【开源实习】audio_spectrogram_transformer模型微调

llm/finetune/audio_spectrogram_transformer/README.md

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+# audio_spectrogram_transformer 模型微调报告
+
+## 任务
+- 模型：MIT/ast-finetuned-audioset-10-10-0.4593
+- 数据集: ashraq/esc50
+
+## 结果对比：
+
+**Mindnlp+D910B**  
+
+| Epoch | Training Loss | Eval Loss | Accuracy  |
+|------:|-------------:|----------------:|----------:|
+| 1     | 3.0928       | 2.2305          | 0.8150    |
+| 2     | 1.4845       | 0.9815          | 0.8950    |
+| 3     | 0.5733       | 0.4876          | 0.9250    |
+| 4     | 0.2061       | 0.3770          | 0.9125    |
+| 5     | 0.0742       | 0.3207          | 0.9300    |
+| 6     | 0.0443       | 0.1821          | **0.9600**|
+| 7     | 0.0178       | 0.2144          | 0.9575    |
+| 8     | 0.0111       | 0.2155          | 0.9575    |
+| 9     | 0.0094       | 0.2167          | 0.9575    |
+| 10    | 0.0087       | 0.2174          | 0.9575    |
+
+---
+
+**Pytorch+3090**  
+
+| Epoch | Training Loss | Validation Loss | Accuracy |
+|------:|-------------:|----------------:|---------:|
+| 1     | 1.2550       | 0.3934          | 0.8825   |
+| 2     | 0.4477       | 0.3656          | 0.8925   |
+| 3     | 0.3289       | 0.2777          | 0.9200   |
+| 4     | 0.2200       | 0.3645          | 0.9175   |
+| 5     | 0.1679       | 0.2345          | 0.9350   |
+| 6     | 0.1140       | 0.1877          | 0.9575   |
+| 7     | 0.0925       | 0.1641          | 0.9575   |
+| 8     | 0.0648       | 0.1810          | 0.9475   |
+| 9     | 0.0593       | 0.1285          | 0.9550   |
+| 10    | 0.0269       | 0.1222          | **0.9575** |

llm/finetune/audio_spectrogram_transformer/finetune.py

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+import mindspore as ms
+import numpy as np
+from datasets import Audio, ClassLabel, load_dataset
+from mindspore.dataset import GeneratorDataset
+from sklearn.metrics import accuracy_score
+from mindnlp.engine import Trainer, TrainingArguments
+from mindnlp.transformers import (ASTConfig, ASTFeatureExtractor,
+                                  ASTForAudioClassification)
+
+ms.set_context(mode=ms.PYNATIVE_MODE, device_target="Ascend")
+
+# 加载esc50数据集
+esc50 = load_dataset("ashraq/esc50", split="train")
+
+df = esc50.select_columns(["target", "category"]).to_pandas()
+class_names = df.iloc[np.unique(df["target"], return_index=True)[
+    1]]["category"].to_list()
+
+esc50 = esc50.cast_column("target", ClassLabel(names=class_names))
+esc50 = esc50.cast_column("audio", Audio(sampling_rate=16000))
+esc50 = esc50.rename_column("target", "labels")
+num_labels = len(np.unique(esc50["labels"]))
+
+# 初始化AST
+pretrained_model = "MIT/ast-finetuned-audioset-10-10-0.4593"
+feature_extractor = ASTFeatureExtractor.from_pretrained(pretrained_model)
+model_input_name = feature_extractor.model_input_names[0]
+SAMPLING_RATE = feature_extractor.sampling_rate
+
+
+# 预处理音频
+def preprocess_audio(batch):
+    wavs = [audio["array"] for audio in batch["input_values"]]
+    inputs = feature_extractor(
+        wavs, sampling_rate=SAMPLING_RATE, return_tensors="ms")
+    return {model_input_name: inputs.get(model_input_name), "labels": list(batch["labels"])}
+
+
+dataset = esc50
+label2id = dataset.features["labels"]._str2int
+
+# 构造训练集和测试集
+if "test" not in dataset:
+    dataset = dataset.train_test_split(
+        test_size=0.2, shuffle=True, seed=0, stratify_by_column="labels")
+
+
+dataset = dataset.cast_column("audio", Audio(
+    sampling_rate=feature_extractor.sampling_rate))
+dataset = dataset.rename_column("audio", "input_values")
+
+dataset["train"].set_transform(
+    preprocess_audio, output_all_columns=False)
+dataset["test"].set_transform(preprocess_audio, output_all_columns=False)
+
+# 加载config
+config = ASTConfig.from_pretrained(pretrained_model)
+config.num_labels = num_labels
+config.label2id = label2id
+config.id2label = {v: k for k, v in label2id.items()}
+
+model = ASTForAudioClassification.from_pretrained(
+    pretrained_model, config=config, ignore_mismatched_sizes=True)
+
+
+def convert_mindspore_datatset(hf_dataset, batch_size):
+    data_list = list(hf_dataset)
+
+    def generator():
+        for item in data_list:
+            yield item[model_input_name], item["labels"]
+    # 构造MindSpore的GeneratorDataset
+    ds = GeneratorDataset(
+        source=generator,
+        column_names=[model_input_name, "labels"],
+        shuffle=False
+    )
+    ds = ds.batch(batch_size, drop_remainder=True)
+    return ds
+
+
+# 初始化训练参数
+training_args = TrainingArguments(
+    output_dir="./checkpoint",
+    logging_dir="./logs",
+    learning_rate=5e-5,
+    num_train_epochs=10,
+    per_device_train_batch_size=8,
+    evaluation_strategy="epoch",
+    save_strategy="epoch",
+    eval_steps=1,
+    save_steps=1,
+    load_best_model_at_end=True,
+    metric_for_best_model="accuracy",
+    logging_strategy="epoch",
+    logging_steps=20,
+)
+
+train_ms_dataset = convert_mindspore_datatset(
+    dataset["train"], training_args.per_device_train_batch_size)
+eval_ms_dataset = convert_mindspore_datatset(
+    dataset["test"], training_args.per_device_train_batch_size)
+
+
+def compute_metrics(eval_pred):
+    logits = eval_pred.predictions
+    labels = eval_pred.label_ids
+    predictions = np.argmax(logits, axis=1)
+    return {"accuracy": accuracy_score(predictions, labels)}
+
+
+# 初始化trainer
+trainer = Trainer(
+    model=model,
+    args=training_args,
+    train_dataset=train_ms_dataset,
+    eval_dataset=eval_ms_dataset,
+    compute_metrics=compute_metrics,
+)
+
+trainer.train()