitations of traditional patch-based sparse representations. Although several works have addressed the…

Computer Vision and Pattern Recognition · Computer Science 2017-05-10 Vardan Papyan , Yaniv Romano , Jeremias Sulam , Michael Elad

Scene coordinate regression (SCR) methods have emerged as a promising area of research due to their potential for accurate visual localization. However, many existing SCR approaches train on samples from all image regions, including dynamic…

Computer Vision and Pattern Recognition · Computer Science 2024-09-09 Ting-Ru Liu , Hsuan-Kung Yang , Jou-Min Liu , Chun-Wei Huang , Tsung-Chih Chiang , Quan Kong , Norimasa Kobori , Chun-Yi Lee

We study projection-free methods for functional constrained optimization with convex or smooth nonconvex objectives. Such problems arise in applications such as portfolio optimization and radiation therapy planning, where risk-aware…

Optimization and Control · Mathematics 2026-05-12 Yi Cheng , Guanghui Lan , Saeed Masiha , H. Edwin Romeijn

(This paper was written in November 2011 and never published. It is posted on arXiv.org in its original form in June 2016). Many recent object recognition systems have proposed using a two phase training procedure to learn sparse…

Computer Vision and Pattern Recognition · Computer Science 2016-06-07 Kevin Jarrett , Koray Kvukcuoglu , Karol Gregor , Yann LeCun

High dimensional regression benefits from sparsity promoting regularizations. Screening rules leverage the known sparsity of the solution by ignoring some variables in the optimization, hence speeding up solvers. When the procedure is…

Machine Learning · Statistics 2015-11-19 Eugene Ndiaye , Olivier Fercoq , Alexandre Gramfort , Joseph Salmon

This paper addresses the Kidnapped Robot Problem (KRP), a core localization challenge of relocalizing a robot in a known map without prior pose estimate upon localization loss or at SLAM initialization. For this purpose, a passive 2-D…

Robotics · Computer Science 2026-05-21 Muhua Zhang , Lei Ma , Ying Wu , Kai Shen , Deqing Huang , Henry Leung

To improve the classification performance in the context of hyperspectral image processing, many works have been developed based on two common strategies, namely the spatial-spectral information integration and the utilization of neural…

Computer Vision and Pattern Recognition · Computer Science 2020-06-24 Yi Liang , Xin Zhao , Alan J. X. Guo , Fei Zhu

Latent Diffusion Models (LDMs) produce high-quality, photo-realistic images, however, the latency incurred by multiple costly inference iterations can restrict their applicability. We introduce LatentCRF, a continuous Conditional Random…

Computer Vision and Pattern Recognition · Computer Science 2024-12-25 Kanchana Ranasinghe , Sadeep Jayasumana , Andreas Veit , Ayan Chakrabarti , Daniel Glasner , Michael S Ryoo , Srikumar Ramalingam , Sanjiv Kumar

In the field of face recognition, Sparse Representation (SR) has received considerable attention during the past few years. Most of the relevant literature focuses on holistic descriptors in closed-set identification applications. The…

Computer Vision and Pattern Recognition · Computer Science 2014-12-19 Yongkang Wong , Mehrtash T. Harandi , Conrad Sanderson

Assisting pathologists in the analysis of histopathological images has high clinical value, as it supports cancer detection and staging. In this context, histology foundation models have recently emerged. Among them, Vision-Language Models…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Tiffanie Godelaine , Maxime Zanella , Karim El Khoury , Saïd Mahmoudi , Benoît Macq , Christophe De Vleeschouwer

Spatially Coherent Random Forest (SCRF) extends Random Forest to create spatially coherent labeling. Each split function in SCRF is evaluated based on a traditional information gain measure that is regularized by a spatial coherency term.…

Computer Vision and Pattern Recognition · Computer Science 2015-12-08 Tal Remez , Shai Avidan

Inspired by biological vision systems, the over-complete local features with huge cardinality are increasingly used for face recognition during the last decades. Accordingly, feature selection has become more and more important and plays a…

Computer Vision and Pattern Recognition · Computer Science 2011-02-15 Yixiong Liang , Lei Wang , Yao Xiang , Beiji Zou

Fully-connected Conditional Random Field (CRF) is often used as post-processing to refine voxel classification results by encouraging spatial coherence. In this paper, we propose a new end-to-end training method called Posterior-CRF. In…

Computer Vision and Pattern Recognition · Computer Science 2018-11-09 Shuai Chen , Marleen de Bruijne

Neural Radiance Fields (NeRF) show impressive performance for the photorealistic free-view rendering of scenes. However, NeRFs require dense sampling of images in the given scene, and their performance degrades significantly when only a…

Computer Vision and Pattern Recognition · Computer Science 2023-09-15 Nagabhushan Somraj , Adithyan Karanayil , Rajiv Soundararajan

Vision-language foundation models have exhibited remarkable success across a multitude of downstream tasks due to their scalability on extensive image-text paired data. However, these models also display significant limitations when applied…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Huan Ma , Yan Zhu , Changqing Zhang , Peilin Zhao , Baoyuan Wu , Long-Kai Huang , Qinghua Hu , Bingzhe Wu

Existing methods for interactive segmentation in radiance fields entail scene-specific optimization and thus cannot generalize across different scenes, which greatly limits their applicability. In this work we make the first attempt at…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Songlin Tang , Wenjie Pei , Xin Tao , Tanghui Jia , Guangming Lu , Yu-Wing Tai

This paper introduces Spectral Fault Receptive Fields (SFRFs), a biologically inspired technique for degradation state assessment in bearing fault diagnosis and remaining useful life (RUL) estimation. Drawing on the center-surround…

Neural and Evolutionary Computing · Computer Science 2025-06-17 Stan Muñoz Gutiérrez , Franz Wotawa

We propose a variant of the classical conditional gradient method for sparse inverse problems with differentiable measurement models. Such models arise in many practical problems including superresolution, time-series modeling, and matrix…

Optimization and Control · Mathematics 2015-07-07 Nicholas Boyd , Geoffrey Schiebinger , Benjamin Recht

We consider the maximum likelihood estimation of sparse inverse covariance matrices. We demonstrate that current heuristic approaches primarily encourage robustness, instead of the desired sparsity. We give a novel approach that solves the…

Machine Learning · Statistics 2021-11-08 Dimitris Bertsimas , Jourdain Lamperski , Jean Pauphilet