Index Catalog // ScholarsArchive@OSU

The design of an aquatic insect imaging device as part of a system to automate insect classification for biomonitoring

Creator:: Sarpola, Matt J.
Abstract:: Population counts of aquatic insects are a valuable tool for monitoring the water quality of rivers and streams. However, the handling of samples in the lab for species identification is time consuming. An aquatic insect imaging device was designed as part of a system to automate aquatic insect classification and...
Resource Type:: Masters Thesis

New methods for sedimentation and diffusion analysis of macromolecular structure

Creator:: Demeler, Borries
Abstract:: Methods are presented to acquire data from analytical ultracentrifugation experiments by computer using the absorption optical scanning system of the Beckman Model-E ultracentrifuge. A computer program was written which analyzes sedimentation velocity experiments by the van Holde - Weischet method and by the second moment method. The van Holde -...
Resource Type:: Dissertation
Full Text:: Analysis of Macromolecular Structure Abstract approved: Methods are presented to acquire data from

Motion detection algorithm using wavelet transform

Creator:: Lee, Jeongmin
Abstract:: This thesis presents an algorithm that estimates motion in image sequence using wavelet transform. The motion detection is performed under unfavorable conditions of background movement, change of brightness, and noise. The algorithm is tolerant to brightness changes, noise, and small movement in the background. The false alarm rate of motion...
Resource Type:: Masters Thesis
Full Text:: define the edge well, as do derivatives in image processing. Near the object edge in the image, there

Volume-volume matching

Creator:: Sandhu, Avneet
Abstract:: Oftentimes in visualization, the goal of using volume datasets is not just to visualize them but also to analyze and compare them. In order to compare the two volumes, we cannot take all the voxels into consideration. The size of a typical volume data set is quite large (maybe a...
Resource Type:: Masters Thesis
Full Text:: cannot take all the voxels into consideration. The size of a typical volume data set is quite large

Microcomputer-based fluorometric kinetic determination of ascorbic acid and flow injection analysis methods for interference correction and kinetic determinations based on the peak profile

Creator:: Chung, Hyung-Keun
Resource Type:: Dissertation
Full Text:: data processing method for time-varying signals, kinetic methods often provide greater selectivity and

Object highlighting : real-time boundary detection using a Bayesian network

Creator:: Jia, Jin
Abstract:: Image segmentation continues to be a fundamental problem in computer vision and image understanding. In this thesis, we present a Bayesian network that we use for object boundary detection in which the MPE (most probable explanation) before any evidence can produce multiple non-overlapping, non-self-intersecting closed contours and the MPE with...
Resource Type:: Masters Thesis
Full Text:: 3.1 Image Data Preprocessing

Overcoming the singularity problem in digital image restoration

Creator:: Osta, Ahmad M.
Abstract:: A recorded image is a degraded version of an original image. The process of removing the degradations is called restoration. Two types of degradations are considered in this thesis: namely, linear motion and defocused lens blurrings. Using the direct deconvolution technique to restore blurred images is impossible if the blurring...
Resource Type:: Masters Thesis
Full Text:: imagery system is a necessity. When the needed information is available before processing any image

Volume analysis and visualization

Creator:: Khare, Ankit
Abstract:: 3D datasets acquire great importance in the context of medical imaging. In this thesis we survey and enhance solutions to problems inherently associated with 3D datasets-processing time,noise and visualization. Efforts include development of a tool kit to provide a multi-threaded processing platform to cut processing time, produce real time visualization...
Resource Type:: Masters Thesis
Full Text:: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3.4 Image processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 3.4.1 Transfer

Microcomputer controlled chemical and radiochemical separations and analysis

Creator:: Bennett, Casey Wayne
Abstract:: An automated radiochemical flow analysis (ARFA) system was developed which integrates chemical and radiochemical techniques into one system through the use of a microcomputer. The operator, through the microcomputer, controls valves and pumps to transfer sample and reagent solutions to counting loops, ion exchange columns and holdup reservoirs. A Ge(Li)...
Resource Type:: Dissertation
Full Text:: Data Manipulation 123 RESULTS AND DISCUSSION 139 Introduction 139 Extension of Dynamic Range 139

Estimation of wave phase speed and nearshore bathymetry using video techniques

Creator:: Stockdon, Hilary F.
Resource Type:: Masters Thesis
Full Text:: would be capable of easily providing much needed bathymetric data for accurate modeling of nearshore

ScholarsArchive@OSU

The design of an aquatic insect imaging device as part of a system to automate insect classification for biomonitoring

New methods for sedimentation and diffusion analysis of macromolecular structure

Motion detection algorithm using wavelet transform

Volume-volume matching

Microcomputer-based fluorometric kinetic determination of ascorbic acid and flow injection analysis methods for interference correction and kinetic determinations based on the peak profile

Object highlighting : real-time boundary detection using a Bayesian network

Overcoming the singularity problem in digital image restoration

Volume analysis and visualization

Microcomputer controlled chemical and radiochemical separations and analysis

Estimation of wave phase speed and nearshore bathymetry using video techniques

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