A common framework for curve evolution, segmentation and anisotropic diffusion
J Shah - Proceedings CVPR IEEE computer society conference …, 1996 - ieeexplore.ieee.org
In recent years, curve evolution has developed into an important tool in Computer Vision
and has been applied to a wide variety of problems such as smoothing of shapes, shape …
and has been applied to a wide variety of problems such as smoothing of shapes, shape …
Variational curve skeletons using gradient vector flow
MS Hassouna, AA Farag - IEEE Transactions on Pattern …, 2008 - ieeexplore.ieee.org
Representing a 3D shape by a set of 1D curves that are locally symmetric with respect to its
boundary (ie, curve skeletons) is of importance in several machine intelligence tasks. This …
boundary (ie, curve skeletons) is of importance in several machine intelligence tasks. This …
Extraction of shape skeletons from grayscale images
ZSG Tari, J Shah, H Pien - Computer Vision and Image Understanding, 1997 - Elsevier
Shape skeletons have been used in computer vision to represent shapes and discover their
salient features. Earlier attempts were based on morphological approach in which a shape …
salient features. Earlier attempts were based on morphological approach in which a shape …
Disconnected skeleton: Shape at its absolute scale
We present a new skeletal representation along with a matching framework to address the
deformable shape recognition problem. The disconnectedness arises as a result of …
deformable shape recognition problem. The disconnectedness arises as a result of …
On advances in differential-geometric approaches for 2D and 3D shape analyses and activity recognition
In this paper we summarize recent advances in shape analysis and shape-based activity
recognition problems with a focus on techniques that use tools from differential geometry …
recognition problems with a focus on techniques that use tools from differential geometry …
Curve evolution and segmentation functionals: Application to color images
J Shah - Proceedings of 3rd IEEE International Conference on …, 1996 - ieeexplore.ieee.org
Curve evolution has developed into an important tool in computer vision and has been
applied to a wide variety of problems such as smoothing of shapes, shape analysis and …
applied to a wide variety of problems such as smoothing of shapes, shape analysis and …
Local symmetries of shapes in arbitrary dimension
S Tari, J Shah - … Conference on Computer Vision (IEEE Cat. No …, 1998 - ieeexplore.ieee.org
Motivated by a need to define an object-centered reference system determined by the most
salient characteristics of the shape, many methods have been proposed, all of which directly …
salient characteristics of the shape, many methods have been proposed, all of which directly …
Symmetry maps of free-form curve segments via wave propagation
H Tek, BB Kimia - International Journal of Computer Vision, 2003 - Springer
This paper presents an approach for computing the symmetries (skeletons) of an edge map
consisting of a collection of curve segments. This approach is a combination of analytic …
consisting of a collection of curve segments. This approach is a combination of analytic …
Shocks from images: Propagation of orientation elements
H Tek, PA Stoll, BB Kimia - Proceedings of IEEE Computer …, 1997 - ieeexplore.ieee.org
The extraction of figure symmetry from image contours faces a number of fundamental
difficulties: object symmetries are distorted due to (i) gaps in the bounding contour of a …
difficulties: object symmetries are distorted due to (i) gaps in the bounding contour of a …
Hierarchical shape decomposition via level sets
S Tari - Mathematical Morphology and Its Application to Signal …, 2009 - Springer
A new tool for shape decomposition is presented. It is a function defined on the shape
domain and computed using a linear system of equations. It is demonstrated that the level …
domain and computed using a linear system of equations. It is demonstrated that the level …