115 lines
4.0 KiB
Python
115 lines
4.0 KiB
Python
# Copyright (c) 2022 PaddlePaddle Authors. 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.
|
|
|
|
|
|
class KeyPointSequence(object):
|
|
def __init__(self, max_size=100):
|
|
self.frames = 0
|
|
self.kpts = []
|
|
self.bboxes = []
|
|
self.max_size = max_size
|
|
|
|
def save(self, kpt, bbox):
|
|
self.kpts.append(kpt)
|
|
self.bboxes.append(bbox)
|
|
self.frames += 1
|
|
if self.frames == self.max_size:
|
|
return True
|
|
return False
|
|
|
|
|
|
class KeyPointBuff(object):
|
|
def __init__(self, max_size=100):
|
|
self.flag_track_interrupt = False
|
|
self.keypoint_saver = dict()
|
|
self.max_size = max_size
|
|
self.id_to_pop = set()
|
|
self.flag_to_pop = False
|
|
|
|
def get_state(self):
|
|
return self.flag_to_pop
|
|
|
|
def update(self, kpt_res, mot_res):
|
|
kpts = kpt_res.get('keypoint')[0]
|
|
bboxes = kpt_res.get('bbox')
|
|
mot_bboxes = mot_res.get('boxes')
|
|
updated_id = set()
|
|
|
|
for idx in range(len(kpts)):
|
|
tracker_id = mot_bboxes[idx, 0]
|
|
updated_id.add(tracker_id)
|
|
|
|
kpt_seq = self.keypoint_saver.get(tracker_id,
|
|
KeyPointSequence(self.max_size))
|
|
is_full = kpt_seq.save(kpts[idx], bboxes[idx])
|
|
self.keypoint_saver[tracker_id] = kpt_seq
|
|
|
|
#Scene1: result should be popped when frames meet max size
|
|
if is_full:
|
|
self.id_to_pop.add(tracker_id)
|
|
self.flag_to_pop = True
|
|
|
|
#Scene2: result of a lost tracker should be popped
|
|
interrupted_id = set(self.keypoint_saver.keys()) - updated_id
|
|
if len(interrupted_id) > 0:
|
|
self.flag_to_pop = True
|
|
self.id_to_pop.update(interrupted_id)
|
|
|
|
def get_collected_keypoint(self):
|
|
"""
|
|
Output (List): List of keypoint results for Skeletonbased Recognition task, where
|
|
the format of each element is [tracker_id, KeyPointSequence of tracker_id]
|
|
"""
|
|
output = []
|
|
for tracker_id in self.id_to_pop:
|
|
output.append([tracker_id, self.keypoint_saver[tracker_id]])
|
|
del (self.keypoint_saver[tracker_id])
|
|
self.flag_to_pop = False
|
|
self.id_to_pop.clear()
|
|
return output
|
|
|
|
|
|
class ActionVisualHelper(object):
|
|
def __init__(self, frame_life=20):
|
|
self.frame_life = frame_life
|
|
self.action_history = {}
|
|
|
|
def get_visualize_ids(self):
|
|
id_detected = self.check_detected()
|
|
return id_detected
|
|
|
|
def check_detected(self):
|
|
id_detected = set()
|
|
deperate_id = []
|
|
for mot_id in self.action_history:
|
|
self.action_history[mot_id]["life_remain"] -= 1
|
|
if int(self.action_history[mot_id]["class"]) == 0:
|
|
id_detected.add(mot_id)
|
|
if self.action_history[mot_id]["life_remain"] == 0:
|
|
deperate_id.append(mot_id)
|
|
for mot_id in deperate_id:
|
|
del (self.action_history[mot_id])
|
|
return id_detected
|
|
|
|
def update(self, action_res_list):
|
|
for mot_id, action_res in action_res_list:
|
|
if mot_id in self.action_history:
|
|
if int(action_res["class"]) != 0 and int(self.action_history[
|
|
mot_id]["class"]) == 0:
|
|
continue
|
|
action_info = self.action_history.get(mot_id, {})
|
|
action_info["class"] = action_res["class"]
|
|
action_info["life_remain"] = self.frame_life
|
|
self.action_history[mot_id] = action_info
|