feat(actpred): log_range 归一化——spk 两列对数尺度修正精度错配
fixed_range 线性 min-max 下常用值挤在低端(10Hz→0.002),闭环反馈 中小绝对误差=大相对误差(模型 C/D 发散根因)。新增 normalize_mode= log_range:spk.F/spk.delay 用 log10(1+x) 对数尺度(10Hz→0.27), 舵机列保持线性。全链路接入(dataset/pretrain/predict/onnx/hailo/ calibration/export),与 v3 审计 none 模式/元数据自动识别合并。
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@@ -36,7 +36,8 @@ import numpy as np
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from PIL import Image
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from imu_norm import normalize_imu
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from action_norm import normalize_action, denormalize_action
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from action_norm import (normalize_action, denormalize_action,
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is_range_mode)
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from utils import parse_action_history
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IMAGENET_MEAN = np.array([0.485, 0.456, 0.406], dtype=np.float32)
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@@ -69,13 +70,14 @@ class HailoPredictor:
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pred_token: np.ndarray 或 .npy 路径;export_deploy.py --pred-token-out
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产物。缺省时喂零(仅适合 pred_token 恰好全零的模型)。
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normalize_mode: 与训练时 DataConfig.normalize_mode 一致。
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"zscore"(默认)需传 stats_path;"fixed_range" 免 stats 文件,
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按固定物理范围 min-max 归一化(action_norm.py)。
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"zscore"(默认)需传 stats_path;"fixed_range" / "log_range"
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免 stats 文件,按固定物理范围归一化(action_norm.py)。
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"""
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from hailo_platform import HEF, VDevice
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self._predict_delta = predict_delta
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self._fixed_range = normalize_mode == "fixed_range"
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self._range_mode = (normalize_mode
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if is_range_mode(normalize_mode) else None)
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self._default_pred_token = None
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if pred_token is not None:
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if isinstance(pred_token, str):
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@@ -105,7 +107,7 @@ class HailoPredictor:
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self._action_mean = None
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self._action_std = None
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if stats_path is not None and not self._fixed_range:
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if stats_path is not None and not self._range_mode:
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if not os.path.exists(stats_path):
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raise FileNotFoundError(f"统计文件不存在: {stats_path}")
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stats = np.load(stats_path)
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@@ -247,8 +249,9 @@ class HailoPredictor:
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raise ValueError(
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f"action_history 形状应为 {expected},实际为 {action_history.shape}")
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if self._fixed_range:
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action_history = normalize_action(action_history, self.action_dim)
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if self._range_mode:
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action_history = normalize_action(action_history, self.action_dim,
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mode=self._range_mode)
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elif self._action_mean is not None:
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action_history = (action_history - self._action_mean) / self._action_std
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@@ -310,8 +313,9 @@ class HailoPredictor:
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if self._predict_delta:
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# 残差模式:Δ̂ + a_{t-1}(归一化空间),与 predict.py 对齐
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result = result + action_history[-1]
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if self._fixed_range:
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result = denormalize_action(result, self.action_dim)
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if self._range_mode:
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result = denormalize_action(result, self.action_dim,
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mode=self._range_mode)
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elif self._action_mean is not None:
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result = result * self._action_std + self._action_mean
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if not np.all(np.isfinite(result)):
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