Machine Vision Systems – Principle of Working
Posted by mechlook info on December 21st, 2011 07:04 PM | No Comment
Principle of Working
The machine vision system involves following four basic steps.
(i) Image formation
(ii) Processing of image in a form suitable for analysis by computer
(iii) Defining and analysing the characteristics of image
(iv) Interpretation of image and decision making
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Machine Vision Systems – How Machine Vision System Functions
Posted by mechlook info on December 21st, 2011 07:03 PM | No Comment
How Machine Vision System Functions
Fig.23.5 shows a general block diagram of a vision system
Lighting and presentation of object to be evaluated is very important task in implementing a vision system. It has great impact on system repeatability, reliability, and accuracy. ...
Machine Vision Systems – Fields Of Machine Vision Systems
Posted by mechlook info on December 21st, 2011 01:20 AM | No Comment
Fields Of Machine Vision Systems
The machine vision could be used for:
(a) Inspection. The ability of an automated vision system to recognise well-defined patterns and determine if these patterns match those stored in l lie system makes machine vision ideal for ...
Machine Vision Systems – Machine Vision System Applications
Posted by mechlook info on December 21st, 2011 01:20 AM | No Comment
Machine Vision System Applications
Machine vision systems can be used to replace human vision for applications like welding, machining to ensure that correct relationship is maintained between tool and workpiece, assembly of parts to analyse the position of parts so that ...
Machine Vision Systems – Developmental Programmes
Posted by mechlook info on December 21st, 2011 01:19 AM | No Comment
Developmental Programmes
Advanced vision systems are being developed to overvome limitations like limited 3-D interpretation ; limited interpretation of surfaces ; limited capability to examine a part if it is not properly oriented or obstructed by other overlapping parts; etc.
Future development ...
Machine Vision Systems – Gray Scale Vs. Binary Imaging
Posted by mechlook info on December 21st, 2011 01:19 AM | No Comment
Gray Scale Vs. Binary Imaging
The machine vision inspection systems involve conversion of continuous tone (or gray scale) image as seen by a black and white television camera into a binary image consisting of points which are all black or all ...
Machine Vision Systems – Gray Scale Image Processing Technique
Posted by mechlook info on December 21st, 2011 01:18 AM | No Comment
Gray Scale Image Processing Technique
There are four steps involved in this inspection process:
(i) Find the part . This involves finding the position of the part in the field of view and how it is oriented.
(ii) Recognizing the part .To establish ...