TL;DR
ShadeBench is a comprehensive dataset and benchmark designed to facilitate urban shade understanding, supporting tasks like shade generation, segmentation, and 3D reconstruction to aid climate research and urban planning.
Contribution
It introduces a large-scale, multimodal dataset with evaluation protocols, enabling systematic analysis of urban shade for the first time.
Findings
Provides diverse urban scenes with simulated shade maps and imagery.
Establishes standardized evaluation protocols and baseline methods.
Supports multiple downstream tasks related to urban shade analysis.
Abstract
Urban heat exposure is becoming an increasingly critical challenge due to the intensifying urban heat island effect. Fine-grained shade patterns, especially those induced by urban buildings, strongly influence pedestrians' thermal exposure and outdoor activity planning. However, accurately modeling and analyzing urban shade at scale remains difficult because of the lack of large-scale datasets and systematic evaluation frameworks. To address this challenge, we present ShadeBench, a comprehensive dataset and benchmark for urban shade understanding. ShadeBench contains geographically diverse urban scenes with temporally varying simulated shade maps and textual descriptions, together with aligned satellite imagery, building skeleton representations, and 3D building meshes. Built upon this multimodal dataset, ShadeBench supports a range of downstream tasks, including shade generation, shade…
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