def RemoveSmallObjects_(request):
    return class_mock(
        request, "histolab.filters.morphological_filters.RemoveSmallObjects")
def OtsuThreshold_(request):
    return class_mock(request, "histolab.filters.image_filters.OtsuThreshold")
def BinaryDilation_(request):
    return class_mock(request,
                      "histolab.filters.morphological_filters.BinaryDilation")
def RgbToGrayscale_(request):
    return class_mock(request, "histolab.filters.image_filters.RgbToGrayscale")