Description  Claims  Drawing  Cited references 

US20070016007A   [0004] 
US20140221803   [0005] 
US20150045647   [0006] 
US6226542B   [0020] 
US6301496B   [0020] 
US6892091B   [0020] 
US8478383B   [0024] 
US7536218B   [0026]  [0028] 
US6814733B   [0027] 
US6997924B   [0027] 
US7156816B   [0027] 
US7756576B   [0028] 
US20060173251   [0041] 
US20070038078A   [0041] 
US20150164356   [0049] 
US351972   [0049] 

Digital Image Processing   [0058]