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| """ IMS 座舱数据合成管道
基于 NVIDIA NuRec + Cosmos 的座舱专用合成方案 """
class CabinSDGPipeline: """座舱合成数据生成管道""" def __init__(self): self.nurec_model = "Omniverse NuRec" self.cosmos_model = "Cosmos WFM" self.cabin_layouts = ['sedan', 'suv', 'mpv', 'truck'] self.dms_positions = ['steering_column', 'dashboard', 'overhead'] def generate_dms_dataset(self, base_recordings, variants_per_recording=50): """ 从基础录制生成 DMS 数据集 Args: base_recordings: 真实 DMS 录制列表 variants_per_recording: 每段生成的变体数 Returns: dataset: 合成数据集规格 """ total = len(base_recordings) * variants_per_recording dataset = { 'base_recordings': len(base_recordings), 'variants_per_recording': variants_per_recording, 'total_samples': total, 'variant_types': { '光照变体': ['daylight', 'dusk', 'night_ir', 'tunnel', 'backlit'], '乘员变体': ['different_build', 'different_skin_tone', 'different_age', 'different_pose'], '遮挡变体': ['sunglasses', 'mask', 'hat', 'scarf'], '行为变体': ['micro_sleep', 'phone_use', 'looking_back', 'yawning', 'talking'], }, 'auto_annotation': True, 'privacy_safe': True, } return dataset def estimate_cost(self, real_vs_synthetic): """估算成本对比""" real_cost_per_sample = 200 synthetic_cost_per_sample = 4 cost_ratio = synthetic_cost_per_sample / real_cost_per_sample return { 'real_cost_per_sample': real_cost_per_sample, 'synthetic_cost_per_sample': synthetic_cost_per_sample, 'cost_ratio': f"1:{int(1/cost_ratio)}", 'savings': f"{(1-cost_ratio)*100:.0f}%", }
if __name__ == "__main__": pipeline = CabinSDGPipeline() dataset = pipeline.generate_dms_dataset( base_recordings=100, variants_per_recording=50 ) print("=== 座舱合成数据集 ===") for key, value in dataset.items(): if isinstance(value, dict): print(f" {key}:") for k, v in value.items(): print(f" {k}: {v}") else: print(f" {key}: {value}") cost = pipeline.estimate_cost(100) print(f"\n=== 成本对比 ===") for key, value in cost.items(): print(f" {key}: {value}")
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