/// <summary>
/// Gets the category info on a stream of images via the <a href="https://azure.microsoft.com/en-us/services/cognitive-services/computer-vision/">Microsoft Cognitive Services Vision API.</a>.
/// </summary>
/// <param name="source">The source stream of images.</param>
/// <param name="subscriptionKey">The Azure subscription key to use.</param>
/// <param name="region">The region for the Azure subscription.</param>
/// <param name="deliveryPolicy">An optional delivery policy.</param>
/// <param name="name">An optional name for the stream operator.</param>
/// <returns>A stream of category info.</returns>
/// <remarks>
/// A <a href="https://azure.microsoft.com/en-us/services/cognitive-services/computer-vision/">Microsoft Cognitive Services Vision API</a>
/// subscription key is required to use this operator. For more information, see the full direct API for.
/// <a href="https://azure.microsoft.com/en-us/services/cognitive-services/computer-vision/">Microsoft Cognitive Services Vision API</a>
/// </remarks>
public static IProducer <IList <Category> > GetCategories(
this IProducer <Shared <Image> > source,
string subscriptionKey,
string region,
DeliveryPolicy <Shared <Image> > deliveryPolicy = null,
string name = nameof(GetCategories))
=> source.GetImageAnalyzerInfo(subscriptionKey, region, VisualFeatureTypes.Categories, ia => ia?.Categories, deliveryPolicy, name);
/// <summary>
/// Gets the color info on a stream of images via the <a href="https://azure.microsoft.com/en-us/services/cognitive-services/computer-vision/">Microsoft Cognitive Services Vision API.</a>.
/// </summary>
/// <param name="source">The source stream of images.</param>
/// <param name="subscriptionKey">The Azure subscription key to use.</param>
/// <param name="region">The region for the Azure subscription.</param>
/// <param name="deliveryPolicy">An optional delivery policy.</param>
/// <param name="name">An optional name for the stream operator.</param>
/// <returns>A stream of color info.</returns>
/// <remarks>
/// A <a href="https://azure.microsoft.com/en-us/services/cognitive-services/computer-vision/">Microsoft Cognitive Services Vision API</a>
/// subscription key is required to use this operator. For more information, see the full direct API for.
/// <a href="https://azure.microsoft.com/en-us/services/cognitive-services/computer-vision/">Microsoft Cognitive Services Vision API</a>
/// </remarks>
public static IProducer <ColorInfo> GetColor(
this IProducer <Shared <Image> > source,
string subscriptionKey,
string region,
DeliveryPolicy <Shared <Image> > deliveryPolicy = null,
string name = nameof(GetColor))
=> source.GetImageAnalyzerInfo(subscriptionKey, region, VisualFeatureTypes.Color, ia => ia?.Color, deliveryPolicy, name);
/// <summary>
/// Gets the image description details on a stream of images via the <a href="https://azure.microsoft.com/en-us/services/cognitive-services/computer-vision/">Microsoft Cognitive Services Vision API.</a>.
/// </summary>
/// <param name="source">The source stream of images.</param>
/// <param name="subscriptionKey">The Azure subscription key to use.</param>
/// <param name="region">The region for the Azure subscription.</param>
/// <param name="deliveryPolicy">An optional delivery policy.</param>
/// <param name="name">An optional name for the stream operator.</param>
/// <returns>A stream of image description details.</returns>
/// <remarks>
/// A <a href="https://azure.microsoft.com/en-us/services/cognitive-services/computer-vision/">Microsoft Cognitive Services Vision API</a>
/// subscription key is required to use this operator. For more information, see the full direct API for.
/// <a href="https://azure.microsoft.com/en-us/services/cognitive-services/computer-vision/">Microsoft Cognitive Services Vision API</a>
/// </remarks>
public static IProducer <ImageDescriptionDetails> GetDescription(
this IProducer <Shared <Image> > source,
string subscriptionKey,
string region,
DeliveryPolicy <Shared <Image> > deliveryPolicy = null,
string name = nameof(GetDescription))
=> source.GetImageAnalyzerInfo(subscriptionKey, region, VisualFeatureTypes.Description, ia => ia?.Description, deliveryPolicy, name);