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run_pretrain_large.m
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function model = run_pretrain()
% Layer-wise pretraining.
rng('shuffle');
kernels;
param = [];
param.debug = 0;
param.volume_size = 21;%13;%21;%11;%21;%24;
param.pad_size = 0;%4;%5;%3;
data_size = param.volume_size + 2 * param.pad_size;
%% load data
param.data_path = '~/Dropbox/3dprior/data_CDBM_semantic_v3_semantic_abstract_da';%data_CDBM_semantic_v3_semantic';%data_CDBM_synthetic';%data_CDBM_semantic';
load([param.data_path '/classlabels.mat']);
param.classnames = unique_semantic_labels;%{'good','bad'};
% param.data_path = '~/Dropbox/3dprior/data_CDBM_synthetic';%data_CDBM_semantic_v3_semantic';%data_CDBM_synthetic';%data_CDBM_semantic';
% param.classnames = {'good', 'bad'};
%param.classnames = {'bathtub', 'bed', 'chair', 'desk', 'dresser', 'monitor', 'night_stand', 'sofa', 'table', 'toilet'};
% param.classnames = {'bathtub', 'bed', 'chair', 'desk', 'dresser', 'monitor', 'night_stand', 'sofa', 'table', 'toilet', ...
% 'airplane', 'bench', 'bookshelf', 'bottle', 'bowl', 'car', 'cone', 'cup', 'curtain', 'door', ...
% 'flower_pot', 'glass_box', 'guitar', 'keyboard', 'lamp', 'laptop', 'mantel', 'person', 'piano', 'plant', ...
% 'radio', 'range_hood', 'sink', 'stairs', 'stool', 'tent', 'tv_stand', 'vase', 'wardrobe', 'xbox'};
param.classes = length(param.classnames)
data_list = read_data_list(param.data_path, param.classnames, data_size, 'train', param.debug);
% load('bad.mat','data_list');
% save('semantic_data.mat','data_list','unique_semantic_labels');
%%
% idx=100
% data_list{2}(idx).filename
% fn=(data_list{2}(idx).filename)
% load(fn)
% instance4D(1,:,:,:)=instance;
% show_1_sample(instance4D(1,:,:,:))
% save('part_bad_stickout6.mat','instance');
%%
% kill = [];
% for i=1:1:275
% data_list{1}(i).filename
% fn=(data_list{1}(i).filename)
% load(fn)
% instance4D(1,:,:,:)=instance;
% show_1_sample(instance4D(1,:,:,:))
% instance4D(1,:,:,:)=instance;
% if checkKey()==0
% kill = [kill ; i];
% end
% %pause
% end
% % data_list{1}(kill)=[];
% save('good.mat','data_list');
% kill=[];
% for i=1:1:296
% data_list{2}(i).filename
% fn=(data_list{2}(i).filename)
% load(fn)
% instance4D(1,:,:,:)=instance;
% show_1_sample(instance4D(1,:,:,:))
% instance4D(1,:,:,:)=instance;
% if checkKey()==0
% kill = [kill ; i];
% end
% %pause
% end
% data_list{2}(kill)=[];
param.network = {
struct('type', 'input');
struct('type', 'convolution', 'outputMaps', 48, 'kernelSize', 7, 'actFun', 'sigmoid', 'stride', 1);
struct('type', 'convolution', 'outputMaps', 160, 'kernelSize', 5, 'actFun', 'sigmoid', 'stride', 2);
struct('type', 'convolution', 'outputMaps', 512, 'kernelSize', 4, 'actFun', 'sigmoid', 'stride', 1);
struct('type', 'fullconnected', 'size', 1200, 'actFun', 'sigmoid');%64, 'actFun', 'sigmoid');
struct('type', 'fullconnected', 'size', 4000, 'actFun', 'sigmoid');%80, 'actFun', 'sigmoid');
};
% param.network = {
% struct('type', 'input');
% struct('type', 'convolution', 'outputMaps', 48, 'kernelSize', 6, 'actFun', 'sigmoid', 'stride', 2);
% struct('type', 'convolution', 'outputMaps', 160, 'kernelSize', 5, 'actFun', 'sigmoid', 'stride', 2);
% struct('type', 'convolution', 'outputMaps', 512, 'kernelSize', 4, 'actFun', 'sigmoid', 'stride', 1);
% struct('type', 'fullconnected', 'size', 1200, 'actFun', 'sigmoid');
% struct('type', 'fullconnected', 'size', 4000, 'actFun', 'sigmoid');
% };
% This is to duplicate the labels for the final RBM in order to enforce the
% label training.
param.duplicate = 10;
param.validation = 1;
param.data_size = [data_size, data_size, data_size, 1];
model = initialize_cdbn(param);
fprintf('\nmodel initialzation completed!\n\n');
param = [];
param.layer = 2;
param.epochs = 150;
param.lr = 0.015;
param.weight_decay = 1e-5;
param.momentum = [0.5, 0.9];
param.kPCD = 1;
param.persistant = 0;
param.batch_size = 32;
param.sparse_damping = 0;
param.sparse_target = 0.01;
param.sparse_cost = 0.03;
[model] = crbm2(model, data_list, param);
save('model30_l2','model');
% load('model30_l2','model');
param = [];
param.layer = 3;
param.epochs = 400;
param.lr = 0.003;
param.weight_decay = 1e-5;
param.momentum = [0.5, 0.9];
param.kPCD = 1;
param.persistant = 0;
param.batch_size = 32;
param.sparse_damping = 0;
param.sparse_target = 0.05;
param.sparse_cost = 0.1;
[model] = crbm(model, data_list, param);
save('model30_l3','model');
% load('model30_l3','model');
layer_idx = 5;
if model.numLayer == 6
param = [];
param.layer = 4;
param.epochs = 600;
param.lr = 0.002;
param.weight_decay = 1e-5;
param.momentum = [0.5, 0.9];
param.kPCD = 1;
param.persistant = 0;
param.batch_size = 32;
param.sparse_damping = 0;
param.sparse_target = 0;
param.sparse_cost = 0;
[model] = crbm(model, data_list, param);
save('model30_l4','model');
% load('model30_l4','model');
else
layer_idx=4;
end
[hidden_prob_h4, train_label] = propagate_data(model, data_list, layer_idx);%5);
param = [];
param.layer = layer_idx;%5;
param.epochs = 600;
param.lr = 0.002;
param.weight_decay = 1e-5;
param.momentum = [0.5, 0.9];
param.kPCD = 1;
param.persistant = 0;
param.batch_size = 32;
param.sparse_damping = 0;
param.sparse_target = 0;
param.sparse_cost = 0;
new_list = balance_data(data_list,param.batch_size);
hidden_prob_h4 = reshape(hidden_prob_h4, size(hidden_prob_h4,1),[]);
% [model, hidden_prob_h5] = rbm(model, new_list, hidden_prob_h4, param);
% save('model30_l5','model');
load('model30_l5','model');
param.epochs=1;
[model, hidden_prob_h5] = rbm(model, new_list, hidden_prob_h4, param);
param = [];
param.layer = layer_idx+1;%6;
param.epochs = 600;
param.lr = 0.0003;
param.weight_decay = 1e-5;
param.momentum = [0.5, 0.5];
param.kPCD = 1;
param.persistant = 1;
param.batch_size = 32;
param.sparse_damping = 0;
param.sparse_target = 0;
param.sparse_cost = 0;
new_list = balance_data(data_list,param.batch_size);
%[model] = rbm(model, new_list, [train_label, hidden_prob_h5], param);
hidden_prob_h5 = reshape(hidden_prob_h5, size(hidden_prob_h5,1),[]);
[model] = rbm_last(model, new_list, [train_label, hidden_prob_h5], param);
save('model30_l6','model');
%% train last layer (output layer)
% param = [];
% param.layer = layer_idx+2;%6;
% param.epochs = 2000;
% param.lr = 0.0003;
% param.weight_decay = 1e-5;
% param.momentum = [0.5, 0.5];
% param.kPCD = 1;
% param.persistant = 1;
% param.batch_size = 32;
% param.sparse_damping = 0;
% param.sparse_target = 0;
% param.sparse_cost = 0;
% new_list = balance_data(data_list,param.batch_size);
% [model] = rbm_last(model, new_list, [train_label, hidden_prob_h6], param);
% save('model30_l7','model');
for l = 2 : length(model.layers)
model.layers{l} = rmfield(model.layers{l},'grdw');
model.layers{l} = rmfield(model.layers{l},'grdb');
model.layers{l} = rmfield(model.layers{l},'grdc');
end
save('pretrained_model','model');