{ "model": "facebook/convnextv2-atto-1k-224", "val_accuracy": 99.64, "best_epoch": 9, "train_samples": 1116, "val_samples": 276, "hyperparams": { "lr": 5e-05, "epochs": 20, "batch_size": 8, "patience": 3 }, "train_time_seconds": 1015, "exported_onnx": "fachuan-orientation-classifier.onnx", "onnx_copy": "convnextv2-acc996.onnx", "checkpoint": "convnextv2-acc996.pt", "created_at": "2026-06-13 21:13" }