Search Results - "Weldon, T.P."

The effect of boreal jack pine harvest residue retention on soil environment and processes by Webster, K.L., Hazlett, P.W., Brand, G., Nelson, S.A., Primavera, M.J., Weldon, T.P.

“…•Forest residue (“slash”) left after harvest affects soil environment for regenerating forest.•Retention of forest floor most important component in moderating…”
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Assessing Decadal Change in Mineral Soil Cation Chemistry at the Turkey Lakes Watershed by Hazlett, P.W, Curry, J.M, Weldon, T.P

“…Mass balance studies and direct measurement of changes in soil chemistry have provided evidence of depletion of base cations in soils across decadal time…”
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Improved Image Segmentation With A Modified Bayesian Classifier by Weldon, T.P.

“…A method for improving texture segmentation results by slightly modifying the decision surfaces of a Bayesian classifier is presented. Although a Bayesian…”
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Rayleigh and mie enhancement of blackbody radiation in nanoscale devices by Weldon, T.P.

“…A method for suppressing long wavelength radiation in blackbody emission is presented. In particular, Rayleigh and Mie theory are considered for the design…”
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Removal of image segmentation boundary errors using an N-ary morphological operator by Weldon, T.P.

“…In difficult image segmentation problems, multidimensional feature vectors from filter banks provide effective classification within homogeneous regions…”
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Experimental results for a Successive Detection Log Video Amplifier in a single-chip frequency synthesized radio frequency spectrum analyzer by Shoghi, P., Weldon, T.P., Barnwell, C.J.

“…The scarcity of available frequency spectrum continues to motivate the development of new radio systems capable of adapting to local conditions. One approach…”
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Linearization conditions for two and four stage circuit topologies including third order nonlinearities by Weldon, T.P., Geng Ye, Mulagada, R.K.

“…Recently, a novel set of simple conditions were presented for canceling third order nonlinearity in a two-stage amplifier topology. In the present work,…”
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Reduced current class AB radio receiver stages using novel superlinear transistors with parallel NMOS and PMOS transistors at one GHz by Lieu, D.T., Weldon, T.P.

“…Class AB amplifier stages are commonly used to conserve power in radio transmitters. In this paper, a Class AB amplifier stage is investigated for use in radio…”
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Experimental results for an inductively matched microwave amplifier in a standard 0.5 micron CMOS process using four identical spiral inductors by Shoghi, P., Barnwell, C.J., Weldon, T.P.

“…Experimental results are presented for an inductively- matched microwave amplifier design in a standard 0.5 micron CMOS process. For the amplifier design,…”
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Exploiting typical clinical imaging constraints for 3D outer bone surface segmentation by Mack, C., Mogallapu, V., Willis, A., Weldon, T.P.

“…We present a method for extracting outer bone surfaces from a 3D CT (computer tomography) image sequence using a novel segmentation scheme on each image. A 3D…”
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Experimental results at one GHz on linearizing an nMOS transistor with a parallel pMOS transistor by Weldon, T.P., Lieu, D.T., Davis, M.J.

“…A simple circuit consisting of an nMOS transistor in parallel with a pMOS transistor is shown to reduce nonlinear distortion. Measured experimental results…”
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White spruce establishment in two boreal Ontario mixedwoods: 13-year results by Sutton, R.F, Weldon, T.P

“…An experiment to investigate techniques for establishing white spruce (Picea glauca [Moench] Voss) in boreal Ontario mixedwood was begun in 1985 in Oates Twp…”
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Using amplifiers with poor linearity to linearize amplifiers with good linearity by Weldon, T.P., Miehle, K.

“…A new linearization method is presented where a device with poor linearity is combined with a second device having good linearity. The resulting composite…”
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Novel inverse methods in land mine imaging by Weldon, T.P., Gryazin, Y.A., Klibanov, M.V.

“…The imaging of buried land mines continues to present significant signal-processing challenges in the development of inverse methods for the detection of…”
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Design of multiple Gabor filters for texture segmentation by Weldon, T.P., Higgins, W.E.

“…This paper presents a method for the design of multiple Gabor filters for segmenting multi-textured images. Although design methods for a single Gabor filter…”
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Multiscale Rician approach to Gabor filter design for texture segmentation by Weldon, T.P., Higgins, W.E.

“…Gabor filters have been applied successfully to the segmentation of textured images. Previous investigators have used banks of Gabor filters, where the filter…”
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Efficient Gabor filter design using Rician output statistics by Weldon, T.P., Higgins, W.E., Dunn, D.F.

“…Gabor filters have been applied successfully to a broad range of multidimensional signal processing and image processing tasks. The present paper considers the…”
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An algorithm for designing multiple Gabor filters for segmenting multi-textured images by Weldon, T.P., Higgins, W.E.

“…We present an algorithm for the design of multiple Gabor filters for the segmentation of multi-textured images. We draw upon earlier results that provide a…”
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Integrated approach to texture segmentation using multiple Gabor filters by Weldon, T.P., Higgins, W.E.

“…This paper presents an integrated approach using multiple Gabor filters for the segmentation of multi-textured images. The approach includes both the design of…”
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Extracting halftones from printed documents using texture analysis by Dunn, D.F., Weldon, T.P., Higgins, W.E.

“…Separating halftones from text is an important step in document analysis. We present an algorithm that accurately extracts halftones from other information in…”
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