//////////////////////////////////////////////////////////////////////////////////////
public void PrintHeadInfo(ref CX_HeadInfo hi)
{
//Console.WriteLine("*** PrintHeadInfo ***");
Console.WriteLine("Frame num:" + hi.m_frame_number + " Head ID:" + hi.m_head_id + " size(r,c)=(" + hi.m_rows + "," + hi.m_cols + ")");
if (!hi.m_head_ok)
{
Console.WriteLine("head_ok=false");
}
else
{
Console.WriteLine("head_ok=true");
Console.Write("bl(" + hi.m_head_bl_x + "," + hi.m_head_bl_y + ")");
Console.Write("tr(" + hi.m_head_tr_x + "," + hi.m_head_tr_y + ")");
}
Console.Write("\n");
if (!hi.m_face_ok)
{
Console.WriteLine("m_face_ok=false");
}
else
{
Console.WriteLine("m_face_ok=true");
Console.Write("bl(" + hi.m_face_bl_x + "," + hi.m_face_bl_y + ")");
Console.Write("tr(" + hi.m_face_tr_x + "," + hi.m_face_tr_y + ")");
}
Console.Write("\n");
if (hi.m_has_annotation_set)
{
Console.WriteLine("conf: " + hi.m_confidence + ", focus: " + hi.m_focus + ", has anns=true");
}
else
{
Console.WriteLine("has anna = false");
}
}
//////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////
public void PrintHeadListData(uint frame_number, IntPtr p_head_list, bool details)
{
//Console.WriteLine("*** PrintHeadListData ***");
int n_heads = CX_GetHeadListSize(p_head_list, msg);
if (n_heads < 0)
{
Console.WriteLine("Frame " + frame_number + " Error: " + msg);
}
else
{
if (details)
{
Console.WriteLine("FRAME " + frame_number + ", Tracking " + n_heads + " HEADS");
for (int i = 0; i < n_heads; i++)
{
IntPtr p_head = CX_GetHead(p_head_list, i, msg);
if (p_head == IntPtr.Zero)
{
Console.WriteLine("Failed to get head " + i + " of " + n_heads + " heads: " + msg);
}
else
{
PrintHeadData(frame_number, i, p_head);
}
}
}
else
{
Console.Write("FRAME " + frame_number + ", Tracking " + n_heads + " HEADS ");
for (int i = 0; i < n_heads; i++)
{
IntPtr p_head = CX_GetHead(p_head_list, i, msg);
if (p_head == IntPtr.Zero)
{
Console.Write("Failed to get head " + i + " of " + n_heads + " heads:" + msg);
}
else
{
CX_HeadInfo hi = new CX_HeadInfo();
if (1 == CX_GetHeadInfo(p_head, ref hi, msg))
{
Console.Write("Head ID:" + hi.m_head_id);
}
}
}
Console.Write("\n");
}
}
}
//////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////
public void PrintHeadData(uint frame_number, int head_index, IntPtr p_head)
{
//Console.WriteLine("*** PrintHeadData ***");
CX_HeadInfo hi = new CX_HeadInfo();;
if (0 == CX_GetHeadInfo(p_head, ref hi, msg))
{
Console.WriteLine("Frame " + frame_number + ": Failed to get head " + head_index + " info: " + msg);
}
else
{
PrintHeadInfo(ref hi);
PrintHeadFR(p_head);
}
}
//////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////
public void TestDetectHeads()
{
// as an example we are going to load an image from the example sequence
//string image_file = "C:/CyberExtruder/Aureus/SequentialFrames/Doorway4/M001.jpg";
//string image_file = "D:/CyberBase/data/Gallery/Tygart/Roby/bounding_box/A.jpg";
string image_file = "D:/CyberBase/data/Gallery/Tygart/Roby/bounding_box/B.jpg";
//string image_file = "D:/CyberBase/data/Gallery/Tygart/Roby/bounding_box/C.bmp";
Console.WriteLine("Detecting heads in image: \n" + image_file);
// set detection parameters
float top = 0.0f;
float left = 0.0f;
float height = 1.0f;
float width = 1.0f;
float minh = 0.2f;
float maxh = 1.0f;
if (0 == CX_SetDetectionParameters(mp_video, top, left, height, width, minh, maxh, msg))
{
Console.WriteLine(msg);
return;
}
// set frame reduction step
int frame_reduction_step = 1;
if (0 == CX_SetFrameReductionStep(mp_video, frame_reduction_step, msg))
{
Console.WriteLine(msg);
return;
}
frame_reduction_step = CX_GetFrameReductionStep(mp_video, msg);
Console.WriteLine("Frame Reduction step = " + frame_reduction_step);
// data to store detected head
CX_HeadInfo hi = new CX_HeadInfo();
// load the image
Bitmap im = new Bitmap(image_file);
// lock the bits as we are going to pass it into Aureus
Rectangle rect = new Rectangle(0, 0, im.Width, im.Height);
BitmapData bmpData = im.LockBits(rect, ImageLockMode.ReadWrite, im.PixelFormat);
// construct a CX_RAM_Image struct
CX_RAM_Image rim = new CX_RAM_Image();
rim.mp_pixels = bmpData.Scan0; // the pointer to the first line, hence first pixel
rim.m_rows = (uint)im.Height;
rim.m_cols = (uint)im.Width;
rim.m_origin = 0; // C# loaded Bitmaps usually have a top left origin
// set the RAM image pixel format (we only use 24 & 32 bit here)
bool format_ok = true;
if (im.PixelFormat.Equals(PixelFormat.Format24bppRgb))
{
rim.m_type = 3; // BGR
}
else if (im.PixelFormat.Equals(PixelFormat.Format32bppArgb))
{
rim.m_type = 4; // BGRA
}
else if (im.PixelFormat.Equals(PixelFormat.Format32bppPArgb))
{
rim.m_type = 4; // BGRA
}
else if (im.PixelFormat.Equals(PixelFormat.Format32bppRgb))
{
rim.m_type = 4; // BGRA
}
//if (im.PixelFormat.Equals(PixelFormat.Format24bppRgb)) rim.m_type = 0; // RGB
//else if (im.PixelFormat.Equals(PixelFormat.Format32bppArgb)) rim.m_type = 1; // RGBA
//else if (im.PixelFormat.Equals(PixelFormat.Format32bppPArgb)) rim.m_type = 1; // RGBA
//else if (im.PixelFormat.Equals(PixelFormat.Format32bppRgb)) rim.m_type = 1; // RGBA
else
{
format_ok = false;
}
if (!format_ok)
{
Console.WriteLine("ERROR! can't use this format");
return;
}
// detect the heads
int use_face_detector = 1;
int use_fail_safe = 1;
int n = CX_DetectHeads(mp_video, ref rim, 1, ref hi, 1, use_face_detector, use_fail_safe, msg);
string txt = "Detected " + n.ToString() + " Heads";
Console.WriteLine(txt);
if (n > 0)
{
// here we convert to pixels with origin top left to easily
// enable us to see where on the image the detection occurs
if (hi.m_face_ok)
{
// swap origin
hi.m_face_bl_y = 1.0f - hi.m_face_bl_y;
hi.m_face_tr_y = 1.0f - hi.m_face_tr_y;
// convert to pixels
hi.m_face_bl_x *= im.Width;
hi.m_face_bl_y *= im.Height;
hi.m_face_tr_x *= im.Width;
hi.m_face_tr_y *= im.Height;
}
if (hi.m_head_ok)
{
// swap origin
hi.m_head_bl_y = 1.0f - hi.m_head_bl_y;
hi.m_head_tr_y = 1.0f - hi.m_head_tr_y;
// convert to pixels
hi.m_head_bl_x *= im.Width;
hi.m_head_bl_y *= im.Height;
hi.m_head_tr_x *= im.Width;
hi.m_head_tr_y *= im.Height;
}
PrintHeadInfo(ref hi);
}
}
public static extern int CX_DetectHeads(IntPtr p_video, ref CX_RAM_Image p_im, int frame_number, ref CX_HeadInfo p_head_info_array, int array_size, int use_face_detector, int fail_safe, [Out] StringBuilder message);
public static extern int CX_GetHeadInfo(IntPtr p_head, ref CX_HeadInfo p_info, [Out] StringBuilder message);
