Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Mahes Visvalingam"'
Autor:
Mahes Visvalingam
Publikováno v:
The Cartographic Journal. 55:256-272
There are several open source and commercial implementations of the Visvalingam algorithm for line generalization. The algorithm provides scope for implementation-specific interpretations, with dif...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79ff9c256500096c7063ffeb4025ed8a
https://doi.org/10.1080/00087041.2017.1414017
https://doi.org/10.1080/00087041.2017.1414017
Autor:
Mahes Visvalingam, P.-L. Lesage
Publikováno v:
Computers & Graphics. 26:309-328
This paper reviews some image- and model-based approaches for deriving artistic sketches of terrain surfaces. Using a 3D visualization system for rendering luminance maps of different types of terrain, the project compared four common edge detectors
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39c92c063e86c957ab38429457d7e93e
https://doi.org/10.1016/s0097-8493(02)00058-4
https://doi.org/10.1016/s0097-8493(02)00058-4
Autor:
Kurt Dowson, Mahes Visvalingam
Publikováno v:
The Visual Computer. 17:219-235
This paper seeks to raise visual comparisons beyond subjective opinions into evidence-based visual reasoning. It provides an informal deductive analysis of the marks in sketches derived with two competing line-filtering algorithms. This prompted the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a4f507035cfcb926ce2c3c31aa365898
https://doi.org/10.1007/pl00013407
https://doi.org/10.1007/pl00013407
Autor:
Mahes Visvalingam, C. I. Brown
Publikováno v:
Computers & Graphics. 23:155-167
This paper focuses on the process of deconstruction , which is different from the complementary processes of approximation and generalisation, for deriving representations of curves at different levels of detail. The aim of deconstruction is to disco
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f1485c8f2b10daebc75dc82c5801ecd7
https://doi.org/10.1016/s0097-8493(98)00123-x
https://doi.org/10.1016/s0097-8493(98)00123-x
Autor:
Kurt Dowson, Mahes Visvalingam
Publikováno v:
Computers & Graphics. 22:269-280
The research reported in this paper departs from quantitative and photorealistic visualisations of surfaces, such as terrain, and explores the scope for artistic sketching of terrain. This feasibility study reports on the results obtained using the t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae679d29883b67a194e6c6fd0c418ca4
https://doi.org/10.1016/s0097-8493(98)00037-5
https://doi.org/10.1016/s0097-8493(98)00037-5
Publikováno v:
The Computer Journal. 39:751-756
This paper outlines a strategy for the recognition of prototypical cases of urban roads from their outline forms. Two new form indicators, i.e. exits and occupancy,, are used together with average width, to label regions as roads. The recognition str
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a9aa720e9fe05e99cbe5ecae686b08f
https://doi.org/10.1093/comjnl/39.9.751
https://doi.org/10.1093/comjnl/39.9.751
Autor:
Mahes Visvalingam, Peter J. Williamson
Publikováno v:
Cartography and Geographic Information Science. 22:264-275
This paper reports the results of an in-depth study which investigated two algorithms for line simplification and caricatural generalization (namely, those developed by Douglas and Peucker, and Vis...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da632258b9780a9a726348ed371bd07e
https://doi.org/10.1559/152304095782540249
https://doi.org/10.1559/152304095782540249
Autor:
Mahes Visvalingam, Dominic A. Varley
Publikováno v:
The Computer Journal. 37:3-15
A simpler novel process for extracting roads is outlined in this paper. The procedures which were adopted for checking the consistency of semantic labelling is described. And it discusses the extent to which findings should influence the database mod
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39fb198b03bd2688e671ad6142b8c75a
https://doi.org/10.1093/comjnl/37.1.3
https://doi.org/10.1093/comjnl/37.1.3
Autor:
Mahes Visvalingam, J. D. Whyatt
Publikováno v:
Computer Graphics Forum. 9:213-225
The primary aim of this paper is to illustrate the value of visualization in cartography and to indicate that tools for the generation and manipulation of realistic images are of limited value within this application. This paper demonstrates the valu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::389ca9d6e08ff5462612f04f9c4bd91d
https://doi.org/10.1111/j.1467-8659.1990.tb00398.x
https://doi.org/10.1111/j.1467-8659.1990.tb00398.x
Autor:
Mahes Visvalingam, J. C. Whelan
Publikováno v:
TPCG
The mathematical definition of silhouettes within NPAR is based on the assumption that they are the eye-centered projections of occluding contours on an imaging plane. However, occluding contours are insufficient for sketching the silhouettes of hill
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2231231396643e18d8f239d8d1176af1
https://doi.org/10.1109/tpcg.2003.1206935
https://doi.org/10.1109/tpcg.2003.1206935