def create_annotation(form, object_name, labels, frame):
annotation = Region()
annotation.object_name = object_name
if form.cleaned_data['high_level']:
annotation.full_frame = True
annotation.x = 0
annotation.y = 0
annotation.h = 0
annotation.w = 0
else:
annotation.full_frame = False
annotation.x = form.cleaned_data['x']
annotation.y = form.cleaned_data['y']
annotation.h = form.cleaned_data['h']
annotation.w = form.cleaned_data['w']
annotation.text = form.cleaned_data['text']
annotation.metadata = form.cleaned_data['metadata']
annotation.frame = frame
annotation.video = frame.video
annotation.region_type = Region.ANNOTATION
annotation.save()
for lname in labels:
if lname.strip():
dl, _ = Label.objects.get_or_create(name=lname, set="UI")
rl = RegionLabel()
rl.video = annotation.video
rl.frame = annotation.frame
rl.region = annotation
rl.label = dl
rl.save()
def perform_face_indexing(video_id):
from dvaapp.models import Region,Frame,Video,IndexEntries
from dvalib import indexer,detector
from dvaapp.operations.video_processing import WFrame,WVideo
from django.conf import settings
from scipy import misc
face_indexer = indexer.FacenetIndexer()
dv = Video.objects.get(id=video_id)
video = WVideo(dv, settings.MEDIA_ROOT)
frames = Frame.objects.all().filter(video=dv)
wframes = [WFrame(video=video, frame_index=df.frame_index, primary_key=df.pk) for df in frames]
input_paths = {f.local_path(): f.primary_key for f in wframes}
faces_dir = '{}/{}/detections'.format(settings.MEDIA_ROOT, video_id)
indexes_dir = '{}/{}/indexes'.format(settings.MEDIA_ROOT, video_id)
face_detector = detector.FaceDetector()
aligned_paths = face_detector.detect(wframes)
logging.info(len(aligned_paths))
faces = []
faces_to_pk = {}
count = 0
for path, v in aligned_paths.iteritems():
for scaled_img, bb in v:
d = Region()
d.region_type = Region.DETECTION
d.video = dv
d.confidence = 100.0
d.frame_id = input_paths[path]
d.object_name = "mtcnn_face"
left, top, right, bottom = bb[0], bb[1], bb[2], bb[3]
d.y = top
d.x = left
d.w = right - left
d.h = bottom - top
d.save()
face_path = '{}/{}.jpg'.format(faces_dir, d.pk)
output_filename = os.path.join(faces_dir, face_path)
misc.imsave(output_filename, scaled_img)
faces.append(face_path)
faces_to_pk[face_path] = d.pk
count += 1
dv.refresh_from_db()
dv.detections = dv.detections + count
dv.save()
path_count, emb_array, entries, feat_fname, entries_fname = face_indexer.index_faces(faces, faces_to_pk,
indexes_dir, video_id)
i = IndexEntries()
i.video = dv
i.count = len(entries)
i.contains_frames = False
i.contains_detections = True
i.detection_name = "Face"
i.algorithm = 'facenet'
i.entries_file_name = entries_fname.split('/')[-1]
i.features_file_name = feat_fname.split('/')[-1]
i.save()
def ssd_detect(video_id):
"""
This is a HACK since Tensorflow is absolutely atrocious in allocating and freeing up memory.
Once a process / session is allocated a memory it cannot be forced to clear it up.
As a result this code gets called via a subprocess which clears memory when it exits.
:param video_id:
:return:
"""
import django
from PIL import Image
sys.path.append(os.path.dirname(__file__))
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "dva.settings")
django.setup()
from django.conf import settings
from dvaapp.models import Video, Region, Frame
from dvalib import entity, detector
dv = Video.objects.get(id=video_id)
frames = Frame.objects.all().filter(video=dv)
v = entity.WVideo(dvideo=dv, media_dir=settings.MEDIA_ROOT)
wframes = {
df.pk: entity.WFrame(video=v,
frame_index=df.frame_index,
primary_key=df.pk)
for df in frames
}
detection_count = 0
algorithm = detector.SSDetector()
logging.info("starting detection {}".format(algorithm.name))
frame_detections = algorithm.detect(wframes.values())
for frame_pk, detections in frame_detections.iteritems():
for d in detections:
dd = Region()
dd.region_type = Region.DETECTION
dd.video = dv
dd.frame_id = frame_pk
dd.object_name = d['name']
dd.confidence = d['confidence']
dd.x = d['left']
dd.y = d['top']
dd.w = d['right'] - d['left']
dd.h = d['bot'] - d['top']
dd.save()
img = Image.open(wframes[frame_pk].local_path())
img2 = img.crop((d['left'], d['top'], d['right'], d['bot']))
img2.save("{}/{}/detections/{}.jpg".format(settings.MEDIA_ROOT,
video_id, dd.pk))
detection_count += 1
dv.refresh_from_db()
dv.detections = dv.detections + detection_count
dv.save()
def annotate_entire_frame(request, frame_pk):
frame = Frame.objects.get(pk=frame_pk)
annotation = None
if request.method == 'POST':
if request.POST.get('text').strip() \
or request.POST.get('metadata').strip() \
or request.POST.get('object_name', None):
annotation = Region()
annotation.region_type = Region.ANNOTATION
annotation.x = 0
annotation.y = 0
annotation.h = 0
annotation.w = 0
annotation.full_frame = True
annotation.text = request.POST.get('text')
annotation.metadata = request.POST.get('metadata')
annotation.object_name = request.POST.get('object_name',
'frame_metadata')
annotation.frame = frame
annotation.video = frame.video
annotation.save()
for label_name in request.POST.get('tags').split(','):
if label_name.strip():
if annotation:
dl = RegionLabel()
dl.video = frame.video
dl.frame = frame
dl.label = Label.objects.get_or_create(name=label_name,
set="UI")[0]
dl.region = annotation
dl.save()
else:
dl = FrameLabel()
dl.video = frame.video
dl.frame = frame
dl.label = Label.objects.get_or_create(name=label_name,
set="UI")[0]
dl.save()
return redirect("frame_detail", pk=frame.pk)
def create_yolo_test_data():
import json
import shutil
import numpy as np
import os
from PIL import Image
setup_django()
from dvaapp.shared import handle_uploaded_file
from django.core.files.uploadedfile import SimpleUploadedFile
from dvaapp.models import Region, TEvent, Frame, AppliedLabel
from dvaapp.tasks import extract_frames, export_video_by_id
try:
shutil.rmtree('tests/yolo_test')
except:
pass
try:
os.mkdir('tests/yolo_test')
except:
pass
data = np.load('shared/underwater_data.npz')
json_test = {}
json_test['anchors'] = [(0.57273, 0.677385), (1.87446, 2.06253),
(3.33843, 5.47434), (7.88282, 3.52778),
(9.77052, 9.16828)]
id_2_boxes = {}
class_names = {
0: "red_buoy",
1: "green_buoy",
2: "yellow_buoy",
3: "path_marker",
4: "start_gate",
5: "channel"
}
for i, image in enumerate(data['images'][:500]):
path = "tests/yolo_test/{}.jpg".format(i)
Image.fromarray(image).save(path)
id_2_boxes[path.split('/')[-1]] = data['boxes'][i].tolist()
local('zip tests/yolo_test.zip -r tests/yolo_test/* ')
fname = "tests/yolo_test.zip"
name = "yolo_test"
f = SimpleUploadedFile(fname,
file(fname).read(),
content_type="application/zip")
dv = handle_uploaded_file(f, name)
extract_frames(TEvent.objects.create(video=dv).pk)
for df in Frame.objects.filter(video=dv):
for box in id_2_boxes[df.name]:
r = Region()
r.video = dv
r.frame = df
c, top_x, top_y, bottom_x, bottom_y = box
r.object_name = class_names[c]
r.region_type = Region.ANNOTATION
r.x = top_x
r.y = top_y
r.w = bottom_x - top_x
r.h = bottom_y - top_y
r.save()
l = AppliedLabel()
l.frame = df
l.video = dv
l.label_name = class_names[c]
l.region = r
l.save()
export_video_by_id(TEvent.objects.create(video=dv).pk)
try:
shutil.rmtree('tests/yolo_test')
except:
pass
}
labels = {k: Label.objects.create(name=v, set="test") for k, v in class_names}
for i, image in enumerate(data['images'][:500]):
path = "/Users/aub3/tests/yolo_test/{}.jpg".format(i)
Image.fromarray(image).save(path)
id_2_boxes[path.split('/')[-1]] = data['boxes'][i].tolist()
local('zip /Users/aub3/tests/yolo_test.zip -r /Users/aub3/tests/yolo_test/* ')
fname = "/Users/aub3/tests/yolo_test.zip"
name = "yolo_test"
f = SimpleUploadedFile(fname, file(fname).read(), content_type="application/zip")
dv = handle_uploaded_file(f, name)
perform_dataset_extraction(TEvent.objects.create(video=dv).pk)
for df in Frame.objects.filter(video=dv):
for box in id_2_boxes[df.name]:
r = Region()
r.video = dv
r.frame = df
c, top_x, top_y, bottom_x, bottom_y = box
r.object_name = class_names[c]
r.region_type = Region.ANNOTATION
r.x = top_x
r.y = top_y
r.w = bottom_x - top_x
r.h = bottom_y - top_y
r.save()
l = RegionLabel()
l.frame = df
l.video = dv
l.label = labels[c]
l.region = r
l.save()
def create_yolo_test_data():
import json
import shutil
import numpy as np
import os
from PIL import Image
setup_django()
from dvaapp.shared import handle_uploaded_file
from django.core.files.uploadedfile import SimpleUploadedFile
from dvaapp.models import Region,TEvent,Frame, AppliedLabel
from dvaapp.tasks import extract_frames,export_video_by_id
try:
shutil.rmtree('tests/yolo_test')
except:
pass
try:
os.mkdir('tests/yolo_test')
except:
pass
data = np.load('shared/underwater_data.npz')
json_test = {}
json_test['anchors'] = [(0.57273, 0.677385), (1.87446, 2.06253), (3.33843, 5.47434), (7.88282, 3.52778), (9.77052, 9.16828)]
id_2_boxes = {}
class_names = {
0:"red_buoy",
1:"green_buoy",
2:"yellow_buoy",
3:"path_marker",
4:"start_gate",
5:"channel"
}
for i,image in enumerate(data['images'][:500]):
path = "tests/yolo_test/{}.jpg".format(i)
Image.fromarray(image).save(path)
id_2_boxes[path.split('/')[-1]] = data['boxes'][i].tolist()
local('zip tests/yolo_test.zip -r tests/yolo_test/* ')
fname = "tests/yolo_test.zip"
name = "yolo_test"
f = SimpleUploadedFile(fname, file(fname).read(), content_type="application/zip")
dv = handle_uploaded_file(f, name)
extract_frames(TEvent.objects.create(video=dv).pk)
for df in Frame.objects.filter(video=dv):
for box in id_2_boxes[df.name]:
r = Region()
r.video = dv
r.frame = df
c , top_x, top_y, bottom_x, bottom_y = box
r.object_name = class_names[c]
r.region_type = Region.ANNOTATION
r.x = top_x
r.y = top_y
r.w = bottom_x - top_x
r.h = bottom_y - top_y
r.save()
l = AppliedLabel()
l.frame = df
l.video = dv
l.label_name = class_names[c]
l.region = r
l.save()
export_video_by_id(TEvent.objects.create(video=dv).pk)
try:
shutil.rmtree('tests/yolo_test')
except:
pass