?? plotroc.m
字號:
function [falseAlarmRate, detectionRate, area, th] = plotROC(confidence, testClass, col, varargin)
% function [falseAlarmRate, detectionRate, area, th] = plotroc(confidence, testClass, color)
if nargin < 3, col = []; end
[scale01] = process_options(varargin, 'scale01', 1);
[falseAlarmRate detectionRate area th] = computeROC(confidence, testClass);
if ~isempty(col)
h=plot(falseAlarmRate, detectionRate, [col '-']);
%set(h, 'linewidth', 2);
ex = 0.05*max(falseAlarmRate);
ey = 0.05;
if scale01
axis([0-ex max(falseAlarmRate)+ex 0-ey 1+ey])
else
% zoom in on the top left corner
axis([0-ex max(falseAlarmRate)*0.5+ex 0.5-ey 1+ey])
end
grid on
ylabel('detection rate')
%xlabel('# false alarms')
xlabel('false alarm rate')
end
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