Inspec keywords: computer vision; image texture; image denoising; iterative methods; image colour analysis; least squares approximations

Other keywords: depth acquisition method; texture suppression; depth map; edge-preserving suppression method; functional energy function; computer vision; space variation; relative total intensity; iteratively reweighted least squares; noise suppression; colour intensity variation; depth estimation; texture patterns; colour image; comparative variation title

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