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相关论文: Sparse Coding on Stereo Video for Object Detection

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Sparse coding has been popularly used as an effective data representation method in various applications, such as computer vision, medical imaging and bioinformatics, etc. However, the conventional sparse coding algorithms and its manifold…

计算机视觉与模式识别 · 计算机科学 2013-04-04 Jing-Yan Wang

In this paper, we consider convolutional neural networks operating on sparse inputs with an application to depth upsampling from sparse laser scan data. First, we show that traditional convolutional networks perform poorly when applied to…

计算机视觉与模式识别 · 计算机科学 2017-09-01 Jonas Uhrig , Nick Schneider , Lukas Schneider , Uwe Franke , Thomas Brox , Andreas Geiger

Sparse coding has shown its power as an effective data representation method. However, up to now, all the sparse coding approaches are limited within the single domain learning problem. In this paper, we extend the sparse coding to cross…

计算机视觉与模式识别 · 计算机科学 2013-11-28 Jim Jing-Yan Wang

Supervised (pre-)training currently yields state-of-the-art performance for representation learning for visual recognition, yet it comes at the cost of (1) intensive manual annotations and (2) an inherent restriction in the scope of data…

计算机视觉与模式识别 · 计算机科学 2016-12-05 Ruohan Gao , Dinesh Jayaraman , Kristen Grauman

Various convolutional neural networks (CNNs) were developed recently that achieved accuracy comparable with that of human beings in computer vision tasks such as image recognition, object detection and tracking, etc. Most of these networks,…

计算机视觉与模式识别 · 计算机科学 2019-03-20 Tianchen Wang , Jinjun Xiong , Xiaowei Xu , Yiyu Shi

Semi-supervised learning (SSL) provides a powerful framework for leveraging unlabeled data when labels are limited or expensive to obtain. SSL algorithms based on deep neural networks have recently proven successful on standard benchmark…

机器学习 · 计算机科学 2019-05-28 Jiaxing Wang , Yin Zheng , Xiaoshuang Chen , Junzhou Huang , Jian Cheng

Deep convolutional networks have achieved the state-of-the-art for semantic image segmentation tasks. However, training these networks requires access to densely labeled images, which are known to be very expensive to obtain. On the other…

计算机视觉与模式识别 · 计算机科学 2019-02-05 Gaurav Pandey , Ambedkar Dukkipati

Current state-of-the-art classification and detection algorithms rely on supervised training. In this work we study unsupervised feature learning in the context of temporally coherent video data. We focus on feature learning from unlabeled…

计算机视觉与模式识别 · 计算机科学 2015-09-09 Ross Goroshin , Joan Bruna , Jonathan Tompson , David Eigen , Yann LeCun

Hyperspectral imaging systems collect and process information from specific wavelengths across the electromagnetic spectrum. The fusion of multi-spectral bands in the visible spectrum has been exploited to improve face recognition…

计算机视觉与模式识别 · 计算机科学 2019-08-27 Fariborz Taherkhani , Jeremy Dawson , Nasser M. Nasrabadi

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

Providing ground truth supervision to train visual models has been a bottleneck over the years, exacerbated by domain shifts which degenerate the performance of such models. This was the case when visual tasks relied on handcrafted features…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Gabriel Villalonga , Antonio M. Lopez

Sparse coding has been proposed as a theory of visual cortex and as an unsupervised algorithm for learning representations. We show empirically with the MNIST dataset that sparse codes can be very sensitive to image distortions, a behavior…

计算机视觉与模式识别 · 计算机科学 2022-04-18 Kyle Luther , H. Sebastian Seung

We propose a novel algorithm for weakly supervised semantic segmentation based on image-level class labels only. In weakly supervised setting, it is commonly observed that trained model overly focuses on discriminative parts rather than the…

计算机视觉与模式识别 · 计算机科学 2018-01-09 Seunghoon Hong , Donghun Yeo , Suha Kwak , Honglak Lee , Bohyung Han

Dictionary learning and sparse coding have been widely studied as mechanisms for unsupervised feature learning. Unsupervised learning could bring enormous benefit to the processing of hyperspectral images and to other remote sensing data…

图像与视频处理 · 电气工程与系统科学 2022-02-03 Joshua Bruton , Hairong Wang

Most of the approaches for discovering visual attributes in images demand significant supervision, which is cumbersome to obtain. In this paper, we aim to discover visual attributes in a weakly supervised setting that is commonly…

计算机视觉与模式识别 · 计算机科学 2015-04-21 Sukrit Shankar , Vikas K. Garg , Roberto Cipolla

Recently, self-supervised learning has attracted attention due to its remarkable ability to acquire meaningful representations for classification tasks without using semantic labels. This paper introduces a self-supervised learning…

计算机视觉与模式识别 · 计算机科学 2022-02-09 Hyungtae Lee , Heesung Kwon

Convolutional neural networks (CNNs) perform well on problems such as handwriting recognition and image classification. However, the performance of the networks is often limited by budget and time constraints, particularly when trying to…

计算机视觉与模式识别 · 计算机科学 2014-09-23 Benjamin Graham

Because large, human-annotated datasets suffer from labeling errors, it is crucial to be able to train deep neural networks in the presence of label noise. While training image classification models with label noise have received much…

机器学习 · 计算机科学 2019-03-19 Ishan Jindal , Daniel Pressel , Brian Lester , Matthew Nokleby

In this paper, we present a robust method for scene recognition, which leverages Convolutional Neural Networks (CNNs) features and Sparse Coding setting by creating a new representation of indoor scenes. Although CNNs highly benefited the…

计算机视觉与模式识别 · 计算机科学 2017-08-28 Guilherme Nascimento , Camila Laranjeira , Vinicius Braz , Anisio Lacerda , Erickson R. Nascimento

This paper introduces an unsupervised framework to extract semantically rich features for video representation. Inspired by how the human visual system groups objects based on motion cues, we propose a deep convolutional neural network that…

计算机视觉与模式识别 · 计算机科学 2017-07-18 Xunyu Lin , Victor Campos , Xavier Giro-i-Nieto , Jordi Torres , Cristian Canton Ferrer