#include "connected_layer.h"
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#include "convolutional_layer.h"
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#include "maxpool_layer.h"
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#include "network.h"
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#include "image.h"
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#include "parser.h"
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#include "data.h"
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#include "matrix.h"
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#include "utils.h"
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#include <time.h>
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#include <stdlib.h>
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#include <stdio.h>
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void test_convolve()
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{
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image dog = load_image("dog.jpg");
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printf("dog channels %d\n", dog.c);
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image kernel = make_random_image(3,3,dog.c);
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image edge = make_image(dog.h, dog.w, 1);
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int i;
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clock_t start = clock(), end;
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for(i = 0; i < 1000; ++i){
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convolve(dog, kernel, 1, 0, edge, 1);
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}
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end = clock();
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printf("Convolutions: %lf seconds\n", (double)(end-start)/CLOCKS_PER_SEC);
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show_image_layers(edge, "Test Convolve");
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}
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void test_color()
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{
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image dog = load_image("test_color.png");
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show_image_layers(dog, "Test Color");
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}
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void test_convolutional_layer()
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{
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srand(0);
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image dog = load_image("dog.jpg");
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int i;
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int n = 3;
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int stride = 1;
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int size = 3;
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convolutional_layer layer = *make_convolutional_layer(dog.h, dog.w, dog.c, n, size, stride, RELU);
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char buff[256];
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for(i = 0; i < n; ++i) {
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sprintf(buff, "Kernel %d", i);
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show_image(layer.kernels[i], buff);
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}
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forward_convolutional_layer(layer, dog.data);
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image output = get_convolutional_image(layer);
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maxpool_layer mlayer = *make_maxpool_layer(output.h, output.w, output.c, 2);
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forward_maxpool_layer(mlayer, layer.output);
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show_image_layers(get_maxpool_image(mlayer), "Test Maxpool Layer");
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}
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void verify_convolutional_layer()
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{
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srand(0);
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int i;
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int n = 1;
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int stride = 1;
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int size = 3;
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double eps = .00000001;
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image test = make_random_image(5,5, 1);
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convolutional_layer layer = *make_convolutional_layer(test.h,test.w,test.c, n, size, stride, RELU);
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image out = get_convolutional_image(layer);
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double **jacobian = calloc(test.h*test.w*test.c, sizeof(double));
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forward_convolutional_layer(layer, test.data);
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image base = copy_image(out);
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for(i = 0; i < test.h*test.w*test.c; ++i){
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test.data[i] += eps;
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forward_convolutional_layer(layer, test.data);
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image partial = copy_image(out);
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subtract_image(partial, base);
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scale_image(partial, 1/eps);
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jacobian[i] = partial.data;
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test.data[i] -= eps;
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}
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double **jacobian2 = calloc(out.h*out.w*out.c, sizeof(double));
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image in_delta = make_image(test.h, test.w, test.c);
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image out_delta = get_convolutional_delta(layer);
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for(i = 0; i < out.h*out.w*out.c; ++i){
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out_delta.data[i] = 1;
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backward_convolutional_layer(layer, test.data, in_delta.data);
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image partial = copy_image(in_delta);
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jacobian2[i] = partial.data;
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out_delta.data[i] = 0;
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}
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int j;
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double *j1 = calloc(test.h*test.w*test.c*out.h*out.w*out.c, sizeof(double));
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double *j2 = calloc(test.h*test.w*test.c*out.h*out.w*out.c, sizeof(double));
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for(i = 0; i < test.h*test.w*test.c; ++i){
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for(j =0 ; j < out.h*out.w*out.c; ++j){
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j1[i*out.h*out.w*out.c + j] = jacobian[i][j];
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j2[i*out.h*out.w*out.c + j] = jacobian2[j][i];
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printf("%f %f\n", jacobian[i][j], jacobian2[j][i]);
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}
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}
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image mj1 = double_to_image(test.w*test.h*test.c, out.w*out.h*out.c, 1, j1);
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image mj2 = double_to_image(test.w*test.h*test.c, out.w*out.h*out.c, 1, j2);
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printf("%f %f\n", avg_image_layer(mj1,0), avg_image_layer(mj2,0));
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show_image(mj1, "forward jacobian");
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show_image(mj2, "backward jacobian");
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}
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void test_load()
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{
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image dog = load_image("dog.jpg");
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show_image(dog, "Test Load");
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show_image_layers(dog, "Test Load");
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}
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void test_upsample()
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{
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image dog = load_image("dog.jpg");
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int n = 3;
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image up = make_image(n*dog.h, n*dog.w, dog.c);
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upsample_image(dog, n, up);
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show_image(up, "Test Upsample");
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show_image_layers(up, "Test Upsample");
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}
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void test_rotate()
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{
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int i;
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image dog = load_image("dog.jpg");
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clock_t start = clock(), end;
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for(i = 0; i < 1001; ++i){
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rotate_image(dog);
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}
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end = clock();
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printf("Rotations: %lf seconds\n", (double)(end-start)/CLOCKS_PER_SEC);
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show_image(dog, "Test Rotate");
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image random = make_random_image(3,3,3);
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show_image(random, "Test Rotate Random");
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rotate_image(random);
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show_image(random, "Test Rotate Random");
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rotate_image(random);
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show_image(random, "Test Rotate Random");
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}
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void test_parser()
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{
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network net = parse_network_cfg("test_parser.cfg");
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double input[1];
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int count = 0;
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double avgerr = 0;
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while(++count < 100000000){
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double v = ((double)rand()/RAND_MAX);
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double truth = v*v;
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input[0] = v;
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forward_network(net, input);
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double *out = get_network_output(net);
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double *delta = get_network_delta(net);
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double err = pow((out[0]-truth),2.);
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avgerr = .99 * avgerr + .01 * err;
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if(count % 1000000 == 0) printf("%f %f :%f AVG %f \n", truth, out[0], err, avgerr);
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delta[0] = truth - out[0];
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backward_network(net, input, &truth);
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update_network(net, .001,0,0);
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}
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}
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void test_data()
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{
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char *labels[] = {"cat","dog"};
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data train = load_data_image_pathfile_random("train_paths.txt", 101,labels, 2);
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free_data(train);
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}
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void test_full()
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{
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network net = parse_network_cfg("full.cfg");
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srand(0);
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int i = 0;
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char *labels[] = {"cat","dog"};
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while(i++ < 1000 || 1){
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data train = load_data_image_pathfile_random("train_paths.txt", 1000, labels, 2);
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train_network(net, train, .0005, 0, 0);
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free_data(train);
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printf("Round %d\n", i);
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}
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}
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void test_nist()
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{
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srand(444444);
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network net = parse_network_cfg("nist.cfg");
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data train = load_categorical_data_csv("mnist/mnist_train.csv", 0, 10);
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data test = load_categorical_data_csv("mnist/mnist_test.csv",0,10);
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normalize_data_rows(train);
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normalize_data_rows(test);
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randomize_data(train);
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int count = 0;
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double lr = .0005;
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while(++count <= 1){
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double acc = train_network_sgd(net, train, lr, .9, .001);
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printf("Training Accuracy: %lf", acc);
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lr /= 2;
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}
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/*
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double train_acc = network_accuracy(net, train);
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fprintf(stderr, "\nTRAIN: %f\n", train_acc);
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double test_acc = network_accuracy(net, test);
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fprintf(stderr, "TEST: %f\n\n", test_acc);
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printf("%d, %f, %f\n", count, train_acc, test_acc);
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*/
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//end = clock();
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//printf("Neural Net Learning: %lf seconds\n", (double)(end-start)/CLOCKS_PER_SEC);
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}
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void test_kernel_update()
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{
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srand(0);
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double delta[] = {.1};
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double input[] = {.3, .5, .3, .5, .5, .5, .5, .0, .5};
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double kernel[] = {1,2,3,4,5,6,7,8,9};
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convolutional_layer layer = *make_convolutional_layer(3, 3, 1, 1, 3, 1, LINEAR);
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layer.kernels[0].data = kernel;
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layer.delta = delta;
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learn_convolutional_layer(layer, input);
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print_image(layer.kernels[0]);
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print_image(get_convolutional_delta(layer));
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print_image(layer.kernel_updates[0]);
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}
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void test_random_classify()
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{
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network net = parse_network_cfg("connected.cfg");
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matrix m = csv_to_matrix("train.csv");
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//matrix ho = hold_out_matrix(&m, 2500);
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double *truth = pop_column(&m, 0);
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//double *ho_truth = pop_column(&ho, 0);
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int i;
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clock_t start = clock(), end;
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int count = 0;
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while(++count <= 300){
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for(i = 0; i < m.rows; ++i){
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int index = rand()%m.rows;
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//image p = double_to_image(1690,1,1,m.vals[index]);
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//normalize_image(p);
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forward_network(net, m.vals[index]);
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double *out = get_network_output(net);
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double *delta = get_network_delta(net);
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//printf("%f\n", out[0]);
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delta[0] = truth[index] - out[0];
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// printf("%f\n", delta[0]);
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//printf("%f %f\n", truth[index], out[0]);
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//backward_network(net, m.vals[index], );
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update_network(net, .00001, 0,0);
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}
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//double test_acc = error_network(net, m, truth);
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//double valid_acc = error_network(net, ho, ho_truth);
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//printf("%f, %f\n", test_acc, valid_acc);
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//fprintf(stderr, "%5d: %f Valid: %f\n",count, test_acc, valid_acc);
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//if(valid_acc > .70) break;
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}
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end = clock();
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FILE *fp = fopen("submission/out.txt", "w");
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matrix test = csv_to_matrix("test.csv");
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truth = pop_column(&test, 0);
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for(i = 0; i < test.rows; ++i){
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forward_network(net, test.vals[i]);
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double *out = get_network_output(net);
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if(fabs(out[0]) < .5) fprintf(fp, "0\n");
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else fprintf(fp, "1\n");
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}
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fclose(fp);
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printf("Neural Net Learning: %lf seconds\n", (double)(end-start)/CLOCKS_PER_SEC);
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}
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void test_split()
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{
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data train = load_categorical_data_csv("mnist/mnist_train.csv", 0, 10);
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data *split = cv_split_data(train, 0, 13);
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printf("%d, %d, %d\n", train.X.rows, split[0].X.rows, split[1].X.rows);
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}
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int main()
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{
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//test_kernel_update();
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test_split();
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// test_nist();
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//test_full();
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//test_random_preprocess();
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//test_random_classify();
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//test_parser();
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//test_backpropagate();
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//test_ann();
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//test_convolve();
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//test_upsample();
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//test_rotate();
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//test_load();
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//test_network();
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//test_convolutional_layer();
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//verify_convolutional_layer();
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//test_color();
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cvWaitKey(0);
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return 0;
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}
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