Search Results for author: Chia-Yu Hsu

Found 7 papers, 1 papers with code

GeoAI Reproducibility and Replicability: a computational and spatial perspective

no code implementations15 Apr 2024 Wenwen Li, Chia-Yu Hsu, Sizhe Wang, Peter Kedron

We then discuss the factors that may cause the lack of R&R in GeoAI research, with an emphasis on (1) the selection and use of training data; (2) the uncertainty that resides in the GeoAI model design, training, deployment, and inference processes; and more importantly (3) the inherent spatial heterogeneity of geospatial data and processes.

Segment Anything Model Can Not Segment Anything: Assessing AI Foundation Model's Generalizability in Permafrost Mapping

no code implementations16 Jan 2024 Wenwen Li, Chia-Yu Hsu, Sizhe Wang, Yezhou Yang, Hyunho Lee, Anna Liljedahl, Chandi Witharana, Yili Yang, Brendan M. Rogers, Samantha T. Arundel, Matthew B. Jones, Kenton McHenry, Patricia Solis

To evaluate the performance of large AI vision models, especially Meta's Segment Anything Model (SAM), we implemented different instance segmentation pipelines that minimize the changes to SAM to leverage its power as a foundation model.

Instance Segmentation Semantic Segmentation

Assessment of a new GeoAI foundation model for flood inundation mapping

no code implementations25 Sep 2023 Wenwen Li, Hyunho Lee, Sizhe Wang, Chia-Yu Hsu, Samantha T. Arundel

Vision foundation models are a new frontier in Geospatial Artificial Intelligence (GeoAI), an interdisciplinary research area that applies and extends AI for geospatial problem solving and geographic knowledge discovery, because of their potential to enable powerful image analysis by learning and extracting important image features from vast amounts of geospatial data.

Representation Learning

Real-time GeoAI for High-resolution Mapping and Segmentation of Arctic Permafrost Features

no code implementations8 Jun 2023 Wenwen Li, Chia-Yu Hsu, Sizhe Wang, Chandi Witharana, Anna Liljedahl

This paper introduces a real-time GeoAI workflow for large-scale image analysis and the segmentation of Arctic permafrost features at a fine-granularity.

Instance Segmentation Position +2

Explainable GeoAI: Can saliency maps help interpret artificial intelligence's learning process? An empirical study on natural feature detection

1 code implementation16 Mar 2023 Chia-Yu Hsu, Wenwen Li

This paper compares popular saliency map generation techniques and their strengths and weaknesses in interpreting GeoAI and deep learning models' reasoning behaviors, particularly when applied to geospatial analysis and image processing tasks.

Object Recognition

Learning from Counting: Leveraging Temporal Classification for Weakly Supervised Object Localization and Detection

no code implementations6 Mar 2021 Chia-Yu Hsu, Wenwen Li

This paper reports a new solution of leveraging temporal classification to support weakly supervised object detection (WSOD).

General Classification Object +3

Generation of sub-MHz and spectrally-bright biphotons from hot atomic vapors with a phase mismatch-free scheme

no code implementations9 Dec 2020 Chia-Yu Hsu, Yu-Sheng Wang, Jia-Mou Chen, Fu-Chen Huang, Yi-Ting Ke, Emily Kay Huang, Weilun Hung, Kai-Lin Chao, Shih-Si Hsiao, Yi-Hsin Chen, Chih-Sung Chuu, Ying-Cheng Chen, Yong-Fan Chen, Ite A. Yu

The generation rate per linewidth of the 610-kHz biphoton source is 1, 500 pairs/(s$\cdot$MHz), which is the best result of all the sub-MHz biphoton sources in the literature.

Quantum Physics

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