Scribble vectorization using concentric sampling circles

A Bonnici, KP Camilleri - 2009 Third International Conference …, 2009 - ieeexplore.ieee.org
In this paper we introduce a path extraction algorithm for multi-stroke scribbled paths by
making use of path-centred concentric sampling circles. Circle and line geometry is then …

Sampling on concentric circles [MRI image reconstruction application]

NE Myridis, C Chamzas - IEEE transactions on medical …, 1998 - ieeexplore.ieee.org
… For our examples we choose N = 32 concentric circles. The second question is how many
samples, M; do we need on each concentric circle? For the uniform sampling, we must apply (4…

Sampling of the NMR time domain along concentric rings

BE Coggins, P Zhou - Journal of Magnetic Resonance, 2007 - Elsevier
… approach to sampling the NMR time domain, whereby the sampling points are aligned on
concentric rings, which we term concentric ring sampling (CRS). Radial sampling constitutes a …

Concentric circle scanning system for large-area and high-precision imaging

X Du, B Anthony - Optics Express, 2015 - opg.optica.org
… direction along each circle, we have the concentric circle scan time (refer to Appendix A), …
Additionally, our CCTS has sample numbers progressively increasing with the radii of outer …

Concentric circular trajectory sampling for super-resolution and image mosaicing

X Du, N Kojimoto, BW Anthony - JOSA A, 2015 - opg.optica.org
concentric circular trajectory sampling (OCCTS) method to acquire image information uniformly
at fast sampling … quadrants of the sampling simulation result using red circles to represent …

Fast NMR imaging by concentric sampling

GC Kashmar, O Nalcioglu… - IEEE Transactions on …, 1986 - ieeexplore.ieee.org
… Ihe current approach differs from the LIPR method in that the free induction decay (FID)
signal is sampled around concentric circles instead of along radial lines as is the case with the …

Evaluation of the concentric-circles method for estimating capillary-tissue diffusion distances

SR Kayar, PG Archer, AJ Lechner, N Banchero - Microvascular Research, 1982 - Elsevier
… , with 12 sets of concentric circles. Dark spots are capillaries … in diameter: concentric circles
have approximate diameters … of sampling it is preferable to position as many sets of circles as …

Solutions and evaluations for fitting of concentric circles

AA Al-Sharadqah, DKC Ho - Signal Processing, 2016 - Elsevier
… of the common center and the radii for the concentric circles. In addition, two numerical
schemes for conic fitting are extended to the concentric circles fitting problem, as well as several …

Around and around: The concentric circles method as a powerful tool to collect mixed method network data

S Van Waes, P Van den Bossche - Mixed methods social network …, 2019 - taylorfrancis.com
… This so-called concentric circles method (CC method) concerns … on how the concentric circles
method can be adopted. … own work (using three concentric circles combined with the sticky-…

A fast and accurate circle detection algorithm based on random sampling

L Jiang - Future Generation Computer Systems, 2021 - Elsevier
… two concentric circles whose center coordinates are (a, b), and radii are r+ T 2 and r- T 2 ,
respectively, is defined as the random sampling area for the phase of searching for true circle. …