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eval.py
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eval.py
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import torch
import torch.nn as nn
from tools import builder
from utils import misc, dist_utils
import time
from utils.logger import *
from utils.AverageMeter import AverageMeter
import numpy as np
from datasets import data_transforms
from pointnet2_ops import pointnet2_utils
from torchvision import transforms
from models.PointMLP import pointMLPProject
from models.PointMLP import pointMLP
from tensorboardX import SummaryWriter
import math
import os
from sklearn.cluster import KMeans
from models.dvae import Group, Group_Iterate
from PIL import Image
import torchvision.transforms as transforms
from utils import parser, dist_utils, misc
from utils.logger import *
from utils.config import *
import models.SLIP.models as slip_models
import clip
train_transforms = transforms.Compose(
[
data_transforms.PointcloudScaleAndTranslate(),
]
)
test_transforms = transforms.Compose(
[
data_transforms.PointcloudScaleAndTranslate(),
]
)
class Acc_Metric:
def __init__(self, acc = 0.):
if type(acc).__name__ == 'dict':
self.acc = acc['acc']
elif type(acc).__name__ == 'Acc_Metric':
self.acc = acc.acc
else:
self.acc = acc
def better_than(self, other):
if self.acc > other.acc:
return True
else:
return False
def state_dict(self):
_dict = dict()
_dict['acc'] = self.acc
return _dict
def main():
# args
args = parser.get_args()
# CUDA
args.use_gpu = torch.cuda.is_available()
if args.use_gpu:
torch.backends.cudnn.benchmark = True
# init distributed env first, since logger depends on the dist info.
if args.launcher == 'none':
args.distributed = False
else:
args.distributed = True
dist_utils.init_dist(args.launcher)
# re-set gpu_ids with distributed training mode
_, world_size = dist_utils.get_dist_info()
args.world_size = world_size
# logger
timestamp = time.strftime('%Y%m%d_%H%M%S', time.localtime())
log_file = os.path.join(args.experiment_path, f'{timestamp}.log')
logger = get_root_logger(log_file=log_file, name=args.log_name)
# define the tensorboard writer
config = get_config(args, logger = logger)
train_writer = None
val_writer = None
log_args_to_file(args, 'args', logger = logger)
log_config_to_file(config, 'config', logger = logger)
# exit()
# DATALOADER #########################################################################
logger = get_logger(args.log_name)
start_epoch = 0
# build dataset
if args.zshot:
(_, MN40_dataloader,mn40_classes),(_, MN10_dataloader,mn10_classes),\
(_, scan_dataloader,scan_classes)= builder.dataset_builder(args, config.dataset.mn40), \
builder.dataset_builder(args, config.dataset.mn10), \
builder.dataset_builder(args, config.dataset.scan)
(_, extra_train_dataloader) = builder.dataset_builder(args, config.dataset.extra_train) if config.dataset.get('extra_train') else (None, None)
else:
(_, test_dataloader, _)= builder.dataset_builder(args, config.dataset.val)
## MODEL DEF ########################################################################
# build model
# import pdb; pdb.set_trace()
if config.model.NAME == 'PointMLP':
if args.zshot:
base_model = pointMLPProject()
else:
base_model = pointMLP()
base_model.load_model_from_ckpt(base_model,args.ckpts)
else:
base_model = builder.model_builder(config.model)
base_ckpt = torch.load(args.ckpts)
base_ckpt = {k.replace("module.", ""): v for k, v in base_ckpt['base_model'].items()}
base_model.load_state_dict(base_ckpt)
print("Loaded model from ",args.ckpts)
# base_model.load_model_from_ckpt(args.ckpts)
base_model.to(args.local_rank)
clip_mode = None
if args.zshot:
if args.VL == 'CLIP':
clip_model, preprocess = clip.load("RN50x16",device=args.local_rank,jit=False)
elif args.VL == 'SLIP':
# import pdb; pdb.set_trace()
clip_model = getattr(slip_models, args.slip_model_name)(ssl_mlp_dim=args.ssl_mlp_dim, ssl_emb_dim=args.ssl_emb_dim).to(args.local_rank)
pretrained_slip = torch.load(args.slip_model)
temp = {}
for key,value in pretrained_slip['state_dict'].items():
k = key.replace("module.","")
temp[k] = value
clip_model.load_state_dict(temp,strict=False)
clip_dict = torch.load(args.ckpts)['visual_clip_model']
clip_model.visual.load_state_dict(clip_dict)
clip_model.to(args.local_rank)
# PREP FOR TESTING ################################################################
f = open(os.path.join(args.dataset_root,"shapenet_render/shape_names.txt"))
val_classes = f.readlines()
for i in range(len(val_classes)):
val_classes[i] = val_classes[i][:-1]
texts_validation = []
for c in val_classes:
texts_validation.append(args.text_prompt + c)
text_validation = clip.tokenize(texts_validation).to(args.local_rank)
mn40_texts_validation = []
for c in mn40_classes.keys():
mn40_texts_validation.append(args.text_prompt + c)
mn40_text_validation = clip.tokenize(mn40_texts_validation).to(args.local_rank)
mn10_texts_validation = []
for c in mn10_classes.keys():
mn10_texts_validation.append(args.text_prompt + c)
mn10_text_validation = clip.tokenize(mn10_texts_validation).to(args.local_rank)
scan_texts_validation = []
for c in scan_classes.keys():
scan_texts_validation.append(args.text_prompt + c)
scan_text_validation = clip.tokenize(scan_texts_validation).to(args.local_rank)
########################################################################################
# TEST ###########################################################################
overall_acc_MN40, class_wise_acc_MN40, metrics_MN40 = validate_ZS(args,base_model,clip_model,MN40_dataloader,mn40_text_validation,mn40_classes,val_writer,start_epoch,logger,config)
print_log("{{MODELNET40 overall accuracy: %.3f}}"%overall_acc_MN40,logger = logger)
print_log("{{MODELNET40 class-wise mean Accuracy: %.3f}}"%class_wise_acc_MN40,logger = logger)
overall_acc_MN10, class_wise_acc_MN10, metrics_MN10 = validate_ZS(args,base_model,clip_model,MN10_dataloader,mn10_text_validation,mn10_classes,val_writer,start_epoch,logger,config)
print_log("{{MODELNET10 overall accuracy: %.3f}}"%overall_acc_MN10,logger = logger)
print_log("{{MODELNET10 class-wise mean Accuracy: %.3f}}"%class_wise_acc_MN10,logger = logger)
overall_acc_scan, class_wise_acc_scan, metrics_scan = validate_ZS(args,base_model,clip_model,scan_dataloader,scan_text_validation,scan_classes,val_writer,start_epoch,logger,config)
print_log("{{ScanObjectNN overall accuracy: %.3f}}"%overall_acc_scan,logger = logger)
print_log("{{ScanObjectNN class-wise mean Accuracy: %.3f}}"%class_wise_acc_scan,logger = logger)
else:
cls_acc = validate(base_model,test_dataloader, val_writer, args, config)
print("{{Overall classification accuracy: %.3f}}"%cls_acc)
#############################################################################################
def pil_loader(path):
# open path as file to avoid ResourceWarning (https://github.com/python-pillow/Pillow/issues/835)
with open(path, 'rb') as f:
img = Image.open(f)
img = img.convert('RGB')
transform = transforms.Compose([
transforms.Resize(224),
transforms.CenterCrop(224),
lambda x: x.convert('RGB'),
transforms.ToTensor(),
transforms.Normalize(mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225])
])
return transform(img)[:3]
def pc_normalize(pc):
centroid = np.mean(pc, axis=0)
pc = pc - centroid
m = np.max(np.sqrt(np.sum(pc**2, axis=1)))
pc = pc / m
return pc
def validate_ZS(args,base_model,clip_model, test_dataloader,text_validation,val_classes_dict,val_writer,epoch,logger,config):
overall_acc_sh = 0
overall_count_sh = 0
npoints = config.npoints
# val_classes = val_classes.keys()
val_classes = [key for key in val_classes_dict]
# import pdb; pdb.set_trace()
acc_sh = [0]*len(val_classes)
acc_count_sh = [0]*len(val_classes)
base_model.eval()
for idx, (taxonomy_ids, model_ids, data) in enumerate(test_dataloader):
# img = img.cuda().float()
# import pdb; pdb.set_trace()
points = data[0].to(args.local_rank)
points = misc.fps(points,args.npoints)
# import pdb; pd.set_trace()
label = data[1]
batch_size = points.shape[0]
# import pdb; pdb.set_trace()
with torch.no_grad():
# latent_img = clip_model.encode_image(img).float()
if base_model.__class__.__name__ == 'ModelProject':
latent_point = base_model(points.permute(0,2,1).contiguous())
else:
ret, latent_point, _ = base_model(points)
## GET TEXT FEATURES OF CAPTIONS
text_features = clip_model.encode_text(text_validation)
# normalize features
latent_point = (latent_point / latent_point.norm(dim=-1, keepdim=True))
# text_features = text_features / text_features.norm(dim=-1, keepdim=True)
# import pdb; pdb.set_trace()
# compute similarity
logit_scale = clip_model.logit_scale.exp()
logits_per_image = logit_scale * latent_point @ text_features.t().float()
logits_per_text = logits_per_image.t()
probs = logits_per_image.softmax(dim=-1).cpu().numpy()
# import pdb; pdb.set_trace()
for i in range(len(probs)):
ind = np.argmax(probs[i])
prediction = val_classes[ind]
if prediction == val_classes[label[i]]:
acc_sh[label[i]] += 1
overall_acc_sh += 1
overall_count_sh += 1
acc_count_sh[label[i]] += 1
for i in range(len(acc_sh)): acc_sh[i] /= acc_count_sh[i]
acc_sh = np.mean(np.array(acc_sh))
overall_acc_sh /= overall_count_sh
# print_log('[MN40 Validation] EPOCH: %d acc = %.4f' % (epoch,overall_acc_sh), logger=logger)
if args.distributed:
torch.cuda.synchronize()
# Add testing results to TensorBoard
if val_writer is not None:
if len(val_classes) == 40:
val_writer.add_scalar('Metric/ACC_MN40', overall_acc_sh, epoch)
else:
val_writer.add_scalar('Metric/ACC_MN10', overall_acc_sh, epoch)
return overall_acc_sh, acc_sh, Acc_Metric(overall_acc_sh)
def validate(base_model, test_dataloader, val_writer, args, config, logger = None):
base_model.eval() # set model to eval mode
test_pred = []
test_label = []
npoints = config.npoints
with torch.no_grad():
for idx, (taxonomy_ids, model_ids, data) in enumerate(test_dataloader):
points = data[0].cuda()
label = data[1].cuda()
points = misc.fps(points, npoints)
if config.model.NAME == 'PointMLP' or config.model.NAME == 'PointConv':
logits = base_model(points.permute(0,2,1).contiguous())
else:
logits = base_model(points)
target = label.view(-1)
pred = logits.argmax(-1).view(-1)
test_pred.append(pred.detach())
test_label.append(target.detach())
test_pred = torch.cat(test_pred, dim=0)
test_label = torch.cat(test_label, dim=0)
acc = (test_pred == test_label).sum() / float(test_label.size(0)) * 100.
# Add testing results to TensorBoard
return acc
if __name__ == '__main__':
main()