The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 02, 2018
Filed:
Jun. 15, 2016
Cisco Technology, Inc., San Jose, CA (US);
Arild Fuldseth, Snarøya, NO;
Steinar Midtskogen, Oslo, NO;
Cisco Technology, Inc., San Jose, CA (US);
Abstract
A target sample x(i,j) of a two-dimensional array of reconstructed samples is filtered based on values of samples in a neighboring region of the target sample to produce a two-dimensional array of modified reconstructed samples, according to the equation: y(i,j)=round (x(i, j)+g(Σa(m, n)f(x(i,j)−b(m,n)x(m,n)))), where y(i,j) is a modified target sample value, R is the neighboring region of the target sample, a(m,n) and b(m,n) are real-valued coefficients, round(x) is a function that maps the value x to an integer value in the range [0,2-1], B is the number of bits representing each sample of the two-dimensional array of modified reconstructed samples, f(x) and g(x) are functions, wherein (a) f(x) is a non-linear function, or (b) g(x) is a non-linear function and both a width and a height of R is more than one sample.