An APL pattern-directed module for bidimensional data analysis

Bianchi, Silvana Anna; Mussio, Piero; Ventura, Andrea; Rampini, A.; Dell'Oca, Maurizio

doi:10.1145/390007.805335

Cited by 7 publications

(3 citation statements)

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“…Jt bas loll8 been recognized that APL is the obvious tool for the definition and description of the algorithms computing these properties and used in such activities as ima&e proce:;sing [Br80), analysis of pictorial data [Bi81) or vision experiments [Fe88].…”

Section: 1ntroductionmentioning

confidence: 99%

“…The visibility codes are therefore equal to those of the pixels in the beginning (cod) of the seed and who6e coordinates nearly lie on an arc. Let us suppose that the interpreter INM bas found a candidate seed with the technique described in (Bi81). It is now necessary to cbeck that the seed has the proper geometrical configuration and that an afferent-efferent couple exists, whose extension is a priori unknown, as stated by WFA : (WRS' w r(CURVE AFFERENT w r (CURVE EFFERENT w ) , where w is the order number in T of the first element of the seed.…”

Section: Looking For Candidatesmentioning

confidence: 99%

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Definition of image interpretation strategies in APL

BottoniP.

MussioP.

ProttiM.

1990

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VI& Viotti 5 20133 Milano, ITALY ~epeatable, criticizable and improvable. Tbe remainder of the paper ia orpnized as follows. Section D introduces the concept of intepretation strategy and the elementary operations composing it. Section m discusses an example, while in eection IV different aegmentation substrategies and 10111e basic image proc:essing operators are discusaed. In section V a strategy APL90

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Section: 1ntroductionmentioning

confidence: 99%

Section: Looking For Candidatesmentioning

confidence: 99%

Definition of image interpretation strategies in APL

BottoniP.

MussioP.

ProttiM.

1990

SIGAPL APL Quote Quad

View full text Add to dashboard Cite

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“…This paper shows how such a mechanism can be implemented in APL and discusses the architecture of a rule-based system which develops the system presented in [14]. the strategy to interpret the images at hand.…”

Section: Introductionmentioning

confidence: 99%

An APL rule-based system architecture for image interpretation strategies

BottoniP.

ProttiM.

MussioP.

1991

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APL is both a language of choice for image processing and image description tasks, and a language for artificial intelligence applications, typically expert systems. The paper presents the architecture of an APL rule-based system for realizing description synthesis strategies i.e., sequences of actions which allow the evaluation and interpretation of the properties of structures detected in an image. Descriptions of images are stored in a data structure which is formally presented in APL2 syntax. Describing an image often requires that reflective actions be taken i.e., actions in which the system examines the state of the computation and its internal state to select the next action to be executed. It is shown how APL provides all the features needed to implement a reflective mechanism through the use of metarules of the same format as rules.

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