Pawan

1. Asstt Prof, LPU 2. Research Scholar, Panjab University

Active since 2013

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What is the command for K-means segmentation in MATLAB? What is the command for invoking image processing toolbox from command window?
Is there any in-built command? I am having 6.1 Ver.

meer dan 11 jaar ago | 1 answer | 0

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Question

Is there any command to find perimeter of detected edges after performing edge detection? Can I use perimeter as a metric to compare edge detection performance?
Can I say, more perimeter better edge detection.

meer dan 11 jaar ago | 2 answers | 0

2

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Question

Edge() command automatically decides threshold if not passed as parameter? What logic it uses? Is the selected threshold optimal for all images?
I found for some images threshold selected by edge(), results are not that good.Rather when I varied threshold around , results ...

meer dan 11 jaar ago | 0 answers | 0

0

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Question

Why sum of elements of derivative masks need be zero?
Foe example: sobel, prewitt, roberts

meer dan 11 jaar ago | 1 answer | 0

1

answer