What is the name of the filter that multiplies two functions F(u, v) and H(u, v), where F has complex components too since is Fourier transformed function of f(x, y), in an order that each component of H multiplies both real and complex part of corresponding component in F?(a) Unsharp mask filter(b) High-boost filter(c) Zero-phase-shift-filter(d) None of the mentionedThe question was posed to me during an interview.I would like to ask this question from Filtering in Frequency Domain topic in section Intensity Transformations and Spatial Filtering of Digital Image Processing

What is the name of the filter that multiplies two functions F(u, v) a

1.	What is the name of the filter that multiplies two functions F(u, v) and H(u, v), where F has complex components too since is Fourier transformed function of f(x, y), in an order that each component of H multiplies both real and complex part of corresponding component in F?(a) Unsharp mask filter(b) High-boost filter(c) Zero-phase-shift-filter(d) None of the mentionedThe question was posed to me during an interview.I would like to ask this question from Filtering in Frequency Domain topic in section Intensity Transformations and Spatial Filtering of Digital Image Processing
Answer» The correct choice is (c) Zero-phase-shift-filter The explanation is: Zero-phase-shift-filter multiplies two functions F(u, v) and H(u, v), where F has complex components too SINCE is FOURIER TRANSFORMED function of f(x, y), in an order that each component of H multiplies both REAL and complex part of corresponding component in F.

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