Acta Stereologica

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Kensuke Baba, Kiyoshi Miyamoto, Kazumonto Kimura, Hidetaka Matsukuma & Osamu Koide

Automatic detection of sphere distribution in thick section

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Abstract

The size distribution of somatotroph secretory granules on electronmicrographes of rat adenohypophysis is automatically detected by two methods; 1) "erosion-chord method" and 2) "distance-maximum method". In the later method, the diameter of each disc of the granules is automatically detected in a way which depends upon Rosenfeld's distance function. In the former method, the Serra's erosion is employed prior to the detection of the chord length to separate the profile of the granules on the electron micrographs. The two results are compared with the results using the manual methods. In these analyses, the thickness of the section is stereologically introduced.

Pour citer cet article

Kensuke Baba, Kiyoshi Miyamoto, Kazumonto Kimura, Hidetaka Matsukuma & Osamu Koide, «Automatic detection of sphere distribution in thick section», Acta Stereologica [En ligne], Volume 3 (1984), Number 1 - May 1984, 57-62 URL : https://popups.ulg.ac.be/0351-580x/index.php?id=3945.

A propos de : Kensuke Baba

Department of Pathology and Surgical Pathology, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi, Kitakyushu, Fukuoka 807, Japan

A propos de : Kiyoshi Miyamoto

Institute of Medical Sciences, Dokkyo University School of Medicine, Japan

A propos de : Kazumonto Kimura

Institute of Medical Sciences, Dokkyo University School of Medicine, Japan

A propos de : Hidetaka Matsukuma

Department of Pathology and Surgical Pathology, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi, Kitakyushu, Fukuoka 807, Japan

A propos de : Osamu Koide

Department of Pathology and Surgical Pathology, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi, Kitakyushu, Fukuoka 807, Japan