public bool popMedia(ref GBUVideoFrame frame)
{
//Console.WriteLine("ImageBuffer" + _imageBufferCount);
if (_imageBufferCount > 0)
{
int frontindex = _imageBufferEmptyIndex - _imageBufferCount;
if (frontindex < 0)
{
frontindex += Constants.MAX_IMAGE_BUFFER;
}
frame.frame = _imageBuffer[frontindex].frame;
frame.camindex = _imageBuffer[frontindex].camindex;
_imageBufferCount--;
return(true);
}
else
{
return(false);
}
}
public bool popMedia(ref GBUVideoFrame frame)
{
//Console.WriteLine("ImageBuffer" + _imageBufferCount);
if (_imageBufferCount > 0)
{
int frontindex = _imageBufferEmptyIndex - _imageBufferCount;
if (frontindex < 0)
{
frontindex += Constants.MAX_IMAGE_BUFFER;
}
frame.frame = _imageBuffer[frontindex].frame;
frame.camindex = _imageBuffer[frontindex].camindex;
_imageBufferCount--;
return true;
}
else
{
return false;
}
}
public void ANPRThreadFunction()
{
List <string> anpr_result = new List <string>();
List <PLATE_CANDIDATE> plate_candidates = new List <PLATE_CANDIDATE>();
GBUVideoFrame frame = new GBUVideoFrame();
while (_isANPRThreadRun)
{
if (popMedia(ref frame))
{
anpr_result.Clear();
gxImage targetImg = new gxImage("default");
targetImg.LoadFromMem(frame.frame, (int)GX_PIXELFORMATS.GX_RGB);
if (getValidPlates(targetImg, ref anpr_result) > 0)
{
// Remove old results
int currentTime = Environment.TickCount;
for (int i = plate_candidates.Count - 1; i >= 0; i--)
{
if (currentTime - plate_candidates[i].firstfoundTime > Constants.CANDIDATE_REMOVE_TIME)
{
plate_candidates.RemoveAt(i);
}
}
// Check duplicate
for (int i = 0; i < anpr_result.Count; i++)
{
bool isNew = true;
for (int j = 0; j < plate_candidates.Count; j++)
{
//if (_tcsnccmp(anpr_result[i].c_str(), plate_candidates[j].plate_string, _tcslen(anpr_result[i].c_str())) == 0) {
if (anpr_result[i].Equals(plate_candidates[j].plate_string) ||
(anpr_result[i].Substring(anpr_result[i].Length - 4, 4).Equals(plate_candidates[j].plate_string.Substring(plate_candidates[j].plate_string.Length - 4, 4))))
{
isNew = false;
#if (!FAST_DETECT)
PLATE_CANDIDATE modified;
modified.firstfoundTime = plate_candidates[j].firstfoundTime;
modified.foundCount = plate_candidates[j].foundCount + 1;
modified.id = plate_candidates[j].id;
modified.plate_string = plate_candidates[j].plate_string;
plate_candidates.RemoveAt(j);
plate_candidates.Add(modified);
if (modified.foundCount == CANDIDATE_COUNT_FOR_PASS)
{
// Announce Event
//SetLog(cropregion, plate_candidates[j].plate_string, TEXT("msg"));
//wchar_t eventlog[1024];
//wsprintf(eventlog, TEXT("%s\t"), plate_candidates[j].plate_string);
//OutputDebugString(eventlog);
Console.WriteLine("Detected candidate : " + modified.plate_string);
ANPRDetected(_camID, modified.plate_string, frame.frame);
}
break;
#endif
}
}
if (isNew)
{
currentTime = Environment.TickCount;
PLATE_CANDIDATE newItem;
newItem.firstfoundTime = currentTime;
newItem.foundCount = 1;
newItem.plate_string = anpr_result[i];
newItem.id = 0;
plate_candidates.Add(newItem);
#if (FAST_DETECT)
Console.WriteLine("Detected candidate : " + newItem.plate_string);
ANPRDetected(_camID, newItem.plate_string, frame.frame);
#endif
}
}
}
}
// end of thread cycle
Thread.Sleep(1);
}
}
public void ANPRThreadFunction()
{
List<string> anpr_result = new List<string>();
List<PLATE_CANDIDATE> plate_candidates = new List<PLATE_CANDIDATE>();
GBUVideoFrame frame = new GBUVideoFrame();
while (_isANPRThreadRun)
{
if (popMedia(ref frame))
{
anpr_result.Clear();
gxImage targetImg = new gxImage("default");
targetImg.LoadFromMem(frame.frame, (int)GX_PIXELFORMATS.GX_RGB);
if (getValidPlates(targetImg, ref anpr_result) > 0)
{
// Remove old results
int currentTime = Environment.TickCount;
for (int i = plate_candidates.Count - 1; i >= 0; i--)
{
if (currentTime - plate_candidates[i].firstfoundTime > Constants.CANDIDATE_REMOVE_TIME)
{
plate_candidates.RemoveAt(i);
}
}
// Check duplicate
for (int i = 0; i < anpr_result.Count; i++)
{
bool isNew = true;
for (int j = 0; j < plate_candidates.Count; j++)
{
//if (_tcsnccmp(anpr_result[i].c_str(), plate_candidates[j].plate_string, _tcslen(anpr_result[i].c_str())) == 0) {
if (anpr_result[i].Equals(plate_candidates[j].plate_string) ||
(anpr_result[i].Substring(anpr_result[i].Length - 4, 4).Equals(plate_candidates[j].plate_string.Substring(plate_candidates[j].plate_string.Length - 4, 4))))
{
isNew = false;
#if (!FAST_DETECT)
PLATE_CANDIDATE modified;
modified.firstfoundTime = plate_candidates[j].firstfoundTime;
modified.foundCount = plate_candidates[j].foundCount + 1;
modified.id = plate_candidates[j].id;
modified.plate_string = plate_candidates[j].plate_string;
plate_candidates.RemoveAt(j);
plate_candidates.Add(modified);
if (modified.foundCount == CANDIDATE_COUNT_FOR_PASS)
{
// Announce Event
//SetLog(cropregion, plate_candidates[j].plate_string, TEXT("msg"));
//wchar_t eventlog[1024];
//wsprintf(eventlog, TEXT("%s\t"), plate_candidates[j].plate_string);
//OutputDebugString(eventlog);
Console.WriteLine("Detected candidate : " + modified.plate_string);
ANPRDetected(_camID, modified.plate_string, frame.frame);
}
break;
#endif
}
}
if (isNew)
{
currentTime = Environment.TickCount;
PLATE_CANDIDATE newItem;
newItem.firstfoundTime = currentTime;
newItem.foundCount = 1;
newItem.plate_string = anpr_result[i];
newItem.id = 0;
plate_candidates.Add(newItem);
#if (FAST_DETECT)
Console.WriteLine("Detected candidate : " + newItem.plate_string);
ANPRDetected(_camID, newItem.plate_string, frame.frame);
#endif
}
}
}
}
// end of thread cycle
Thread.Sleep(1);
}
}
