Automatic ship photo interpretation by the method of moments

FW SMITH FW, Margaret Wright

Research output: Contribution to journalArticle

Abstract

The study used simulated ship images in which the outline of the ship was randomly filled with black and white cells to give a low- resolution high- contrast image of the ship such as might be obtained by a high- resolution radar. The estimates were made using polynomials of invariant moments formed by transformations of the original spatial moments, e. g. , density- invariant moments, central moments, rotation- invariant moments, etc. The transformations to invariant moments were chosen using physical reasoning. The best moments for the polynomials were chosen using linear regression. The performance of the method of moments on these low- resolution images was found to be comparable to that of a human photointerpreter and to certain heuristic techniques that would be more difficult to implement than the method of moments.

Original languageEnglish (US)
Pages (from-to)1089-1095
Number of pages7
JournalIEEE Transactions on Computers
VolumeC-20
Issue number9
StatePublished - Sep 1971

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Moment Invariants
Method of Moments
Method of moments
Ship
Ships
Moment
Polynomials
Central Moments
Rotation Invariant
Polynomial
Image resolution
Linear regression
Radar
High Resolution
Reasoning
Heuristics
Cell
Estimate
Interpretation

ASJC Scopus subject areas

  • Hardware and Architecture
  • Electrical and Electronic Engineering

Cite this

Automatic ship photo interpretation by the method of moments. / SMITH FW, FW; Wright, Margaret.

In: IEEE Transactions on Computers, Vol. C-20, No. 9, 09.1971, p. 1089-1095.

Research output: Contribution to journalArticle

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