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# Copyright 2021 Zilliz. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from typing import Dict
from pathlib import Path
from towhee.operator.base import NNOperator
from towhee import register
from towhee.models import collaborative_experts
import warnings
warnings.filterwarnings('ignore')
@register(output_schema=['vec'])
class CollaborativeExperts(NNOperator):
"""
CollaborativeExperts embedding operator
"""
def __init__(self, config: Dict = None, weights_path: str = None, device: str = None):
super().__init__()
if weights_path is None:
weights_path = str(Path(__file__).parent / 'trained_model.pth')
self.ce_net_model = collaborative_experts.create_model(config, weights_path, device)
def __call__(self, experts, ind, text):
out = self.ce_net_model(experts, ind, text)
text_embds = {k: v.squeeze(1).detach().cpu().numpy() for k, v in out['text_embds'].items()}
vid_embds = {k: v.detach().cpu().numpy() for k, v in out['vid_embds'].items()}
return text_embds, vid_embds
def get_text_embds(self, experts, ind, text):
out = self.ce_net_model(experts, ind, text)
text_embds = {k: v.squeeze(1).detach().cpu().numpy() for k, v in out['text_embds'].items()}
return text_embds
def get_vid_embds(self, experts, ind, text):
out = self.ce_net_model(experts, ind, text)
vid_embds = {k: v.detach().cpu().numpy() for k, v in out['vid_embds'].items()}
return vid_embds
def get_cross_view_conf_matrix(self, experts, ind, text):
out = self.ce_net_model(experts, ind, text)
return out['cross_view_conf_matrix'].detach().cpu().numpy()