WorksheetsMACHINE VISION
Total questions: 7
Worksheet time: 9mins
YOUR MINDSET NOW
In computer vision, the purpose of masking is to
(a) convert analog information of light intensity into digital form.
(b) remove noise and restore lost information from the image.
(c) collect analog information of captured image.
(d) store image in computer as an array of pixels.
In computer vision, threshold aims to
(a) obtain a distinction between the object(s) and background.
(b) remove noise from the image.
(c) convert analog information of light intensity into digital form.
(d) store image in computer as an array of pixels.
In computer vision, Gradient operator is used for
(a) thresholding
(b) pre-processing
(c) frame grabbing
(d) edge detection
In computer vision, chain codes are utilized for
(a) thresholding.
(b) edge detection.
(c) representing the boundary of object using a set of small line segments of specified length and direction.
(d) frame grabbing.
The image of an object is represented by an array of pixels. The light intensity values at the different pixels are given below.The pre-processed data corresponding to 2nd row and 2nd column element, that is, 65 obtained by using median filtering with a 3x3 neighborhood is equal to
85
45
65
70
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