106
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SIBGRAPI
15 years 6 months ago
2003 IEEE 
The classical Douglas-Peucker line-simplification algorithm is recognized as the one that delivers the best perceptual representations of the original lines. It is used extensivel...
110
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SIBGRAPI
2003 IEEE Using Efficient Visual Exploration Techniques to Evaluate Features for Content-Based Image Retrieval
15 years 6 months ago
This paper presents a novel visual approach to evaluate, in a fast and effective way, the development of new image feature extraction techniques concerning content-based image ret...
116
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SIBGRAPI
15 years 6 months ago
2003 IEEE 
This paper presents a new approach based on morphological operators for application of biometric identification of individuals by segmentation and analysis of the iris. Algorithms ...
138
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SIBGRAPI
15 years 6 months ago
2003 IEEE 
Creating models of real scenes is a complex task for which the use of traditional modelling techniques is inappropriate. For this task, laser rangefinders are frequently used to s...
124
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SIBGRAPI
15 years 6 months ago
2003 IEEE
Abstract. Authentication watermarking is a hidden data inserted into an image, in order to detect any alterations. It seems to be almost impossible to design a really secure authen...
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Computer Graphics