Patent Document ID: 7860334
Application ID: 11352483
Patent Status: 1

Claim One:
1. A method comprising: computing differences between image information associated with a pixel of interest and image information associated with pixels that surround the pixel of interest by adaptive image filter logic implemented at an electronic device; determining a low pass component and a high pass component of a filter with respect to the pixel of interest based on the differences computed by the adaptive image filter logic; and applying the filter to the image information associated with the pixel of interest by filtering the image information according to the equation: out_pixel = in_pixel + ( lpf_diff 2 LPF ⁢ _ ⁢ SHIFT ) - ( hpf_diff 2 HPF ⁢ _ ⁢ SHIFT ) , where out_pixel is a value of the filtered image information, in_pixel is a value of the unfiltered image information, lpf_diff is a sum of computed differences that are less than a low pass threshold, hpf_diff is a sum of computed differences that are greater than a high pass threshold, and LPF_SHIFT and HPF_SHIFT are programmable variables.