By Paisarn Muneesawang

ISBN-10: 1119058716

ISBN-13: 9781119058717

ISBN-10: 1848215916

ISBN-13: 9781848215917

A presentation of using desktop imaginative and prescient structures to regulate production strategies and product caliber within the harddisk undefined. visible Inspection know-how within the harddisk is an
application-oriented publication borne out of collaborative study with the world's best harddisk businesses. It covers the most recent advancements and significant themes in computing device imaginative and prescient technology Read more...

summary: A presentation of using machine imaginative and prescient platforms to regulate production strategies and product caliber within the harddrive undefined. visible Inspection know-how within the harddisk is an
application-oriented publication borne out of collaborative examine with the world's prime hard drive businesses. It covers the most recent advancements and significant subject matters in computing device imaginative and prescient expertise in hard drive production, in addition to providing a glimpse of destiny applied sciences

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A) Image subtraction result , , b) the corresponding image profile and c) individual feature profile Thus, if is an empty set, the test images have no corrosion on the bottom contour of the pole tip; otherwise, they would have been corroded. 3. Fusion In order to allow the classifier to take into account the corrosion occurring on the bottom contour and inside the area of the top shield, it is necessary to employ both areabased and contour-based features. 30] where Г is the fusion rule which represents the output of the logical OR operator, and is the total number of the members of set .

Weighted metrics) which are linear in characterizing the parameters [COE 04]. These estimators are popular because of their computational simplicity [DOR 87]. Given the sequence of chain codes, there are also two approaches based on polygonalizations of digital curves which are directed to subsequent calculations of two parameters. These are maximum-length digital straight segments (DSSs) and minimum length polygons (MLPs). In the DSS method, the boundary is considered as a collection of DSSs [KLE 99].

The sensitivity of a test refers to the ability of the Feature Fusion Method for Rapid Corrosion Detection on Pole Tips 21 detector to correctly identify pole tips without corrosion. It is the true positive rate that gives the ratio between the number of non-corrosion pole tip images, which have been validated, and the total number of non-corrosion images. The specificity, or the true negative rate, is given by the ratio between the number of corrosion pole tip images, which have been validated, and the total number of corrosion images.

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Visual Inspection Technology in the Hard Disc Drive Industry by Paisarn Muneesawang


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