private void CalculateGLCM(object parameter)
{
GLCMThreadParameter data = parameter as GLCMThreadParameter;
if (data == null)
{
throw new ArgumentNullException("Неправильный параметр потока.");
}
for (int i = data.From; i < data.To; ++i)
{
var feature = GetGLCMFeature(data.Fragments[i]);
data.Result.Add(feature);
}
data.ResetEvent.Set();
}
private List <GLCMFeature> GetSubfeatures()
{
var fragments = GetFragments();
int threadCount = Math.Min(fragments.Count, RecognitionParameters.FragmentProcessThreadCount);
threadCount = (isMultithread) ? (threadCount) : (1);
int threadPart = fragments.Count / threadCount;
var resetEvents = new ManualResetEvent[threadCount];
var threadParameters = new GLCMThreadParameter[threadCount];
for (int i = 0; i < threadCount; ++i)
{
resetEvents[i] = new ManualResetEvent(false);
threadParameters[i] = new GLCMThreadParameter(
threadPart * i,
((i + 1) < threadCount) ? (threadPart * (i + 1)) : (fragments.Count),
fragments, resetEvents[i]);
if (threadCount > 1)
{
ThreadPool.QueueUserWorkItem(new WaitCallback(CalculateGLCM), threadParameters[i]);
}
else
{
CalculateGLCM(threadParameters[i]);
}
}
WaitHandle.WaitAll(resetEvents);
var list = new List <GLCMFeature>();
for (int i = 0; i < threadCount; ++i)
{
list.AddRange(threadParameters[i].Result);
}
return(list);
}
private List<GLCMFeature> GetSubfeatures()
{
var fragments = GetFragments();
int threadCount = Math.Min(fragments.Count, RecognitionParameters.FragmentProcessThreadCount);
threadCount = (isMultithread) ? (threadCount) : (1);
int threadPart = fragments.Count / threadCount;
var resetEvents = new ManualResetEvent[threadCount];
var threadParameters = new GLCMThreadParameter[threadCount];
for (int i = 0; i < threadCount; ++i)
{
resetEvents[i] = new ManualResetEvent(false);
threadParameters[i] = new GLCMThreadParameter(
threadPart * i,
((i + 1) < threadCount) ? (threadPart * (i + 1)) : (fragments.Count),
fragments, resetEvents[i]);
if (threadCount > 1)
{
ThreadPool.QueueUserWorkItem(new WaitCallback(CalculateGLCM), threadParameters[i]);
}
else
{
CalculateGLCM(threadParameters[i]);
}
}
WaitHandle.WaitAll(resetEvents);
var list = new List<GLCMFeature>();
for (int i = 0; i < threadCount; ++i)
{
list.AddRange(threadParameters[i].Result);
}
return list;
}
