62 lines
2.1 KiB
Swift
62 lines
2.1 KiB
Swift
import Cocoa
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import CreateML
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let defaultIterations = 17
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let defaultWorkingDirectory = URL(fileURLWithPath: "/Users/imac/Development/CapCollectorData")
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let defaultTrainDirectory = defaultWorkingDirectory.appendingPathComponent("images")
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let defaultClassifierFile = defaultWorkingDirectory.appendingPathComponent("classifier.mlmodel")
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func readArguments() -> (images: URL, classifier: URL, iterations: Int) {
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let count = CommandLine.argc
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guard count > 1 else {
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// No arguments
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return (defaultTrainDirectory, defaultClassifierFile, defaultIterations)
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}
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// First argument is the image directory
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let imageDir = URL(fileURLWithPath: CommandLine.arguments[1])
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let classifier = imageDir.deletingLastPathComponent().appendingPathComponent("classifier.mlmodel")
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guard count > 2 else {
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// Single argument is the image directory
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return (imageDir, classifier, defaultIterations)
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}
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// Second argument is the iteration count
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guard let iterations = Int(CommandLine.arguments[2]) else {
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print("[ERROR] Invalid iterations argument '\(CommandLine.arguments[2])'")
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exit(-1)
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}
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guard count > 3 else {
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return (imageDir, classifier, iterations)
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}
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// Third argument is the classifier path
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let classifierPath = URL(fileURLWithPath: CommandLine.arguments[3])
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if count > 4 {
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print("[WARNING] Ignoring additional arguments")
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}
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return (imageDir, classifierPath, iterations)
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}
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let arguments = readArguments()
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print("[INFO] Using images in \(arguments.images.path)")
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print("[INFO] Training for \(arguments.iterations) iterations")
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print("[INFO] Classifier path set to \(arguments.classifier.path)")
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var params = MLImageClassifier.ModelParameters(augmentation: [])
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params.maxIterations = arguments.iterations
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let model = try MLImageClassifier(
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trainingData: .labeledDirectories(at: arguments.images),
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parameters: params)
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print("[INFO] Writing classifier...")
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try model.write(to: arguments.classifier)
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/*
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let evaluation = model.evaluation(on: .labeledDirectories(at: trainDirectory))
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print("Printing evaluation:")
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print(evaluation)
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print("Finished evaluation")
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*/
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