RI-MINACE filters to augment segmentation of touching objects

被引：3

作者：

Casasent, D ^{[1
]}

Cox, W ^{[1
]}

机构：

[1] Carnegie Mellon Univ, Dept Elect & Comp Engn, Lab Opt Data Proc, Pittsburgh, PA 15213 USA

来源：

PATTERN RECOGNITION | 1998年 / 31卷 / 09期

关键词：

circular harmonic filters; detection; distortion invariance; rotation invariance; rotation invariant MINACE filters;

D O I：

10.1016/S0031-3203(97)00153-2

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

RI-MINACE filters are described for a rotation-invariant distortion-invariant multi-object detection problem. The objects are agricultural products, pistachio nuts, and the sensor is X-ray. The nuts can have any orientation hence rotation invariance is necessary. Distortion invariance is needed because each nut varies in size and shape. To detect the separate correlation peaks, we use peaksorting with a window and minimum threshold. Design issues that arise in this application include: use of gray scale or binary images; the circular harmonic function order to use; selection of the reference object, the size of the filter, the MINACE control parameter c, and the peaksorting parameters. (C) 1998 Pattern Recognition Society. Published by Elsevier Science Ltd. All rights reserved.

引用

页码：1311 / 1317

页数：7

共 5 条

[1] RI-MINACE filters to augment segmentation of touching objects
Casasent, D
Cox, W
OPTICAL PATTERN RECOGNITION VIII, 1997, 3073 : 354 - 363
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