Enhance filters compensate for image imperfections. Such
imperfections include dust particles, noise, interlaced frames (coming
usually from a TV frame-grabber) and insufficient sharpness.
This category describes the following filters:
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Section 4.2, “Antialias”
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Section 4.3, “Deinterlace”
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Section 4.4, “High Pass”
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Section 4.5, “Noise Reduction”
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Section 4.6, “Red Eye Removal”
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Section 4.7, “Symmetric Nearest Neighbor”
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Section 4.8, “Sharpen (Unsharp Mask)”
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Section 4.9, “Despeckle”
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Section 4.10, “NL Filter”
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Section 4.11, “Wavelet Decompose”
