Positioning and orientation in indoor environments using camera phones
H Hile, G Borriello - IEEE Computer Graphics and Applications, 2008 - ieeexplore.ieee.org
Location technologies provide a way to associate information to a user's location. The
authors developed a system that processes a cell-phone camera image and matches …
authors developed a system that processes a cell-phone camera image and matches …
Performance comparisons of contour-based corner detectors
Corner detectors have many applications in computer vision and image identification and
retrieval. Contour-based corner detectors directly or indirectly estimate a significance …
retrieval. Contour-based corner detectors directly or indirectly estimate a significance …
A Fourier analysis based algorithm to separate touching kernels in digital images
HK Mebatsion, J Paliwal - Biosystems engineering, 2011 - Elsevier
An algorithm to separate touching grain kernels using an elliptic Fourier series
approximation, based on boundary curvature values, is presented. The Fourier …
approximation, based on boundary curvature values, is presented. The Fourier …
Optimized polygonal approximation by dominant point deletion
A Masood - Pattern Recognition, 2008 - Elsevier
An algorithm for polygonal approximation based on dominant point (DP) deletion is
presented in this paper. The algorithm selects an initial set of DPs and starts eliminating …
presented in this paper. The algorithm selects an initial set of DPs and starts eliminating …
Dominant point detection by reverse polygonization of digital curves
A Masood - Image and Vision Computing, 2008 - Elsevier
A polygonal approximation technique using reverse polygonization is presented in this
paper. The reverse polygonization starts from an initial set of dominant points ie break …
paper. The reverse polygonization starts from an initial set of dominant points ie break …
Polygonal approximation of digital planar curves through adaptive optimizations
MT Parvez, SA Mahmoud - Pattern Recognition Letters, 2010 - Elsevier
In this paper, we present a novel non-parametric polygonal approximation algorithm for
digital planar curves. The proposed algorithm first selects a set of points (called cut-points) …
digital planar curves. The proposed algorithm first selects a set of points (called cut-points) …
A novel approach to polygonal approximation of digital curves
A Masood, SA Haq - Journal of Visual Communication and Image …, 2007 - Elsevier
A new approach to polygonal approximation is presented in this paper. It starts from an initial
set of dominant points (break points), where the integral square error from a given shape is …
set of dominant points (break points), where the integral square error from a given shape is …
Corner detection by sliding rectangles along planar curves
A Masood, M Sarfraz - Computers & Graphics, 2007 - Elsevier
A new corner detector for planar curves is presented in this paper. This algorithm finds
corner by sliding set of three rectangles along the curve and counting number of contour …
corner by sliding set of three rectangles along the curve and counting number of contour …
Information overlay for camera phones in indoor environments
H Hile, G Borriello - International Symposium on Location-and Context …, 2007 - Springer
Increasingly, cell phones are used to browse for information while location systems assist in
gathering information that is most appropriate to the user's current location. We seek to take …
gathering information that is most appropriate to the user's current location. We seek to take …
Corner detection algorithms for digital images in last three decades
A Dutta, A Kar, BN Chatterji - IETE Technical Review, 2008 - Taylor & Francis
Corner detection is an important step in many computer vision applications. A large number
of corner detection algorithms were already developed. An exhaustive review of the existing …
of corner detection algorithms were already developed. An exhaustive review of the existing …