def _batch_optimize(self,
batch_graph,
data_container,
alpha=0.5,
regularize=False):
_word2idx, _idx2word, _adjacency, _ = batch_graph
_emb_shape = data_container.emb_shape
_vocab_size = len(_word2idx)
_init_emb = data_container.init_emb
_init_emb_mat = self.build_init_emb_mat(shape=(_vocab_size,
_emb_shape[0]),
word2idx=_word2idx,
init_emb=_init_emb)
if self.verbose:
print('--Before Optimization:')
evaluate(data_container.init_emb, data_container.lexicon)
print('Building Degree Matrix ...')
_degree = np.zeros(shape=(_vocab_size, _vocab_size))
for i in range(_vocab_size):
_degree[i][i] = np.sum(np.absolute(_adjacency[i]))
assert _degree[i][i] > 0
print('Calculating Graph Laplacian ...')
_reg_degree = np.linalg.matrix_power(np.sqrt(_degree), -1)
_Laplacian = np.matmul(np.matmul(_reg_degree, _adjacency), _reg_degree)
print('Starting Label Spreading optimization with **alpha =', alpha,
'** ...')
_optimized = np.matmul(
np.linalg.matrix_power(
np.identity(_vocab_size) - alpha * _Laplacian, -1),
(1 - alpha) * _init_emb_mat)
if regularize:
optimized = np.copy(_init_emb_mat)
for i in range(len(_optimized)):
optimized[i] = _optimized[i] / np.linalg.norm(_optimized[i])
else:
optimized = _optimized
trained_emb = {}
for word in _word2idx:
trained_emb[word] = optimized[_word2idx[word]]
if self.verbose:
print('--After Optimization:')
evaluate(trained_emb, data_container.lexicon)
return trained_emb
def _batch_optimize(self,
batch_graph,
data_container,
alpha=0.5,
regularize=False):
_word2idx, _idx2word, _adjacency, _ = batch_graph
_emb_shape = data_container.emb_shape
_vocab_size = len(_word2idx)
_init_emb = data_container.init_emb
_init_emb_mat = self.build_init_emb_mat(shape=(_vocab_size,
_emb_shape[0]),
word2idx=_word2idx,
init_emb=_init_emb)
if self.verbose:
print('--Before Optimization:')
evaluate(data_container.init_emb, data_container.lexicon)
print('Starting Retrofit optimization with **alpha =', alpha, '** ...')
_num_iters = 15
_optimized = np.copy(_init_emb_mat)
_update = np.copy(_init_emb_mat)
for it in range(_num_iters):
for i in range(len(_optimized)):
_temp = alpha * np.dot(_adjacency[i], _optimized) \
+ (1 - alpha) * _init_emb_mat[i]
_update[i] = _temp / ((alpha * np.sum(_adjacency[i])) +
(1 - alpha))
_optimized = _update
if regularize:
optimized = np.copy(_init_emb_mat)
for i in range(len(_optimized)):
optimized[i] = _optimized[i] / np.linalg.norm(_optimized[i])
else:
optimized = _optimized
trained_emb = {}
for word in _word2idx:
trained_emb[word] = optimized[_word2idx[word]]
if self.verbose:
print('--After Optimization:')
evaluate(trained_emb, data_container.lexicon)
return trained_emb
def eval_(result_path='pytorch_result.mat'):
result = scipy.io.loadmat(result_path)
query_feature = torch.FloatTensor(result['query_f']).cuda()
query_cam = result['query_cam'][0]
query_label = result['query_label'][0]
gallery_feature = torch.FloatTensor(result['gallery_f']).cuda()
gallery_cam = result['gallery_cam'][0]
gallery_label = result['gallery_label'][0]
# print(query_feature.shape)
CMC = torch.IntTensor(len(gallery_label)).zero_()
ap = 0.0
for i in range(len(query_label)):
ap_tmp, CMC_tmp = evaluate(query_feature[i], query_label[i],
query_cam[i], gallery_feature,
gallery_label, gallery_cam)
if CMC_tmp[0] == -1:
continue
CMC = CMC + CMC_tmp
ap += ap_tmp
CMC = CMC.float() / len(query_label) #average CMC
res_string = 'Rank@1:%f Rank@5:%f Rank@10:%f mAP:%f' % (
CMC[0], CMC[4], CMC[9], ap / len(query_label))
print(res_string)
return {'acc': CMC, 'mAP': ap / len(query_label)}
def main():
print("Testing...")
# args parsing
args = get_arguments()
w, h = map(int, args.input_size.split(','))
args.input_size = (w, h)
w, h = map(int, args.gt_size.split(','))
args.gt_size = (w, h)
# create result dir
if not os.path.exists(args.result_dir):
os.makedirs(args.result_dir)
# load model
model = Deeplabv2(num_classes=args.num_classes, backbone=args.backbone)
saved_state_dict = torch.load(args.restore_from)
model.load_state_dict(saved_state_dict)
model.cuda(args.gpu_id)
pytorch_total_params = sum(p.numel() for p in model.parameters())
print("Number of parameters: " + str(pytorch_total_params))
# evaluate
tt = time.time()
_, avg_time = evaluate(args, args.gt_dir, args.gt_list, args.result_dir,
model)
print('Time used: {} sec'.format(time.time() - tt))
print(avg_time)
def individualKNNPrediction(similarityMatrix,
predictionMatrix,
kRange,
validOrTestMatrix,
itemBased=False):
"Declaration for kRange = range(50,120,10)"
#similarity = train(similarityMatrix)
MAP10 = {}
#Loop through the kvalues
for kValue in kRange:
if (itemBased == False):
user_item_prediction_score = predict(predictionMatrix,
kValue,
similarityMatrix,
item_similarity_en=False)
else:
user_item_prediction_score = predict(predictionMatrix,
kValue,
similarityMatrix,
item_similarity_en=True)
user_item_predict = prediction(user_item_prediction_score, 50,
predictionMatrix)
user_item_res = evaluate(user_item_predict, validOrTestMatrix)
MAP10[kValue] = user_item_res.get('MAP@10')
return MAP10
def train(dataset, x, y, rho, alpha, alpha_ban, lam2):
num_labels = y.shape[1]
S = cp.zeros((num_labels, num_labels))
kf = KFold(n_splits=5, random_state=1)
kf_metrics = []
for train_idx, test_idx in kf.split(x):
x_train = x[train_idx]
y_train = y[train_idx]
x_test = x[test_idx]
y_test = y[test_idx]
# get label correlation matrix
for j in range(num_labels):
y_j = cp.array(y_train[:, j].reshape(-1, 1))
y_not_j = cp.array(np.delete(y_train, j, axis=1))
S_j = ADMM(y_not_j, y_j, rho, alpha_ban)
S[j, :] = cp.array(np.insert(np.array(S_j.tolist()), j, 0))
# get caml parameter
G, A, gamma, b_T = CAMEL(S, x_train, y_train, alpha, lam2)
# evalue
test_output, test_predict = predict(G, A, gamma, x_train, x_test, b_T,
lam2)
y_test[y_test == -1] = 0
test_predict[test_predict == -1] = 0
metric = evaluate(y_test, np.array(test_output.tolist()),
np.array(test_predict.tolist()))
kf_metrics.append(metric)
evaluate_mean(kf_metrics)
def Evaluate(self, batches, eval_file=None, answer_file=None):
print('Start evaluate...')
with open(eval_file, 'r') as f:
eval_file = json.load(f)
answer_dict = {}
remapped_dict = {}
for batch in batches:
batch_data = self.prepare_data(batch)
und_passage_states, p_mask, und_ques_states, q_mask = self.encoding_forward(
batch_data)
logits1, logits2 = self.decoding_forward(und_passage_states,
p_mask, und_ques_states,
q_mask)
y1, y2 = self.get_predictions(logits1, logits2)
qa_id = batch_data['id']
answer_dict_, remapped_dict_ = self.convert_tokens(
eval_file, qa_id, y1, y2)
answer_dict.update(answer_dict_)
remapped_dict.update(remapped_dict_)
del und_passage_states, p_mask, und_ques_states, q_mask, y1, y2, answer_dict_, remapped_dict_
metrics = evaluate(eval_file, answer_dict)
with open(answer_file, 'w') as f:
json.dump(remapped_dict, f)
print("Exact Match: {}, F1: {}".format(metrics['exact_match'],
metrics['f1']))
return metrics['exact_match'], metrics['f1']
def train_image(dataset, x_train, y_train, x_test, y_test, rho, alpha,
alpha_ban, lam2):
train_log_path = '../train_log/' + dataset + '/'
log_name = time.strftime('%Y-%m-%d-%H:%M:%S', time.localtime(
time.time())) + '.log'
num_labels = y_train.shape[1]
S = cp.zeros((num_labels, num_labels))
# get label correlation matrix
for j in range(num_labels):
y_j = cp.array(y_train[:, j].reshape(-1, 1))
y_not_j = cp.array(np.delete(y_train, j, axis=1))
S_j = ADMM(y_not_j, y_j, rho, alpha_ban)
S[:, j] = cp.array(np.insert(np.array(S_j.tolist()), j, 0))
# get caml parameter
G, A, gamma, b_T = CAMEL(S, x_train, y_train, alpha, lam2)
# evalue
output, test_predict = predict(G, A, gamma, x_train, x_test, b_T, lam2)
test_predict[test_predict == -1] = 0
y_test[y_test == -1] = 0
metrics = evaluate(y_test, np.array(output.tolist()),
np.array(test_predict.tolist()))
print(metrics)
def run_evaluate(self, sess, val_set, lr_schedule=None, path_results=None):
"""
Performs an epoch of evaluation
Args:
sess: (tf.Session)
val_set: Dataset instance
lr_schedule: (instance of Lr schedule) optional
path_results: (string) where to write the results
Returns:
bleu score:
exact match score:
"""
vocab = load_vocab(self.config.path_vocab)
rev_vocab = {idx: word for word, idx in vocab.iteritems()}
references, hypotheses = [], []
n_words, ce_words = 0, 0 # for perplexity, sum of ce for all words + nb of words
for img, formula in minibatches(val_set, self.config.batch_size):
fd = self.get_feed_dict(img, training=False, formula=formula, dropout=1)
ce_words_eval, n_words_eval, ids_eval = sess.run(
[self.ce_words, self.n_words, self.pred_test.ids], feed_dict=fd)
if self.config.decoding == "greedy":
ids_eval = np.expand_dims(ids_eval, axis=1)
elif self.config.decoding == "beam_search":
ids_eval = np.transpose(ids_eval, [0, 2, 1])
n_words += n_words_eval
ce_words += ce_words_eval
for form, pred in zip(formula, ids_eval):
# pred is of shape (number of hypotheses, time)
references.append([form])
hypotheses.append(pred)
if path_results is None:
path_results = self.config.path_results
scores = evaluate(references, hypotheses, rev_vocab,
path_results, self.config.id_END)
ce_mean = ce_words / float(n_words)
scores["perplexity"] = np.exp(ce_mean)
if lr_schedule is not None:
lr_schedule.update(score=scores["perplexity"])
return scores
def evaluate(self, filename):
image_path = os.path.expanduser(
os.path.join('~', 'oxdnn', 'temp', filename))
logger.info('Received evaluation request for {}'.format(image_path))
evaluation = evaluate(image_path, model, return_image=True)
plt.imsave(
# overwrite original
image_path,
evaluation['image'])
logger.info('Saved annotated image at {}'.format(image_path))
return {'outimage': image_path, 'classes': evaluation['classes']}
def KNNPrediction(similarityMatrix,
predictionMatrix,
kValue,
validOrTestMatrix,
itemBased=False):
if (itemBased == False):
user_item_prediction_score = predict(predictionMatrix,
kValue,
similarityMatrix,
item_similarity_en=False)
else:
user_item_prediction_score = predict(predictionMatrix,
kValue,
similarityMatrix,
item_similarity_en=True)
user_item_predict = prediction(user_item_prediction_score, 50,
predictionMatrix)
user_item_res = evaluate(user_item_predict, validOrTestMatrix)
return user_item_res.get('MAP@10')
def test_model(folder: str, trainer, model, normal, dataloaders, device):
save_path = os.path.join(folder, 'best_model.pkl')
save_dict = torch.load(save_path)
# model.load_state_dict(save_dict['model_state_dict'])
# model.eval()
steps, predictions, running_targets = 0, list(), list()
tqdm_loader = tqdm(enumerate(dataloaders['test']))
for step, (inputs, targets) in tqdm_loader:
running_targets.append(targets.numpy())
with torch.no_grad():
inputs = inputs.to(device)
targets = targets.to(device)
outputs, loss = trainer.train(inputs, targets, 'test')
predictions.append(outputs.cpu().numpy())
running_targets, predictions = np.concatenate(
running_targets, axis=0), np.concatenate(predictions, axis=0)
scores = evaluate(running_targets, predictions, normal)
print('test results:')
print(json.dumps(scores, cls=MyEncoder, indent=4))
with open(os.path.join(folder, 'test-scores.json'), 'w+') as f:
json.dump(scores, f, cls=MyEncoder, indent=4)
if trainer.model.graph0 is not None:
np.save(os.path.join(folder, 'graph0'),
trainer.model.graph0.detach().cpu().numpy())
np.save(os.path.join(folder, 'graph1'),
trainer.model.graph1.detach().cpu().numpy())
np.save(os.path.join(folder, 'graph2'),
trainer.model.graph2.detach().cpu().numpy())
np.savez(os.path.join(folder, 'test-results.npz'),
predictions=predictions,
targets=running_targets)
def evaluate(self):
self.load_evaluating_data()
self.model.eval()
all_results = []
logging.info("Start evaluating")
for input_ids, segment_ids, input_mask, example_indices, _, _ in tqdm(
self.eval_dataloader, desc="Evaluating", ascii=True,
ncols=100):
input_ids = input_ids.to(self.device)
segment_ids = segment_ids.to(self.device)
input_mask = input_mask.to(self.device)
with torch.no_grad():
batch_start_logits, batch_end_logits = self.model(
input_ids, segment_ids, input_mask)
for i, example_index in enumerate(example_indices):
start_logits = batch_start_logits[i].detach().cpu().tolist()
end_logits = batch_end_logits[i].detach().cpu().tolist()
eval_feature = self.eval_features[example_index.item()]
unique_id = int(eval_feature.unique_id)
all_results.append(
RawResult(unique_id=unique_id,
start_logits=start_logits,
end_logits=end_logits))
if not os.path.exists(self.args.output_dir):
os.makedirs(self.args.output_dir)
output_prediction_file = os.path.join(self.args.output_dir,
"predictions_eval.json")
write_predictions(self.eval_examples, self.eval_features, all_results,
self.args.n_best_size, self.args.max_answer_length,
output_prediction_file, self.args.verbose_logging)
with open(os.path.splitext(self.args.eval_file)[0] +
'.json') as dataset_file:
dataset = json.load(dataset_file)['data']
with open(output_prediction_file) as prediction_file:
predictions = json.load(prediction_file)
logging.info(json.dumps(evaluate(dataset, predictions)))
callbacks = []
callbacks.append(
EarlyStopping('val_loss',
patience=patience,
verbose=0,
mode='auto',
restore_best_weights=True))
new_iter_path = Path(args.out_path, str(iter + 1))
if not new_iter_path.exists():
new_iter_path.mkdir()
model, history = train(model,
train_path_patches.parent,
args.val_path,
new_iter_path,
batch_size=batch_size,
patch_size=patch_size,
callbacks=callbacks)
if args.test_path and Path(args.test_path).exists():
test_path = Path(args.test_path)
predict_bayes(model,
Path(test_path, 'images'),
Path(new_iter_path, 'eval'),
batch_size=batch_size,
patch_size=patch_size,
cutoff=cutoff)
evaluate(Path(test_path, 'masks'), Path(new_iter_path, 'eval'))
img_path = Path(iter_path, 'unlabeled')
iter_path = new_iter_path
start_time = time.time()
loss, global_step, lr = model.train_one_batch(*zip(*batch))
step_time += (time.time() - start_time)
checkpoint_loss += loss
if global_step % stats_per_step == 0:
print(
"# epoch - {3}, global step - {0}, step time - {1}, loss - {2}, lr - {4}"
.format(global_step, step_time / stats_per_step,
checkpoint_loss / stats_per_step, epoch, lr))
checkpoint_loss = 0.0
step_time = 0.0
if global_step % (5 * stats_per_eval) == 0:
print("Eval train data")
train_f1 = evaluate(model, "train", train_data_batch,
word_vocab, tag_vocab)
if global_step % stats_per_eval == 0 or global_step == config.num_train_steps:
words, length, segments, target = batch[0]
decode, _ = model.inference([words], [length], [segments])
print("Sentence:")
print(" ".join(word_vocab[w] for w in words[:length]))
print("Gold:")
print(" ".join([tag_vocab[t] for t in target[:length]]))
print("Predict:")
print(" ".join([tag_vocab[p] for p in decode[0][:length]]))
print("Eval dev data")
dev_f1 = evaluate(model, "dev", dev_data_batch, word_vocab,
tag_vocab)
preprocessor=preprocessor,
second_stage=True)
# predict 1st Stage
if not args.no_predict:
print("2nd stage prediction")
predict(model_1st,
Path(test_path, 'images'),
Path(out_path, '1stStage'),
batch_size=batch_size,
patch_size=patch_size,
preprocessor=preprocessor,
cutoff=cutoff_1st,
mc_iterations=args.mc_iterations)
if not args.no_evaluate:
evaluate.evaluate(Path(test_path, 'masks'),
Path(out_path, '1stStage'))
# predict 2ndStage
predict(model,
Path(test_path, 'images'),
out_path,
uncert_path=Path(out_path, '1stStage/uncertainty'),
batch_size=batch_size,
patch_size=patch_size,
preprocessor=preprocessor,
cutoff=cutoff,
mc_iterations=args.mc_iterations)
if not args.no_evaluate:
evaluate.evaluate(Path(test_path, 'masks'), out_path)
# single stage mode
def searchThreshold(domain, model_pb, threshold_dir,
test_file, tag_file, vocab_file):
"""
用划分好的测试集取搜索最优的阈值，精度0.1,再低会过拟合，最好使用交叉验证来做
由于交叉验证bert代价很大，就没做
:param domain: 数据集类别，divorce、labor、loan
:param model_pb: pb模型文件
:param threshold_dir: 阈值搜索结果json文件存放地址
:param test_file: 用来搜索阈值的测试文件
:param tag_file: 标签tags文件
:param vocab_file: bert模型词典文件
:return: 将搜索的阈值存入threshold_dir，命名为threshold.json
将搜索过程记录在search.json
"""
thresholds = []
for i in range(1, 10):
thresholds.append(round(i * 0.1, 1))
all_sentences, all_labels = load_file(test_file)
logging.info("———— 开始加载模型 ————\n")
model = BERTModel(task=domain, pb_model=model_pb, tagDir=tag_file, threshold=None, vocab_file=vocab_file)
logging.info("———— 模型加载结束 ————\n")
logging.info("———— 开始生成预测概率metric ————\n")
probas = model.getProbs(all_sentences)
logging.info("———— 预测概率metric生成结束 ————\n")
result = {}
result["domain"] = domain
result["label_score"] = []
logging.info("———— 开始搜索 %s 的最优阈值 ————\n" % domain)
best_threshold = [0.5] * 20
threshold_init = [0.5] * 20
for i in range(20):
best_score = 0
label_result = {}
scoreOfthreshold = {}
label_result["label"] = i
for j in range(len(best_threshold)):
threshold_init[j] = best_threshold[j]
##遍历一开始初始化的候选阈值列表，0.1--0.9的九个候选阈值
for threshold in thresholds:
threshold_init[i] = threshold
predicts = getPreLab(probas, model.id2label, threshold_init)
score, f1 = evaluate(predict_labels=predicts, target_labels=all_labels, tag_dir=tag_file)
scoreOfthreshold[threshold] = score
if score > best_score:
best_threshold[i] = threshold
best_score = score
label_result["score"] = scoreOfthreshold
result["label_score"].append(label_result)
logging.info(best_threshold)
logging.info(label_result)
logging.info("\n")
result["best_threshold"] = best_threshold
logging.info("搜索出来的阈值： %s \n" % best_threshold)
logging.info("————开始将结果写入文件————\n")
if not os.path.exists(threshold_dir):
os.makedirs(threshold_dir)
threshold_file = os.path.join(threshold_dir, "threshold.json")
search_file = os.path.join(threshold_dir, "search.json")
ouf_t = open(threshold_file, "w", encoding="utf-8")
ouf_s = open(search_file, "w", encoding="utf-8")
json.dump(best_threshold, ouf_t, ensure_ascii=False)
json.dump(result, ouf_s, ensure_ascii=False)
ouf_s.close()
ouf_t.close()
def predict(ACTIVATION='ReLU',
dropout=0.1,
batch_size=32,
repeat=4,
minimum_kernel=32,
epochs=200,
iteration=3,
crop_size=128,
stride_size=3,
DATASET='DRIVE'):
prepare_dataset.prepareDataset(DATASET)
test_data = [
prepare_dataset.getTestData(0, DATASET),
prepare_dataset.getTestData(1, DATASET),
prepare_dataset.getTestData(2, DATASET)
]
IMAGE_SIZE = None
if DATASET == 'DRIVE':
IMAGE_SIZE = (565, 584)
elif DATASET == 'CHASEDB1':
IMAGE_SIZE = (999, 960)
elif DATASET == 'STARE':
IMAGE_SIZE = (700, 605)
gt_list_out = {}
pred_list_out = {}
for out_id in range(iteration + 1):
try:
os.makedirs(
f"./output/{DATASET}/crop_size_{crop_size}/out{out_id + 1}/",
exist_ok=True)
gt_list_out.update({f"out{out_id + 1}": []})
pred_list_out.update({f"out{out_id + 1}": []})
except:
pass
activation = globals()[ACTIVATION]
model = define_model.get_unet(minimum_kernel=minimum_kernel,
do=dropout,
activation=activation,
iteration=iteration)
model_name = f"Final_Emer_Iteration_{iteration}_cropsize_{crop_size}_epochs_{epochs}"
print("Model : %s" % model_name)
load_path = f"trained_model/{DATASET}/{model_name}.hdf5"
model.load_weights(load_path, by_name=False)
imgs = test_data[0]
segs = test_data[1]
masks = test_data[2]
for i in tqdm(range(len(imgs))):
img = imgs[i]
seg = segs[i]
if masks:
mask = masks[i]
patches_pred, new_height, new_width, adjustImg = crop_prediction.get_test_patches(
img, crop_size, stride_size)
preds = model.predict(patches_pred)
out_id = 0
for pred in preds:
pred_patches = crop_prediction.pred_to_patches(
pred, crop_size, stride_size)
pred_imgs = crop_prediction.recompone_overlap(
pred_patches, crop_size, stride_size, new_height, new_width)
pred_imgs = pred_imgs[:, 0:prepare_dataset.DESIRED_DATA_SHAPE[0],
0:prepare_dataset.DESIRED_DATA_SHAPE[0], :]
probResult = pred_imgs[0, :, :, 0]
pred_ = probResult
with open(
f"./output/{DATASET}/crop_size_{crop_size}/out{out_id + 1}/{i + 1:02}.pickle",
'wb') as handle:
pickle.dump(pred_, handle, protocol=pickle.HIGHEST_PROTOCOL)
pred_ = resize(pred_, IMAGE_SIZE[::-1])
if masks:
mask_ = mask
mask_ = resize(mask_, IMAGE_SIZE[::-1])
seg_ = seg
seg_ = resize(seg_, IMAGE_SIZE[::-1])
gt_ = (seg_ > 0.5).astype(int)
gt_flat = []
pred_flat = []
for p in range(pred_.shape[0]):
for q in range(pred_.shape[1]):
if not masks or mask_[
p, q] > 0.5: # Inside the mask pixels only
gt_flat.append(gt_[p, q])
pred_flat.append(pred_[p, q])
gt_list_out[f"out{out_id + 1}"] += gt_flat
pred_list_out[f"out{out_id + 1}"] += pred_flat
pred_ = 255. * (pred_ - np.min(pred_)) / (np.max(pred_) -
np.min(pred_))
cv2.imwrite(
f"./output/{DATASET}/crop_size_{crop_size}/out{out_id + 1}/{i + 1:02}.png",
pred_)
out_id += 1
for out_id in range(iteration + 1)[-1:]:
print('\n\n', f"out{out_id + 1}")
evaluate(gt_list_out[f"out{out_id + 1}"],
pred_list_out[f"out{out_id + 1}"], DATASET)
def main():
print(args)
# =====extract data and build network=====
if args.interpolated == "interpolated":
traj_filename = "data/expert_trajs/{0}/{1}/traj_interpolated.pkl".format(
args.memo, args.scenario)
elif args.interpolated == "sparse":
traj_filename = "data/expert_trajs/{0}/{1}/traj_sparse.pkl".format(
args.memo, args.scenario)
else:
traj_filename = "data/expert_trajs/{0}/{1}/traj_sample.pkl".format(
args.memo, args.scenario)
print("Loading {}".format(traj_filename))
traj_exp_df = pd.read_pickle(traj_filename)
# list_x_name = ['interval', 'speed', 'pos_in_lane', 'lane_max_speed', 'if_exit_lane', 'dist_to_signal', 'phase',
# 'if_leader', 'leader_speed', 'dist_to_leader']
list_x_name = ['speed', 'if_leader', 'leader_speed', 'dist_to_leader']
list_y_name = ['action']
x_array = traj_exp_df[list_x_name].values
y_array = traj_exp_df[list_y_name].values
x = torch.from_numpy(x_array.astype(np.float))
y = torch.from_numpy(y_array.astype(np.float))
full_dataset = TensorDataset(x, y)
dataloaders = {}
dataloaders['train'] = DataLoader(dataset=full_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=0)
# build policy network
net = FCNetwork(len(list_x_name), len(list_y_name), args.hidden_size)
criterion = nn.MSELoss()
optimizer = optim.Adam(net.parameters(), args.lr)
# =====training=====
model_train(args, dataloaders, optimizer, net, criterion)
# =====testing=====
# load trained policy network
print('Testing...')
print("Loading model {}".format(
os.path.join(args.data_dir, args.memo, args.scenario,
args.model_name)))
net = torch.load(
os.path.join(args.data_dir, args.memo, args.scenario, args.model_name))
net.eval()
gen_traj_with_policy(args, policy_model=net)
print('Calculating RMSE...')
path_to_len_lane = "data/{0}/roadnet_len.json".format(args.scenario)
f = open(path_to_len_lane, encoding='utf-8')
len_lane = json.load(f)
evaluate(path_exp_traj="data/expert_trajs/{0}/{1}/traj_raw.pkl".format(
args.memo, args.scenario),
path_lrn_traj=os.path.join(args.data_dir, args.memo,
args.scenario, 'traj_lrn_raw.pkl'),
len_lane=len_lane,
max_episode_len=args.max_episode_len)
evaluate(path_exp_traj="data/expert_trajs/{0}/{1}/traj_sparse.pkl".format(
args.memo, args.scenario),
path_lrn_traj=os.path.join(args.data_dir, args.memo,
args.scenario, 'traj_lrn_raw.pkl'),
len_lane=len_lane,
max_episode_len=args.max_episode_len,
sparse=True)
print('Done!')
def AlgoTrainPredict(name,
algorithm,
algo_particuliers,
X_train,
X_test,
y_test,
config,
scale="MinMax",
var1=10,
var2=20):
if (name == "KNN") | (name == "ABOD") | (name == "HBOS"):
algorithm.fit(X_train)
y_pred = algorithm.predict(X_test)
y_pred[y_pred == 0] = -1 #normal
print('---------' + name + '-----------')
eval_ = evaluate(y_test, y_pred)
print(eval_)
evaluation_detection(X_test, y_test, y_pred, var1, var2)
if name == "Local Outlier Factor":
algorithm.fit(X_train)
y_pred = algorithm.fit_predict(X_test)
y_pred = y_pred * -1 #outlier = 1
print('---------' + name + '-----------')
eval_ = evaluate(y_test, y_pred)
print(eval_)
evaluation_detection(X_test, y_test, y_pred, var1, var2)
if name == "Deep MLP":
# scale data here
if scale == "StandardScaler":
scaler = StandardScaler()
else:
scaler = MinMaxScaler()
X_train_scaled = scaler.fit_transform(X_train)
X_test_scaled = scaler.transform(X_test)
algorithm.fit(X_train_scaled,
X_train_scaled,
epochs=config["nb_epoch"],
batch_size=config["batch_size"],
shuffle=True,
validation_split=0.33,
verbose=0)
y_pred = deep_predict(algorithm, X_test_scaled, config["outlier_prop"],
y_test) #outlier = 1
y_pred = y_pred * -1
print('---------' + name + '-----------')
eval_ = evaluate(y_test, y_pred)
print(eval_)
evaluation_detection(X_test_scaled, y_test, y_pred, var1, var2)
if name == "Robust covariance":
print("EllipticEnvelope")
algorithm.fit(X_train)
y_pred = -algorithm.predict(X_test) #outlier = 1
if np.sum(y_pred == -1) < np.sum(y_pred == 1):
print("adjust outlier definition")
y_pred = -y_pred
print('---------' + name + '-----------')
eval_ = evaluate(y_test, y_pred)
print(eval_)
evaluation_detection(X_test, y_test, y_pred, var1, var2)
if name not in algo_particuliers:
algorithm.fit(X_train)
y_pred = -algorithm.predict(X_test) #outlier = 1
print('---------' + name + '-----------')
eval_ = evaluate(y_test, y_pred)
print(eval_)
evaluation_detection(X_test, y_test, y_pred, var1, var2)
return y_pred, eval_
def hcoh(train_data,
train_targets,
query_data,
query_targets,
database_data,
database_targets,
code_length,
lr,
num_hadamard,
device,
topk,
):
"""HCOH algorithm
Parameters
train_data: Tensor
Training data
train_targets: Tensor
Training targets
query_data: Tensor
Query data
query_targets: Tensor
Query targets
Database_data: Tensor
Database data
Database_targets: Tensor
Database targets
code_length: int
Hash code length
lr: float
Learning rate
num_hadamard: int
Number of hadamard codebook columns
device: str
Using cpu or gpu
topk: int
Compute mAP using top k retrieval result
Returns
meanAP: float
mean Average precision
"""
# Construct hadamard codebook
hadamard_codebook = torch.from_numpy(hadamard(num_hadamard)).float().to(device)
hadamard_codebook = hadamard_codebook[torch.randperm(num_hadamard), :]
# Initialize
num_train, num_features = train_data.shape
W = torch.randn(num_features, code_length).to(device)
# Matrix normalazation
W = W / torch.diag(torch.sqrt(W.t() @ W)).t().expand(num_features, code_length)
if code_length == num_hadamard:
W_prime = torch.eye(num_hadamard).to(device)
else:
W_prime = torch.randn(num_hadamard, code_length).to(device)
W_prime = W_prime / torch.diag(torch.sqrt(W_prime.t() @ W_prime)).t().expand(num_hadamard, code_length)
# Train
for i in range(train_data.shape[0]):
data = train_data[i, :].reshape(1, -1)
lsh_x = (hadamard_codebook[train_targets[i], :].view(1, -1) @ W_prime).sign()
tanh_x = torch.tanh(data @ W)
dW = data.t() @ ((tanh_x - lsh_x) * (1 - tanh_x * tanh_x))
W = W - lr * dW
# Evaluate
# Generate hash code
query_code = generate_code(query_data, W)
database_code = generate_code(database_data, W)
# Compute map
mAP, precision = evaluate(
query_code,
database_code,
query_targets,
database_targets,
device,
topk,
)
return mAP, precision
def generate_result(evaluating=False, use_n_subjects='pred', senti_url=None):
""" generate result
Args:
evaluating: evaluating use preliminary data
use_n_subjects: use n_subjects info, 'gold', 'pred' or 'one'
url to sentiment result
"""
train_url = from_project_root("data/train_2_ex.csv")
test_url = from_project_root("data/test_public_2v3_ex.csv")
senti = None
if evaluating:
train_url = from_project_root("data/preliminary/train_ex.csv")
test_url = from_project_root("data/preliminary/test_gold_ex.csv")
senti = joblib.load(senti_url) if senti_url else None
X, y, X_test = generate_vectors(train_url,
test_url,
column='article',
max_n=3,
min_df=3,
max_df=0.8,
max_features=20000,
trans_type='hashing',
sublinear_tf=True,
balanced=True,
multilabel_out=False,
label_col='subjects',
only_single=True,
shuffle=True)
X, y, X_test = joblib.load(
from_project_root('data/vector/stacked_one_XyX_val_32_subjects.pk'))
clf = LinearSVC()
clf.fit(X, y)
# pred, probas = clf.predict(X_test), predict_proba(clf, X_test)
pred, probas = gen_10bi_result(train_url,
test_url,
validating=True,
evaluating=True)
# pred, probas = gen_multi_result(X, y, X_test)
result_df = pd.DataFrame(
columns=["content_id", "subject", "sentiment_value", "sentiment_word"])
cids = pd.read_csv(test_url, usecols=['content_id']).values.ravel()
for i, cid in enumerate(cids):
k = 1
if use_n_subjects == 'gold':
cid_list = pd.read_csv(
from_project_root(
'data/submit_example_2.csv'))['content_id'].tolist()
k = cid_list.count(cid)
elif use_n_subjects == 'pred':
k = max(1, pred[i].sum())
for j in probas[i].argsort()[-k:]:
senti_val = 0 if senti is None else senti[i]
result_df = result_df.append(
{
'content_id': cid,
'subject': id2sub(j),
'sentiment_value': senti_val
},
ignore_index=True)
save_url = from_project_root('data/result/tmp.csv')
result_df.to_csv(save_url, index=False)
if evaluating:
y_true = pd.read_csv(test_url, usecols=list(map(str,
range(10)))).values < 2
calc_metrics(y_true, pred, probas)
print("metrics on %s subjects: " % use_n_subjects)
evaluate(save_url, use_senti=False)
evaluate(save_url, use_senti=True)
def DCMF(g1,g2,original_to_new,layer=3,q=0.2,alpha=5,c=0.5):
Node1 = nx.number_of_nodes(g1)
Node2 = nx.number_of_nodes(g2)
attribute = None
adj1 = nx.to_numpy_array(g1, nodelist=list(range(Node1)))
adj2 = nx.to_numpy_array(g2, nodelist=list(range(Node2)))
G1_degree_dict = cal_degree_dict(list(g1.nodes()), g1, layer)
G2_degree_dict = cal_degree_dict(list(g2.nodes()), g2, layer)
struc_neighbor1, struc_neighbor2, struc_neighbor_sim1, struc_neighbor_sim2, \
struc_neighbor_sim1_score, struc_neighbor_sim2_score = \
structing(layer, g1, g2, G1_degree_dict, G2_degree_dict, attribute, alpha, c, 10)
# 构造转移矩阵
P_TRANS1 = np.zeros((Node1 + Node2, Node1 + Node2))
P_TRANS2 = np.zeros((Node1 + Node2, Node1 + Node2))
D1 = np.sum(adj1, axis=1).reshape(-1, 1)
D2 = np.sum(adj2, axis=1).reshape(-1, 1)
adj1_hat = adj1 / D1
adj2_hat = adj2 / D2
for edge in g1.edges():
P_TRANS1[edge[0], edge[1]] = adj1_hat[edge[0], edge[1]]
P_TRANS1[edge[1], edge[0]] = adj1_hat[edge[1], edge[0]]
for edge in g2.edges():
P_TRANS1[edge[0] + Node1, edge[1] + Node1] = adj2_hat[edge[0], edge[1]]
P_TRANS1[edge[1] + Node1, edge[0] + Node1] = adj2_hat[edge[1], edge[0]]
for key in struc_neighbor_sim1.keys():
for index, neighbor in enumerate(struc_neighbor1[key]):
P_TRANS2[key, neighbor + Node1] = struc_neighbor_sim1[key][index]
for key in struc_neighbor_sim2.keys():
for index, neighbor in enumerate(struc_neighbor2[key]):
P_TRANS2[key + Node1, neighbor] = struc_neighbor_sim2[key][index]
cross_switch_alpha = np.zeros_like(P_TRANS2)
for key in struc_neighbor_sim1.keys():
if struc_neighbor_sim1[key][0] - struc_neighbor_sim1[key][1] >= 0.15:
new_q = min(struc_neighbor_sim1[key][0] + q, 1)
else:
new_q = q
cross_switch_alpha[key, :Node1] = 1 - new_q
cross_switch_alpha[key, Node1:] = new_q
for key in struc_neighbor_sim2.keys():
if struc_neighbor_sim2[key][0] - struc_neighbor_sim2[key][1] >= 0.15:
new_q = min(struc_neighbor_sim2[key][0] + q, 1)
else:
new_q = q
cross_switch_alpha[key + Node1, :Node1] = new_q
cross_switch_alpha[key + Node1, Node1:] = 1 - new_q
P_TRANS = (P_TRANS1 + P_TRANS2) * cross_switch_alpha
#
P_TRANS = np.maximum(P_TRANS, P_TRANS.T)
# P_TRANS = (P_TRANS + P_TRANS.T)/2.0
P_TRANS = P_TRANS / np.sum(P_TRANS, axis=1, keepdims=True)
# 计算平稳分布：
tmp = (P_TRANS.sum(axis=0) / np.sum(P_TRANS)).tolist()
D_R = np.zeros_like(P_TRANS)
Node = Node1 + Node2
# 初始采样概率，应该按照
for i in range(len(tmp)):
D_R[i, i] = 1 / tmp[i]
# windows sizw小于5
M = get_random_walk_matrix(P_TRANS, D_R, 20, 5)
print("M计算完成")
# 对于cora
res = svd_deepwalk_matrix(M, dim=64)
print("得到向量")
e1, e2 = split_embedding(res, Node1)
sim = cosine_similarity(e1, e2)
acc = evaluate(sim, ans_dict=original_to_new)
print(acc)
def _evaluate(eval_fn, input_fn, path, config, save_path):
graph = tf.Graph()
with graph.as_default():
features = input_fn()
prediction = eval_fn(features)
results = {
'prediction': prediction,
'input_img': features['input_img'],
'lens': features['lens'],
'cnts': features['cnts'],
'care': features['care']
}
sess_creator = tf.train.ChiefSessionCreator(checkpoint_dir=path,
config=config)
recall_sum, gt_n_sum, precise_sum, pred_n_sum = 0, 0, 0, 0
with tf.train.MonitoredSession(session_creator=sess_creator) as sess:
tf.logging.info('start evaluation')
time = 0
while not sess.should_stop():
time += 1
print('time', time)
outputs = sess.run(results)
img = outputs['input_img']
prediction = outputs['prediction']
lens = outputs['lens']
cnts = outputs['cnts']
cnts = [(x / 2).astype(np.int32) for x in cnts]
cnts = _depad(cnts, lens)
care = outputs['care']
# imname = outputs['imname']
# print(imname)
for i in range(img.shape[0]):
re_cnts = reconstruct(img[i], prediction[i])
TR, TP, T_gt_n, T_pred_n, PR, PP, P_gt_n, P_pred_n = \
evaluate(img[i],cnts,re_cnts,care)
tf.logging.info(' recall: ' + str(TR) + '; precise: ' +
str(TP))
recall_sum += TR * T_gt_n
precise_sum += TP * T_pred_n
gt_n_sum += T_gt_n
pred_n_sum += T_pred_n
height, width = prediction.shape[1], prediction.shape[2]
imgoutput = np.zeros(shape=(height * 2, width * 2, 3),
dtype=np.uint8)
imgoutput[0:height, width:width * 2, :] = cv2.resize(
img[0], (width, height))
imgoutput[height:height * 2, width:width *
2, :] = (_softmax(prediction[i, :, :, 0:2]) *
255).astype(np.uint8)
cv2.drawContours(imgoutput, cnts, -1, (0, 0, 255))
cv2.drawContours(imgoutput, re_cnts, -1, (0, 255, 0))
cv2.imwrite(
os.path.join(save_path,
'output_{:03d}.png'.format(time)),
imgoutput)
if int(gt_n_sum) != 0:
ave_r = recall_sum / gt_n_sum
else:
ave_r = 0.0
if int(pred_n_sum) != 0:
ave_p = precise_sum / pred_n_sum
else:
ave_p = 0.0
if ave_r != 0.0 and ave_p != 0.0:
ave_f = 2 / (1 / ave_r + 1 / ave_p)
else:
ave_f = 0.0
tf.logging.info('ave recall:{}, precise:{}, f:{}'.format(
ave_r, ave_p, ave_f))
tf.logging.info('end evaluation')
return ave_f
def main():
"""Create the model and start the training."""
print("NUMBER OF CLASSES: ", str(args.num_classes))
w, h = map(int, args.input_size.split(','))
args.input_size = (w, h)
w, h = map(int, args.crop_size.split(','))
args.crop_size = (h, w)
w, h = map(int, args.gt_size.split(','))
args.gt_size = (w, h)
cudnn.enabled = True
cudnn.benchmark = True
# create result dir
if not os.path.exists(args.result_dir):
os.makedirs(args.result_dir)
str_ids = args.gpu_ids.split(',')
gpu_ids = []
for str_id in str_ids:
gid = int(str_id)
if gid >=0:
gpu_ids.append(gid)
num_gpu = len(gpu_ids)
args.multi_gpu = False
if num_gpu>1:
args.multi_gpu = True
Trainer = AD_Trainer(args)
else:
Trainer = AD_Trainer(args)
TARGET_IMG_MEAN = np.array((104.00698793,116.66876762,122.67891434), dtype=np.float32)
trainloader = data.DataLoader(
cityscapesDataSet(args.data_dir, args.data_list,
max_iters=args.num_steps * args.batch_size,
resize_size=args.input_size,
crop_size=args.crop_size,
set=args.set, scale=False, mirror=args.random_mirror, mean=TARGET_IMG_MEAN, autoaug = args.autoaug_target, source_domain=args.source_domain),
batch_size=args.batch_size, shuffle=True, num_workers=args.num_workers, pin_memory=True, drop_last=True)
trainloader_iter = enumerate(trainloader)
'''
trainloader = data.DataLoader(
gta5DataSet(args.data_dir, args.data_list,
max_iters=args.num_steps * args.batch_size,
resize_size=args.input_size,
crop_size=args.crop_size,
scale=True, mirror=True, mean=TARGET_IMG_MEAN, autoaug = args.autoaug),
batch_size=args.batch_size, shuffle=True, num_workers=args.num_workers, pin_memory=True, drop_last=True)
trainloader_iter = enumerate(trainloader)
trainloader = data.DataLoader(
synthiaDataSet(args.data_dir, args.data_list,
max_iters=args.num_steps * args.batch_size,
resize_size=args.input_size,
crop_size=args.crop_size,
scale=True, mirror=True, mean=TARGET_IMG_MEAN, autoaug = args.autoaug),
batch_size=args.batch_size, shuffle=True, num_workers=args.num_workers, pin_memory=True, drop_last=True)
trainloader_iter = enumerate(trainloader)'''
# set up tensor board
if args.tensorboard:
args.log_dir += '/'+ os.path.basename(args.snapshot_dir)
if not os.path.exists(args.log_dir):
os.makedirs(args.log_dir)
writer = SummaryWriter(args.log_dir)
# load mIOU
best_mIoUs = args.mIOU
for i_iter in range(args.num_steps):
loss_seg_value = 0
adjust_learning_rate(Trainer.gen_opt , i_iter, args)
_, batch = trainloader_iter.__next__()
images, labels, _, _ = batch
images = images.cuda()
labels = labels.long().cuda()
with Timer("Elapsed time in update: %f"):
loss_seg = Trainer.gen_update(images, labels, i_iter)
loss_seg_value += loss_seg.item()
if args.tensorboard:
scalar_info = {
'loss_seg': loss_seg_value
}
if i_iter % 100 == 0:
for key, val in scalar_info.items():
writer.add_scalar(key, val, i_iter)
print('\033[1m iter = %8d/%8d \033[0m loss_seg = %.3f' %(i_iter, args.num_steps, loss_seg_value))
del loss_seg
if i_iter % args.save_pred_every == 0 and i_iter != 0:
mIoUs, _ = evaluate(args, args.gt_dir, args.gt_list, args.result_dir, Trainer.G)
writer.add_scalar('mIOU', round(np.nanmean(mIoUs)*100, 2), int(i_iter/args.save_pred_every)) # (TB)
if round(np.nanmean(mIoUs) * 100, 2) > best_mIoUs:
print('save model ...')
best_mIoUs = round(np.nanmean(mIoUs) * 100, 2)
torch.save(Trainer.G.state_dict(), osp.join(args.snapshot_dir, 'supervised_seg_' + str(i_iter) + '.pth'))
if args.tensorboard:
writer.close()
def train_net(args):
# Configure models and load data
avg_best, cnt, acc = 0.0, 0, 0.0
train, dev, test, test_special, lang, SLOTS_LIST, gating_dict, max_word = prepare_data_seq(
True, False, batch_size=args.batch_size)
# Load model
model = TRADE(hidden_size=args.hidden_size,
lang=lang,
lr=args.lr,
dropout=args.dropout,
slots=SLOTS_LIST,
gating_dict=gating_dict).to(args.device)
# Configure criterion, optimizer, scheduler
criterion = masked_cross_entropy_for_value
criterion_gate = nn.CrossEntropyLoss()
optimizer = optim.Adam(model.parameters(), lr=args.lr)
scheduler = lr_scheduler.ReduceLROnPlateau(optimizer,
mode='max',
factor=0.5,
patience=1,
min_lr=0.0001,
verbose=True)
# print("[Info] Slots include ", SLOTS_LIST)
# print("[Info] Unpointable Slots include ", gating_dict)
for epoch in range(200):
model.train()
print("Epoch:{}".format(epoch))
# Run the train function
pbar = tqdm(enumerate(train), total=len(train))
for i, data in pbar:
optimizer.zero_grad()
# Encode and Decode
use_teacher_forcing = random.random() < args.teacher_forcing_ratio
all_point_outputs, gates, words_point_out, words_class_out = model(
data, use_teacher_forcing, SLOTS_LIST[1])
loss_ptr = criterion(
all_point_outputs.transpose(0, 1).contiguous(),
data["generate_y"].contiguous(
), # [:,:len(self.point_slots)].contiguous(),
data["y_lengths"]) # [:,:len(self.point_slots)])
loss_gate = criterion_gate(
gates.transpose(0, 1).contiguous().view(-1, gates.size(-1)),
data["gating_label"].contiguous().view(-1))
loss = loss_ptr + loss_gate
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(), args.clip)
optimizer.step()
pbar.set_description(print_loss(loss_ptr, loss_gate))
if (epoch + 1) % int(args.eval_period) == 0:
acc = evaluate(model, dev, avg_best, SLOTS_LIST[2], gating_dict)
scheduler.step(acc)
if acc >= avg_best:
avg_best = acc
cnt = 0
save_model(model)
else:
cnt += 1
if cnt == args.patience or acc == 1.0:
print("Ran out of patient, early stop...")
break
def main():
args = parse_args()
working_dir_name = get_working_dir_name(args.results_root, args)
working_dir = os.path.join(args.results_root, working_dir_name)
check_dir(working_dir)
print(f'Working Dir : {working_dir}')
make_results_folders(working_dir) # 'weights' / 'test_img'
# update args
args.working_dir = working_dir
args.weights_dir = os.path.join(args.working_dir, 'weights')
args.test_img_dir = os.path.join(args.working_dir, 'test_img')
# init writer for tensorboard
writer = SummaryWriter(working_dir)
print(f'Tensorboard info will be saved in \'{working_dir}\'')
# save args in run folder
with open(os.path.join(working_dir, 'args.txt'), 'w') as f:
json.dump(args.__dict__, f, indent=4)
args.device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
print(args)
# Dataset
if args.dataset == 'sixray':
train_dataset = sixrayDataset('../SIXray', mode='train')
eval_dataset = sixrayDataset('../SIXray', mode='eval')
elif args.dataset == 'coco' :
train_dataset = cocoDataset('../coco', mode='train')
eval_dataset = cocoDataset('../coco', mode='eval')
else :
raise RuntimeError('Invalide dataset type')
# Dataloader
train_loader = DataLoader(dataset=train_dataset, batch_size=args.batch_size,
shuffle=True, num_workers=0,
collate_fn=collate_sixray)
eval_loader = DataLoader(dataset=eval_dataset, batch_size=1,
shuffle=False, num_workers=0,
collate_fn=collate_sixray)
# Models
if args.model == 'res34':
backbone = torchvision.models.resnet34(pretrained=True) # res 34
backbone = get_resent_features(backbone)
out_ch = 512 # resnet18,34 : 512
elif args.model == 'res50':
backbone = torchvision.models.resnet50(pretrained=True) # res 50
backbone = get_resent_features(backbone)
out_ch = 2048 # resnet50~152 : 2048
elif args.model == 'res34AAA':
backbone = AAA('res34', True, args)
out_ch = 512 # resnet18,34 : 512
else :
assert()
# Anchor size : ((size, size*2, size*4, size*8, size*16), )
anchor_size = (tuple(int(args.anchor_init_size * math.pow(2, i)) for i in range(5)), )
backbone.out_channels = out_ch
anchor_generator = AnchorGenerator(sizes=anchor_size,
aspect_ratios=((0.5, 1.0, 2.0),))
roi_pooler = torchvision.ops.MultiScaleRoIAlign(featmap_names=['0'],
output_size=7,
sampling_ratio=2)
model = FasterRCNN(backbone=backbone,
num_classes=7, # 6 class + 1 background
rpn_anchor_generator=anchor_generator,
box_roi_pool=roi_pooler,
min_size=args.img_min_size,
max_size=args.img_max_size).to(args.device)
# if args.model == 'res50fpn':
# model = fasterrcnn_resnet50_fpn(pretrained=True).to(args.device)
# model.rpn.anchor_generator.sizes = ((8,), (16,), (32,), (64,), (128,))
# Optimizer
optimizer = optim.SGD(model.parameters(),
lr=args.lr, momentum=args.momentum, weight_decay=args.weight_decay)
schedular = optim.lr_scheduler.MultiStepLR(optimizer, milestones=[90, 120], gamma=0.1)
# train
global_step = 0
accuracies = {}
for epoch in range(1, args.epochs+1):
progress = tqdm.tqdm(train_loader)
for images, targets, _ in progress:
model.train()
images = list(image.to(args.device) for image in images)
targets = [{k: v.to(args.device) for k, v in t.items()} for t in targets]
loss_dict = model(images, targets)
losses = sum(loss for loss in loss_dict.values())
optimizer.zero_grad()
losses.backward()
optimizer.step()
loss_cls = loss_dict['loss_classifier'].item()
loss_reg = loss_dict['loss_box_reg'].item()
loss_obj = loss_dict['loss_objectness'].item()
loss_rpn_reg = loss_dict['loss_rpn_box_reg'].item()
progress.set_description(f'Train {epoch} / {args.epochs}, lr : {optimizer.param_groups[0]["lr"]} ' +
f'Loss : [TT]{losses:.3f}, [HC]{loss_cls:.3f}, [HR]{loss_reg:.3f}, ' +
f'[RO]{loss_obj:.3f}, [RR]{loss_rpn_reg:.3f} ')
if epoch % args.save_epoch == 0 :
torch.save(model.state_dict(),
os.path.join(args.weights_dir, f'{args.model}_{epoch}.ckpt'))
if epoch % args.eval_epoch == 0 :
accuracies = evaluate(model, eval_loader, args, epoch, accs=accuracies, update_acc=True)
if args.test_img_name == '':
image_path = os.path.join(args.test_img_folder,
random.sample(os.listdir(args.test_img_folder), 1)[0])
args.test_img_name = image_path
test(model, image_path, args, epoch)
## Tensor Board
writer.add_scalar('lr', optimizer.param_groups[0]['lr'], global_step)
writer.add_scalar('loss_classifier', loss_cls, global_step)
writer.add_scalar('loss_box_reg', loss_reg, global_step)
writer.add_scalar('loss_objectness', loss_obj, global_step)
writer.add_scalar('loss_rpn_box_reg', loss_rpn_reg, global_step)
global_step += 1
schedular.step()
## Evaluate rankings
accuracies = sorted(accuracies.items(), key=lambda x: x[1], reverse=True)
print('##### TOP 3 models by iou 0.5 value #####')
for i in range(3) :
print(f'TOP {i+1} : epoch {accuracies[i][0]}, accuracy {accuracies[i][1]}')
def gbdt_solver(train_x, train_y, validation_x, test_x, filepath, validation_y = np.array([]), feature_names = [], validation_artist_id=None, validation_month=None, validation_label_day=None, transform_type=0, validation_song_id=None) :
"""
"""
logging.info('start training the gbdt model')
"""
col_last_month_plays=None
for i in xrange(len(feature_names)):
if feature_names[i]=='last_month_plays':
col_last_month_plays=i
assert col_last_month_plays is not None, 'No feature last_month_plays found!'
train_last_month_plays=train_x[:, col_last_month_plays]
validation_last_month_plays=validation_x[:, col_last_month_plays]
test_last_month_plays=test_x[:, col_last_month_plays]
train_y_ratio=(train_y-train_last_month_plays)*1.0/train_last_month_plays
validation_y_ratio=(validation_y-validation_last_month_plays)*1.0/validation_last_month_plays
#Transform predict
tmp_train_y = train_y
tmp_validation_y = validation_y
train_y = Transform(train_y, transform_type, train_last_month_plays)
validation_y = Transform(validation_y, transform_type, validation_last_month_plays)
"""
params = {
'n_estimators': 0,
'learning_rate': 0.03,
'random_state': 1000000007,
'max_depth': 3,
'verbose' : 2,
'warm_start': True
}
max_num_round = 100
batch = 10
best_val = -1e60
history_validation_val = []
best_num_round = -1
curr_round = 0
assert max_num_round % batch == 0
gb = GradientBoostingRegressor(**params)
for step in xrange(max_num_round / batch) :
train_x = train_x.copy(order='C')
train_y = train_y.copy(order='C')
gb.n_estimators += batch
logging.info('current round is: %d' % curr_round)
#gb.set_params(**params)
gb.fit(train_x, train_y)
curr_round += batch
predict = gb.predict(validation_x)
#detransform to plays
predict=Convert2Plays(predict, transform_type)
predict = HandlePredict(predict.tolist(), validation_song_id)
curr_val = evaluate.evaluate(predict, validation_y.tolist(), validation_artist_id, validation_month, validation_label_day)
history_validation_val.append(curr_val)
logging.info('the current score is %.10f' % curr_val)
if curr_round >= 100 and curr_val > best_val:
best_num_round = curr_round
best_val = curr_val
joblib.dump(gb, filepath + '/model/gbdt.pkl')
logging.info('the best round is %d, the score is %.10f' % (best_num_round, best_val))
gb = joblib.load(filepath + '/model/gbdt.pkl')
predict = gb.predict(validation_x)
#detransform to plays
predict=Convert2Plays(predict, transform_type)
with open(filepath + '/parameters.param', 'w') as out :
for key, val in params.items():
out.write(str(key) + ': ' + str(val) + '\n')
out.write('max_num_round: '+str(max_num_round)+'\n')
out.write('best_num_round: '+str(best_num_round)+'\n')
out.write('transform_type: '+str(transform_type)+'\n')
# unable to use matplotlib if used multiprocessing
if validation_y.shape[0] and False :
logging.info('the loss in Training set is %.4f' % loss_function(train_y, gb.predict(train_x)))
logging.info('the loss in Validation set is %.4f' % loss_function(validation_y, gb.predict(validation_x)))
plt.figure(figsize=(12, 6))
# Plot feature importance
plt.subplot(1, 2, 1)
if (feature_names) == 0:
feature_names = [str(i + 1) for i in xrange(validation_x.shape[0])]
feature_names = np.array(feature_names)
feature_importance = gb.feature_importances_
feature_importance = 100.0 * (feature_importance / feature_importance.max())
sorted_idx = np.argsort(feature_importance)
pos = np.arange(sorted_idx.shape[0]) + .5
plt.barh(pos, feature_importance[sorted_idx], align='center')
plt.yticks(pos, feature_names[sorted_idx])
plt.xlabel('Relative Importance')
plt.title('Variable Importance')
# Plot training deviance
plt.subplot(1, 2, 2)
test_score = np.zeros((params['n_estimators'],), dtype=np.float64)
for i, y_pred in enumerate(gb.staged_predict(validation_x)):
test_score[i] = loss_function(validation_y, y_pred)
plt.title('Deviance')
plt.plot(np.arange(params['n_estimators']) + 1, gb.train_score_, 'b-',
label='Training Set Deviance')
plt.plot(np.arange(params['n_estimators']) + 1, test_score, 'r-',
label='Test Set Deviance')
plt.legend(loc='upper right')
plt.xlabel('Boosting Iterations')
plt.ylabel('Deviance')
plt.savefig(filepath + '/statistics.jpg')
return predict, Transform(gb.predict(test_x), transform_type)
import json
import numpy as np
from utils.evaluate import evaluate
from utils.helper import JsonEncoder
res_dir = 'run'
models = ('dcrnn', 'fclstm', 'gwnet', 'stgcn')
unified_results = {'speed': dict(), 'available': dict()}
for model in models:
results = np.load(os.path.join(res_dir, model, 'test-results.npz'))
predictions, targets = results['predictions'], results['targets']
unified_results['speed'].update({model: evaluate(predictions[:, :, 0], targets[:, :, 0])})
unified_results['available'].update({model: evaluate(predictions[:, :, 1], targets[:, :, 1])})
ha_res = json.load(open('run/ha_results.json'))
unified_results['speed'].update({'ha': ha_res['speed']})
unified_results['available'].update({'ha': ha_res['available']})
var_res = json.load(open('run/var_results.json'))
unified_results['speed'].update({'var': var_res['speed']})
unified_results['available'].update({'var': var_res['available']})
speed_results = np.load(os.path.join(res_dir, 'ours_speed', 'test-results.npz'))
avail_results = np.load(os.path.join(res_dir, 'ours_avail', 'test-results.npz'))
unified_results['speed'].update({'sp': evaluate(speed_results['predictions'], speed_results['targets'])})
unified_results['available'].update({'ap': evaluate(avail_results['predictions'], avail_results['targets'])})
def predict(ACTIVATION='ReLU',
dropout=0.2,
minimum_kernel=32,
epochs=50,
crop_size=64,
stride_size=3,
DATASET='DRIVE'):
print('-' * 40)
print('Loading and preprocessing test data...')
print('-' * 40)
network_name = "Res-unet"
model_name = f"{network_name}_cropsize_{crop_size}_epochs_{epochs}"
prepare_dataset.prepareDataset(DATASET)
test_data = [
prepare_dataset.getTestData(0, DATASET),
prepare_dataset.getTestData(1, DATASET),
prepare_dataset.getTestData(2, DATASET)
]
IMAGE_SIZE = None
if DATASET == 'DRIVE':
IMAGE_SIZE = (565, 584)
gt_list_out = {}
pred_list_out = {}
try:
os.makedirs(f"./output/{model_name}/crop_size_{crop_size}/out/",
exist_ok=True)
gt_list_out.update({f"out": []})
pred_list_out.update({f"out": []})
except:
pass
print('-' * 30)
print('Loading saved weights...')
print('-' * 30)
activation = globals()[ACTIVATION]
model = get_res_unet(minimum_kernel=minimum_kernel,
do=dropout,
size=crop_size,
activation=activation)
print("Model : %s" % model_name)
load_path = f"./trained_model/{model_name}/{model_name}.hdf5"
model.load_weights(load_path, by_name=False)
imgs = test_data[0]
segs = test_data[1]
masks = test_data[2]
print('-' * 30)
print('Predicting masks on test data...')
print('-' * 30)
print('\n')
for i in tqdm(range(len(imgs))):
img = imgs[i] # (576,576,3)
seg = segs[i] # (576,576,1)
mask = masks[i] # (584,565,1)
patches_pred, new_height, new_width, adjustImg = crop_prediction.get_test_patches(
img, crop_size, stride_size)
pred = model.predict(patches_pred) # 预测数据
pred_patches = crop_prediction.pred_to_patches(pred, crop_size,
stride_size)
pred_imgs = crop_prediction.recompone_overlap(pred_patches, crop_size,
stride_size, new_height,
new_width)
pred_imgs = pred_imgs[:, 0:prepare_dataset.DESIRED_DATA_SHAPE[0],
0:prepare_dataset.DESIRED_DATA_SHAPE[0], :]
probResult = pred_imgs[0, :, :, 0] # (576,576)
pred_ = probResult
with open(
f"./output/{model_name}/crop_size_{crop_size}/out/{i + 1:02}.pickle",
'wb') as handle:
pickle.dump(pred_, handle, protocol=pickle.HIGHEST_PROTOCOL)
pred_ = resize(pred_, IMAGE_SIZE[::-1]) # (584,565)
mask_ = mask
mask_ = resize(mask_, IMAGE_SIZE[::-1]) # (584,565)
seg_ = seg
seg_ = resize(seg_, IMAGE_SIZE[::-1]) # (584,565)
gt_ = (seg_ > 0.5).astype(int)
gt_flat = []
pred_flat = []
for p in range(pred_.shape[0]):
for q in range(pred_.shape[1]):
if mask_[p, q] > 0.5: # Inside the mask pixels only
gt_flat.append(gt_[p, q])
pred_flat.append(pred_[p, q])
gt_list_out[f"out"] += gt_flat
pred_list_out[f"out"] += pred_flat
pred_ = 255. * (pred_ - np.min(pred_)) / (np.max(pred_) -
np.min(pred_))
cv2.imwrite(
f"./output/{model_name}/crop_size_{crop_size}/out/{i + 1:02}.png",
pred_)
print('-' * 30)
print('Prediction finished')
print('-' * 30)
print('\n')
print('-' * 30)
print('Evaluate the results')
print('-' * 30)
evaluate(gt_list_out[f"out"], pred_list_out[f"out"], epochs, crop_size,
DATASET, network_name)
print('-' * 30)
print('Evaluate finished')
print('-' * 30)
from config import *
import torch
import os
from utils.dataloader import get_data_iterator
from utils.evaluate import evaluate
torch.manual_seed(SEED)
torch.backends.cudnn.deterministic = True
if __name__ == '__main__':
device = torch.device('cuda', gpuid)
# get data_iterator of train/valid/test
print('start getting data_iterator of train/valid/test...')
TEXT = torch.load(os.path.join(data_path, text_field))
LABEL = torch.load(os.path.join(data_path, label_field))
train_iterator, valid_iterator, test_iterator = get_data_iterator(
device, TEXT, LABEL, batch_size, data_path, train_file, valid_file,
test_file)
print('=================== success ===================')
print('start loading model...')
model = torch.load(os.path.join('saved_models', f'model_{mark}.pkl'))
criterion = nn.CrossEntropyLoss().to(device)
print('=================== success ===================')
print('start testing...')
test_loss, test_acc = evaluate(model, test_iterator, criterion)
print(f'Test Loss: {test_loss:.3f} | Test Acc: {test_acc * 100:.2f}%')