private void StartTeachingThreads()
{
int threadCount = Math.Min(imagesToTeach.Count, 2 * Environment.ProcessorCount);
int threadPart = imagesToTeach.Count / threadCount;
var barrier = new Barrier(threadCount, item => isTeaching = false);
var threadParameters = new TeachThreadParameter[threadCount];
for (int i = 0; i < threadCount; ++i)
{
threadParameters[i] = new TeachThreadParameter(
threadPart * i, ((i + 1) < threadCount) ? (threadPart * (i + 1)) : (imagesToTeach.Count),
barrier);
ThreadPool.QueueUserWorkItem(new WaitCallback(TeachThread), threadParameters[i]);
}
}
private void TeachThread(object parameter)
{
TeachThreadParameter input = parameter as TeachThreadParameter;
if (input == null)
{
throw new ArgumentNullException("Неправильный параметр потока.");
}
var delta = 1.0 / filesToTeach.Count;
for (int i = input.From; (i < input.To) && (!isTeachingAborted); ++i)
{
try
{
var image = new SimpleImage(imagesToTeach[i]);
var imageData = image.GetGrayData();
var lbp = new LBPCreator(imageData, true, true, false);
var glcm = new GLCMCreator(imageData, true, true, false);
AddFeatures(glcm.Feature, lbp.Feature, filesToTeach[i]);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
continue;
}
finally
{
lock ((knownFiles as ICollection).SyncRoot)
{
teachProgress += delta;
}
}
}
input.CommonBarrier.SignalAndWait();
}
private void StartTeachingThreads()
{
int threadCount = Math.Min(imagesToTeach.Count, 2 * Environment.ProcessorCount);
int threadPart = imagesToTeach.Count / threadCount;
var barrier = new Barrier(threadCount, item => isTeaching = false);
var threadParameters = new TeachThreadParameter[threadCount];
for (int i = 0; i < threadCount; ++i)
{
threadParameters[i] = new TeachThreadParameter(
threadPart * i, ((i + 1) < threadCount) ? (threadPart * (i + 1)) : (imagesToTeach.Count),
barrier);
ThreadPool.QueueUserWorkItem(new WaitCallback(TeachThread), threadParameters[i]);
}
}
