Search Results for author: Liqiu Meng

Found 6 papers, 2 papers with code

Integrating 3D City Data through Knowledge Graphs

no code implementations17 Oct 2023 Linfang Ding, Guohui Xiao, Albulen Pano, Mattia Fumagalli, Dongsheng Chen, Yu Feng, Diego Calvanese, Hongchao Fan, Liqiu Meng

Moreover, embracing KGs makes it easier to integrate with other spatial data sources, e. g., OpenStreetMap and existing (Geo)KGs (e. g., Wikidata, DBPedia, and GeoNames), and to perform queries combining information from multiple data sources.

Knowledge Graphs

Box2Poly: Memory-Efficient Polygon Prediction of Arbitrarily Shaped and Rotated Text

no code implementations20 Sep 2023 Xuyang Chen, Dong Wang, Konrad Schindler, Mingwei Sun, Yongliang Wang, Nicolo Savioli, Liqiu Meng

Recently, Transformer-based text detection techniques have sought to predict polygons by encoding the coordinates of individual boundary vertices using distinct query features.

regression Text Detection

Object Detection in Optical Remote Sensing Images: A Survey and A New Benchmark

1 code implementation31 Aug 2019 Ke Li, Gang Wan, Gong Cheng, Liqiu Meng, Junwei Han

However, the current survey of datasets and deep learning based methods for object detection in optical remote sensing images is not adequate.

Earth Observation Object +2

Feature Selection in Conditional Random Fields for Map Matching of GPS Trajectories

no code implementations2 Sep 2014 Jian Yang, Liqiu Meng

Map matching of the GPS trajectory serves the purpose of recovering the original route on a road network from a sequence of noisy GPS observations.

feature selection

Feature Engineering for Map Matching of Low-Sampling-Rate GPS Trajectories in Road Network

no code implementations2 Sep 2014 Jian Yang, Liqiu Meng

Map matching of GPS trajectories from a sequence of noisy observations serves the purpose of recovering the original routes in a road network.

Feature Engineering

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