DatasetEquity: Are All Samples Created Equal? In The Quest For Equity Within Datasets

Shrivastava, Shubham; Zhang, Xianling; Nagesh, Sushruth; Parchami, Armin

doi:10.1109/iccvw60793.2023.00476

2023 IEEE/CVF International Conference on Computer Vision Workshops (ICCVW) 2023

DOI: 10.1109/iccvw60793.2023.00476

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DatasetEquity: Are All Samples Created Equal? In The Quest For Equity Within Datasets

Shubham Shrivastava,

Xianling Zhang,

Sushruth Nagesh

et al.

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2024

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Change Detection Based on Existing Vector Polygons and Up-to-Date Images Using an Attention-Based Multi-Scale ConvTransformer Network

Wang,

Zhu,

Zheng

et al. 2024

Remote Sensing

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Vector polygons represent crucial survey data, serving as a cornerstone of national geographic censuses and forming essential data sources for detecting geographical changes. The timely update of these polygons is vital for governmental decision making and various industrial applications. However, the manual intervention required to update existing vector polygons using up-to-date high-resolution remote sensing (RS) images poses significant challenges and incurs substantial costs. To address this, we propose a novel change detection (CD) method for land cover vector polygons leveraging high-resolution RS images and deep learning techniques. Our approach begins by employing the boundary-preserved masking Simple Linear Iterative Clustering (SLIC) algorithm to segment RS images. Subsequently, an adaptive cropping approach automatically generates an initial sample set, followed by denoising using the efficient Visual Transformer and Class-Constrained Density Peak-Based (EViTCC-DP) method, resulting in a refined training set. Finally, an enhanced attention-based multi-scale ConvTransformer network (AMCT-Net) conducts fine-grained scene classification, integrating change rules and post-processing methods to identify changed vector polygons. Notably, our method stands out by employing an unsupervised approach to denoise the sample set, effectively transforming noisy samples into representative ones without requiring manual labeling, thus ensuring high automation. Experimental results on real datasets demonstrate significant improvements in model accuracy, with accuracy and recall rates reaching 92.08% and 91.34%, respectively, for the Nantong dataset, and 93.51% and 92.92%, respectively, for the Guantan dataset. Moreover, our approach shows great potential in updating existing vector data while effectively mitigating the high costs associated with acquiring training samples.

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Change Detection Based on Existing Vector Polygons and Up-to-Date Images Using an Attention-Based Multi-Scale ConvTransformer Network

Wang,

Zhu,

Zheng

et al. 2024

Remote Sensing

View full text Add to dashboard Cite

show abstract

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DatasetEquity: Are All Samples Created Equal? In The Quest For Equity Within Datasets

Cited by 1 publication

References 34 publications

Change Detection Based on Existing Vector Polygons and Up-to-Date Images Using an Attention-Based Multi-Scale ConvTransformer Network

Change Detection Based on Existing Vector Polygons and Up-to-Date Images Using an Attention-Based Multi-Scale ConvTransformer Network

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