/// <summary>
/// Vectorizes the image as the numeric byte values of its pixels.
/// The output vector is output in height then width major order, with the channels being the most minor (if
/// <paramref name="interleaveArgb"/> is true) or major (if <paramref name="interleaveArgb"/> is false) dimension.
/// </summary>
/// <param name="input">The input image to extract</param>
/// <param name="useAlpha">Whether the alpha channel should be extracted</param>
/// <param name="useRed">Whether the red channel should be extracted</param>
/// <param name="useGreen">Whether the green channel should be extracted</param>
/// <param name="useBlue">Whether the blue channel should be extracted</param>
/// <param name="interleaveArgb">Whether the pixel values should be interleaved, as opposed to being separated by channel</param>
/// <returns>The vectorized image</returns>
/// <seealso cref="ImagePixelExtractorEstimator"/>
public static Vector <byte> ExtractPixelsAsBytes(this Scalar <Bitmap> input, bool useAlpha = false, bool useRed = true,
bool useGreen = true, bool useBlue = true, bool interleaveArgb = false)
{
var colParams = new ImagePixelExtractorTransform.Column
{
UseAlpha = useAlpha,
UseRed = useRed,
UseGreen = useGreen,
UseBlue = useBlue,
InterleaveArgb = interleaveArgb,
Convert = false
};
return(new ImagePixelExtractorEstimator.OutPipelineColumn <byte>(input, colParams));
}
/// <summary>
/// Vectorizes the image as the numeric values of its pixels converted and possibly transformed to floating point values.
/// The output vector is output in height then width major order, with the channels being the most minor (if
/// <paramref name="interleaveArgb"/> is true) or major (if <paramref name="interleaveArgb"/> is false) dimension.
/// </summary>
/// <param name="input">The input image to extract</param>
/// <param name="useAlpha">Whether the alpha channel should be extracted</param>
/// <param name="useRed">Whether the red channel should be extracted</param>
/// <param name="useGreen">Whether the green channel should be extracted</param>
/// <param name="useBlue">Whether the blue channel should be extracted</param>
/// <param name="interleaveArgb">Whether the pixel values should be interleaved, as opposed to being separated by channel</param>
/// <param name="scale">Scale the normally 0 through 255 pixel values by this amount</param>
/// <param name="offset">Add this amount to the pixel values, before scaling</param>
/// <returns>The vectorized image</returns>
/// <seealso cref="ImagePixelExtractorEstimator"/>
public static Vector <float> ExtractPixels(this Scalar <Bitmap> input, bool useAlpha = false, bool useRed = true,
bool useGreen = true, bool useBlue = true, bool interleaveArgb = false, float scale = 1.0f, float offset = 0.0f)
{
var colParams = new ImagePixelExtractorTransform.Column
{
UseAlpha = useAlpha,
UseRed = useRed,
UseGreen = useGreen,
UseBlue = useBlue,
InterleaveArgb = interleaveArgb,
Scale = scale,
Offset = offset,
Convert = true
};
return(new ImagePixelExtractorEstimator.OutPipelineColumn <float>(input, colParams));
}
