中文
相关论文

相关论文: Feature extraction using Latent Dirichlet Allocati…

200 篇论文

Introducing explicit constraints on the structural predictions has been an effective way to improve the performance of semantic segmentation models. Existing methods are mainly based on insufficient hand-crafted rules that only partially…

计算机视觉与模式识别 · 计算机科学 2019-07-30 Boxi Wu , Shuai Zhao , Wenqing Chu , Zheng Yang , Deng Cai

We introduce incremental variational inference and apply it to latent Dirichlet allocation (LDA). Incremental variational inference is inspired by incremental EM and provides an alternative to stochastic variational inference. Incremental…

机器学习 · 统计学 2015-07-23 Cedric Archambeau , Beyza Ermis

Dense subgraph extraction is a fundamental problem in graph analysis and data mining, aimed at identifying cohesive and densely connected substructures within a given graph. It plays a crucial role in various domains, including social…

数据结构与算法 · 计算机科学 2024-03-01 Chia-Yang Hung , Chih-Ya Shen

Recently, with the advances made in continuous representation of words (word embeddings) and deep neural architectures, many research works are published in the area of relation extraction and it is very difficult to keep track of so many…

计算与语言 · 计算机科学 2021-09-01 Tapas Nayak , Navonil Majumder , Pawan Goyal , Soujanya Poria

In a regression setting we propose algorithms that reduce the dimensionality of the features while simultaneously maximizing a statistical measure of dependence known as distance correlation between the low-dimensional features and a…

机器学习 · 计算机科学 2017-02-20 Praneeth Vepakomma , Ahmed Elgammal

Latent Dirichlet Allocation (LDA) mining thematic structure of documents plays an important role in nature language processing and machine learning areas. However, the probability distribution from LDA only describes the statistical…

计算与语言 · 计算机科学 2015-06-30 Li-Qiang Niu , Xin-Yu Dai

This paper addresses fast semantic segmentation on video.Video segmentation often calls for real-time, or even fasterthan real-time, processing. One common recipe for conserving computation arising from feature extraction is to propagate…

计算机视觉与模式识别 · 计算机科学 2021-06-09 Shih-Po Lee , Si-Cun Chen , Wen-Hsiao Peng

Distributed dense word vectors have been shown to be effective at capturing token-level semantic and syntactic regularities in language, while topic models can form interpretable representations over documents. In this work, we describe…

计算与语言 · 计算机科学 2016-05-09 Christopher E Moody

Neural network models have recently received heated research attention in the natural language processing community. Compared with traditional models with discrete features, neural models have two main advantages. First, they take…

计算与语言 · 计算机科学 2017-08-25 Jie Yang , Zhiyang Teng , Meishan Zhang , Yue Zhang

In recent years, deep learning has achieved remarkable success in the field of image restoration. However, most convolutional neural network-based methods typically focus on a single scale, neglecting the incorporation of multi-scale…

图像与视频处理 · 电气工程与系统科学 2025-02-27 Jiatao Jiang , Zhen Cui , Chunyan Xu , Jian Yang

In this paper, a novel learning paradigm is presented to automatically identify groups of informative and correlated features from very high dimensions. Specifically, we explicitly incorporate correlation measures as constraints and then…

机器学习 · 计算机科学 2012-07-03 Yiteng Zhai , Mingkui Tan , Ivor Tsang , Yew Soon Ong

The usage of convolutional neural networks (CNNs) for unsupervised image segmentation was investigated in this study. In the proposed approach, label prediction and network parameter learning are alternately iterated to meet the following…

计算机视觉与模式识别 · 计算机科学 2020-08-26 Wonjik Kim , Asako Kanezaki , Masayuki Tanaka

The way that information propagates in neural networks is of great importance. In this paper, we propose Path Aggregation Network (PANet) aiming at boosting information flow in proposal-based instance segmentation framework. Specifically,…

计算机视觉与模式识别 · 计算机科学 2018-09-19 Shu Liu , Lu Qi , Haifang Qin , Jianping Shi , Jiaya Jia

High-resolution image segmentation remains challenging and error-prone due to the enormous size of intermediate feature maps. Conventional methods avoid this problem by using patch based approaches where each patch is segmented…

计算机视觉与模式识别 · 计算机科学 2021-08-27 Fahim Faisal Niloy , M. Ashraful Amin , Amin Ahsan Ali , AKM Mahbubur Rahman

In this thesis, we study multiple tasks related to document layout analysis such as the detection of text lines, the splitting into acts or the detection of the writing support. Thus, we propose two deep neural models following two…

计算机视觉与模式识别 · 计算机科学 2023-01-30 Mélodie Boillet

In this paper, we present a novel feature extraction procedure to predict interval-valued time series by combing transfer learning and imaging approaches. Initially, we represent interval-valued time series using a bivariate point-valued…

应用统计 · 统计学 2025-04-07 Wan Tian , Zhongfeng Qin , Tao Hu

Discriminative features play an important role in image and object classification and also in other fields of research such as semi-supervised learning, fine-grained classification, out of distribution detection. Inspired by Linear…

计算机视觉与模式识别 · 计算机科学 2021-07-14 Mai Lan Ha , Gianni Franchi , Emanuel Aldea , Volker Blanz

When searching the web, it is often possible that there are too many results available for ambiguous queries. Text snippets, extracted from the retrieved pages, are an indicator of the pages' usefulness to the query intention and can be…

信息检索 · 计算机科学 2009-03-24 N. Zotos , P. Tzekou , G. Tsatsaronis , L. Kozanidis , S. Stamou , I. Varlamis

This work studies the problem of learning under both large datasets and large-dimensional feature space scenarios. The feature information is assumed to be spread across agents in a network, where each agent observes some of the features.…

多智能体系统 · 计算机科学 2020-05-26 Bicheng Ying , Kun Yuan , Ali H. Sayed

In this paper, we propose a novel semi-supervised feature selection framework by mining correlations among multiple tasks and apply it to different multimedia applications. Instead of independently computing the importance of features for…

机器学习 · 计算机科学 2017-07-11 Xiaojun Chang , Yi Yang
‹ 上一页 1 8 9 10 下一页 ›