Search Results for author: Lorenzo Bruzzone

Found 26 papers, 11 papers with code

Adapting Segment Anything Model for Change Detection in HR Remote Sensing Images

1 code implementation4 Sep 2023 Lei Ding, Kun Zhu, Daifeng Peng, Hao Tang, Kuiwu Yang, Lorenzo Bruzzone

In this work, we aim to utilize the strong visual recognition capabilities of VFMs to improve the change detection of high-resolution Remote Sensing Images (RSIs).

Change Detection Interactive Segmentation

Incomplete Multimodal Learning for Remote Sensing Data Fusion

no code implementations22 Apr 2023 Yuxing Chen, Maofan Zhao, Lorenzo Bruzzone

The mechanism of connecting multimodal signals through self-attention operation is a key factor in the success of multimodal Transformer networks in remote sensing data fusion tasks.

Semantic Segmentation

Unsupervised CD in satellite image time series by contrastive learning and feature tracking

no code implementations22 Apr 2023 Yuxing Chen, Lorenzo Bruzzone

In this work, we propose a two-stage approach to unsupervised change detection in satellite image time-series using contrastive learning with feature tracking.

Change Detection Contrastive Learning +1

Joint Spatio-Temporal Modeling for the Semantic Change Detection in Remote Sensing Images

1 code implementation10 Dec 2022 Lei Ding, Jing Zhang, Kai Zhang, Haitao Guo, Bing Liu, Lorenzo Bruzzone

Semantic Change Detection (SCD) refers to the task of simultaneously extracting the changed areas and the semantic categories (before and after the changes) in Remote Sensing Images (RSIs).

Change Detection

Bi-Temporal Semantic Reasoning for the Semantic Change Detection in HR Remote Sensing Images

1 code implementation13 Aug 2021 Lei Ding, Haitao Guo, Sicong Liu, Lichao Mou, Jing Zhang, Lorenzo Bruzzone

Recent studies indicate that the SCD can be modeled through a triple-branch Convolutional Neural Network (CNN), which contains two temporal branches and a change branch.

Change Detection

Self-supervised Remote Sensing Images Change Detection at Pixel-level

no code implementations18 May 2021 Yuxing Chen, Lorenzo Bruzzone

To overcome the effects of regular seasonal changes in binary change maps, we also used an uncertainty method to enhance the temporal robustness of the proposed approach.

Change Detection Contrastive Learning +1

Recent Advances in Domain Adaptation for the Classification of Remote Sensing Data

no code implementations15 Apr 2021 Devis Tuia, Claudio Persello, Lorenzo Bruzzone

The success of supervised classification of remotely sensed images acquired over large geographical areas or at short time intervals strongly depends on the representativity of the samples used to train the classification algorithm and to define the model.

Classification Domain Adaptation +2

Robust Registration of Multimodal Remote Sensing Images Based on Structural Similarity

no code implementations31 Mar 2021 Yuanxin Ye, Jie Shan, Lorenzo Bruzzone, Li Shen

Moreover, a robust registration method is also proposed in this paper based on HOPCncc, which is evaluated using six pairs of multimodal remote sensing images.

Image Registration Template Matching

Deep Reinforcement Learning for Band Selection in Hyperspectral Image Classification

1 code implementation15 Mar 2021 Lichao Mou, Sudipan Saha, Yuansheng Hua, Francesca Bovolo, Lorenzo Bruzzone, Xiao Xiang Zhu

To this end, we frame the problem of unsupervised band selection as a Markov decision process, propose an effective method to parameterize it, and finally solve the problem by deep reinforcement learning.

Classification General Classification +4

Self-supervised Change Detection in Multi-view Remote Sensing Images

1 code implementation10 Mar 2021 Yuxing Chen, Lorenzo Bruzzone

In this approach, a pseudo-Siamese network is trained to regress the output between its two branches pre-trained in a contrastive way on a large dataset of multi-temporal homogeneous or heterogeneous image patches.

Change Detection Earth Observation

Self-supervised SAR-optical Data Fusion and Land-cover Mapping using Sentinel-1/-2 Images

no code implementations9 Mar 2021 Yuxing Chen, Lorenzo Bruzzone

For the land-cover mapping task, we assign each pixel a land-cover class by the joint use of pre-trained features and spectral information of the image itself.

Contrastive Learning Self-Supervised Learning

Adversarial Shape Learning for Building Extraction in VHR Remote Sensing Images

1 code implementation22 Feb 2021 Lei Ding, Hao Tang, Yahui Liu, Yilei Shi, Xiao Xiang Zhu, Lorenzo Bruzzone

To address this issue, we propose an adversarial shape learning network (ASLNet) to model the building shape patterns that improve the accuracy of building segmentation.

Segmentation

Remote Sensing Image Scene Classification with Deep Neural Networks in JPEG 2000 Compressed Domain

no code implementations20 Jun 2020 Akshara Preethy Byju, Gencer Sumbul, Begüm Demir, Lorenzo Bruzzone

This is achieved by taking codestreams associated with the coarsest resolution wavelet sub-band as input to approximate finer resolution sub-bands using a number of transposed convolutional layers.

Classification General Classification +1

DiResNet: Direction-aware Residual Network for Road Extraction in VHR Remote Sensing Images

1 code implementation14 May 2020 Lei Ding, Lorenzo Bruzzone

The binary segmentation of roads in very high resolution (VHR) remote sensing images (RSIs) has always been a challenging task due to factors such as occlusions (caused by shadows, trees, buildings, etc.)

Segmentation

Improving Semantic Segmentation of Aerial Images Using Patch-based Attention

no code implementations20 Nov 2019 Lei Ding, Hao Tang, Lorenzo Bruzzone

High-level features extracted from the late layers of a neural network are rich in semantic information, yet have blurred spatial details; low-level features extracted from the early layers of a network contain more pixel-level information, but are isolated and noisy.

Semantic Segmentation

Multisource and Multitemporal Data Fusion in Remote Sensing

no code implementations19 Dec 2018 Pedram Ghamisi, Behnood Rasti, Naoto Yokoya, Qunming Wang, Bernhard Hofle, Lorenzo Bruzzone, Francesca Bovolo, Mingmin Chi, Katharina Anders, Richard Gloaguen, Peter M. Atkinson, Jon Atli Benediktsson

The sharp and recent increase in the availability of data captured by different sensors combined with their considerably heterogeneous natures poses a serious challenge for the effective and efficient processing of remotely sensed data.

Tensor Alignment Based Domain Adaptation for Hyperspectral Image Classification

no code implementations29 Aug 2018 Yao Qin, Lorenzo Bruzzone, Biao Li

Then we consider the subspace invariance between two domains as projection matrices and original tensors are projected as core tensors with lower dimensions into the invariant tensor subspace by applying Tucker decomposition.

Classification Domain Adaptation +3

Cross-Domain Collaborative Learning via Cluster Canonical Correlation Analysis and Random Walker for Hyperspectral Image Classification

no code implementations29 Aug 2018 Yao Qin, Lorenzo Bruzzone, Biao Li, Yuanxin Ye

To be specific, the proposed CDCL method is an iterative process of three main stages, i. e. twice of RW-based pseudolabeling and cross domain learning via C-CCA.

Domain Adaptation General Classification +1

Fast and Robust Matching for Multimodal Remote Sensing Image Registration

no code implementations19 Aug 2018 Yuanxin Ye, Lorenzo Bruzzone, Jie Shan, Francesca Bovolo, Qing Zhu

To address this problem, this paper presents a fast and robust matching framework integrating local descriptors for multimodal registration.

Computational Efficiency Image Registration +1

Recent Developments from Attribute Profiles for Remote Sensing Image Classification

no code implementations27 Mar 2018 Minh-Tan Pham, Sébastien Lefèvre, Erchan Aptoula, Lorenzo Bruzzone

Morphological attribute profiles (APs) are among the most effective methods to model the spatial and contextual information for the analysis of remote sensing images, especially for classification task.

Attribute Classification +3

Learning Spectral-Spatial-Temporal Features via a Recurrent Convolutional Neural Network for Change Detection in Multispectral Imagery

no code implementations7 Mar 2018 Lichao Mou, Lorenzo Bruzzone, Xiao Xiang Zhu

As far as we know, this is the first time that a recurrent convolutional network architecture has been proposed for multitemporal remote sensing image analysis.

Change Detection Earth Observation

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