faceData2ds

Convert face data to a dataset of the standard format

Contents

Syntax

Description

DS=faceData2ds(faceData) converts a structure array faceData to a dataset of the standard format.

DS=faceData2ds(faceData, faceNumPerPerson) limits the face number per person.

Example

imageDir=[mltRoot, '/dataSet/att_faces(partial)'];
opt=fileList('defaultOpt');
opt.extName='pgm';
opt.mode='recursive';
faceData=fileList(imageDir, opt);
fprintf('Reading %d face images from %s...', length(faceData), imageDir);
tic
for i=1:length(faceData)
%	fprintf('%d/%d: file=%s\n', i, length(faceData), faceData(i).path);
	faceData(i).image=imread(faceData(i).path);
end
fprintf(' ===> %.2f sec\n', toc);
DS=faceData2ds(faceData);
fprintf('Display DS...\n'); disp(DS);

Reading 100 face images from D:\users\jang\matlab\toolbox\machineLearning/dataSet/att_faces(partial)... ===> 0.12 sec
Display DS...
         input: [10304×100 double]
    outputName: {'s1'  's10'  's2'  's3'  's4'  's5'  's6'  's7'  's8'  's9'}
        output: [1×100 double]
    annotation: {1×100 cell}

Published with MATLAB® R2018a