fix(actpred): 修复 Hailo HEF 编译链路的输入断连与封装问题

- hailo_infer: 帧输入按 input_layerN 排序绑定(vstream 报告顺序实测
  为 1,5,4,3,2,按报告顺序会 frame1/frame2 错位),新增 --pred-token
- gen_calibration: pred_token 校准改为学习值 ±30% 抖动,修复常量
  校准量化退化(scale=18571.7,任何输入都被量化成 0)
- export_deploy: 新增 --pred-token-out 保存学习值供推理端喂入
- dfc_compile: parser/optimize 后自动检查输入层连通性,断开即报错
- 新增 _npu_test.py(NPU 4 角敏感性复验)与 _onnx_validate.py
  (编译前 ONNX 数值门槛),test_actpred 补乱序帧序用例
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qing committed 2026-08-13 12:22:26 +08:00
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@@ -20,6 +20,7 @@ checkpoints/
# DFC logs
acceleras.log
hailo_sdk.*.log
hailort.log
# Dataset (too large for git)
data/
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@@ -0,0 +1,108 @@
"""actpred HEF NPU 输入敏感性复验脚本(重编译后的验收门槛)
用法: venv/bin/python _npu_test.py
4 角测试(真实/全零帧 × 真实/全零历史)+ 与 PyTorch 参考对比。
HEF 尺寸/布局从 vstream info 自动推导,checkpoint 用
checkpoints/pretrain_best_inference.pt。
"""
import sys
import time
sys.path.insert(0, "/opt/blackbird/actpred")
import numpy as np
import torch
import torch.nn as nn
from PIL import Image
from hailo_platform import HEF
from config import parse_checkpoint_config
from model import ActionPredictor
from hailo_infer import HailoPredictor
HEF_PATH = "checkpoints/actpred_pretrain.hef"
CKPT = "checkpoints/pretrain_best_inference.pt"
IMG_DIR = "data/episode_0000/images"
hef = HEF(HEF_PATH)
print("=== HEF vstream infos ===")
for i in hef.get_input_vstream_infos():
q = i.quant_info
print(f"IN {i.name:16s} {tuple(i.shape)} {i.format.type} "
f"zp={q.qp_zp} scale={q.qp_scale:.6g}")
for o in hef.get_output_vstream_infos():
q = o.quant_info
print(f"OUT {o.name:16s} {tuple(o.shape)} {o.format.type} "
f"zp={q.qp_zp} scale={q.qp_scale:.6g}")
imgs_real = [np.array(Image.open(f"{IMG_DIR}/000{i}.jpg").convert("RGB"))
for i in range(3)]
imgs_zero = [np.zeros_like(imgs_real[0]) for _ in range(3)]
hist_real = np.array([
[45, 0, 45, 0, 45, 0, 45, 0, 90, 90, 10, 200, 0, 0, 0, 0, 0, 0],
[45, 0, 45, 0, 45, 0, 45, 0, 90, 90, 0, 20, 0, 0, 0, 0, 0, 0],
[45, 0, 45, 0, 45, 0, 45, 0, 90, 90, 0, 0, 0, 0, 0, 0, 0, 0],
[45, 0, 45, 0, 45, 0, 45, 0, 90, 90, 0, 0, 0, 0, 0, 0, 0, 0],
[45, 0, 45, 0, 45, 0, 45, 0, 90, 90, 0, 0, 0, 0, 0, 0, 0, 0],
], dtype=np.float32)
hist_zero = np.zeros((5, 18), dtype=np.float32)
# PyTorch 参考(checkpoint 自带 config)
ck = torch.load(CKPT, map_location="cpu", weights_only=True)
cfg = parse_checkpoint_config(ck["config"])
model = ActionPredictor(cfg.model, cfg.data, pretrained=False)
model.load_state_dict(ck["model_state_dict"])
model.eval()
pred_learned = model.pred_token.data.unsqueeze(1).numpy() # (1,1,1,d)
from torchvision import transforms
tf = transforms.Compose([
transforms.Resize((cfg.data.image_height, cfg.data.image_width)),
transforms.ToTensor(),
transforms.Normalize([0.485, 0.456, 0.406], [0.229, 0.224, 0.225]),
])
def torch_pred(imgs, hist, use_learned_pred=True):
x = torch.stack([tf(Image.fromarray(im)) for im in imgs]).unsqueeze(0)
h = torch.tensor(hist).unsqueeze(0)
if use_learned_pred:
with torch.no_grad():
return model(x, h).squeeze(0).numpy()
saved = model.pred_token.data.clone()
model.pred_token.data.zero_()
with torch.no_grad():
out = model(x, h).squeeze(0).numpy()
model.pred_token.data.copy_(saved)
return out
with HailoPredictor(HEF_PATH) as p:
print(f"\ndims: frame_len={p.frame_len} img={p.image_width}x{p.image_height} "
f"history={p.history_len} action_dim={p.action_dim}")
t0 = time.perf_counter()
a = p.predict(imgs_real, hist_real, pred_token=pred_learned)
b = p.predict(imgs_zero, hist_real, pred_token=pred_learned)
c = p.predict(imgs_real, hist_zero, pred_token=pred_learned)
d = p.predict(imgs_zero, hist_zero, pred_token=pred_learned)
t1 = time.perf_counter()
print(f"4x predict: {(t1 - t0) / 4 * 1000:.1f} ms/次")
for name, r in [("real_img+real_hist", a), ("zero_img+real_hist", b),
("real_img+zero_hist", c), ("zero_img+zero_hist", d)]:
print(f"{name:20s} max_abs={np.abs(r).max():.4f} out={np.round(r[:6], 3)}...")
img_sens = np.abs(a - b).max()
hist_sens = np.abs(a - c).max()
print(f"\nimg sensitivity = {img_sens:.4f}(>0.1 视为输入连通)")
print(f"hist sensitivity = {hist_sens:.4f}(>0.1 视为输入连通)")
ref = torch_pred(imgs_real, hist_real, True)
ref_zero_pred = torch_pred(imgs_real, hist_real, False)
print(f"torch learned_pred : {np.round(ref[:6], 3)}...")
print(f"torch zero_pred : {np.round(ref_zero_pred[:6], 3)}...")
print(f"HEF vs torch(learned) max_diff={np.abs(a - ref).max():.4f}")
ok = img_sens > 0.1 and hist_sens > 0.1
print("\nPASS: HEF 输入连通,可继续与 torch 对比量化误差"
if ok else "\nFAIL: HEF 输出对输入不敏感,编译仍有问题")
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@@ -0,0 +1,92 @@
"""部署版 ONNX 数值验证:输入敏感性 + 与 PyTorch 一致性(重编译前门槛)
用法: venv/bin/python _onnx_validate.py
"""
import sys
sys.path.insert(0, "/opt/blackbird/actpred")
import numpy as np
import torch
from PIL import Image
from torchvision import transforms
import onnxruntime as ort
from config import parse_checkpoint_config
from model import ActionPredictor
CKPT = "checkpoints/pretrain_best_inference.pt"
ONNX = "checkpoints/actpred_deploy.onnx"
IMG_DIR = "data/episode_0000/images"
ck = torch.load(CKPT, map_location="cpu", weights_only=True)
cfg = parse_checkpoint_config(ck["config"])
model = ActionPredictor(cfg.model, cfg.data, pretrained=False)
model.load_state_dict(ck["model_state_dict"])
model.eval()
sess = ort.InferenceSession(ONNX)
in_names = [i.name for i in sess.get_inputs()]
print("ONNX inputs:", in_names)
h, w = cfg.data.image_height, cfg.data.image_width
tf = transforms.Compose([
transforms.Resize((h, w)),
transforms.ToTensor(),
transforms.Normalize([0.485, 0.456, 0.406], [0.229, 0.224, 0.225]),
])
imgs_real = [np.array(Image.open(f"{IMG_DIR}/000{i}.jpg").convert("RGB"))
for i in range(3)]
imgs_zero = [np.zeros_like(imgs_real[0]) for _ in range(3)]
hist_real = np.array([
[45, 0, 45, 0, 45, 0, 45, 0, 90, 90, 10, 200, 0, 0, 0, 0, 0, 0],
[45, 0, 45, 0, 45, 0, 45, 0, 90, 90, 0, 20, 0, 0, 0, 0, 0, 0],
[45, 0, 45, 0, 45, 0, 45, 0, 90, 90, 0, 0, 0, 0, 0, 0, 0, 0],
[45, 0, 45, 0, 45, 0, 45, 0, 90, 90, 0, 0, 0, 0, 0, 0, 0, 0],
[45, 0, 45, 0, 45, 0, 45, 0, 90, 90, 0, 0, 0, 0, 0, 0, 0, 0],
], dtype=np.float32)
hist_zero = np.zeros((5, 18), dtype=np.float32)
pred_learned = model.pred_token.data.unsqueeze(1).numpy() # (1,1,1,128)
pred_none = np.zeros((1, 1, 1, 128), dtype=np.float32)
def frames_nhwc(imgs):
"""列表帧 → (1,H,W,3) 归一化 float32 NHWC × frame_len"""
chw = np.stack([tf(Image.fromarray(im)).numpy() for im in imgs])
return [chw[i].transpose(1, 2, 0)[None] for i in range(len(imgs))]
def run_onnx(imgs, hist, pred):
feeds = {f"frame{i}": f for i, f in enumerate(frames_nhwc(imgs))}
feeds["action_history"] = hist[None, None]
feeds["pred_token"] = pred
return sess.run(None, feeds)[0].reshape(-1)
def run_torch(imgs, hist):
x = torch.stack([tf(Image.fromarray(im)) for im in imgs]).unsqueeze(0)
hh = torch.tensor(hist).unsqueeze(0)
with torch.no_grad():
return model(x, hh).squeeze(0).numpy()
a = run_onnx(imgs_real, hist_real, pred_learned)
b = run_onnx(imgs_zero, hist_real, pred_learned)
c = run_onnx(imgs_real, hist_zero, pred_learned)
d = run_onnx(imgs_zero, hist_zero, pred_learned)
p0 = run_onnx(imgs_real, hist_real, pred_none)
print(f"onnx real_img+real_hist: {np.round(a[:6], 3)}...")
print(f"onnx pred_token=0 diff : max={np.abs(a - p0).max():.4f}")
print(f"img sensitivity (a-b): max={np.abs(a - b).max():.4f}")
print(f"hist sensitivity (a-c): max={np.abs(a - c).max():.4f}")
ref = run_torch(imgs_real, hist_real)
print(f"torch reference : {np.round(ref[:6], 3)}...")
print(f"onnx vs torch max_diff : {np.abs(a - ref).max():.6e}")
ok = (np.abs(a - b).max() > 1e-4 and np.abs(a - c).max() > 1e-4
and np.abs(a - ref).max() < 1e-4)
print("PASS" if ok else "FAIL")
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@@ -57,6 +57,44 @@ def har_input_layer_names(har_path: str) -> list:
return [name for name, _ in layers]
def check_input_connectivity(har_path: str, input_layers: list):
"""检查 HAR 中输入层是否都有下游边
输入层被优化断开时编译照常成功,但 HEF 输出恒定值且无任何报错
(2026-08-13 实测踩坑),必须在编译前拦截。.edges 文件缺失或格式
无法识别时仅告警不阻断。
"""
with tempfile.TemporaryDirectory() as tmp:
with tarfile.open(har_path) as tf:
tf.extractall(tmp)
edge_files = [f for f in os.listdir(tmp) if f.endswith(".edges")]
if not edge_files:
print(f"WARNING: {har_path} 无 .edges 文件,跳过输入连通性检查")
return
with open(os.path.join(tmp, edge_files[0])) as f:
edges = json.load(f)
if not isinstance(edges, list):
print(f"WARNING: .edges 不是列表({type(edges).__name__}),"
f"跳过连通性检查")
return
adjacency = set()
for e in edges:
if isinstance(e, dict) and "from" in e:
adjacency.add(e["from"])
elif isinstance(e, (list, tuple)) and len(e) == 2:
adjacency.add(e[0])
else:
print(f"WARNING: 无法识别 .edges 条目格式: {e!r},跳过连通性检查")
return
disconnected = [n for n in input_layers if n not in adjacency]
if disconnected:
sys.exit(
f"错误: {har_path} 中输入层无下游边(输入被优化断开,"
f"编译出的 HEF 将输出恒定值): {disconnected}")
print(f"输入连通性检查通过: {len(input_layers)} 个输入层均有下游边")
def main():
parser = argparse.ArgumentParser(description="Compile actpred deploy ONNX to HEF")
parser.add_argument("--onnx", default="checkpoints/actpred_deploy.onnx")
@@ -93,11 +131,13 @@ def main():
names = har_input_layer_names(har_raw)
if len(names) != len(START_NODES):
sys.exit(f"错误: HAR 输入层数 {len(names)} != {len(START_NODES)},解析可能被截断")
check_input_connectivity(har_raw, names)
print("[2/3] optimize: 量化校准")
hailo("optimize", har_raw, "--hw-arch", args.hw_arch,
"--calib-set-path", os.path.abspath(args.calib_npz),
"--output-har-path", har_opt, venv_bin=venv_bin)
check_input_connectivity(har_opt, har_input_layer_names(har_opt))
print("[3/3] compiler: HAR → HEF")
hailo("compiler", har_opt, "--hw-arch", args.hw_arch,
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@@ -128,6 +128,9 @@ def main():
parser = argparse.ArgumentParser(description="Export Hailo-friendly ONNX")
parser.add_argument("--model", required=True, help="checkpoint path")
parser.add_argument("--output", default="checkpoints/actpred_deploy.onnx")
parser.add_argument("--pred-token-out", default=None,
help="保存学习到的 pred_token 到 .npy(HEF 推理端喂入用,"
"配合抖动校准避免常量量化退化)")
args = parser.parse_args()
checkpoint = torch.load(args.model, map_location="cpu", weights_only=True)
@@ -156,6 +159,11 @@ def main():
)
print(f"部署版 ONNX 已导出: {args.output}({f} 个帧输入 (1,{h},{w},3) NHWC + action_history + pred_token)")
if args.pred_token_out:
import numpy as np
np.save(args.pred_token_out, model.pred_token.data.unsqueeze(1).numpy())
print(f"pred_token 已保存: {args.pred_token_out} (1,1,1,{model.pred_token.shape[-1]})")
stacked = torch.stack([fr.permute(0, 3, 1, 2) for fr in dummy_frames], dim=1)
with torch.no_grad():
orig_out = model(stacked, dummy_history.squeeze(1))
+17 -5
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@@ -6,7 +6,8 @@
--deploy 模式(data/calibration_deploy.npz):为 export_deploy.py 导出
的部署版 ONNX 生成校准集,键名匹配 HN 层名 actpred_deploy/input_layerN,
形状匹配 HEF 输入:frame0~2 (N,H,W,3) 已归一化 float32、
action_history (N,1,H_len,D)、pred_token (N,1,1,d) 常量。
action_history (N,1,H_len,D)、pred_token (N,1,1,d) 学习值 ± 抖动
(常量校准会使量化范围退化,见 --pred-jitter)。
图像分辨率与 --model checkpoint 的配置一致。
数据源:
@@ -81,9 +82,15 @@ def build_deploy_set(args):
cfg, pretrained=False)
model.load_state_dict(ckpt["model_state_dict"])
d = model.pred_token.shape[-1]
pred = np.broadcast_to(
model.pred_token.data.unsqueeze(1).numpy(),
(args.samples, 1, 1, d)).astype(np.float32).copy()
v = model.pred_token.data.unsqueeze(1).numpy() # (1, 1, d) 学习到的常量
# 常量校准会使量化范围退化(上次实测 scale=18571.7,任何输入都被
# 量化成 0);按学习值 ±相对抖动生成校准样本,运行时喂学习值即可
# 无损还原(量化误差 ~1e-4)
jitter = v * rng.uniform(-args.pred_jitter, args.pred_jitter,
size=(args.samples, 1, 1, d)).astype(np.float32)
jitter = jitter + rng.normal(0.0, args.pred_jitter_abs,
size=jitter.shape).astype(np.float32)
pred = np.broadcast_to(v, (args.samples, 1, 1, d)).astype(np.float32) + jitter
np.savez_compressed(
args.output,
@@ -91,7 +98,8 @@ def build_deploy_set(args):
for i, arr in enumerate([*frames, history, pred])})
print(f"部署校准集已保存: {args.output}")
print(f" frame0~2: {frames[0].shape}(分辨率 {w}x{h},与 checkpoint 一致)")
print(f" action_history: {history.shape} pred_token: {pred.shape}")
print(f" action_history: {history.shape} pred_token: {pred.shape}"
f"(学习值 ±{args.pred_jitter:.0%} 抖动)")
def main():
@@ -104,6 +112,10 @@ def main():
parser.add_argument("--output", default=None)
parser.add_argument("--samples", type=int, default=32)
parser.add_argument("--seed", type=int, default=42)
parser.add_argument("--pred-jitter", type=float, default=0.3,
help="pred_token 校准相对抖动幅度(默认 ±30%)")
parser.add_argument("--pred-jitter-abs", type=float, default=0.005,
help="pred_token 校准绝对抖动标准差(近零元素保底)")
args = parser.parse_args()
if args.deploy:
+149 -53
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@@ -3,30 +3,40 @@
接口对齐 predict.ActionPredictorInference:predict(images, action_history)。
HEF 由 actpred ONNX 经 Hailo DFC 编译生成(量化校准后)。本封装不硬编码
vstream 名称/形状/量化参数,全部从 HEF 的 input/output vstream info 动态推导:
vstream 名称/形状/量化参数,全部从 HEF 的 input/output vstream info 动态推导,
支持两种布局:
图像输入: (1, F, 3, H, W) → NHWC uint8 (1, F, H, W, 3)
或 (1, H, W, F*3) → 帧沿通道拼接
动作输入: (1, H, D) float32,uint8 边缘时按 quant_info 量化
动作输出: (1, D),uint8 边缘时按 quant_info 反量化
新版 5 输入(export_deploy.py + dfc_compile.py 产物):
frame0~2 各 (H,W,3) NHWC uint8(ImageNet 归一化校准,负零偏自动识别)
+ action_history (1,H_len,D) + pred_token (1,1,d)
旧版单图像输入:
(1, F, 3, H, W) → NHWC uint8 (1, F, H, W, 3)
或 (1, H, W, F*3) → 帧沿通道拼接;action_history (1, H, D)
uint8 边缘按 quant_info 量化/反量化;pred_token 输入默认喂零,
新编译 HEF(抖动校准,见 gen_calibration.py --pred-jitter)应喂
checkpoint 的学习值(--pred-token npy 或 predict(pred_token=...)),
否则该 token 语义与训练时不一致。
背景与踩坑记录见
docs/reports/actpred_hailo_hat2_inference_research_20260813.md:
- hailort 5.x 对 Hailo-10 仅支持新 API(create_infer_model),
旧版 VDevice.configure(hef) 报 HAILO_NOT_IMPLEMENTED;
- 绑定缓冲区 dtype/大小必须匹配 HEF 边缘格式(量化 uint8);
- 图像输入按 Hailo 惯例为 uint8 原始像素(ImageNet 归一化由
DFC 编译时折叠进网络)。
- 绑定缓冲区 dtype/大小必须匹配 HEF 边缘格式(量化 uint8)。
"""
import argparse
import contextlib
import json
import os
import re
import numpy as np
from PIL import Image
IMAGENET_MEAN = np.array([0.485, 0.456, 0.406], dtype=np.float32)
IMAGENET_STD = np.array([0.229, 0.224, 0.225], dtype=np.float32)
# 与 predict.parse_action_history 相同逻辑;此处内联以保持
# 本模块零 torch 依赖(HAT 部署环境只装 hailo_platform + numpy + PIL)
@@ -43,9 +53,17 @@ def parse_action_history(s: str, action_dim: int) -> np.ndarray:
return np.array(history, dtype=np.float32)
def _input_layer_index(name: str) -> int:
m = re.search(r"input_layer(\d+)$", name)
return int(m.group(1)) if m else 0
class HailoPredictor:
"""HEF 动作预测推理器(Hailo NPU 后端)
支持新版 5 输入 HEF(逐帧输入 + pred_token)与旧版单图像输入 HEF,
布局与量化参数从 vstream info 自动推导。
用法:
with HailoPredictor("actpred.hef") as predictor:
action = predictor.predict(images, action_history)
@@ -68,9 +86,9 @@ class HailoPredictor:
if len(self._out_infos) != 1:
raise ValueError(
f"HEF 应只有一个输出 vstream,实际 {len(self._out_infos)}")
self._image_info = self._find_image_input()
self._history_info = self._find_history_input()
self._out_info = self._out_infos[0]
self._frame_infos, self._history_info, self._pred_info = \
self._classify_inputs()
self._derive_dims()
self._action_mean = None
@@ -89,40 +107,77 @@ class HailoPredictor:
self._stack.close() # 初始化失败也释放设备,避免 fd 泄漏
raise
# ---------------- 形状推导 ----------------
# ---------------- 输入分类与形状推导 ----------------
def _find_image_input(self):
cands = [i for i in self._in_infos if len(i.shape) in (4, 5)]
if len(cands) != 1:
raise ValueError(
"HEF 输入中无法唯一识别图像 vstream(期望一个 4/5 维输入),"
f"实际: {[(i.name, tuple(i.shape)) for i in self._in_infos]}")
return cands[0]
def _classify_inputs(self):
"""将 HEF 输入分为 帧列表 / 动作历史 / pred_token(可能为 None)
def _find_history_input(self):
cands = [i for i in self._in_infos
if len(i.shape) == 3 and i is not self._image_info]
if len(cands) != 1:
多帧输入的绑定顺序按 input_layerN 数字后缀排序,而非 vstream
报告顺序:hailort 5.3.0 实测报告顺序被打乱(1,5,4,3,2),
按报告顺序绑定会导致 frame1/frame2 错位。
"""
ins = list(self._in_infos)
out_dim = tuple(self._out_info.shape)[-1]
# 新版:每帧独立 (H,W,3) 输入
frames = [i for i in ins if len(i.shape) == 3
and i.shape[2] == 3 and i.shape[0] > 3]
if frames:
frames.sort(key=lambda i: _input_layer_index(i.name))
else:
# 旧版:单一 4/5 维图像输入
frames = [i for i in ins if len(i.shape) in (4, 5)]
rest = [i for i in ins if i not in frames]
history, pred = None, None
for i in rest:
s = tuple(i.shape)
if len(s) == 3 and s[-1] == out_dim:
history = i
elif len(s) == 3 and s[1] == 1:
pred = i
else:
raise ValueError(
f"无法识别 HEF 输入 {i.name} 形状 {s}(期望动作历史 "
f"(1,H_len,D) 或 pred_token (1,1,d))")
if not frames:
raise ValueError("HEF 输入中未找到图像输入")
if history is None:
raise ValueError(
"HEF 输入中无法唯一识别动作历史 vstream(期望一个 3 维输入),"
f"实际: {[(i.name, tuple(i.shape)) for i in self._in_infos]}")
return cands[0]
f"HEF 输入中未找到动作历史输入(输出维度 {out_dim}),"
f"实际: {[(i.name, tuple(i.shape)) for i in ins]}")
return frames, history, pred
def _derive_dims(self):
shape = tuple(self._image_info.shape)
if len(shape) == 5:
_, self.frame_len, c, self.image_height, self.image_width = shape
if c != 3:
raise ValueError(f"图像输入通道维应为 3,实际形状 {shape}")
self._image_layout = "ncfhw"
else: # (1, H, W, F*3) NHWC 帧拼通道
_, self.image_height, self.image_width, c = shape
if c % 3 != 0 or c == 3:
raise ValueError(
f"无法从 4 维图像输入推导帧数(期望 (1,H,W,F*3)),"
f"实际形状 {shape}")
self.frame_len = c // 3
self._image_layout = "nhwc_fused"
# 帧输入布局
if len(self._frame_infos) == 1 and len(self._frame_infos[0].shape) in (4, 5):
shape = tuple(self._frame_infos[0].shape)
if len(shape) == 5:
_, self.frame_len, c, self.image_height, self.image_width = shape
if c != 3:
raise ValueError(f"图像输入通道维应为 3,实际形状 {shape}")
self._image_layout = "ncfhw"
else: # (1, H, W, F*3) NHWC 帧拼通道
_, self.image_height, self.image_width, c = shape
if c % 3 != 0 or c == 3:
raise ValueError(
f"无法从 4 维图像输入推导帧数(期望 (1,H,W,F*3)),"
f"实际形状 {shape}")
self.frame_len = c // 3
self._image_layout = "nhwc_fused"
else:
# 新版:每帧独立 (H,W,3) 输入,形状须一致
shapes = [tuple(i.shape) for i in self._frame_infos]
if any(len(s) != 3 or s[2] != 3
or s[0] != shapes[0][0] or s[1] != shapes[0][1]
for s in shapes):
raise ValueError(f"帧输入形状不一致: {shapes}")
self.image_height, self.image_width, _ = shapes[0]
self.frame_len = len(self._frame_infos)
self._image_layout = "nhwc_frames"
self._frame_quant = self._frame_infos[0].quant_info
# 帧量化零偏为负 ⇒ 校准数据是 ImageNet 归一化后的浮点,
# 推理端需先归一化再量化;零偏为 0 则为原始像素直通
self._normalize_frames = \
self._frame_quant.qp_zp * self._frame_quant.qp_scale < 0
h_shape = tuple(self._history_info.shape)
self.history_len, self.action_dim = h_shape[1], h_shape[2]
@@ -147,10 +202,12 @@ class HailoPredictor:
# ---------------- 推理 ----------------
def predict(self, images, action_history: np.ndarray) -> np.ndarray:
def predict(self, images, action_history: np.ndarray,
pred_token: np.ndarray = None) -> np.ndarray:
"""images: 长度为 frame_len 的 RGB 图像列表(旧→新,末帧为当前帧)
返回 (action_dim,) float32 动作向量。
返回 (action_dim,) float32 动作向量。pred_token 仅新版 5 输入 HEF
需要;默认喂零,抖动校准的新 HEF 建议喂 checkpoint 学习值。
"""
if not isinstance(images, (list, tuple)):
images = [images]
@@ -170,9 +227,8 @@ class HailoPredictor:
from hailo_platform import FormatType
bindings = self._configured.create_bindings()
frames = np.stack([self._preprocess(img) for img in images])
bindings.input(self._image_info.name).set_buffer(
self._image_buffer(frames))
frame_float = np.stack([self._frame_float(img) for img in images])
self._bind_frames(bindings, frame_float)
h_shape = tuple(self._history_info.shape)
if self._history_info.format.type == FormatType.UINT8:
@@ -183,6 +239,18 @@ class HailoPredictor:
buf = action_history.astype(np.float32).reshape(h_shape)
bindings.input(self._history_info.name).set_buffer(buf)
if self._pred_info is not None:
p_shape = tuple(self._pred_info.shape)
if pred_token is None:
values = np.zeros(p_shape, dtype=np.float32)
else:
values = np.asarray(pred_token, dtype=np.float32).reshape(p_shape)
if self._pred_info.format.type == FormatType.UINT8:
q = self._pred_info.quant_info
values = np.clip(np.round(values / q.qp_scale + q.qp_zp),
0, 255).astype(np.uint8)
bindings.input(self._pred_info.name).set_buffer(values)
out_shape = tuple(self._out_info.shape)
if self._out_info.format.type == FormatType.UINT8:
out_buf = np.zeros(out_shape, dtype=np.uint8)
@@ -203,19 +271,43 @@ class HailoPredictor:
result = result * self._action_std + self._action_mean
return result
def _preprocess(self, image) -> np.ndarray:
def _frame_float(self, image) -> np.ndarray:
"""Resize → float32 HWC;归一化 HEF(负零偏)再走 ImageNet 归一化"""
img = Image.fromarray(image) if isinstance(image, np.ndarray) else image
img = img.convert("RGB").resize(
(self.image_width, self.image_height), Image.BILINEAR)
return np.asarray(img, dtype=np.uint8) # HWC uint8
x = np.asarray(img, dtype=np.float32) # HWC 0..255
if self._normalize_frames:
x = (x / 255.0 - IMAGENET_MEAN) / IMAGENET_STD
return x
def _bind_frames(self, bindings, frame_float: np.ndarray):
"""(F,H,W,3) float 帧 → HEF 帧输入缓冲区(按布局与量化)"""
from hailo_platform import FormatType
def quantize(buf, q):
return np.clip(np.round(buf / q.qp_scale + q.qp_zp),
0, 255).astype(np.uint8)
def _image_buffer(self, frames: np.ndarray) -> np.ndarray:
"""(F, H, W, 3) → HEF 图像输入缓冲区(按编译后布局)"""
if self._image_layout == "ncfhw":
return frames.transpose(0, 3, 1, 2)[np.newaxis] # (1,F,3,H,W)
# nhwc_fused: 帧沿通道拼接 (1, H, W, F*3)
return frames.reshape(1, self.image_height, self.image_width,
self.frame_len * 3)
buf = frame_float.transpose(0, 3, 1, 2)[np.newaxis] # (1,F,3,H,W)
info = self._frame_infos[0]
if info.format.type == FormatType.UINT8:
buf = quantize(buf, info.quant_info)
bindings.input(info.name).set_buffer(buf)
elif self._image_layout == "nhwc_fused":
buf = frame_float.reshape(
1, self.image_height, self.image_width, self.frame_len * 3)
info = self._frame_infos[0]
if info.format.type == FormatType.UINT8:
buf = quantize(buf, info.quant_info)
bindings.input(info.name).set_buffer(buf)
else: # nhwc_frames:每帧独立输入
for i, info in enumerate(self._frame_infos):
buf = frame_float[i]
if info.format.type == FormatType.UINT8:
buf = quantize(buf, info.quant_info)
bindings.input(info.name).set_buffer(buf)
def main():
@@ -227,10 +319,14 @@ def main():
help="冒号分隔各步,每步 action_dim 个值")
parser.add_argument("--stats", default=None,
help="action_stats.npy 路径(训练时启用归一化才需要)")
parser.add_argument("--pred-token", default=None,
help="pred_token .npy 路径(export_deploy.py "
"--pred-token-out 产物;缺省喂零)")
parser.add_argument("--output-format", choices=["json", "raw"],
default="json")
args = parser.parse_args()
pred_token = np.load(args.pred_token) if args.pred_token else None
with HailoPredictor(args.hef, stats_path=args.stats) as predictor:
if len(args.images) != predictor.frame_len:
raise SystemExit(
@@ -238,7 +334,7 @@ def main():
f"实际为 {len(args.images)} 个")
images = [np.array(Image.open(p).convert("RGB")) for p in args.images]
history = parse_action_history(args.action_history, predictor.action_dim)
predicted = predictor.predict(images, history)
predicted = predictor.predict(images, history, pred_token=pred_token)
if args.output_format == "json":
print(json.dumps({"predicted_action": predicted.tolist()}, indent=2))
+82
View File
@@ -1093,6 +1093,88 @@ class TestHailoPredictor(unittest.TestCase):
np.testing.assert_allclose(result, [0, 0, 0])
self.assertEqual(seen_shapes["image"], (1, 4, 4, 6))
def test_multiframe_inputs_layout(self):
"""新版 5 输入 HEF:frame×3 (H,W,3) + history + pred_token 常量"""
from hailo_infer import HailoPredictor
q_frame = _FakeQuantInfo(qp_zp=114.0, qp_scale=0.018723)
q_pred = _FakeQuantInfo(qp_zp=123.0, qp_scale=18571.0)
infos_in = [
_FakeVStreamInfo("net/input_layer1", (64, 64, 3),
_FakeFormatType.UINT8, q_frame),
_FakeVStreamInfo("net/input_layer2", (64, 64, 3),
_FakeFormatType.UINT8, q_frame),
_FakeVStreamInfo("net/input_layer3", (64, 64, 3),
_FakeFormatType.UINT8, q_frame),
_FakeVStreamInfo("net/input_layer4", (1, 5, 18),
_FakeFormatType.UINT8,
_FakeQuantInfo(qp_zp=0.0, qp_scale=1.960784)),
_FakeVStreamInfo("net/input_layer5", (1, 1, 128),
_FakeFormatType.UINT8, q_pred),
]
infos_out = [_FakeVStreamInfo(
"net/conv49", (1, 1, 18), _FakeFormatType.UINT8,
_FakeQuantInfo(qp_zp=2.0, qp_scale=0.837115))]
seen = {}
def transform(b):
for name in ("net/input_layer1", "net/input_layer2", "net/input_layer3"):
seen[name] = np.asarray(b.input(name).get_buffer())
seen["history"] = np.asarray(b.input("net/input_layer4").get_buffer())
seen["pred"] = np.asarray(b.input("net/input_layer5").get_buffer())
b.output("net/conv49").get_buffer()[...] = 2 # 反量化后为 0
_install_fake_hailo(self, infos_in, infos_out, transform)
with HailoPredictor("fake.hef") as p:
self.assertEqual((p.frame_len, p.history_len, p.action_dim), (3, 5, 18))
self.assertEqual((p.image_width, p.image_height), (64, 64))
result = p.predict(self._frames(3, size=64), np.zeros((5, 18), np.float32))
self.assertEqual(seen["net/input_layer1"].dtype, np.uint8)
self.assertEqual(seen["net/input_layer1"].shape, (64, 64, 3))
self.assertEqual(seen["history"].shape, (1, 5, 18))
np.testing.assert_array_equal(seen["history"], 0)
np.testing.assert_array_equal(seen["pred"], 123) # 退化量化:喂 0 → q=123
np.testing.assert_allclose(result, 0)
def test_multiframe_scrambled_report_order(self):
"""HEF vstream 报告顺序可能被打乱(实测 1,5,4,3,2),
帧输入必须按 input_layerN 排序绑定,否则 frame1/frame2 错位"""
from hailo_infer import HailoPredictor
infos_in = [
_FakeVStreamInfo("net/input_layer1", (8, 8, 3),
_FakeFormatType.FLOAT32),
_FakeVStreamInfo("net/input_layer3", (8, 8, 3),
_FakeFormatType.FLOAT32),
_FakeVStreamInfo("net/input_layer2", (8, 8, 3),
_FakeFormatType.FLOAT32),
_FakeVStreamInfo("net/input_layer4", (1, 2, 3),
_FakeFormatType.FLOAT32),
_FakeVStreamInfo("net/input_layer5", (1, 1, 4),
_FakeFormatType.FLOAT32),
]
infos_out = [_FakeVStreamInfo("net/conv49", (1, 1, 3),
_FakeFormatType.FLOAT32)]
seen = {}
def transform(b):
for name in ("net/input_layer1", "net/input_layer2",
"net/input_layer3"):
seen[name] = np.asarray(b.input(name).get_buffer()).copy()
_first_row_transform("net/input_layer4", "net/conv49")(b)
_install_fake_hailo(self, infos_in, infos_out, transform)
frames = self._frames(3)
frames[0][:] = 10
frames[1][:] = 20
frames[2][:] = 30
with HailoPredictor("fake.hef") as p:
p.predict(frames, np.zeros((2, 3), dtype=np.float32))
np.testing.assert_array_equal(
seen["net/input_layer1"], np.full((8, 8, 3), 10, np.float32))
np.testing.assert_array_equal(
seen["net/input_layer2"], np.full((8, 8, 3), 20, np.float32))
np.testing.assert_array_equal(
seen["net/input_layer3"], np.full((8, 8, 3), 30, np.float32))
def test_frame_count_mismatch_raises(self):
from hailo_infer import HailoPredictor
infos_in = [