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Singapore "I" Vessel Assessment (SIVA)

Computer-aided Integrated Platform for Large-scale Non-invasive Observation of Cardiovascular Disorders Using Retina Image Analysis

In collaboration with SERI, National University of Singapore (NUS) computer scientists developed the Singapore “I” Vessel Assessment (SIVA) software to extract retinal vascular structure and derive quantitative measures from retinal images to describe the retinal vessels' characteristics.

The SIVA software is a user-friendly system with accurate and robust algorithms that can measure the vascular or blood-vessel structure in retinal images automatically.

SIVA is also flexible and intuitive in gathering feedback to enhance the accuracy of vessel measurement and description. SIVA can automatically compute a spectrum of retinal vascular parameters including retinal vascular caliber, tortuosity, branching angle, fractal dimension and junction exponent deviation from retinal fundus photographs to quantify the retinal vasculature. Other automation of SIVA includes retinal vasculature tracing, vessel type classification (venule or arteriole), optic disc detection and position the measured grid following the Atherosclerosis Risk in Communities (ARIC) Study protocol.

 

Robust Speaker Recognition RSR2015 Speech Database

Speech corpus for text-dependent voice biometrics software evaluation

The RSR2015 speech database is a collection of voice data from 300 speakers (143 female and 157 male), with 657 utterances from each speaker. The database contains 151 hours of speech recording in total and occupies approximately 50 GB of storage space. The database has been created for use as a corpus to evaluate the performance of speaker verification engines.

 

DSIMie Overview & Specifications

DSI Mie was developed at the Data Storage Institute (DSI), a research institute of Agency for Science, Technology and Research (A*STAR). It is a unique software package providing solutions for Interdisciplinary Sciences via a robust method involving Simulations of the Exact Electromagnetic Field Distribution (e.g. light scattering process) using the Mie & Particle on Surface theories. This engine of the software is built upon the analytical Mie model (G. Mie, Ann. Phys. (Leipzig), 25, pp.377. 1908) made up of scattering on a single particle, far field scattering and has also been extended to include Particle on Surface (POS) model (P. A. Bobbert and J. Vlieger, Physica, 137A, pp.209-242. 1986). DSI Mie offers the most accurate and reliable simulation results (near-field distribution, far-field scattering cross-section) for light scattering by a spherical object with arbitrary properties, which is immersed in any kind of medium or is located on any substrate surface. With an advanced algorithm applied in the POS module (patent pending), DSI Mie provides state-of-the-art computing performance for any size particle located on any kind of substrate or medium.

TourSG: A Research Dialogue Corpus in the Touristic Domain

TourSG consists of dialogue sessions on touristic information for Singapore. It was collected from Skype calls between actual tour guides and tourists. Two collections are available: one in English (EN-TourSG) and one in Chinese (ZH-TourSG). EN-TourSG comprises 35 dialogue sessions and ZH-TourSG comprises 36 dialogue sessions, with a total length of 21 hours of conversations per language. 

i-MADE: Immersed Boundary Method for Micro-fluidics Advanced Design and Engineering

Providing an efficient numerical solution for analyzing the motion of solid and deformable particles in complex fluid domain using uniform mesh, to support design of microfluidic devices and optimization.