matlab程序数据改了之后结果不变,为什么matlab换了数据集之后，用同一个程序运行会出现错误...

function train_id_net_res_2stream(varargin)

% -------------------------------------------------------------------------

% Part 4.1: prepare the data

% -------------------------------------------------------------------------

% Load character dataset

imdb = load('F:2016_person_re-ID-master2016_person_re-ID-mastercuhk03-prepare-eval/cuhk03_detected_lomo.mat') ;

imdb = imdb.imdb;

% -------------------------------------------------------------------------

% Part 4.2: initialize a CNN architecture

% -------------------------------------------------------------------------

net = resnet52_2stream();

net.params(net.getParamIndex('fc751f')).learningRate = 0.01;

net.params(net.getParamIndex('fc751b')).learningRate = 0.2;

net.conserveMemory = true;

net.meta.normalization.averageImage =