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project-2/proj2.html

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@@ -178,34 +178,34 @@ <h3>Part 2.2: Hybrid Images</h3>
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<img src="images/lowhigh.png" alt="lowhigh.png" width="50%">
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</div>
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<p>
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To find the optimal &sigma; for each image to create the Gaussian & impulse filter with, a good starting point through experiementation is 2% times the shorter of the width and height of the LPF image, and 1% for the HPF image. In the example above, the optimal percentages were found to be 3% and 1% for the low and high frequency image:
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To find the optimal &sigma; for each image to create the Gaussian & impulse filter with, a good starting point through experimentation is 1.8-3% times the shorter of the width and height of the LPF image, and 0.6-1.5% for the HPF image. In the example above, a cutoff percentage of 3% and 1% was used:
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</p>
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<div align="center">
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<img src="images/lpfhpf.png" alt="lpfhpf.png" width="50%">
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</div>
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<p>
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Below is a visualization displaying the log magnitude of the Fourier Tranform of the starting and the filtered images:
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Below is a visualization displaying the log magnitude of the Fourier Transform of the starting and the filtered images:
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</p>
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<div align="center">
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<img src="images/fourier.png" alt="fourier.png" width="50%">
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</div>
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<p>
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After aligning an combining the LPF and HPF images, we get the final result below:
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After aligning and combining the LPF and HPF images, we get the final result below:
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</p>
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<div align="center">
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<img src="images/hybrid1.png" alt="hybrid1.png" width="50%">
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</div>
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<p>
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This effect can also be used on any 2 images that are aligned, like the following examples:
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This effect can also be used on any 2 images that are aligned, like the following examples, which use a frequency cutoff of 2% and 0.8% times the shorter side:
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</p>
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<div align="center">
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<img src="images/odettefloryn.png" alt="odettefloryn.png" width="50%">
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<img src="images/lowhigh2.png" alt="lowhigh2.png" width="50%">
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</div>
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<div align="center">
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<img src="images/hybrid2.png" alt="hybrid2.png" width="50%">
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</div>
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<div align="center">
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<img src="images/yinlukas.png" alt="yinlukas.png" width="50%">
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<img src="images/lowhigh3.png" alt="lowhigh3.png" width="50%">
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</div>
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<div align="center">
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<img src="images/hybrid3.png" alt="hybrid3.png" width="50%">

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