Machine Understanding by Zbigniew Les & Magdalena Les

Author:Zbigniew Les & Magdalena Les
Language: eng
Format: epub
ISBN: 9783030240707
Publisher: Springer International Publishing

For n > 1 and m = 1 the class is the convex class or the concave class and when objects are all members of the convex class the class is the convex picture class . The picture class is equivalent to the shape class, which can be written as . Images from the picture class , shown in Fig. 5.20, are gradually changing the number of objects shown by symbolic names as: (a–b), (c–e), (f), (g–h), (i), (j).

Fig. 5.20Examples of images from the picture class

In the case when n > 1 and m > 1, the objects from the picture class can be members of any shape class , . From the class , the specific classes such the occlusion class , the transparent class or the 3D class are derived. The image from the line-drawing object on the background picture class, for which the object is a member of the shape class, will be denoted as . The occlusion picture class and the transparency picture class are classes derived from the class , and for this reason the images from the classes , or can be regarded as the objects , or . In this book the notions , or are sometimes used for both the picture class and the shape class. Examples of objects, members of the convex picture class are shown in Fig. 5.21.

Fig. 5.21Examples of objects, members of the picture class , where H is a convex object,

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