A survey of digital map processing techniques

YY Chiang, S Leyk, CA Knoblock - ACM Computing Surveys (CSUR), 2014 - dl.acm.org
Maps depict natural and human-induced changes on earth at a fine resolution for large
areas and over long periods of time. In addition, maps—especially historical maps—are …

Multi-image matching via fast alternating minimization

X Zhou, M Zhu, K Daniilidis - Proceedings of the IEEE …, 2015 - cv-foundation.org
In this paper we propose a global optimization-based approach to jointly matching a set of
images. The estimated correspondences simultaneously maximize pairwise feature affinities …

A review of recent advances in scanned topographic map processing

T Liu, P Xu, S Zhang - Neurocomputing, 2019 - Elsevier
Historical topographic maps carry huge information of this planet over a very long period.
Geographic information extraction from topographic map (TM) is helpful for understanding …

Automatic feature extraction and text recognition from scanned topographic maps

A Pezeshk, RL Tutwiler - IEEE Transactions on Geoscience and …, 2011 - ieeexplore.ieee.org
A system for automatic extraction of various feature layers and recognition of the text content
of scanned topographic maps is presented here. Linear features which are often intersecting …

Leveraging uncertainty estimation and spatial pyramid pooling for extracting hydrological features from scanned historical topographic maps

S Wu, M Heitzler, L Hurni - GIScience & Remote Sensing, 2022 - Taylor & Francis
Historical maps are almost the exclusive source to trace back the characteristics of earth
before modern earth observation techniques came into being. Processing historical maps is …

Intelligent map reader: A framework for topographic map understanding with deep learning and gazetteer

H Li, J Liu, X Zhou - IEEE Access, 2018 - ieeexplore.ieee.org
Text features in topographic maps are important for helping users to locate the area that a
map covers and to understand the map's content. Previous works on the optical detection of …

A general approach for extracting road vector data from raster maps

YY Chiang, CA Knoblock - … Journal on Document Analysis and Recognition …, 2013 - Springer
Raster maps are easily accessible and contain rich road information; however, converting
the road information to vector format is challenging because of varying image quality …

Colors of the past: color image segmentation in historical topographic maps based on homogeneity

S Leyk, R Boesch - GeoInformatica, 2010 - Springer
A novel approach to color image segmentation (CIS) in scanned archival topographic maps
of the 19th century is presented. Archival maps provide unique information for GIS-based …

A geodesic-preserving method for image warping

D Li, K He, J Sun, K Zhou - Proceedings of the IEEE …, 2015 - openaccess.thecvf.com
The manipulation of panoramic/wide-angle images is usually achieved via image warping.
Though various techniques have been developed for preserving shapes and straight lines …

Assessing the impact of graphical quality on automatic text recognition in digital maps

YY Chiang, S Leyk, NH Nazari, S Moghaddam… - Computers & …, 2016 - Elsevier
Converting geographic features (eg, place names) in map images into a vector format is the
first step for incorporating cartographic information into a geographic information system …