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open access

Independent Quadtrees

Description: This dissertation deals with the problem of manipulating and storing an image using quadtrees. A quadtree is a tree in which each node has four ordered children or is a leaf. It can be used to represent an image via hierarchical decomposition. The image is broken into four regions. A region can be a solid color (homogeneous) or a mixture of colors (heterogeneous). If a region is heterogeneous it is broken into four subregions, and the process continues recursively until all subregions are homog… more
Date: December 1986
Creator: Atwood, Larry D. (Larry Dale)
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

The Principles of Relational Databases

Description: Every business has to keep records. Sometimes these records have to be presented in a standardized form, or more often they can be arranged in any way that suits the user. Business records are of little use unless they can be referred to quickly, to provide information when it is required. In computer systems it is essential to be able to recognize any particular record in a data file which is a collection of similar records kept on secondary computer storage devices.
Date: August 1986
Creator: Hsu, Chaur-Chun
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Multiple Window Editor

Description: This paper is written to present the design purpose and design process of the Multiple Window Editor. Multiple Window Editor is a software which allows the user to edit or view different files or the same file on the screen by the window facilities provided by this software. All the windows can be dynamically created, changed, moved, and destroyed. The main purpose of this program is to improve the programming environment for the users. The design motivations will be introduced through the comp… more
Date: June 1986
Creator: Alphy, Yu Cherng-Der
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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