Patent ID: 8050507

Claim:
A device for generating three-dimensional (3D) depth information, comprising: a color and object independent local blurriness estimation unit that analyzes blurriness of each of a plurality of pixels of a two-dimensional (2D) image; and a depth assignment unit that assigns depth information to the 2D image according to the blurriness analyses; wherein the color and object independent local blurriness estimation unit comprises a filter expressed as follows: m ^ C ( n ) ⁡ ( x , y ) = 1 N η ⁢ ∑ ( s , t ) ∈ η ⁡ ( x , y ) ⁢ ( I color ⁡ ( s , t ) - m ^ C ⁡ ( x , y ) ) n where n represents order of the filter; I color represents pixel intensity of red, green or blue; η(x, y) represents a set of pixels neighboring the pixel (x, y); N η represents total number of the pixels in the set; {circumflex over (m)} C represents a mean value of red, green or blue, and can be expressed as ⁢ m ^ C ⁡ ( x , y ) = 1 N η ⁢ ∑ ( s , t ) ∈ η ⁡ ( x , y ) ⁢ I color ⁡ ( s , t ) .