Inspec keywords: image colour analysis; iterative methods

Other keywords: nonlocal total variation method; CB colour spaces; image colourisation; colourisation models; closed-form solutions; iterative algorithms; YIQ colour spaces; Lagrange multiplier method

Subjects: Interpolation and function approximation (numerical analysis); Interpolation and function approximation (numerical analysis); Optical, image and video signal processing; Computer vision and image processing techniques