Search Results for author: Xiaoxia Sun

Found 5 papers, 1 papers with code

Supervised Deep Sparse Coding Networks

1 code implementation29 Jan 2017 Xiaoxia Sun, Nasser M. Nasrabadi, Trac. D. Tran

In this paper, we describe the deep sparse coding network (SCN), a novel deep network that encodes intermediate representations with nonnegative sparse coding.

Clustering General Classification

Sparse Coding with Fast Image Alignment via Large Displacement Optical Flow

no code implementations21 Dec 2015 Xiaoxia Sun, Nasser M. Nasrabadi, Trac. D. Tran

Sparse representation-based classifiers have shown outstanding accuracy and robustness in image classification tasks even with the presence of intense noise and occlusion.

Dictionary Learning Image Classification +1

Unsupervised domain adaption dictionary learning for visual recognition

no code implementations3 Jun 2015 Zhun Zhong, Zongmin Li, Runlin Li, Xiaoxia Sun

However, when the data instances of a target domain have a different distribution than that of a source domain, the dictionary learning method may fail to perform well.

Dictionary Learning Domain Adaptation

Task-Driven Dictionary Learning for Hyperspectral Image Classification with Structured Sparsity Constraints

no code implementations3 Feb 2015 Xiaoxia Sun, Nasser M. Nasrabadi, Trac. D. Tran

We propose to enforce structured sparsity priors on the task-driven dictionary learning method in order to improve the performance of the hyperspectral classification.

Dictionary Learning General Classification +1

Structured Priors for Sparse-Representation-Based Hyperspectral Image Classification

no code implementations16 Jan 2014 Xiaoxia Sun, Qing Qu, Nasser M. Nasrabadi, Trac. D. Tran

Pixel-wise classification, where each pixel is assigned to a predefined class, is one of the most important procedures in hyperspectral image (HSI) analysis.

Classification General Classification +1

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