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This article revisits the problem of Bayesian shape-restricted inference in the light of a recently developed approximate Gaussian process that admits an equivalent formulation of the shape constraints in terms of the basis coefficients. We…

统计方法学 · 统计学 2019-02-14 Pallavi Ray , Debdeep Pati , Anirban Bhattacharya

To better select the correct training sample and obtain the robust representation of the query sample, this paper proposes a discriminant-based sparse optimization learning model. This learning model integrates discriminant and sparsity…

计算机视觉与模式识别 · 计算机科学 2017-12-06 Qingxiang Feng , Yicong Zhou

Sparse functional data frequently arise in real-world applications, posing significant challenges for accurate classification. To address this, we propose a novel classification method that integrates functional principal component analysis…

统计计算 · 统计学 2025-03-17 Ahmad Talafha

In this paper, a novel model-based distributed compressive sensing (DCS) algorithm is proposed. DCS exploits the inter-signal correlations and has the capability to jointly recover multiple sparse signals. Proposed approach is a Bayesian…

信号处理 · 电气工程与系统科学 2020-10-19 Razieh Torkamani , Hadi Zayyani , Ramazan Ali Sadeghzadeh

Many state-of-the-art trackers usually resort to the pretrained convolutional neural network (CNN) model for correlation filtering, in which deep features could usually be redundant, noisy and less discriminative for some certain instances,…

计算机视觉与模式识别 · 计算机科学 2019-08-06 Chenglong Li , Yan Huang , Liang Wang , Jin Tang , Liang Lin

Discriminative correlation filters (DCF) with deep convolutional features have achieved favorable performance in recent tracking benchmarks. However, most of existing DCF trackers only consider appearance features of current frame, and…

计算机视觉与模式识别 · 计算机科学 2018-02-28 Zheng Zhu , Wei Wu , Wei Zou , Junjie Yan

The Internet as a whole does not use secure links, thus information in transit may be vulnerable to interruption as well. The important of reducing a chance of the information being detected during the transmission is being an issue in the…

多媒体 · 计算机科学 2012-05-15 Yusuf Perwej , Firoj Parwej , Asif Perwej

Sparse coding is a proven principle for learning compact representations of images. However, sparse coding by itself often leads to very redundant dictionaries. With images, this often takes the form of similar edge detectors which are…

计算机视觉与模式识别 · 计算机科学 2015-03-19 James Bergstra , Aaron Courville , Yoshua Bengio

A fundamental problem faced by object recognition systems is that objects and their features can appear in different locations, scales and orientations. Current deep learning methods attempt to achieve invariance to local translations via…

计算机视觉与模式识别 · 计算机科学 2017-12-12 Dimitrios C. Gklezakos , Rajesh P. N. Rao

The Naive-Bayes classifier is widely used due to its simplicity, speed and accuracy. However this approach fails when, for at least one attribute value in a test sample, there are no corresponding training samples with that attribute value.…

机器学习 · 计算机科学 2022-05-31 Patrick Hosein , Kevin Baboolal

Bayesian shrinkage methods have generated a lot of recent interest as tools for high-dimensional regression and model selection. These methods naturally facilitate tractable uncertainty quantification and incorporation of prior information.…

统计计算 · 统计学 2017-04-17 Bala Rajaratnam , Doug Sparks , Kshitij Khare , Liyuan Zhang

Discriminative features extracted from the sparse coding model have been shown to perform well for classification. Recent deep learning architectures have further improved reconstruction in inverse problems by considering new dense priors…

信息论 · 计算机科学 2026-03-27 Abiy Tasissa , Emmanouil Theodosis , Bahareh Tolooshams , Demba Ba

Distortion rectification is often required for fisheye images. The generation-based method is one mainstream solution due to its label-free property, but its naive skip-connection and overburdened decoder will cause blur and incomplete…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Shangrong Yang , Chunyu Lin , Kang Liao , Chunjie Zhang , Yao Zhao

The United States Bureau of Labor Statistics collects data using survey instruments under informative sampling designs that assign probabilities of inclusion to be correlated with the response. The bureau extensively uses Bayesian…

统计方法学 · 统计学 2017-10-26 Terrance D. Savitsky , Sanvesh Srivastava

Nonlocal self-similarity and group sparsity have been widely utilized in image compressive sensing (CS). However, when the sampling rate is low, the internal prior information of degraded images may be not enough for accurate restoration,…

计算机视觉与模式识别 · 计算机科学 2019-01-24 Lizhao Li , Song Xiao

Over the past few years, dictionary learning (DL)-based methods have been successfully used in various image reconstruction problems. However, traditional DL-based computed tomography (CT) reconstruction methods are patch-based and ignore…

Variational Autoencoders (VAEs) are powerful generative models for learning latent representations. Standard VAEs generate dispersed and unstructured latent spaces by utilizing all dimensions, which limits their interpretability, especially…

计算机视觉与模式识别 · 计算机科学 2025-05-21 Farshad Sangari Abiz , Reshad Hosseini , Babak N. Araabi

In this paper, we study weakly-supervised laparoscopic image segmentation with sparse annotations. We introduce a novel Bayesian deep learning approach designed to enhance both the accuracy and interpretability of the model's segmentation,…

计算机视觉与模式识别 · 计算机科学 2024-10-14 Zhou Zheng , Yuichiro Hayashi , Masahiro Oda , Takayuki Kitasaka , Kensaku Mori

Recent methods for deep metric learning have been focusing on designing different contrastive loss functions between positive and negative pairs of samples so that the learned feature embedding is able to pull positive samples of the same…

计算机视觉与模式识别 · 计算机科学 2022-11-08 Shichao Kan , Zhiquan He , Yigang Cen , Yang Li , Vladimir Mladenovic , Zhihai He

When computer codes are used for modeling complex physical systems, their unknown parameters are tuned by calibration techniques. A discrepancy function may be added to the computer code in order to capture its discrepancy with the real…

统计方法学 · 统计学 2019-03-11 Kaniav Kamary , Merlin Keller , Pierre Barbillon , Cédric Gœury , Éric Parent