File size: 4,097 Bytes
7b7527a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | # 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
|