predictionRequest

PredictionRequest.swift

private lazy var predictionRequest: VNCoreMLRequest = {
    // Load the ML model through its generated class and create a Vision request for it.
    do {
        let model = try VNCoreMLModel(for: HandModel().model)
        let request = VNCoreMLRequest(model: model)

        // This setting determines if images are scaled or cropped to fit our 224x224 input size. Here we try scaleFill so we don't cut part of the image.
        request.imageCropAndScaleOption = VNImageCropAndScaleOption.scaleFill
        return request
    } catch {
        fatalError("can't load Vision ML model: \(error)")
    }
}()