/**
* @brief ProcessAux
* @param imgIn
* @param bBilateral
* @param nSuperPixels
* @return
*/
Image *ProcessAux(Image *imgIn, bool bBilateral, int nSuperPixels = 4096)
{
if(bBilateral) {
float minVal, maxVal;
imgIn->getMinVal(NULL, &minVal);
imgIn->getMaxVal(NULL, &maxVal);
float nLevels = log10f(maxVal) - log10f(minVal) + 1.0f;
float nLayer = ((maxVal - minVal) / nLevels) / 4.0f;
float area = imgIn->widthf * imgIn->heightf * perCent;
int iterations = MAX(int(sqrtf(area)) / 2, 1);
//create filters
if(fltIt == NULL) {
fltBil = new FilterBilateral2DS(1.0f, nLayer);
fltIt = new FilterIterative(fltBil, iterations);
}
#ifdef PIC_DEBUG
printf("Layer: %f iterations: %d\n", nLayer, iterations);
#endif
//Iterative bilateral filtering
Image *imgOut = fltIt->Process(Single(imgIn), imgIn_flt);
return imgOut;
} else {
Slic sp;
sp.execute(imgIn, nSuperPixels);
Image *imgOut = sp.getMeanImage(NULL);
return imgOut;
}
}
void SLIC(const Mat& src, Mat& clusters, int numSuperPixels, int nc, enum method) {
int width = src.cols;
int height = src.rows;
double step = sqrt(width*height / (double)numSuperPixels);
IplImage iplImg = IplImage(src);
Slic slic;
slic.generate_superpixels(&iplImg, step, nc);
slic.create_connectivity(&iplImg);
clusters.create(src.size(), CV_32S);
for(int h = 0; h < height; h++) {
for(int w = 0; w < width; w++) {
clusters.at<int>(h,w) = slic.clusters[w][h];
}
}
}
int main(int argc, char *argv[]) {
/* Load the image and convert to Lab colour space. */
Mat image = imread("dog.png", 1);
Mat lab_image;
cvtColor(image, lab_image, COLOR_BGR2Lab);
/* Yield the number of superpixels and weight-factors from the user. */
int w = image.cols, h = image.rows;
int nr_superpixels = 400;
int nc = 40;
double step = sqrt((w * h) / (double) nr_superpixels);
/* Perform the SLIC superpixel algorithm. */
Slic slic;
slic.generate_superpixels(lab_image, int(step), nc);
slic.create_connectivity(lab_image);
slic.display_contours(image, Vec3b(0,0,255));
/* Display the contours and show the result. */
imshow("result", image);
waitKey(0);
}
int main(int argc, char *argv[]) {
/* Load the image and convert to Lab colour space. */
IplImage *image = cvLoadImage(argv[1], 1);
IplImage *lab_image = cvCloneImage(image);
cvCvtColor(image, lab_image, CV_BGR2Lab);
/* Yield the number of superpixels and weight-factors from the user. */
int w = image->width, h = image->height;
int nr_superpixels = atoi(argv[2]);
int nc = atoi(argv[3]);
double step = sqrt((w * h) / (double) nr_superpixels);
/* Perform the SLIC superpixel algorithm. */
Slic slic;
slic.generate_superpixels(lab_image, step, nc);
slic.create_connectivity(lab_image);
/* Display the contours and show the result. */
slic.display_contours(image, CV_RGB(255,0,0));
cvShowImage("result", image);
cvWaitKey(0);
cvSaveImage(argv[4], image);
}
int main(int argc, char *argv[]) {
/* Load the image and convert to Lab colour space. */
cv::Mat image = cv::imread(argv[1], 1);
cv::Mat lab_image;
cv::cvtColor(image, lab_image, CV_BGR2Lab);
/* Yield the number of superpixels and weight-factors from the user. */
int w = image.cols, h = image.rows;
int nr_superpixels = atoi(argv[2]);
int nc = atoi(argv[3]);
double step = sqrt((w * h) / (double) nr_superpixels);
/* Perform the SLIC superpixel algorithm. */
Slic slic;
slic.generate_superpixels(lab_image, step, nc);
slic.create_connectivity(lab_image);
std::vector<std::vector<cv::Point> > pointSets = slic.generatePointSets(image);
/* Display the contours and show the result. */
// slic.colour_with_cluster_means(image);
slic.display_contours(image, cv::Vec3b(0,0,255));
std::vector<std::vector<int> > edges = slic.generateGraph(image);
slic.displayGraph(image, edges, cv::Vec3b(0,255,255));
slic.display_center_grid(image, cv::Vec3b(0, 0, 0));
// std::vector<std::vector<cv::Point> > polys = slic.generateBoundingPolys(image);
// slic.displayBoundingPolys(image, polys, cv::Vec3b(255,0,0));
// std::vector<cv::Rect> boxes = slic.generateBoundingBoxes(image);
// slic.displayBoundingBoxes(image, boxes, cv::Vec3b(0, 255, 255));
// std::vector<cv::RotatedRect> boxes = slic.generateRotBoundingBoxes(image);
// slic.displayRotBoundingBoxes(image, boxes, cv::Vec3b(0, 255, 255));
// std::cout << boxes[0].size() << std::endl;
cv::namedWindow("result", CV_WINDOW_AUTOSIZE);
cv::imshow("result", image);
cv::waitKey(0);
cv::imwrite(argv[4], image);
}
void SLICSuperPixels::imageCallback(const sensor_msgs::Image::ConstPtr& image)
{
boost::mutex::scoped_lock lock(mutex_);
cv::Mat in_image = cv_bridge::toCvShare(image, image->encoding)->image;
cv::Mat bgr_image;
if (in_image.channels() == 1) {
// gray image
cv::cvtColor(in_image, bgr_image, CV_GRAY2BGR);
}
else if (image->encoding == sensor_msgs::image_encodings::RGB8) {
// convert to BGR8
cv::cvtColor(in_image, bgr_image, CV_RGB2BGR);
}
else {
bgr_image = in_image;
}
//cv::Mat bgr_image = cv_ptr->image;
cv::Mat lab_image, out_image, mean_color_image, center_grid_image;
// slic
if (debug_image_) {
bgr_image.copyTo(out_image);
bgr_image.copyTo(mean_color_image);
bgr_image.copyTo(center_grid_image);
}
cv::cvtColor(bgr_image, lab_image, CV_BGR2Lab);
int w = image->width, h = image->height;
double step = sqrt((w * h) / (double) number_of_super_pixels_);
Slic slic;
slic.generate_superpixels(lab_image, step, weight_);
slic.create_connectivity(lab_image);
if (debug_image_) {
// creating debug image may occur seg fault.
// So, publish_debug_images was added, in order to create debug image explicitly
// See https://github.com/jsk-ros-pkg/jsk_recognition/pull/2181
slic.colour_with_cluster_means(mean_color_image);
slic.display_center_grid(center_grid_image, cv::Scalar(0, 0, 255));
slic.display_contours(out_image, cv::Vec3b(0,0,255));
pub_debug_.publish(cv_bridge::CvImage(
image->header,
sensor_msgs::image_encodings::BGR8,
out_image).toImageMsg());
pub_debug_mean_color_.publish(cv_bridge::CvImage(
image->header,
sensor_msgs::image_encodings::BGR8,
mean_color_image).toImageMsg());
pub_debug_center_grid_.publish(cv_bridge::CvImage(
image->header,
sensor_msgs::image_encodings::BGR8,
center_grid_image).toImageMsg());
}
// publish clusters
cv::Mat clusters;
cv::transpose(slic.clusters, clusters);
clusters = clusters + cv::Scalar(1);
pub_.publish(cv_bridge::CvImage(
image->header,
sensor_msgs::image_encodings::TYPE_32SC1,
clusters).toImageMsg());
}
static vector<vector<Point> > make_superpixels(Mat original)
{
IplImage *image = new IplImage(original);
IplImage *lab_image = cvCloneImage(image);
cout<<" yoman "<<endl;
//cvCvtColor(image, lab_image, CV_BGR2Lab);
cout<<" yoman2 "<<endl;
int w = image->width, h = image->height;
int nr_superpixels = atoi("2000");
int nc = atoi("60");
double step = sqrt((w * h) / (double) nr_superpixels);
Slic slic;
slic.generate_superpixels(lab_image, step, nc);
slic.create_connectivity(lab_image);
Mat ret;
/*cout<<" size "<<slic.centers.size()<<endl;*/
vector<vector<Point> > contours(slic.centers.size());
for(int i=0; i<slic.centers.size()+5; i++)
{
for(int j=0; j<slic.centers.size()+5; j++)
{
len[i][j]=0;
differ[i][j]=0;
if(i==j)
{
GR[i][j]=0;
continue;
}
GR[i][j]=inf;
}
}
cout<<" Graph Initialized "<<slic.clusters.size()<<endl;
/*freopen("out.txt","w",stdout);
for(int i=0; i<slic.clusters.size(); i++)
{
for(int j=0; j<slic.clusters[i].size(); j++)
{
cout<<slic.clusters[i][j]<<" ";
}
cout<<endl;
}
cout<<endl;*/
for(int i=0; i<slic.clusters.size(); i++)
{
for(int j=0; j<slic.clusters[i].size(); j++)
{
int cluster=slic.clusters[i][j];
if(cluster<0)
{
cluster=0;
}
if(contours[cluster].size()==0)
{
contours[cluster].push_back(Point(11111,11111));
contours[cluster].push_back(Point(-1,-1));
}
// if(i==637){cout<<cluster<<" cluster leave "<<endl;}
int xc=i;
int yc=j;
//if(i==637)cout<<" YES 1"<<endl;
contours[cluster].push_back(Point(yc,xc));
contours[cluster][0]=Point(min(contours[cluster][0].x,yc),min(contours[cluster][0].y,xc));
contours[cluster][1]=Point(max(contours[cluster][1].x,yc),max(contours[cluster][1].y,xc));
//if(i==637)cout<<" YES 2"<<endl;
for(int k=0; k<4; k++)
{
int newxc=xc+dxc[k];
int newyc=yc+dyc[k];
if(newxc<0 || newyc<0 || newxc>=slic.clusters.size() || newyc>=slic.clusters[i].size())
{
continue;
}
int newcluster=slic.clusters[newxc][newyc];
if(newcluster<0)
{
newcluster=0;
}
GR[cluster][newcluster]=1;
GR[newcluster][cluster]=1;
len[cluster][newcluster]=len[cluster][newcluster]+1;
//len[newcluster][cluster]=len[newcluster][cluster]+1;
}
}
// cout<<endl;
}
floyd_warshall(slic.centers.size());
cout<<" LEAVING "<<endl;
return contours;
}
double functions::global_graph_computeFramesDist(
IplImage* prev_image,
IplImage* cur_image,
vec3di prev_graph,
vec3di cur_graph,
Slic prev_slic,
Slic cur_slic,
CvPoint p1, /*point by prev. frame*/
CvPoint p2) /*point by cur. frame*/
{
double dist = 0;
int p1_blue = CV_IMAGE_ELEM(prev_image, uchar, p1.y, (p1.x * 3));
int p1_green = CV_IMAGE_ELEM(prev_image, uchar, p1.y, (p1.x * 3) + 1);
int p1_red = CV_IMAGE_ELEM(prev_image, uchar, p1.y, (p1.x * 3) + 2);
int p2_blue = CV_IMAGE_ELEM(cur_image, uchar, p2.y, (p2.x * 3));
int p2_green = CV_IMAGE_ELEM(cur_image, uchar, p2.y, (p2.x * 3) + 1);
int p2_red = CV_IMAGE_ELEM(cur_image, uchar, p2.y, (p2.x * 3) + 2);
int main_part = abs(p1_blue - p2_blue) + abs(p1_green - p2_green) + abs(p1_red - p2_red);
vector<CvPoint> neighbors_cur_points = cur_slic.find_neighbors(cur_image, p1.x, p1.y);
vector<CvPoint> neighbors_prev_points = cur_slic.find_neighbors(prev_image, p2.x, p2.y);
vector<vector<int>> neighbors_cur;
vector<vector<int>> neighbors_prev;
for (int i = 0; i < neighbors_cur_points.size(); i++)
{
vector<int> temp;
for (int j = 0; j < 3; j++)
{
temp.push_back(CV_IMAGE_ELEM(cur_image, uchar, neighbors_cur_points[i].y, neighbors_cur_points[i].x * 3 + j));
}
neighbors_cur.push_back(temp);
}
for (int i = 0; i < neighbors_prev_points.size(); i++)
{
vector<int> temp;
for (int j = 0; j < 3; j++)
{
temp.push_back(CV_IMAGE_ELEM(prev_image, uchar, neighbors_prev_points[i].y, neighbors_prev_points[i].x * 3+ j));
}
neighbors_prev.push_back(temp);
}
int sec_part = 0;
int num = 0;
if (neighbors_cur.size() > neighbors_prev.size())
num = neighbors_prev.size();
else
num = neighbors_cur.size();
for (int i = 0; i < num; i++)
{
for (int j = 0; j < 3; j++)
{
sec_part += abs(neighbors_cur[i][j] - neighbors_prev[i][j]);
}
}
dist = main_part + sec_part;
return dist;
}
void MultiLabelTree::SplitOnSlic(CBranch* node) {
vector<vector<float>> pos;
vector<vector<float>> value;
for (int i = 0; i < node->linked_nodes.size(); ++i) {
pos.push_back(node->linked_nodes[i]->mean_pos);
value.push_back(node->linked_nodes[i]->mean_values);
}
vector<vector<vector<float>>> pixel_data;
vector<vector<int>> node_count;
int imw = (int)sqrt(node->linked_nodes.size()), imh = 200;
imh = (node->top - node->bottom) / (node->right - node->left) * imw;
while (imw * imh < 16 * SLIC_PIXEL_THRESHOLD) {
imh *= 2;
imw *= 2;
}
pixel_data.resize(imh);
node_count.resize(imh);
for (int i = 0; i < imh; ++i) {
pixel_data[i].resize(imw);
node_count[i].resize(imw, 0);
for (int j = 0; j < imw; ++j)
pixel_data[i][j].resize(point_dataset_->var_num, 0);
}
float node_width = node->right - node->left;
float node_height = node->top - node->bottom;
for (int i = 0; i < pos.size(); i++) {
int xi = (int)((pos[i][0] - node->left) / node_width * (imw - 1));
int yi = (int)((pos[i][1] - node->bottom) / node_height * (imh - 1));
node_count[yi][xi]++;
for (int j = 0; j < point_dataset_->var_num; j++)
pixel_data[yi][xi][j] += value[i][j];
}
for (int i = 0; i < imh; ++i)
for (int j = 0; j < imw; ++j)
if (node_count[i][j] != 0) {
for (int k = 0; k < point_dataset_->var_num; ++k)
pixel_data[i][j][k] /= node_count[i][j];
}
VectorFieldData* vfd = new VectorFieldData(pixel_data);
double step = sqrt(imw * imh / (double)SLIC_PIXEL_THRESHOLD);
int nc = 1.0;
Slic slic;
slic.GenerateSuperPixels(vfd, step, nc);
vector<vector<int>>& spixel_index = slic.GetClusters();
vector<vector<float>>& spixel_centers = slic.GetCenters();
vector<int> spixel_count;
spixel_count.resize(spixel_centers.size(), 0);
for (int i = 0; i < imh; ++i)
for (int j = 0; j < imw; ++j)
spixel_count[spixel_index[j][i]] += node_count[i][j];
vector<vector<float>> new_pos;
vector<vector<float>> new_value;
vector<int> spixel_to_node_index;
float scale_rate = node->right - node->left;
for (int i = 0; i < spixel_count.size(); ++i)
if (spixel_count[i] != 0) {
new_pos.push_back(vector<float>{spixel_centers[i][0] / (imw - 1) * scale_rate, spixel_centers[i][1] / (imh - 1) * scale_rate});
vector<float> temp_value;
for (int j = 2; j < spixel_centers[i].size(); ++j)
temp_value.push_back(spixel_centers[i][j]);
new_value.push_back(temp_value);
spixel_to_node_index.push_back(new_pos.size() - 1);
}
else {
spixel_to_node_index.push_back(-1);
}
vector<int> clusters;
//float child_radius = max((node->right - node->left), (node->top - node->bottom)) / 2;
//float child_radius = ((node->right - node->left) + (node->top - node->bottom)) / 4;
//float child_radius = node->radius / factor_;
float child_radius = sqrt((node->right - node->left) * (node->top - node->bottom) / EXPECTED_CLUSTER_NUM);
SplitPoints(new_pos, new_value, child_radius, clusters);
vector<CBranch*> label_nodes;
label_nodes.resize(clusters.size(), NULL);
for (int i = 0; i < pos.size(); i++) {
int xi = (int)((pos[i][0] - node->left) / node_width * (imw - 1));
int yi = (int)((pos[i][1] - node->bottom) / node_height * (imh - 1));
int label = clusters[spixel_to_node_index[spixel_index[xi][yi]]];
if (label_nodes[label] == NULL) {
label_nodes[label] = new CBranch;
label_nodes[label]->set_level(node->level() + 1);
label_nodes[label]->radius = child_radius;
label_nodes[label]->parent = node;
}
label_nodes[label]->linked_nodes.push_back(node->linked_nodes[i]);
node->linked_nodes[i]->set_level(node->level() + 2);
node->linked_nodes[i]->parent = label_nodes[label];
}
vector<CNode*> linked_nodes;
for (int i = 0; i < clusters.size(); ++i)
if (label_nodes[i] != NULL) {
linked_nodes.push_back(label_nodes[i]);
}
for (int i = 0; i < linked_nodes.size(); ++i)
ProgressNodeData(linked_nodes[i]);
vector<int> tour_list;
TourPathGenerator::GenerateRoundPath(linked_nodes, tour_list);
node->linked_nodes.clear();
for (int i = 0; i < tour_list.size(); ++i)
node->linked_nodes.push_back(linked_nodes[tour_list[i]]);
}