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Related papers: A two-stage method for spectral-spatial classifica…

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The two-stage strategy has been widely used in image classification. However, these methods barely take the classification criteria of the first stage into consideration in the second prediction stage. In this paper, we propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2019-09-27 Jianhang Zhou , Shaoning Zeng , Bob Zhang

The land cover classification has played an important role in remote sensing because it can intelligently identify things in one huge remote sensing image to reduce the work of humans. However, a lot of classification methods are designed…

Machine Learning · Computer Science 2020-06-16 Fan Zhang , MinChao Yan , Chen Hu , Jun Ni , Fei Ma

A new denoising algorithm for hyperspectral complex domain data has been developed and studied. This algorithm is based on the complex domain block-matching 3D filter including the 3D Wiener filtering stage. The developed algorithm is…

Image and Video Processing · Electrical Eng. & Systems 2019-12-10 Igor Shevkunov , Vladimir Katkovnik , Daniel Claus , Giancarlo Pedrini , Nikolay Petrov , Karen Egiazarian

The present paper develops a general methodology for the morphological segmentation of hyperspectral images, i.e., with an important number of channels. This approach, based on watershed, is composed of a spectral classification to obtain…

Image and Video Processing · Electrical Eng. & Systems 2020-10-05 Guillaume Noyel , Jesus Angulo , Dominique Jeulin

Spectral variability is one of the major issue when conducting hyperspectral unmixing. Within a given image composed of some elementary materials (herein referred to as endmember classes), the spectral signature characterizing these classes…

Image and Video Processing · Electrical Eng. & Systems 2019-06-26 Tatsumi Uezato , Mathieu Fauvel , Nicolas Dobigeon

A map-guided superpixel segmentation method for hyperspectral imagery is developed and introduced. The proposed approach develops a hyperspectral-appropriate version of the SLIC superpixel segmentation algorithm, leverages map information…

Computer Vision and Pattern Recognition · Computer Science 2017-01-10 Hao Sun , Alina Zare

This paper explores the problem of breast tissue classification of microscopy images. Based on the predominant cancer type the goal is to classify images into four categories of normal, benign, in situ carcinoma, and invasive carcinoma.…

Computer Vision and Pattern Recognition · Computer Science 2018-06-29 Kamyar Nazeri , Azad Aminpour , Mehran Ebrahimi

Hyperspectral image (HSI) classification aims to categorize each pixel in an HSI into a specific land cover class, which is crucial for applications such as remote sensing, environmental monitoring, and agriculture. Although deep…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 Li Pang , Jing Yao , Kaiyu Li , Jun Zhou , Deyu Meng , Xiangyong Cao

In supervised learning with distributional inputs in the two-stage sampling setup, relevant to applications like learning-based medical screening or causal learning, the inputs (which are probability distributions) are not accessible in the…

Machine Learning · Computer Science 2026-01-22 Christian Fiedler

In big data era, the special data with rare characteristics may be of great significations. However, it is very difficult to automatically search these samples from the massive and high-dimensional datasets and systematically evaluate them.…

Instrumentation and Methods for Astrophysics · Physics 2020-05-05 Haifeng Yang , Caixia Qu , Jianghui Cai , Sulan Zhang , Xujun Zhao

It is observed that high classification performance is achieved for one- and two-dimensional signals by using deep learning methods. In this context, most researchers have tried to classify hyperspectral images by using deep learning…

Image and Video Processing · Electrical Eng. & Systems 2022-01-11 Zumray Dokur , Tamer Olmez

Recently, the hyperspectral sensors have improved our ability to monitor the earth surface with high spectral resolution. However, the high dimensionality of spectral data brings challenges for the image processing. Consequently, the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-28 Asma Elmaizi , Hasna Nhaila , Elkebir Sarhrouni , Ahmed Hammouch , Chafik Nacir

Though achieving excellent performance in some cases, current unsupervised learning methods for single image denoising usually have constraints in applications. In this paper, we propose a new approach which is more general and applicable…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Yutong Xie , Mingze Yuan , Bin Dong , Quanzheng Li

Insufficient prior knowledge of a captured hyperspectral image (HSI) scene may lead the experts or the automatic labeling systems to offer incorrect labels or ambiguous labels (i.e., assigning each training sample to a group of candidate…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Shujun Yang , Yu Zhang , Yao Ding , Danfeng Hong

Pixel based algorithms including back propagation neural networks (NN) and support vector machines (SVM) have been widely used for remotely sensed image classifications. Within last few years, deep learning based image classifier like…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Mahesh Pal , Akshay , Himanshu Rohilla , B. Charan Teja

Histopathological image analysis is an essential process for the discovery of diseases such as cancer. However, it is challenging to train CNN on whole slide images (WSIs) of gigapixel resolution considering the available memory capacity.…

Image and Video Processing · Electrical Eng. & Systems 2019-10-11 Shusuke Takahama , Yusuke Kurose , Yusuke Mukuta , Hiroyuki Abe , Masashi Fukayama , Akihiko Yoshizawa , Masanobu Kitagawa , Tatsuya Harada

Most medical image lesion segmentation methods rely on hand-crafted accurate annotations of the original image for supervised learning. Recently, a series of weakly supervised or unsupervised methods have been proposed to reduce the…

Computer Vision and Pattern Recognition · Computer Science 2024-06-24 Jiawei Chen , Dingkang Yang , Yuxuan Lei , Lihua Zhang

This paper examines the performance of a Spatial Pooler (SP) of a Hierarchical Temporal Memory (HTM) in the task of noisy object recognition. To address this challenge, a dedicated custom-designed system based on the SP, histogram…

Computer Vision and Pattern Recognition · Computer Science 2017-03-14 Maciej Wielgosz , Marcin Pietroń

Video denoising is to remove noise from noise-corrupted data, thus recovering true signals via spatiotemporal processing. Existing approaches for spatiotemporal video denoising tend to suffer from motion blur artifacts, that is, the…

Computer Vision and Pattern Recognition · Computer Science 2020-01-23 Ce Wang , S. Kevin Zhou , Zhiwei Cheng

As vision based perception methods are usually built on the normal light assumption, there will be a serious safety issue when deploying them into low light environments. Recently, deep learning based methods have been proposed to enhance…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Junjie Hu , Xiyue Guo , Junfeng Chen , Guanqi Liang , Fuqin Deng , Tin lun Lam