This is a design and fabrication of a CMOS image sensor with a non-uniform layout of pixels that enables the arithmetic Fourier Transform (AFT) algorithm to be used for image compression. A ...

The Fast Fourier Transform (FFT) is an implementation of the Discrete Fourier Transform (DFT) using a divide-and-conquer approach. A DFT can transform any discrete signal, such as an image, to and ...

An optical imaging system generally consists of an illumination source and a light detection unit. For conventional imaging techniques, a scene is illuminated by a uniform light field and detected ...

Figure 3. B: Magnitude of Fourier transform of Ic(r) in a, |Íc (q)| (crosses at q=( π /a0,0);(0,../a0)). Maxima due to modulations in Ic(r) (dashed red ...

Different forms of linear transformations, such as the Fourier transform, are widely employed in processing of information in various applications. These transformations are generally implemented in ...