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val trainDataset = OnHeapDataset.create(File(datasetPath, "train"), labelGenerator, preprocessing) | |
val valDataset = OnHeapDataset.create(File(datasetPath, "val"), labelGenerator, preprocessing) |
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val preprocessing = preprocess { | |
transformImage { | |
centerCrop { | |
size = 214 | |
} | |
pad { | |
top = 10 | |
bottom = 10 | |
left = 10 | |
right = 10 |
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model.use { | |
it.compile( | |
optimizer = Adam(clipGradient = ClipGradientByValue(0.1f)), | |
loss = Losses.SOFT_MAX_CROSS_ENTROPY_WITH_LOGITS, | |
metric = Metrics.ACCURACY | |
) | |
it.logSummary() | |
it.fit( |
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val earlyStopping = EarlyStopping( | |
monitor = EpochTrainingEvent::valLossValue, | |
minDelta = 0.0, | |
patience = 2, | |
verbose = true, | |
mode = EarlyStoppingMode.AUTO, | |
baseline = 0.1, | |
restoreBestWeights = false | |
) | |
val terminateOnNaN = TerminateOnNaN() |
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model.use { | |
it.compile( | |
optimizer = Adam(), | |
loss = Losses.SOFT_MAX_CROSS_ENTROPY_WITH_LOGITS, | |
metric = Metrics.ACCURACY | |
) | |
it.loadWeightsForFrozenLayers(hdfFile) | |
it.fit( |
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val topModel = Sequential.of( | |
GlobalAvgPool2D( | |
name = "top_avg_pool", | |
), | |
Dense( | |
name = "top_dense", | |
kernelInitializer = GlorotUniform(), | |
biasInitializer = GlorotUniform(), | |
outputSize = 200, | |
activation = Activations.Relu |
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val modelHub = TFModelHub(cacheDirectory = File("cache/pretrainedModels")) | |
val modelType = TFModels.CV.ResNet50(noTop = true, inputShape = intArrayOf(IMAGE_SIZE, IMAGE_SIZE, NUM_CHANNELS)) | |
val noTopModel = modelHub.loadModel(modelType) |
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model.use { poseDetectionModel -> | |
val imageFile = … | |
val detectedPoses = poseDetectionModel.detectPoses(imageFile = imageFile, confidence = 0.0f) | |
detectedPoses.multiplePoses.forEach { detectedPose -> | |
println("Found ${detectedPose.first.classLabel} with probability ${detectedPose.first.probability}") | |
detectedPose.second.poseLandmarks.forEach { | |
println("Found ${it.poseLandmarkLabel} with probability ${it.probability}") | |
} |
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val modelHub = ONNXModelHub(cacheDirectory = File("cache/pretrainedModels")) | |
val model = ONNXModels.PoseDetection.MoveNetMultiPoseLighting.pretrainedModel(modelHub) |
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model.use { poseDetectionModel -> | |
val imageFile = … | |
val detectedPose = poseDetectionModel.detectPose(imageFile = imageFile) | |
detectedPose.poseLandmarks.forEach { | |
println("Found ${it.poseLandmarkLabel} with probability ${it.probability}") | |
} | |
detectedPose.edges.forEach { | |
println("The ${it.poseEdgeLabel} starts at ${it.start.poseLandmarkLabel} and ends with ${it.end.poseLandmarkLabel}") |
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