Event Title

Application of definiens professional 5 (eCognition) to glacial micromorphology

Description

Micromorphology, an emerging field in glacial geomorphology; investigates sediment patterns at a microscopic level in an attempt to draw additional information and details that macro-scale structures cannot provide. The process of interpreting thin sections is inherently subjective, and reaching general consensus about glacial processes is difficult. Concepts that lie behind technology in object cognition used in other fields, such as landscape ecology, can be applied to micromorphology. Similar to research done to landscape ecology in the past, automating the process of interpreting objects in glacial sediments may potentially simplify and decrease the subjectivity of the process. Definiens Professional 5 is an object-based image analysis program that imitates human cognitive methods. It is used in this study to identify objects apart from background matrices in multiple thin section images of glacial sediments. Initial results indicate that the techniques have the potential to make significant advancements in the field of micromorphology and further refinement is needed for better results. The method is repeatable and generates consistent results with no bias or ambiguity, so the application of this method to micromorphology and other areas alike will be valuable.

Document Type

Event

Start Date

8-3-2008 8:00 AM

Subject - LCSH

Periglacial proceceses; Geomorphology--Methodology

End Date

8-3-2008 5:00 PM

Session

Glacial Studies: Inventory, Resources, Applications

Genre/Form

Abstracts

Type

event

Rights

Copying of this document in whole or in part is allowable only for scholarly purposes. It is understood, however, that any copying or publication of this document for commercial purposes, or for financial gain, shall not be allowed without the author's written permission.

Language

English

Format

application/pdf

Keywords

micromorphology, object-based, remote sensing, cognition

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Mar 8th, 8:00 AM Mar 8th, 5:00 PM

Application of definiens professional 5 (eCognition) to glacial micromorphology

Micromorphology, an emerging field in glacial geomorphology; investigates sediment patterns at a microscopic level in an attempt to draw additional information and details that macro-scale structures cannot provide. The process of interpreting thin sections is inherently subjective, and reaching general consensus about glacial processes is difficult. Concepts that lie behind technology in object cognition used in other fields, such as landscape ecology, can be applied to micromorphology. Similar to research done to landscape ecology in the past, automating the process of interpreting objects in glacial sediments may potentially simplify and decrease the subjectivity of the process. Definiens Professional 5 is an object-based image analysis program that imitates human cognitive methods. It is used in this study to identify objects apart from background matrices in multiple thin section images of glacial sediments. Initial results indicate that the techniques have the potential to make significant advancements in the field of micromorphology and further refinement is needed for better results. The method is repeatable and generates consistent results with no bias or ambiguity, so the application of this method to micromorphology and other areas alike will be valuable.