Structure-preserving NPR framework for image abstraction and stylization

2021 ◽  
Author(s):  
M. P. Pavan Kumar ◽  
B. Poornima ◽  
H. S. Nagendraswamy ◽  
C. Manjunath
Keyword(s):  
Structure Preserving ◽  
Image Abstraction

Structure Preserving Non-Photorealistic Rendering Framework for Image Abstraction and Stylization of Low-Illuminated and Underexposed Images

2021 ◽  
Vol 11 (2) ◽  
pp. 22-45
Author(s):  
Pavan Kumar ◽  
Poornima B. ◽  
Nagendraswamy H. S. ◽  
Manjunath C.
Keyword(s):  
Structural Features ◽  
Image Features ◽  
Visual Features ◽  
Structure Preserving ◽  
Photorealistic Rendering ◽  
Assessment Techniques ◽  
Contemporary Work ◽  
Image Abstraction ◽  
Future Work ◽  
Background Content

The proposed abstraction framework manipulates the visual-features from low-illuminated and underexposed images while retaining the prominent structural, medium scale details, tonal information, and suppresses the superfluous details like noise, complexity, and irregular gradient. The significant image features are refined at every stage of the work by comprehensively integrating a series of AnshuTMO and NPR filters through rigorous experiments. The work effectively preserves the structural features in the foreground of an image and diminishes the background content of an image. Effectiveness of the work has been validated by conducting experiments on the standard datasets such as Mould, Wang, and many other interesting datasets and the obtained results are compared with similar contemporary work cited in the literature. In addition, user visual feedback and the quality assessment techniques were used to evaluate the work. Image abstraction and stylization applications, constraints, challenges, and future work in the fields of NPR domain are also envisaged in this paper.

Model reduction in power systems using a structure-preserving balanced truncation approach

2019 ◽  
Vol 177 ◽  
pp. 106002
Author(s):  
Johnny Leung ◽  
Michel Kinnaert ◽  
Jean-Claude Maun ◽  
Fortunato Villella
Keyword(s):  
Power Systems ◽  
Model Reduction ◽  
Balanced Truncation ◽  
Structure Preserving

scholarly journals Structure-preserving retargeting of irregular 3D architecture

2011 ◽  
Author(s):  
Jinjie Lin ◽  
Daniel Cohen-Or ◽  
Hao Zhang ◽  
Cheng Liang ◽  
Andrei Sharf ◽  
...  
Keyword(s):  
Structure Preserving ◽  
3D Architecture

Advance in compact structure‐preserving manner to the Rosenau–Kawahara model of shallow‐water wave

2021 ◽  
Author(s):  
Ben Wongsaijai ◽  
Phakdi Charoensawan ◽  
Tanadon Chaobankoh ◽  
Kanyuta Poochinapan
Keyword(s):  
Shallow Water ◽  
Water Wave ◽  
Compact Structure ◽  
Structure Preserving ◽  
Shallow Water Wave

In search of the origin of na in Mavea

2014 ◽  
Vol 38 (4) ◽  
pp. 690-716
Author(s):  
Valérie Guérin
Keyword(s):  
Common Noun ◽  
Language Family ◽  
Structural Requirements ◽  
Structure Preserving ◽  
Syntactic Change

Reflexes of the Proto-Oceanic common noun marker *na are found throughout the Oceanic language family. In Mavea, there is a morpheme na but it no longer partakes in the determiner system and is best analyzed synchronically as a preposition. This paper argues that today’s preposition is a reflex of the Proto-Oceanic common noun marker *na. Locative constructions are shown to provide a critical context conducive to the reanalysis of *na. Reanalysis has long been established as a mechanism of syntactic change, yet the factors motivating it remain a matter for debate. The dominant view is that reanalysis is driven by pragmatic factors. A rarely voiced view is that it is driven by structural requirements. The data adduced in this paper lend support to a model of syntactic change which can be structure-preserving in nature.

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