buildmask.m

基于贝叶斯理论的指纹识别算法及学习套件, 使用贝叶斯概率论实现对指纹识别,特征码提取,特征对数获取的功能

% Author: Scott Sanner
% Email:  [e-mail]
% Course: CS223B, Winter
% Desc:   Builds an oval mask for face images
%
% MASK = buildmask()
function MASK = buildmask()

% An 18x27 mask
MASK = ...
     [0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0; ...
      0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 0 0 0; ...
      0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0; ...
      0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0; ...
      0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0; ...
      0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0; ...
      0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0; ...
      0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0; ...
      0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0; ...
      0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0; ...
      0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0; ...
      0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0; ...
      0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0; ...
      0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0; ...
      0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0; ...
      0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0; ...
      0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0; ...
      0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0; ...
      0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0; ...
      0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0; ...
      0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0; ...
      0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0; ...
      0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0; ...
      0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0; ...
      0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0; ...
      0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 0 0 0; ...
      0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0      ];