Canny edge detector: Difference between revisions
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<p>The image is represented as a 2D array of pixels, with first and second axes representing down and right respectively. Array elements represent monochromatic intensity values as integers ranging from 0 (black) to 255 (white). </p> |
<p>The image is represented as a 2D array of pixels, with first and second axes representing down and right respectively. Array elements represent monochromatic intensity values as integers ranging from 0 (black) to 255 (white). </p> |
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<p>Intensity gradient fields are similarly structured. Gradient values are vectors, and are represented here as complex numbers, with real and imaginary components representing down and right respectively. </p> |
<p>Intensity gradient fields are similarly structured. Gradient values are vectors, and are represented here as complex numbers, with real and imaginary components representing down and right respectively. </p> |
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<p>Edge and non-edge points are represented as zeros and ones respectively. Edges are sets of connected points. Edge points |
<p>Edge and non-edge points are represented as zeros and ones respectively. Edges are sets of connected points. Edge points within a 3-by-3 region are considered to be connected. Edges are represented as points having a common unique identifier. </p> |
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<ul>ToDo: |
<ul>ToDo: |
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