/// <summary>
/// Sum all relevant labels in the @imageLabels container.
/// </summary>
/// <returns></returns>
public double SumOfRelevantLabels(
IEnumerable <string> relevantLabels,
ImageLabels imageLabels
)
{
return(imageLabels.LabelValues
.Where(t => relevantLabels.Contains(t.Key))
.Sum(t => t.Value));
}
public List <string> GenerateQueryFromLabels(ImageLabels imageLabels)
{
var sortedLabels =
imageLabels.LabelValues.OrderByDescending(x => x.Value).ToList();
var queriesWithLabels = sortedLabels.Take(3).ToList();
return(queriesWithLabels.Select(t => t.Key).ToList());
}
public List <string> GetTopNLabels(int numberOfTopLabels, ImageLabels imageLabels)
{
if (numberOfTopLabels > imageLabels.LabelValues.Count)
{
throw new ArgumentException("Cannot select more label values than the number of labels loaded");
}
return(imageLabels.LabelValues
.OrderByDescending(x => x.Value)
.Take(numberOfTopLabels)
.Select(t => t.Key)
.ToList());
}
public void CorrectGetTopNTest()
{
var labelSorterService = new LabelSorterService();
var labelValues = new Dictionary <string, double>
{
["car"] = 0.1,
["dark"] = 0.2,
["wheel"] = 0.3,
["sky"] = 0.4
};
var imageLabels = new ImageLabels(
"randomId1",
labelValues
);
var top2LabelValues = labelSorterService.GetTopNLabels(2, imageLabels);
Assert.True(top2LabelValues.Count == 2);
Assert.True(top2LabelValues[0] == "sky");
Assert.True(top2LabelValues[1] == "wheel");
}
/// <summary>
/// Outputs sum of all relevant query parameters.
/// </summary>
private static double SumQueries(ICollection <string> queryParams, ImageLabels imageLabels)
{
var labels = imageLabels.LabelValues.ToList();
return(labels.Where(t => queryParams.Contains(t.Key)).Sum(t => t.Value));
}
