Example image of eyePlorer eyePlorer map for 'Noise reduction': Noise Signal (electronics) A priori and a posteriori Analogue electronics Digital Algorithm White noise Electron Electronic circuit Voltage Magnetic tape Photographic film Iron(III) oxide Magnetite Analog signal Tape hiss Tape head Gramophone record Dbx (noise reduction) Dolby noise-reduction system Ray Dolby Henry Kloss Dbx, Inc. Companding Video Bose Corporation Car audio Delco General Motors Jeep Jeep Cherokee (XJ) Dither Digital camera Aesthetics Art Computer vision Marketing Pixel Salt and pepper noise Charge-coupled device Gaussian noise Normal distribution Central limit theorem Independent and identically-distributed random variables Digital single-lens reflex camera Nikon Convolution Low-pass filter Gaussian function Anisotropic diffusion