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05_arithlogicx - Enhancement using Arithmetic/Logic...

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Enhancement using Arithmetic/Logic Operations COMP344 COMP344 Enhancement using Arithmetic/Logic Operations
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Motivating Example COMP344 Enhancement using Arithmetic/Logic Operations
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Image Operations Arithmetic operations ( p and q are images) p + q p - q p * q (also stated as pq , or p × q ) p % q Logic operations ( p and q are binary images) p AND q p OR q Not q p XOR q COMP344 Enhancement using Arithmetic/Logic Operations
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Subtraction or Absolute Difference very useful for determining the difference between two images used for detection COMP344 Enhancement using Arithmetic/Logic Operations
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Another Example: Digital Subtraction Angiogram X-ray brain image without contrast agent injected X-ray brain image with contrast agent injected COMP344 Enhancement using Arithmetic/Logic Operations
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Addition Addition can blend two images COMP344 Enhancement using Arithmetic/Logic Operations
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Logic Operators NOT AND OR XOR? COMP344 Enhancement using Arithmetic/Logic Operations
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Example COMP344 Enhancement using Arithmetic/Logic Operations
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How to Get a Better Picture? Canon EOS 300D (ISO 1600) COMP344 Enhancement using Arithmetic/Logic Operations
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Image Averaging
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