Search Results - "Cahill, L.W"

The study of logarithmic image processing model and its application to image enhancement by Deng, G., Cahill, L.W., Tobin, G.R.

“…Describes a new implementation of Lee's (1980) image enhancement algorithm. This approach, based on the logarithmic image processing (LIP) model, can…”
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Comparative digestion in sheep and cattle fed different forage to concentrate ratios at high and low intakes by Colucci, P E, Macleod, G K, Grovum, W L, Cahill, L W, McMillan, I

“…Effect of maintenance and ad libitum intakes on digestibility of different feed fractions was studied with six ruminally fistulated cows and six ruminally…”
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DIGESTION, DIGESTA PASSAGE AND CHEWING BEHAVIOR IN BACTRIAN CAMELS by Cahill, L.W, McBride, B.W, Groenewegen, P, Hancock, R.G.V

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The analysis and design of MMI structures using analytical and semianalytical models by Cahill, L.W.

“…Low order multimode interference (MMI) structures have found wide application in optical communication systems and optical integrated circuits. However, as the…”
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Optical Switching Using Cascaded Generalised Mach-Zehnder Switches by Cahill, L.W.

“…Optical switches based on planar lightwave technology offer stable and robust means of achieving space-division switching. One form of integrated switch that…”
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Optical switches based on the generalized Mach-Zehnder interferometer by Cahill, L.W., Payne, F.P.

“…A brief outline of the switching capabilities of the generalized Mach-Zehnder interferometer has been given. This study has led to the design of a novel 4/spl…”
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An ATM cell format and media access protocol for a network of switch-interconnected shared-medium ATM rings by Cummings, A.J., Cahill, L.W.

“…The asynchronous transfer mode ring (ATMR) protocol suffers from addressing and latency-related limitations when applied to large networks. This paper proposes…”
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The design of multimode interference couplers with arbitrary power splitting ratios on an SOI platform by Le, T.T., Cahill, L.W.

“…A method for obtaining variable power splitting ratios using multimode interference couplers is presented. The method relies on etching the surface on either…”
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Optical signal processing using MMI elements by Cahill, L.W., Le, T.T.

“…In the past, multimode interference (MMI) devices mostly have been used as couplers, combiners and simple switches. Recently, there has been much research…”
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Hg/sub 1-x/Cd/sub x/Te metal-semiconductor-metal (MSM) photodetectors by Leech, P.W., Stumpf, E., Petkovic, N., Cahill, L.W.

“…Metal-semiconductor-metal (MSM) detectors with active layers of Hg/sub 1-x/Cd/sub x/Te (x=0.62-0.74) and electrode spacings of 2, 4, and 6 mu m have been…”
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Switching properties of generalized Mach-Zehnder photonic switches by Cahill, L.W., Payne, F.P.

“…Mach-Zehnder photonics switches have the desirable attributes of good power balance and the absence of external crossovers. In this paper, the switching…”
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Photonic Signal Processing Using MMI Coupler-Based Microring Resonators by Le, T.T., Cahill, L.W.

“…Some novel configurations for microring resonators, based on MMI couplers, that are suitable for photonic signal processing applications. A number of relevant…”
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Microresonators based on 3x3 restricted interference MMI couplers on an SOI platform by Trung-Thanh Le, Cahill, L.W.

“…In this paper, new microresonator structures based on 3 times 3 multimode interference (MMI) coupler on the silicon on insulator (SOI) platform are presented…”
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The design of SOI-MMI couplers with arbitrary power splitting ratios using slotted waveguide structures by Le, T.-T., Cahill, L.W.

“…Optical couplers having arbitrary splitting ratios are useful in a range of communications and sensing applications. In this paper, it is shown that SOI-MMI…”
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An overview of logarithm-based image processing techniques for biomedical applications by Cahill, L.W., Deng, G.

“…Logarithm-based image processing methods are of interest since they have the capability to enhance low-contrast images. This paper presents an overview of the…”
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Isotropic quadratic filter design using the Walsh-Hadamard transform by Deng, G., Cahill, L.W.

“…The problems associated with applying the Walsh-Hadamard transform to the design and implementation of the isotropic quadratic filter are addressed. We examine…”
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An adaptive Gaussian filter for noise reduction and edge detection by Deng, G., Cahill, L.W.

“…Gaussian filtering has been intensively studied in image processing and computer vision. Using a Gaussian filter for noise suppression, the noise is smoothed…”
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MMI Devices for Photonic Signal Processing by Cahill, L.W., Thanh Trung Le

“…Low order MMI (multimode interference) devices are now being employed as integrated components of photonic filter circuits such as ring resonators. This paper…”
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Analysis and Design of Tunable Wavelength Selective Switches Based on MMI Assisted Microring Resonators by Thanh Trung Le, Cahill, L.W.

“…The paper proposes a novel structure of tunable wavelength selective electro-optic switches based on MMI assisted microring resonators (MRs). Tunable couplers…”
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A new approach for the restoration of noisy blurred images by Tang, H., Cahill, L.W.

“…An effective practical approach for restoring an image that has been distorted by a linear system is presented. An adaptive average differential iterative…”
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