hgnet.py 27 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851
  1. """ PP-HGNet (V1 & V2)
  2. Reference:
  3. https://github.com/PaddlePaddle/PaddleClas/blob/develop/docs/zh_CN/models/ImageNet1k/PP-HGNetV2.md
  4. The Paddle Implement of PP-HGNet (https://github.com/PaddlePaddle/PaddleClas/blob/release/2.5.1/docs/en/models/PP-HGNet_en.md)
  5. PP-HGNet: https://github.com/PaddlePaddle/PaddleClas/blob/release/2.5.1/ppcls/arch/backbone/legendary_models/pp_hgnet.py
  6. PP-HGNetv2: https://github.com/PaddlePaddle/PaddleClas/blob/release/2.5.1/ppcls/arch/backbone/legendary_models/pp_hgnet_v2.py
  7. """
  8. from typing import Dict, List, Optional, Tuple, Type, Union
  9. import torch
  10. import torch.nn as nn
  11. import torch.nn.functional as F
  12. from timm.data import IMAGENET_DEFAULT_MEAN, IMAGENET_DEFAULT_STD
  13. from timm.layers import SelectAdaptivePool2d, DropPath, calculate_drop_path_rates, create_conv2d
  14. from ._builder import build_model_with_cfg
  15. from ._features import feature_take_indices
  16. from ._registry import register_model, generate_default_cfgs
  17. from ._manipulate import checkpoint_seq
  18. __all__ = ['HighPerfGpuNet']
  19. class LearnableAffineBlock(nn.Module):
  20. def __init__(
  21. self,
  22. scale_value: float = 1.0,
  23. bias_value: float = 0.0,
  24. device=None,
  25. dtype=None,
  26. ):
  27. dd = {'device': device, 'dtype': dtype}
  28. super().__init__()
  29. self.scale = nn.Parameter(torch.tensor([scale_value], **dd), requires_grad=True)
  30. self.bias = nn.Parameter(torch.tensor([bias_value], **dd), requires_grad=True)
  31. def forward(self, x):
  32. return self.scale * x + self.bias
  33. class ConvBNAct(nn.Module):
  34. def __init__(
  35. self,
  36. in_chs: int,
  37. out_chs: int,
  38. kernel_size: int,
  39. stride: int = 1,
  40. groups: int = 1,
  41. padding: str = '',
  42. use_act: bool = True,
  43. use_lab: bool = False,
  44. device=None,
  45. dtype=None,
  46. ):
  47. dd = {'device': device, 'dtype': dtype}
  48. super().__init__()
  49. self.use_act = use_act
  50. self.use_lab = use_lab
  51. self.conv = create_conv2d(
  52. in_chs,
  53. out_chs,
  54. kernel_size,
  55. stride=stride,
  56. padding=padding,
  57. groups=groups,
  58. **dd,
  59. )
  60. self.bn = nn.BatchNorm2d(out_chs, **dd)
  61. if self.use_act:
  62. self.act = nn.ReLU()
  63. else:
  64. self.act = nn.Identity()
  65. if self.use_act and self.use_lab:
  66. self.lab = LearnableAffineBlock(**dd)
  67. else:
  68. self.lab = nn.Identity()
  69. def forward(self, x):
  70. x = self.conv(x)
  71. x = self.bn(x)
  72. x = self.act(x)
  73. x = self.lab(x)
  74. return x
  75. class LightConvBNAct(nn.Module):
  76. def __init__(
  77. self,
  78. in_chs: int,
  79. out_chs: int,
  80. kernel_size: int,
  81. groups: int = 1,
  82. use_lab: bool = False,
  83. device=None,
  84. dtype=None,
  85. ):
  86. dd = {'device': device, 'dtype': dtype}
  87. super().__init__()
  88. self.conv1 = ConvBNAct(
  89. in_chs,
  90. out_chs,
  91. kernel_size=1,
  92. use_act=False,
  93. use_lab=use_lab,
  94. **dd,
  95. )
  96. self.conv2 = ConvBNAct(
  97. out_chs,
  98. out_chs,
  99. kernel_size=kernel_size,
  100. groups=out_chs,
  101. use_act=True,
  102. use_lab=use_lab,
  103. **dd,
  104. )
  105. def forward(self, x):
  106. x = self.conv1(x)
  107. x = self.conv2(x)
  108. return x
  109. class EseModule(nn.Module):
  110. def __init__(self, chs: int, device=None, dtype=None):
  111. dd = {'device': device, 'dtype': dtype}
  112. super().__init__()
  113. self.conv = nn.Conv2d(
  114. chs,
  115. chs,
  116. kernel_size=1,
  117. stride=1,
  118. padding=0,
  119. **dd,
  120. )
  121. self.sigmoid = nn.Sigmoid()
  122. def forward(self, x):
  123. identity = x
  124. x = x.mean((2, 3), keepdim=True)
  125. x = self.conv(x)
  126. x = self.sigmoid(x)
  127. return torch.mul(identity, x)
  128. class StemV1(nn.Module):
  129. # for PP-HGNet
  130. def __init__(self, stem_chs: List[int], device=None, dtype=None):
  131. dd = {'device': device, 'dtype': dtype}
  132. super().__init__()
  133. self.stem = nn.Sequential(*[
  134. ConvBNAct(
  135. stem_chs[i],
  136. stem_chs[i + 1],
  137. kernel_size=3,
  138. stride=2 if i == 0 else 1,
  139. **dd) for i in range(
  140. len(stem_chs) - 1)
  141. ])
  142. self.pool = nn.MaxPool2d(kernel_size=3, stride=2, padding=1)
  143. def forward(self, x):
  144. x = self.stem(x)
  145. x = self.pool(x)
  146. return x
  147. class StemV2(nn.Module):
  148. # for PP-HGNetv2
  149. def __init__(
  150. self,
  151. in_chs: int,
  152. mid_chs: int,
  153. out_chs: int,
  154. use_lab: bool = False,
  155. device=None,
  156. dtype=None,
  157. ):
  158. dd = {'device': device, 'dtype': dtype}
  159. super().__init__()
  160. self.stem1 = ConvBNAct(
  161. in_chs,
  162. mid_chs,
  163. kernel_size=3,
  164. stride=2,
  165. use_lab=use_lab,
  166. **dd,
  167. )
  168. self.stem2a = ConvBNAct(
  169. mid_chs,
  170. mid_chs // 2,
  171. kernel_size=2,
  172. stride=1,
  173. use_lab=use_lab,
  174. **dd,
  175. )
  176. self.stem2b = ConvBNAct(
  177. mid_chs // 2,
  178. mid_chs,
  179. kernel_size=2,
  180. stride=1,
  181. use_lab=use_lab,
  182. **dd,
  183. )
  184. self.stem3 = ConvBNAct(
  185. mid_chs * 2,
  186. mid_chs,
  187. kernel_size=3,
  188. stride=2,
  189. use_lab=use_lab,
  190. **dd,
  191. )
  192. self.stem4 = ConvBNAct(
  193. mid_chs,
  194. out_chs,
  195. kernel_size=1,
  196. stride=1,
  197. use_lab=use_lab,
  198. **dd,
  199. )
  200. self.pool = nn.MaxPool2d(kernel_size=2, stride=1, ceil_mode=True)
  201. def forward(self, x):
  202. x = self.stem1(x)
  203. x = F.pad(x, (0, 1, 0, 1))
  204. x2 = self.stem2a(x)
  205. x2 = F.pad(x2, (0, 1, 0, 1))
  206. x2 = self.stem2b(x2)
  207. x1 = self.pool(x)
  208. x = torch.cat([x1, x2], dim=1)
  209. x = self.stem3(x)
  210. x = self.stem4(x)
  211. return x
  212. class HighPerfGpuBlock(nn.Module):
  213. def __init__(
  214. self,
  215. in_chs: int,
  216. mid_chs: int,
  217. out_chs: int,
  218. layer_num: int,
  219. kernel_size: int = 3,
  220. residual: bool = False,
  221. light_block: bool = False,
  222. use_lab: bool = False,
  223. agg: str = 'ese',
  224. drop_path: Union[List[float], float] = 0.,
  225. device=None,
  226. dtype=None,
  227. ):
  228. dd = {'device': device, 'dtype': dtype}
  229. super().__init__()
  230. self.residual = residual
  231. self.layers = nn.ModuleList()
  232. for i in range(layer_num):
  233. if light_block:
  234. self.layers.append(
  235. LightConvBNAct(
  236. in_chs if i == 0 else mid_chs,
  237. mid_chs,
  238. kernel_size=kernel_size,
  239. use_lab=use_lab,
  240. **dd,
  241. )
  242. )
  243. else:
  244. self.layers.append(
  245. ConvBNAct(
  246. in_chs if i == 0 else mid_chs,
  247. mid_chs,
  248. kernel_size=kernel_size,
  249. stride=1,
  250. use_lab=use_lab,
  251. **dd,
  252. )
  253. )
  254. # feature aggregation
  255. total_chs = in_chs + layer_num * mid_chs
  256. if agg == 'se':
  257. aggregation_squeeze_conv = ConvBNAct(
  258. total_chs,
  259. out_chs // 2,
  260. kernel_size=1,
  261. stride=1,
  262. use_lab=use_lab,
  263. **dd,
  264. )
  265. aggregation_excitation_conv = ConvBNAct(
  266. out_chs // 2,
  267. out_chs,
  268. kernel_size=1,
  269. stride=1,
  270. use_lab=use_lab,
  271. **dd,
  272. )
  273. self.aggregation = nn.Sequential(
  274. aggregation_squeeze_conv,
  275. aggregation_excitation_conv,
  276. )
  277. else:
  278. aggregation_conv = ConvBNAct(
  279. total_chs,
  280. out_chs,
  281. kernel_size=1,
  282. stride=1,
  283. use_lab=use_lab,
  284. **dd,
  285. )
  286. att = EseModule(out_chs, **dd)
  287. self.aggregation = nn.Sequential(
  288. aggregation_conv,
  289. att,
  290. )
  291. self.drop_path = DropPath(drop_path) if drop_path else nn.Identity()
  292. def forward(self, x):
  293. identity = x
  294. output = [x]
  295. for layer in self.layers:
  296. x = layer(x)
  297. output.append(x)
  298. x = torch.cat(output, dim=1)
  299. x = self.aggregation(x)
  300. if self.residual:
  301. x = self.drop_path(x) + identity
  302. return x
  303. class HighPerfGpuStage(nn.Module):
  304. def __init__(
  305. self,
  306. in_chs: int,
  307. mid_chs: int,
  308. out_chs: int,
  309. block_num: int,
  310. layer_num: int,
  311. downsample: bool = True,
  312. stride: int = 2,
  313. light_block: bool = False,
  314. kernel_size: int = 3,
  315. use_lab: bool = False,
  316. agg: str = 'ese',
  317. drop_path: Union[List[float], float] = 0.,
  318. device=None,
  319. dtype=None,
  320. ):
  321. dd = {'device': device, 'dtype': dtype}
  322. super().__init__()
  323. self.downsample = downsample
  324. if downsample:
  325. self.downsample = ConvBNAct(
  326. in_chs,
  327. in_chs,
  328. kernel_size=3,
  329. stride=stride,
  330. groups=in_chs,
  331. use_act=False,
  332. use_lab=use_lab,
  333. **dd,
  334. )
  335. else:
  336. self.downsample = nn.Identity()
  337. blocks_list = []
  338. for i in range(block_num):
  339. blocks_list.append(
  340. HighPerfGpuBlock(
  341. in_chs if i == 0 else out_chs,
  342. mid_chs,
  343. out_chs,
  344. layer_num,
  345. residual=False if i == 0 else True,
  346. kernel_size=kernel_size,
  347. light_block=light_block,
  348. use_lab=use_lab,
  349. agg=agg,
  350. drop_path=drop_path[i] if isinstance(drop_path, (list, tuple)) else drop_path,
  351. **dd,
  352. )
  353. )
  354. self.blocks = nn.Sequential(*blocks_list)
  355. self.grad_checkpointing= False
  356. def forward(self, x):
  357. x = self.downsample(x)
  358. if self.grad_checkpointing and not torch.jit.is_scripting():
  359. x = checkpoint_seq(self.blocks, x)
  360. else:
  361. x = self.blocks(x)
  362. return x
  363. class ClassifierHead(nn.Module):
  364. def __init__(
  365. self,
  366. in_features: int,
  367. num_classes: int,
  368. pool_type: str = 'avg',
  369. drop_rate: float = 0.,
  370. hidden_size: Optional[int] = 2048,
  371. use_lab: bool = False,
  372. device=None,
  373. dtype=None,
  374. ):
  375. dd = {'device': device, 'dtype': dtype}
  376. super().__init__()
  377. self.num_features = in_features
  378. if pool_type is not None:
  379. if not pool_type:
  380. assert num_classes == 0, 'Classifier head must be removed if pooling is disabled'
  381. self.global_pool = SelectAdaptivePool2d(pool_type=pool_type)
  382. if hidden_size is not None:
  383. self.num_features = hidden_size
  384. last_conv = nn.Conv2d(
  385. in_features,
  386. hidden_size,
  387. kernel_size=1,
  388. stride=1,
  389. padding=0,
  390. bias=False,
  391. **dd,
  392. )
  393. act = nn.ReLU()
  394. if use_lab:
  395. lab = LearnableAffineBlock(**dd)
  396. self.last_conv = nn.Sequential(last_conv, act, lab)
  397. else:
  398. self.last_conv = nn.Sequential(last_conv, act)
  399. else:
  400. self.last_conv = nn.Identity()
  401. self.dropout = nn.Dropout(drop_rate)
  402. self.flatten = nn.Flatten(1) if pool_type else nn.Identity() # don't flatten if pooling disabled
  403. self.fc = nn.Linear(self.num_features, num_classes, **dd) if num_classes > 0 else nn.Identity()
  404. def reset(self, num_classes: int, pool_type: Optional[str] = None, device=None, dtype=None):
  405. dd = {'device': device, 'dtype': dtype}
  406. if pool_type is not None:
  407. if not pool_type:
  408. assert num_classes == 0, 'Classifier head must be removed if pooling is disabled'
  409. self.global_pool = SelectAdaptivePool2d(pool_type=pool_type)
  410. self.flatten = nn.Flatten(1) if pool_type else nn.Identity() # don't flatten if pooling disabled
  411. self.fc = nn.Linear(self.num_features, num_classes, **dd) if num_classes > 0 else nn.Identity()
  412. def forward(self, x, pre_logits: bool = False):
  413. x = self.global_pool(x)
  414. x = self.last_conv(x)
  415. x = self.dropout(x)
  416. x = self.flatten(x)
  417. if pre_logits:
  418. return x
  419. x = self.fc(x)
  420. return x
  421. class HighPerfGpuNet(nn.Module):
  422. def __init__(
  423. self,
  424. cfg: Dict,
  425. in_chans: int = 3,
  426. num_classes: int = 1000,
  427. global_pool: str = 'avg',
  428. head_hidden_size: Optional[int] = 2048,
  429. drop_rate: float = 0.,
  430. drop_path_rate: float = 0.,
  431. use_lab: bool = False,
  432. device=None,
  433. dtype=None,
  434. **kwargs,
  435. ):
  436. super().__init__()
  437. dd = {'device': device, 'dtype': dtype}
  438. stem_type = cfg["stem_type"]
  439. stem_chs = cfg["stem_chs"]
  440. stages_cfg = [cfg["stage1"], cfg["stage2"], cfg["stage3"], cfg["stage4"]]
  441. self.num_classes = num_classes
  442. self.drop_rate = drop_rate
  443. self.use_lab = use_lab
  444. assert stem_type in ['v1', 'v2']
  445. if stem_type == 'v2':
  446. self.stem = StemV2(
  447. in_chs=in_chans,
  448. mid_chs=stem_chs[0],
  449. out_chs=stem_chs[1],
  450. use_lab=use_lab,
  451. **dd,
  452. )
  453. else:
  454. self.stem = StemV1([in_chans] + stem_chs, **dd)
  455. current_stride = 4
  456. stages = []
  457. self.feature_info = []
  458. block_depths = [c[3] for c in stages_cfg]
  459. dpr = calculate_drop_path_rates(drop_path_rate, block_depths, stagewise=True)
  460. for i, stage_config in enumerate(stages_cfg):
  461. in_chs, mid_chs, out_chs, block_num, downsample, light_block, kernel_size, layer_num = stage_config
  462. stages += [HighPerfGpuStage(
  463. in_chs=in_chs,
  464. mid_chs=mid_chs,
  465. out_chs=out_chs,
  466. block_num=block_num,
  467. layer_num=layer_num,
  468. downsample=downsample,
  469. light_block=light_block,
  470. kernel_size=kernel_size,
  471. use_lab=use_lab,
  472. agg='ese' if stem_type == 'v1' else 'se',
  473. drop_path=dpr[i],
  474. **dd,
  475. )]
  476. self.num_features = out_chs
  477. if downsample:
  478. current_stride *= 2
  479. self.feature_info += [dict(num_chs=self.num_features, reduction=current_stride, module=f'stages.{i}')]
  480. self.stages = nn.Sequential(*stages)
  481. self.head = ClassifierHead(
  482. self.num_features,
  483. num_classes=num_classes,
  484. pool_type=global_pool,
  485. drop_rate=drop_rate,
  486. hidden_size=head_hidden_size,
  487. use_lab=use_lab,
  488. **dd,
  489. )
  490. self.head_hidden_size = self.head.num_features
  491. for n, m in self.named_modules():
  492. if isinstance(m, nn.Conv2d):
  493. nn.init.kaiming_normal_(m.weight, mode='fan_out', nonlinearity='relu')
  494. elif isinstance(m, nn.BatchNorm2d):
  495. nn.init.ones_(m.weight)
  496. nn.init.zeros_(m.bias)
  497. elif isinstance(m, nn.Linear):
  498. nn.init.zeros_(m.bias)
  499. @torch.jit.ignore
  500. def group_matcher(self, coarse=False):
  501. return dict(
  502. stem=r'^stem',
  503. blocks=r'^stages\.(\d+)' if coarse else r'^stages\.(\d+).blocks\.(\d+)',
  504. )
  505. @torch.jit.ignore
  506. def set_grad_checkpointing(self, enable=True):
  507. for s in self.stages:
  508. s.grad_checkpointing = enable
  509. @torch.jit.ignore
  510. def get_classifier(self) -> nn.Module:
  511. return self.head.fc
  512. def reset_classifier(self, num_classes: int, global_pool: Optional[str] = None, device=None, dtype=None):
  513. self.num_classes = num_classes
  514. self.head.reset(num_classes, global_pool, device=device, dtype=dtype)
  515. def forward_intermediates(
  516. self,
  517. x: torch.Tensor,
  518. indices: Optional[Union[int, List[int]]] = None,
  519. norm: bool = False,
  520. stop_early: bool = False,
  521. output_fmt: str = 'NCHW',
  522. intermediates_only: bool = False,
  523. ) -> Union[List[torch.Tensor], Tuple[torch.Tensor, List[torch.Tensor]]]:
  524. """ Forward features that returns intermediates.
  525. Args:
  526. x: Input image tensor
  527. indices: Take last n blocks if int, all if None, select matching indices if sequence
  528. norm: Apply norm layer to compatible intermediates
  529. stop_early: Stop iterating over blocks when last desired intermediate hit
  530. output_fmt: Shape of intermediate feature outputs
  531. intermediates_only: Only return intermediate features
  532. Returns:
  533. """
  534. assert output_fmt in ('NCHW',), 'Output shape must be NCHW.'
  535. intermediates = []
  536. take_indices, max_index = feature_take_indices(len(self.stages), indices)
  537. # forward pass
  538. x = self.stem(x)
  539. if torch.jit.is_scripting() or not stop_early: # can't slice blocks in torchscript
  540. stages = self.stages
  541. else:
  542. stages = self.stages[:max_index + 1]
  543. for feat_idx, stage in enumerate(stages):
  544. x = stage(x)
  545. if feat_idx in take_indices:
  546. intermediates.append(x)
  547. if intermediates_only:
  548. return intermediates
  549. return x, intermediates
  550. def prune_intermediate_layers(
  551. self,
  552. indices: Union[int, List[int]] = 1,
  553. prune_norm: bool = False,
  554. prune_head: bool = True,
  555. ):
  556. """ Prune layers not required for specified intermediates.
  557. """
  558. take_indices, max_index = feature_take_indices(len(self.stages), indices)
  559. self.stages = self.stages[:max_index + 1] # truncate blocks w/ stem as idx 0
  560. if prune_head:
  561. self.reset_classifier(0, 'avg')
  562. return take_indices
  563. def forward_features(self, x):
  564. x = self.stem(x)
  565. return self.stages(x)
  566. def forward_head(self, x, pre_logits: bool = False):
  567. return self.head(x, pre_logits=pre_logits) if pre_logits else self.head(x)
  568. def forward(self, x):
  569. x = self.forward_features(x)
  570. x = self.forward_head(x)
  571. return x
  572. model_cfgs = dict(
  573. # PP-HGNet
  574. hgnet_tiny={
  575. "stem_type": 'v1',
  576. "stem_chs": [48, 48, 96],
  577. # in_chs, mid_chs, out_chs, blocks, downsample, light_block, kernel_size, layer_num
  578. "stage1": [96, 96, 224, 1, False, False, 3, 5],
  579. "stage2": [224, 128, 448, 1, True, False, 3, 5],
  580. "stage3": [448, 160, 512, 2, True, False, 3, 5],
  581. "stage4": [512, 192, 768, 1, True, False, 3, 5],
  582. },
  583. hgnet_small={
  584. "stem_type": 'v1',
  585. "stem_chs": [64, 64, 128],
  586. # in_chs, mid_chs, out_chs, blocks, downsample, light_block, kernel_size, layer_num
  587. "stage1": [128, 128, 256, 1, False, False, 3, 6],
  588. "stage2": [256, 160, 512, 1, True, False, 3, 6],
  589. "stage3": [512, 192, 768, 2, True, False, 3, 6],
  590. "stage4": [768, 224, 1024, 1, True, False, 3, 6],
  591. },
  592. hgnet_base={
  593. "stem_type": 'v1',
  594. "stem_chs": [96, 96, 160],
  595. # in_chs, mid_chs, out_chs, blocks, downsample, light_block, kernel_size, layer_num
  596. "stage1": [160, 192, 320, 1, False, False, 3, 7],
  597. "stage2": [320, 224, 640, 2, True, False, 3, 7],
  598. "stage3": [640, 256, 960, 3, True, False, 3, 7],
  599. "stage4": [960, 288, 1280, 2, True, False, 3, 7],
  600. },
  601. # PP-HGNetv2
  602. hgnetv2_b0={
  603. "stem_type": 'v2',
  604. "stem_chs": [16, 16],
  605. # in_chs, mid_chs, out_chs, blocks, downsample, light_block, kernel_size, layer_num
  606. "stage1": [16, 16, 64, 1, False, False, 3, 3],
  607. "stage2": [64, 32, 256, 1, True, False, 3, 3],
  608. "stage3": [256, 64, 512, 2, True, True, 5, 3],
  609. "stage4": [512, 128, 1024, 1, True, True, 5, 3],
  610. },
  611. hgnetv2_b1={
  612. "stem_type": 'v2',
  613. "stem_chs": [24, 32],
  614. # in_chs, mid_chs, out_chs, blocks, downsample, light_block, kernel_size, layer_num
  615. "stage1": [32, 32, 64, 1, False, False, 3, 3],
  616. "stage2": [64, 48, 256, 1, True, False, 3, 3],
  617. "stage3": [256, 96, 512, 2, True, True, 5, 3],
  618. "stage4": [512, 192, 1024, 1, True, True, 5, 3],
  619. },
  620. hgnetv2_b2={
  621. "stem_type": 'v2',
  622. "stem_chs": [24, 32],
  623. # in_chs, mid_chs, out_chs, blocks, downsample, light_block, kernel_size, layer_num
  624. "stage1": [32, 32, 96, 1, False, False, 3, 4],
  625. "stage2": [96, 64, 384, 1, True, False, 3, 4],
  626. "stage3": [384, 128, 768, 3, True, True, 5, 4],
  627. "stage4": [768, 256, 1536, 1, True, True, 5, 4],
  628. },
  629. hgnetv2_b3={
  630. "stem_type": 'v2',
  631. "stem_chs": [24, 32],
  632. # in_chs, mid_chs, out_chs, blocks, downsample, light_block, kernel_size, layer_num
  633. "stage1": [32, 32, 128, 1, False, False, 3, 5],
  634. "stage2": [128, 64, 512, 1, True, False, 3, 5],
  635. "stage3": [512, 128, 1024, 3, True, True, 5, 5],
  636. "stage4": [1024, 256, 2048, 1, True, True, 5, 5],
  637. },
  638. hgnetv2_b4={
  639. "stem_type": 'v2',
  640. "stem_chs": [32, 48],
  641. # in_chs, mid_chs, out_chs, blocks, downsample, light_block, kernel_size, layer_num
  642. "stage1": [48, 48, 128, 1, False, False, 3, 6],
  643. "stage2": [128, 96, 512, 1, True, False, 3, 6],
  644. "stage3": [512, 192, 1024, 3, True, True, 5, 6],
  645. "stage4": [1024, 384, 2048, 1, True, True, 5, 6],
  646. },
  647. hgnetv2_b5={
  648. "stem_type": 'v2',
  649. "stem_chs": [32, 64],
  650. # in_chs, mid_chs, out_chs, blocks, downsample, light_block, kernel_size, layer_num
  651. "stage1": [64, 64, 128, 1, False, False, 3, 6],
  652. "stage2": [128, 128, 512, 2, True, False, 3, 6],
  653. "stage3": [512, 256, 1024, 5, True, True, 5, 6],
  654. "stage4": [1024, 512, 2048, 2, True, True, 5, 6],
  655. },
  656. hgnetv2_b6={
  657. "stem_type": 'v2',
  658. "stem_chs": [48, 96],
  659. # in_chs, mid_chs, out_chs, blocks, downsample, light_block, kernel_size, layer_num
  660. "stage1": [96, 96, 192, 2, False, False, 3, 6],
  661. "stage2": [192, 192, 512, 3, True, False, 3, 6],
  662. "stage3": [512, 384, 1024, 6, True, True, 5, 6],
  663. "stage4": [1024, 768, 2048, 3, True, True, 5, 6],
  664. },
  665. )
  666. def _create_hgnet(variant, pretrained=False, **kwargs):
  667. out_indices = kwargs.pop('out_indices', (0, 1, 2, 3))
  668. return build_model_with_cfg(
  669. HighPerfGpuNet,
  670. variant,
  671. pretrained,
  672. model_cfg=model_cfgs[variant],
  673. feature_cfg=dict(flatten_sequential=True, out_indices=out_indices),
  674. **kwargs,
  675. )
  676. def _cfg(url='', **kwargs):
  677. return {
  678. 'url': url,
  679. 'num_classes': 1000, 'input_size': (3, 224, 224), 'pool_size': (7, 7),
  680. 'crop_pct': 0.965, 'interpolation': 'bicubic',
  681. 'mean': IMAGENET_DEFAULT_MEAN, 'std': IMAGENET_DEFAULT_STD,
  682. 'classifier': 'head.fc', 'first_conv': 'stem.stem1.conv',
  683. 'test_crop_pct': 1.0, 'test_input_size': (3, 288, 288),
  684. 'license': 'apache-2.0',
  685. **kwargs,
  686. }
  687. default_cfgs = generate_default_cfgs({
  688. 'hgnet_tiny.paddle_in1k': _cfg(
  689. first_conv='stem.stem.0.conv',
  690. hf_hub_id='timm/'),
  691. 'hgnet_tiny.ssld_in1k': _cfg(
  692. first_conv='stem.stem.0.conv',
  693. hf_hub_id='timm/'),
  694. 'hgnet_small.paddle_in1k': _cfg(
  695. first_conv='stem.stem.0.conv',
  696. hf_hub_id='timm/'),
  697. 'hgnet_small.ssld_in1k': _cfg(
  698. first_conv='stem.stem.0.conv',
  699. hf_hub_id='timm/'),
  700. 'hgnet_base.ssld_in1k': _cfg(
  701. first_conv='stem.stem.0.conv',
  702. hf_hub_id='timm/'),
  703. 'hgnetv2_b0.ssld_stage2_ft_in1k': _cfg(
  704. hf_hub_id='timm/'),
  705. 'hgnetv2_b0.ssld_stage1_in22k_in1k': _cfg(
  706. hf_hub_id='timm/'),
  707. 'hgnetv2_b1.ssld_stage2_ft_in1k': _cfg(
  708. hf_hub_id='timm/'),
  709. 'hgnetv2_b1.ssld_stage1_in22k_in1k': _cfg(
  710. hf_hub_id='timm/'),
  711. 'hgnetv2_b2.ssld_stage2_ft_in1k': _cfg(
  712. hf_hub_id='timm/'),
  713. 'hgnetv2_b2.ssld_stage1_in22k_in1k': _cfg(
  714. hf_hub_id='timm/'),
  715. 'hgnetv2_b3.ssld_stage2_ft_in1k': _cfg(
  716. hf_hub_id='timm/'),
  717. 'hgnetv2_b3.ssld_stage1_in22k_in1k': _cfg(
  718. hf_hub_id='timm/'),
  719. 'hgnetv2_b4.ssld_stage2_ft_in1k': _cfg(
  720. hf_hub_id='timm/'),
  721. 'hgnetv2_b4.ssld_stage1_in22k_in1k': _cfg(
  722. hf_hub_id='timm/'),
  723. 'hgnetv2_b5.ssld_stage2_ft_in1k': _cfg(
  724. hf_hub_id='timm/'),
  725. 'hgnetv2_b5.ssld_stage1_in22k_in1k': _cfg(
  726. hf_hub_id='timm/'),
  727. 'hgnetv2_b6.ssld_stage2_ft_in1k': _cfg(
  728. hf_hub_id='timm/'),
  729. 'hgnetv2_b6.ssld_stage1_in22k_in1k': _cfg(
  730. hf_hub_id='timm/'),
  731. })
  732. @register_model
  733. def hgnet_tiny(pretrained=False, **kwargs) -> HighPerfGpuNet:
  734. return _create_hgnet('hgnet_tiny', pretrained=pretrained, **kwargs)
  735. @register_model
  736. def hgnet_small(pretrained=False, **kwargs) -> HighPerfGpuNet:
  737. return _create_hgnet('hgnet_small', pretrained=pretrained, **kwargs)
  738. @register_model
  739. def hgnet_base(pretrained=False, **kwargs) -> HighPerfGpuNet:
  740. return _create_hgnet('hgnet_base', pretrained=pretrained, **kwargs)
  741. @register_model
  742. def hgnetv2_b0(pretrained=False, **kwargs) -> HighPerfGpuNet:
  743. return _create_hgnet('hgnetv2_b0', pretrained=pretrained, use_lab=True, **kwargs)
  744. @register_model
  745. def hgnetv2_b1(pretrained=False, **kwargs) -> HighPerfGpuNet:
  746. return _create_hgnet('hgnetv2_b1', pretrained=pretrained, use_lab=True, **kwargs)
  747. @register_model
  748. def hgnetv2_b2(pretrained=False, **kwargs) -> HighPerfGpuNet:
  749. return _create_hgnet('hgnetv2_b2', pretrained=pretrained, use_lab=True, **kwargs)
  750. @register_model
  751. def hgnetv2_b3(pretrained=False, **kwargs) -> HighPerfGpuNet:
  752. return _create_hgnet('hgnetv2_b3', pretrained=pretrained, use_lab=True, **kwargs)
  753. @register_model
  754. def hgnetv2_b4(pretrained=False, **kwargs) -> HighPerfGpuNet:
  755. return _create_hgnet('hgnetv2_b4', pretrained=pretrained, **kwargs)
  756. @register_model
  757. def hgnetv2_b5(pretrained=False, **kwargs) -> HighPerfGpuNet:
  758. return _create_hgnet('hgnetv2_b5', pretrained=pretrained, **kwargs)
  759. @register_model
  760. def hgnetv2_b6(pretrained=False, **kwargs) -> HighPerfGpuNet:
  761. return _create_hgnet('hgnetv2_b6', pretrained=pretrained, **kwargs)