User profiles for Badrinath Roysam

Badrinath Roysam, FIEEE, FAIMBE

ECE Department, University of Houston
Verified email at uh.edu
Cited by 18157

Image change detection algorithms: a systematic survey

…, S Andra, O Al-Kofahi, B Roysam - IEEE transactions on …, 2005 - ieeexplore.ieee.org
Detecting regions of change in multiple images of the same scene taken at different times is
of widespread interest due to a large number of applications in diverse disciplines, including …

Adult SVZ stem cells lie in a vascular niche: a quantitative analysis of niche cell-cell interactions

…, G Lin, SM Chuang, SK Goderie, B Roysam… - Cell stem cell, 2008 - cell.com
There is an emerging understanding of the importance of the vascular system within stem
cell niches. Here, we examine whether neural stem cells (NSCs) in the adult subventricular …

Improved automatic detection and segmentation of cell nuclei in histopathology images

…, W Lassoued, W Lee, B Roysam - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
Automatic segmentation of cell nuclei is an essential step in image cytometry and histometry.
Despite substantial progress, there is a need to improve accuracy, speed, level of …

A hyperfused mitochondrial state achieved at G1–S regulates cyclin E buildup and entry into S phase

K Mitra, C Wunder, B Roysam, G Lin… - Proceedings of the …, 2009 - National Acad Sciences
Mitochondria undergo fission–fusion events that render these organelles highly dynamic in
cells. We report a relationship between mitochondrial form and cell cycle control at the G 1 –…

Rapid automated tracing and feature extraction from retinal fundus images using direct exploratory algorithms

…, JN Turner, HL Tanenbaum, B Roysam - IEEE Transactions …, 1999 - ieeexplore.ieee.org
Algorithms are presented for rapid, automatic, robust, adaptive, and accurate tracing of
retinal vasculature and analysis of intersections and crossovers. This method improves upon …

Biological imaging software tools

…, RF Murphy, H Peng, AL Plant, B Roysam… - Nature …, 2012 - nature.com
Few technologies are more widespread in modern biological laboratories than imaging. Recent
advances in optical technologies and instrumentation are providing hitherto unimagined …

The dual-bootstrap iterative closest point algorithm with application to retinal image registration

CV Stewart, CL Tsai, B Roysam - IEEE transactions on medical …, 2003 - ieeexplore.ieee.org
Motivated by the problem of retinal image registration, this paper introduces and analyzes a
new registration algorithm called Dual-Bootstrap Iterative Closest Point (Dual-Bootstrap ICP)…

A hybrid 3D watershed algorithm incorporating gradient cues and object models for automatic segmentation of nuclei in confocal image stacks

…, JF Guzowski, CA Barnes, B Roysam - Cytometry Part A: the …, 2003 - Wiley Online Library
Background Automated segmentation of fluorescently‐labeled cell nuclei in 3D confocal
microscope images is essential to many studies involving morphological and functional analysis…

A feature-based, robust, hierarchical algorithm for registering pairs of images of the curved human retina

A Can, CV Stewart, B Roysam… - IEEE transactions on …, 2002 - ieeexplore.ieee.org
This paper describes a robust hierarchical algorithm for fully-automatic registration of a pair
of images of the curved human retina photographed by a fundus microscope. Accurate …

Adult SVZ lineage cells home to and leave the vascular niche via differential responses to SDF1/CXCR4 signaling

…, S Goderie, Y Wang, S Lotz, G Lin, Y Sun, B Roysam… - Cell stem cell, 2010 - cell.com
Neural progenitor cells (NPCs) in the adult subventricular zone (SVZ) are associated with
ependymal and vasculature niches, which regulate stem cell self-renewal and differentiation. …