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CreatorTitleDescriptionSubjectDate
26 Tasdizen, TolgaThree-dimensional alignment and merging of confocal microscopy stacksWe describe an efficient, robust, automated method for image alignment and merging of translated, rotated and flipped confocal microscopy stacks. The samples are captured in both directions (top and bottom) to increase the SNR of the individual slices. We identify the overlapping region of the two s...2013-01-01
27 Mathews, V. JohnPerceptually lossless image compressionThis paper presents an algorithm for perceptually lossless image compression. A compressed image is said to be perceptually lossless for a specified viewing distance if the reconstructed image and the original image appear identical to human observers when viewed from the specified distance. Our app...1998-01-01
28 Tasdizen, TolgaWatershed merge forest classification for electron microscopy image stack segmentationAutomated electron microscopy (EM) image analysis techniques can be tremendously helpful for connectomics research. In this paper, we extend our previous work [1] and propose a fully automatic method to utilize inter-section information for intra-section neuron segmentation of EM image stacks. A wat...2013-01-01
29 Mathews, V. JohnParallel-cascade realizations and approximations of truncated volterra systemsThis paper introduces parallel-cascade realizations of truncated Volterra systems with arbitrary, but finite order of nonlinearity. Parallel-cascade realizations implement higher-order Volterra systems using parallel and multiplicative combinations of lower-order Volterra systems. Such realizations ...1996-01-01
30 Mathews, V. JohnOn the inversion of certain nonlinear systemsIn this letter, we present some theorems for the exact inversion and the pth-order inversion of a wide class of causal, discrete-time, nonlinear systems. The nonlinear systems we consider are described by the input-output relationship y(n) = g[x(n)]h[x(n-1); (n-1)]+f[x(n-1); y(n-1)], here g[], h[; ]...1997-01-01
31 Khan, Faisal HabibOn the design of efficient magnetic coils for the stimulation of peripheral nervesNeural stimulators are the key building blocks of current neuroprosthetic systems, such as cochlear and retinal implants. Due to direct current injections and foreign body reactions, conventional current passing electrodes suffer from reduced performance and reduced lifetimes. However, magnetic fiel...2013-01-01
32 Furse, Cynthia M.Manufacturing considerations for implantable antennasDesign of implantable antennas poses a unique set of challenges since antennas need to be small, biocompatible, and operate in the highly lossy environment of the human body. A recent review identified miniaturization challenges and how they have been managed in a variety of designs. [1] It also not...2013-01-01
33 Furse, Cynthia M.A busy professors guide to sanely flipping your classroomThis paper describes the use of the flipped classroom approach for an Introduction to Electromagnetics course. Video lectures were created on a tablet PC, and uploaded to YouTube. Students watched the videos before coming to class. Class time was used for problem solving strategy (using homework as ...2013-01-01
34 Simpson, Jamesina J.A stochastic FDTD model of electromagnetic wave propagation in magnetized ionospheric plasmaCommunications, surveillance, and navigation capabilities rely heavily on accurate knowledge of electromagnetic (EM) signal propagation characteristics through and reflected by the Earth's ionosphere. Satellite communications, over-the-horizon radar, and target direction finding are a few example ap...2013-01-01
35 Khan, Faisal HabibQuantifying device degradation in live power converters using SSTDR assisted impedance MatrixA noninterfering measurement technique designed around spread spectrum time domain reflectometry (SSTDR) has been proposed in this paper to identify the level of aging associated with power semiconductor switches inside a live converter circuit. Power MOSFETs are one of the most age-sensitive compon...2014-01-01
36 Khan, Faisal HabibEfficiency characterization and impedance modeling of a multilevel switched-capacitor converter using pulse dropping switching schemeApulse dropping switching technique (PDT) has been presented in this paper to accomplish variable conversion ratio (CR) in a multilevel modular capacitor-clamped dc-dc converter in the step-up conversion mode. The switching pattern is generated by comparing a triangular wave with a rectangular wave,...2014-01-01
37 Stevens, KennethInterfacing synchronous and asynchronous domains for open core protocolIntellectual property (IP) blocks are connected in a system on chip using a bus or network-on-chip (NoC). IP reuse is facilitated by the modularity that results when using common interfaces between the IP cores and the bus or NoC. This paper investigates and implements several versions of one of the...2014-01-01
38 Mastrangelo, Carlos H.Electrical characterization of 26 × 26 ground reaction sensor array interfaced with two parallel electronic detection channelsThis paper presents the electrical characterization results of a 26 x 26 high-density ground reaction sensor array (HD-GRSA) interfaced with two parallel electronic detection channels. The system was developed for improving inertial measurement unit (IMU) positioning accuracy. The HD-GRSA is compose...2013-01-01
39 Blair, StevenChannel routing for integrated opticsIncreasing scope and applications of integrated optics necessitates the development of automated techniques for physical design of optical systems. This paper presents an automated, planar channel routing technique for integrated optical waveguides. Integrated optics is a planar technology and lacks...2013-01-01
40 Mastrangelo, Carlos H.An exothermal energy release layer for microchip transienceA single layer nanothermite spin coated gel has been utilized as a solid-state exothermic energy release layer for triggered microchip transience. A proportional combination of self-assembled CuO/Al nanothermite and Napalm-B as gelling agent has been used to develop for the first time a spinable nan...2013-01-01
41 Mastrangelo, Carlos H.A very high density floating electrode flexible sensor array for high-resolution measurements of contact forcesWe present the development, fabrication and testing results of a new high-density flexible sensor array (HDFA) suitable of recording three-axis stresses with high spatial resolution. The new HDFA consists of 676 (26×26) sensing cells fabricated on top of a high-density flex circuit substrate. Each ...2013-01-01
42 Stevens, KennethSymbolic verification of timed asynchronous hardware protocolsCorrect interaction of asynchronous protocols re- quires verification. Timed asynchronous protocols add another layer of complexity to the verification challenge. A methodology and automated tool flow have been developed for verifying systems of timed asynchronous circuits through compositional mode...2013-01-01
43 Mastrangelo, Carlos H.Microfluidic device for triggered chip transienceThis paper presents the fabrication and testing of a microfluidic device for the triggered destruction (transience) of microchips. The device consists of a thin film array of sealed reservoirs patterned on a polymer film. Each reservoir encloses a corrosive chemical agent which upon release dissolve...2013-01-01
44 Stevens, KennethA low power UART design based on asynchronous techniquesAbstract-Universal Asynchronous Receiver Transmitter (UART) implements serial communication between peripherals and remote embedded systems. The UART protocol is defined based on fixed frequencies with a sampling method to achieve robustness under reasonable frequency variations between systems. Suc...2013-01-01
45 Blair, StevenCrossing-aware channel routing for photonic waveguidesAbstract-Silicon photonics technology is progressing at a rapid pace. Despite greatly expanded manufacturing capability, physical design of integrated optical circuits currently lacks the level of automation found in VLSI design. A key component of integrated optic design is waveguide routing; howev...2013-01-01
46 Mastrangelo, Carlos H.Design and characterization of electronic sensing system for a 13 × 13 biomechanical ground reaction sensor arrayThis paper presents the design and characterization of an electronic sensing system interfaced with a high-density flexible biomechanical ground reaction sensor array (GRSA). The prototype system can be incorporated into a personal boot heel to measure real-time ground force, shear strain and sole d...2013-01-01
47 Blair, StevenImplantable devices for optical neural interfacesOptical neural control requires light delivery techniques dependent on the experimental goal and biological model. Several light sources and neural interfaces have been implemented featuring one or more of the fol- lowing criteria: deep illumination, specific and/or com- prehensive access, spectral ...2013-01-01
48 Khan, Faisal HabibMaximum power point tracking of stirling generator and ocean wave energy conversion systems using a two-stage power converterWave energy has become one of the most promising renewable energy resources nowadays. By using a linear generator/alternator, the periodic piston motion of the wave energy conversion system (WEC) can be converted to AC voltage with variable RMS amplitude and frequency; this process is comparable to ...2013-01-01
49 Rieth, Loren WBi-layer encapsulation of Utah array based nerual interfaces by atomic layer deposited Al2O3 and parylene CWe present a novel coating method that combines atomic layer deposited Al2O3 and Parylene C for encapsulation of biomedical implantable devices, focusing on its application on Utah electrode array based neural interfaces. The alumina and Parylene C bi-layer encapsulated wired Utah electrode array sh...2013-01-01
50 Khan, Faisal HabibPV faults: Overview, modeling, prevention and detection techniquesRecent PV faults and subsequent fire-hazards on April 5, 2009, in Bakersfield, California, and April 16, 2011, in Mount Holly, North Carolina provide evidence of a lack of knowledge among PV system manufacturers and installers about different PV faults. The conducted survey within the scope of this ...2013-01-01
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