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使用示例：展示如何使用不同模态配置进行人格分析
"""
import os
from config import Config
from model_llm import PersonalityAnalyzer
from data_preprocessing import DataPreprocessor
def example_vision_only():
"""示例1: 仅使用视觉模态"""
print("=" * 50)
print("示例1: 仅视觉模态")
print("=" * 50)
# 配置模态
Config.set_modalities(text=False, vision=True, audio=False)
# 初始化
analyzer = PersonalityAnalyzer()
preprocessor = DataPreprocessor()
# 假设有一个视频文件
video_path = "../First-Impression/data/example.mp4"
# 提取图像
images = preprocessor.extract_images_from_video(
video_path,
"./temp_frames",
max_frames=10
)
# 预测
result = analyzer.predict(images=images)
print("\n预测结果:")
for trait, score in result["scores"].items():
print(f" {trait}: {score:.3f}")
def example_text_only():
"""示例2: 仅使用文本模态"""
print("=" * 50)
print("示例2: 仅文本模态")
print("=" * 50)
# 配置模态
Config.set_modalities(text=True, vision=False, audio=False)
# 初始化
analyzer = PersonalityAnalyzer()
# 文本描述
text_description = """
这个人在视频中表现出以下特征：
- 说话声音较大，语速较快
- 经常微笑，表情丰富
- 手势较多，身体语言活跃
- 与镜头有良好的眼神交流
"""
# 预测
result = analyzer.predict(text=text_description)
print("\n预测结果:")
for trait, score in result["scores"].items():
print(f" {trait}: {score:.3f}")
def example_multimodal():
"""示例3: 多模态组合"""
print("=" * 50)
print("示例3: 多模态组合（文本+视觉+音频）")
print("=" * 50)
# 配置模态
Config.set_modalities(text=True, vision=True, audio=True)
# 初始化
analyzer = PersonalityAnalyzer()
preprocessor = DataPreprocessor()
# 假设有一个视频文件
video_path = "../First-Impression/data/example.mp4"
# 提取所有模态数据
images = preprocessor.extract_images_from_video(
video_path,
"./temp_frames",
max_frames=10
)
audio_path = preprocessor.extract_audio_from_video(
video_path,
"./temp_audio"
)
text_path = preprocessor.extract_text_from_video(
video_path,
"./temp_text"
)
# 读取文本
text = None
if text_path and os.path.exists(text_path):
with open(text_path, "r", encoding="utf-8") as f:
text = f.read()
# 预测
result = analyzer.predict(
text=text,
images=images,
audio_path=audio_path
)
print("\n预测结果:")
for trait, score in result["scores"].items():
print(f" {trait}: {score:.3f}")
if result.get("reasoning"):
print(f"\n分析理由:\n{result['reasoning']}")
if __name__ == "__main__":
import os
print("注意: 这些示例需要:")
print("1. 已安装所有依赖")
print("2. 已下载 QwenVL2.5-7B 模型")
print("3. 有可用的视频文件")
print("\n取消注释下面的函数调用来运行示例:\n")
# 取消注释以运行示例
# example_vision_only()
# example_text_only()
# example_multimodal()
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