/// <summary>
/// Relabels all datasets using a label mapping collection.
/// </summary>
/// <param name="col">Specifies the label mapping collection.</param>
public void Relabel(LabelMappingCollection col)
{
foreach (DatasetEx ds in m_rgDatasets)
{
ds.Relabel(col);
}
}
/// <summary>
/// Applies the label mapping to the image set.
/// </summary>
/// <param name="col"></param>
public void Relabel(LabelMappingCollection col)
{
foreach (SimpleDatum sd in m_rgImages)
{
sd.SetLabel(col.MapLabel(sd.OriginalLabel));
}
ReloadLabelSets();
}
/// <summary>
/// Returns a copy of the label mapping collection.
/// </summary>
/// <returns></returns>
public LabelMappingCollection Clone()
{
LabelMappingCollection col = new LabelMappingCollection();
foreach (LabelMapping m in m_rgMappings)
{
col.Add(m.Clone());
}
return(col);
}
/// <summary>
/// Compares one label mapping collection to another.
/// </summary>
/// <param name="col">Specifies the other collection to compare.</param>
/// <returns>If the two collections are the same, <i>true</i> is returned, otherwise <i>false</i> is returned.</returns>
public bool Compare(LabelMappingCollection col)
{
Sort();
col.Sort();
string strA = ToString();
string strB = col.ToString();
if (strA == strB)
{
return(true);
}
return(false);
}
/// <summary>
/// Relabels both the testing and training image sets using the label mapping collection.
/// </summary>
/// <param name="col">Specifies the label mapping collection.</param>
public void Relabel(LabelMappingCollection col)
{
m_TestingImages.Relabel(col);
m_TrainingImages.Relabel(col);
}
/// <summary>
/// Parses a list of strings where each string is a label mapping.
/// </summary>
/// <param name="rgstrMappings">Specifies the list of label mapping strings.</param>
/// <returns>The new LabelMappingCollection is returned.</returns>
public static LabelMappingCollection Parse(List <string> rgstrMappings)
{
LabelMappingCollection col = new LabelMappingCollection();
List <string> rgstrSeparators = new List <string>()
{
"->"
};
foreach (string strMapping in rgstrMappings)
{
string[] rgstr = strMapping.Split(rgstrSeparators.ToArray(), StringSplitOptions.RemoveEmptyEntries);
if (rgstr.Length != 2)
{
throw new Exception("Each label mapping should have the format 'original->new_label'.");
}
if (rgstr[0].Length == 0 || rgstr[1].Length == 0)
{
throw new Exception("Each label mapping should have the format 'original->new_label'.");
}
string str1 = rgstr[0].Trim('\"');
string str2 = rgstr[1].Trim('\"');
int? nConditionBoostEquals = null;
int? nConditionFalse = null;
rgstr = str2.Split('?');
if (rgstr.Length > 1)
{
str2 = rgstr[0].Trim();
string strCondition = "";
string strRightSide = rgstr[1].Trim();
rgstr = strRightSide.Split(',');
if (rgstr.Length == 2)
{
string str3 = rgstr[0].Trim();
if (str3.Length > 0)
{
nConditionFalse = int.Parse(str3);
}
strCondition = rgstr[1].Trim();
}
else if (rgstr.Length == 1)
{
strCondition = rgstr[0].Trim();
}
else
{
throw new Exception("Invalid mapping format! Expected format <true_int>?<false_int>,boost=<int>");
}
rgstr = strCondition.Split('=');
if (rgstr.Length != 2 || rgstr[0].Trim().ToLower() != "boost")
{
throw new Exception("Invalid boost condition! Expected format = ?boost=<int>");
}
nConditionBoostEquals = int.Parse(rgstr[1].Trim());
}
col.Add(new LabelMapping(int.Parse(str1), int.Parse(str2), nConditionBoostEquals, nConditionFalse));
}
return(col);
}
