const int ImageHeight = 224;
const int ImageWidth = 224;

var pipeline = new ImageLoadingEstimator(_mlContext, string.Empty, ("ImageData", "ImagePath"))
           .Append(_mlContext.Transforms.Resize("ImageResized", imageWidth: ImageWidth, imageHeight: ImageHeight, inputColumnName: "ImageData"))
           .Append(_mlContext.Transforms.ExtractPixels(new ColumnInfo("input", "ImageResized", colors: ColorBits.Rgb, interleave:true, asFloat: true, offset: 128f, scale: 1 /255f)))
           .Append(new TensorFlowEstimator(_mlContext, new string[] { @"MobilenetV2/Predictions/Reshape_1" }, new string[] { "input" }, _modelFilePath))