def detect(self, image=None): Height, Width = image.shape[:2] img = image.copy() img = cv2.cvtColor(img, cv2.COLOR_BGR2RGB) img = Image.fromarray(img) if self.options.get('auto_lock', True): self.acquire_lock() try: if not self.model: self.load_model() g.logger.Debug( 1, '|---------- TPU (input image: {}w*{}h) ----------|'.format( Width, Height)) t = Timer() _, scale = common.set_resized_input( self.model, img.size, lambda size: img.resize(size, Image.ANTIALIAS)) self.model.invoke() objs = detect.get_objects( self.model, float(self.options.get('object_min_confidence')), scale) #outs = self.model.detect_with_image(img, threshold=int(self.options.get('object_min_confidence')), # keep_aspect_ratio=True, relative_coord=False) diff_time = t.stop_and_get_ms() if self.options.get('auto_lock', True): self.release_lock() except: if self.options.get('auto_lock', True): self.release_lock() raise diff_time = t.stop_and_get_ms() g.logger.Debug( 1, 'perf: processor:{} Coral TPU detection took: {}'.format( self.processor, diff_time)) bbox = [] labels = [] conf = [] for obj in objs: # box = obj.bbox.flatten().astype("int") bbox.append([ int(round(obj.bbox.xmin)), int(round(obj.bbox.ymin)), int(round(obj.bbox.xmax)), int(round(obj.bbox.ymax)) ]) labels.append(self.classes.get(obj.id)) conf.append(float(obj.score)) g.logger.Debug( 3, 'Coral object returning: {},{},{}'.format(bbox, labels, conf)) return bbox, labels, conf, ['coral'] * len(labels)
def load_model(self): self.logger.Debug (1, '|--------- Loading Yolo model from disk ---------|') t = Timer() self.net = cv2.dnn.readNet(self.options.get('object_weights'), self.options.get('object_config')) #self.net = cv2.dnn.readNetFromDarknet(config_file_abs_path, weights_file_abs_path) diff_time = t.stop_and_get_ms() self.logger.Debug( 1,'perf: processor:{} Yolo initialization (loading {} model from disk) took: {}' .format(self.processor, self.options.get('object_weights'), diff_time)) if self.processor == 'gpu': (maj, minor, patch) = cv2.__version__.split('.') min_ver = int(maj + minor) if min_ver < 42: self.logger.Error('Not setting CUDA backend for OpenCV DNN') self.logger.Error( 'You are using OpenCV version {} which does not support CUDA for DNNs. A minimum of 4.2 is required. See https://www.pyimagesearch.com/2020/02/03/how-to-use-opencvs-dnn-module-with-nvidia-gpus-cuda-and-cudnn/ on how to compile and install openCV 4.2' .format(cv2.__version__)) self.processor = 'cpu' else: self.logger.Debug (1, 'Using CPU for detection') if self.processor == 'gpu': self.logger.Debug( 2,'Setting CUDA backend for OpenCV') self.logger.Debug( 3,'If you did not set your CUDA_ARCH_BIN correctly during OpenCV compilation, you will get errors during detection related to invalid device/make_policy') self.net.setPreferableBackend(cv2.dnn.DNN_BACKEND_CUDA) self.net.setPreferableTarget(cv2.dnn.DNN_TARGET_CUDA) self.populate_class_labels()
def load_model(self): name = self.options.get('name') or 'TPU' g.logger.Debug( 1, '|--------- Loading "{}" model from disk -------------|'.format( name)) t = Timer() self.model = make_interpreter(self.options.get('face_weights')) self.model.allocate_tensors() diff_time = t.stop_and_get_ms() g.logger.Debug( 1, 'perf: processor:{} TPU initialization (loading {} from disk) took: {}' .format(self.processor, self.options.get('face_weights'), diff_time))
def load_model(self): self.logger.Debug( 1, '|--------- Loading TPU model from disk -------------|') #self.model = DetectionEngine(self.options.get('object_weights')) # Initialize the TF interpreter t = Timer() self.model = make_interpreter(self.options.get('object_weights')) self.model.allocate_tensors() diff_time = t.stop_and_get_ms() self.logger.Debug( 1, 'perf: processor:{} TPU initialization (loading {} from disk) took: {}' .format(self.processor, self.options.get('object_weights'), diff_time))
def detect(self, image): height, width = image.shape[:2] g.logger.Debug( 2, f'detect extracted image dimensions as: {width}x{height}') # Scale to 300x300 (that's what MobileNetSSD expects) image_resized = cv2.resize(image, (self.MODEL_HEIGHT, self.MODEL_WIDTH)) height_factor = image.shape[0] / self.MODEL_HEIGHT width_factor = image.shape[1] / self.MODEL_WIDTH if self.options.get('auto_lock', True): self.acquire_lock() try: if not self.net: self.load_model() t = Timer() blob = cv2.dnn.blobFromImage(image_resized, 0.007843, (self.MODEL_HEIGHT, self.MODEL_WIDTH), (127.5, 127.5, 127.5), False) self.net.setInput(blob) detections = self.net.forward() if self.options.get('auto_lock', True): self.release_lock() except: if self.options.get('auto_lock', True): self.release_lock() raise diff_time = t.stop_and_get_ms() g.logger.Debug( 1, f'perf: processor:{self.processor} MobileNetSSD detection took: {diff_time}' ) conf_threshold = float(self.options.get('object_min_confidence', 0.2)) bboxes = [] labels = [] confs = [] for i in range(detections.shape[2]): confidence = float(detections[0, 0, i, 2]) label_id = int(detections[0, 0, i, 1]) bbox_rel = list(detections[0, 0, i, 3:7]) try: label = self.classes[label_id] except ValueError as e: g.logger.Warning("LabelID={label_id} is outside of the range") continue if confidence < conf_threshold: if confidence > 0: g.logger.Debug( 3, f"Ignored Detection: {label}: {confidence:.2f}") continue g.logger.Debug(1, f"Detection: {label}: {confidence:.2f}") bbox = ( round(width * bbox_rel[0]), round(height * bbox_rel[1]), round(width * bbox_rel[2]), round(height * bbox_rel[3]), ) bboxes.append(bbox) labels.append(label) confs.append(confidence) return bboxes, labels, confs, ['mobnet'] * len(label)
def detect(self, image): Height, Width = image.shape[:2] self.logger.Debug( 1,'|---------- Face recognition (input image: {}w*{}h) ----------|'. format(Width, Height)) downscaled = False upsize_xfactor = None upsize_yfactor = None max_size = self.options.get('max_size', Width) old_image = None self.logger.Debug(5, 'Face options={}'.format(self.options)) if Width > max_size: downscaled = True self.logger.Debug (2, 'Scaling image down to max size: {}'.format(max_size)) old_image = image.copy() image = imutils.resize(image,width=max_size) newHeight, newWidth = image.shape[:2] upsize_xfactor = Width/newWidth upsize_yfactor = Height/newHeight labels = [] classes = [] conf = [] # Convert the image from BGR color (which OpenCV uses) to RGB color (which face_recognition uses) rgb_image = image[:, :, ::-1] #rgb_image = image # Find all the faces and face encodings in the target image #prin (self.options) if self.options.get('auto_lock',True): self.acquire_lock() t = Timer() face_locations = face_recognition.face_locations( rgb_image, model=self.face_model, number_of_times_to_upsample=self.upsample_times) diff_time = t.stop_and_get_ms() self.logger.Debug(1,'perf: processor:{} Finding faces took {}'.format(self.processor, diff_time)) t = Timer() face_encodings = face_recognition.face_encodings( rgb_image, known_face_locations=face_locations, num_jitters=self.num_jitters) if self.options.get('auto_lock',True): self.release_lock() diff_time = t.stop_and_get_ms() self.logger.Debug( 1,'perf: processor:{} Computing face recognition distances took {}'.format( self.processor, diff_time)) if not len(face_encodings): return [], [], [] # Use the KNN model to find the best matches for the test face self.logger.Debug(3,'Comparing to known faces...') t = Timer() if self.knn: #self.logger.Debug(5, 'FACE ENCODINGS={}'.format(face_encodings)) closest_distances = self.knn.kneighbors(face_encodings, n_neighbors=1) self.logger.Debug(5, 'Closest knn match indexes (lesser is better): {}'.format(closest_distances)) are_matches = [ closest_distances[0][i][0] <= float(self.options.get('face_recog_dist_threshold',0.6)) for i in range(len(face_locations)) ] prediction_labels = self.knn.predict(face_encodings) #self.logger.Debug(5, 'KNN predictions: {} are_matches: {}'.format(prediction_labels, are_matches)) else: # There were no faces to compare # create a set of non matches for each face found are_matches = [False] * len(face_locations) prediction_labels = [''] * len(face_locations) self.logger.Debug (1,'No faces to match, so creating empty set') diff_time = t.stop_and_get_ms() self.logger.Debug( 1,'perf: processor:{} Matching recognized faces to known faces took {}'. format(self.processor, diff_time)) matched_face_names = [] matched_face_rects = [] if downscaled: self.logger.Debug (2,'Scaling image back up to {}'.format(Width)) image = old_image new_face_locations = [] for loc in face_locations: a,b,c,d=loc a = round(a * upsize_yfactor) b = round(b * upsize_xfactor) c = round(c * upsize_yfactor) d = round(d * upsize_xfactor) new_face_locations.append((a,b,c,d)) face_locations = new_face_locations for pred, loc, rec in zip(prediction_labels, face_locations, are_matches): label = pred if rec else self.options.get('unknown_face_name', 'unknown') if not rec and self.options.get('save_unknown_faces') == 'yes': h, w, c = image.shape x1 = max(loc[3] - int(self.options.get('save_unknown_faces_leeway_pixels',0)),0) y1 = max(loc[0] - int(self.options.get('save_unknown_faces_leeway_pixels',0)),0) x2 = min(loc[1] + int(self.options.get('save_unknown_faces_leeway_pixels',0)), w) y2 = min(loc[2] + int(self.options.get('save_unknown_faces_leeway_pixels',0)),h) #print (image) crop_img = image[y1:y2, x1:x2] # crop_img = image timestr = time.strftime("%b%d-%Hh%Mm%Ss-") unf = self.options.get('unknown_images_path') + '/' + timestr + str( uuid.uuid4()) + '.jpg' self.logger.Info( 'Saving cropped unknown face at [{},{},{},{} - includes leeway of {}px] to {}' .format(x1, y1, x2, y2, self.options.get('save_unknown_faces_leeway_pixels'), unf)) cv2.imwrite(unf, crop_img) matched_face_rects.append([loc[3], loc[0], loc[1], loc[2]]) matched_face_names.append(label) #matched_face_names.append('face:{}'.format(label)) conf.append(1) self.logger.Debug(3,f'FACE:Returning: {matched_face_rects}, {matched_face_names}, {conf}') return matched_face_rects, matched_face_names, conf
import imutils import math import uuid import time import datetime from pyzm.helpers.Base import Base # Class to handle face recognition import portalocker import re from pyzm.helpers.Media import MediaStream import imutils from pyzm.helpers.utils import Timer g_start =Timer() import face_recognition g_diff_time = g_start.stop_and_get_ms() class Face(Base): def __init__(self, logger=None, options={},upsample_times=1, num_jitters=0, model='hog'): super().__init__(logger) global g_diff_time #self.logger.Debug (4, 'Face init params: {}'.format(options)) if dlib.DLIB_USE_CUDA and dlib.cuda.get_num_devices() >=1 : self.processor = 'gpu' else: self.processor = 'cpu' self.logger.Debug( 1,'perf: processor:{} Face Recognition library load time took: {} '.format( self.processor, g_diff_time))
def train(self,size=None): t = Timer() known_images_path = self.options.get('known_images_path') train_model = self.options.get('face_train_model') knn_algo = self.options.get('face_recog_knn_algo', 'ball_tree') upsample_times = int(self.options.get('face_upsample_times',1)) num_jitters = int(self.options.get('face_num_jitters',0)) encoding_file_name = known_images_path + '/faces.dat' try: if (os.path.isfile(known_images_path + '/faces.pickle')): # old version, we no longer want it. begone g.logger.Debug( 2,'removing old faces.pickle, we have moved to clustering') os.remove(known_images_path + '/faces.pickle') except Exception as e: g.logger.Error('Error deleting old pickle file: {}'.format(e)) directory = known_images_path ext = ['.jpg', '.jpeg', '.png', '.gif'] known_face_encodings = [] known_face_names = [] try: for entry in os.listdir(directory): if os.path.isdir(directory + '/' + entry): # multiple images for this person, # so we need to iterate that subdir g.logger.Debug( 1,'{} is a directory. Processing all images inside it'. format(entry)) person_dir = os.listdir(directory + '/' + entry) for person in person_dir: if person.endswith(tuple(ext)): g.logger.Debug(1,'loading face from {}/{}'.format( entry, person)) # imread seems to do a better job of color space conversion and orientation known_face = cv2.imread('{}/{}/{}'.format( directory, entry, person)) if known_face is None or known_face.size == 0: g.logger.Error('Error reading file, skipping') continue #known_face = face_recognition.load_image_file('{}/{}/{}'.format(directory,entry, person)) if not size: size = int(self.options.get('resize',800)) g.logger.Debug (1,'resizing to {}'.format(size)) known_face = imutils.resize(known_face,width=size) # Convert the image from BGR color (which OpenCV uses) to RGB color (which face_recognition uses) #g.logger.Debug(1,'Converting from BGR to RGB') known_face = known_face[:, :, ::-1] face_locations = face_recognition.face_locations( known_face, model=train_model, number_of_times_to_upsample=upsample_times) if len(face_locations) != 1: g.logger.Error( 'File {} has {} faces, cannot use for training. We need exactly 1 face. If you think you have only 1 face try using "cnn" for training mode. Ignoring...' .format(person, len(face_locations))) else: face_encodings = face_recognition.face_encodings( known_face, known_face_locations=face_locations, num_jitters=num_jitters) known_face_encodings.append(face_encodings[0]) known_face_names.append(entry) #g.logger.Debug ('Adding image:{} as known person: {}'.format(person, person_dir)) elif entry.endswith(tuple(ext)): # this was old style. Lets still support it. The image is a single file with no directory g.logger.Debug(1,'loading face from {}'.format(entry)) #known_face = cv2.imread('{}/{}/{}'.format(directory,entry, person)) known_face = cv2.imread('{}/{}'.format(directory, entry)) if not size: size = int(self.options.get('resize',800)) g.logger.Debug (1,'resizing to {}'.format(size)) known_face = imutils.resize(known_face,width=size) # Convert the image from BGR color (which OpenCV uses) to RGB color (which face_recognition uses) known_face = known_face[:, :, ::-1] face_locations = face_recognition.face_locations( known_face, model=train_model, number_of_times_to_upsample=upsample_times) if len(face_locations) != 1: g.logger.Error( 'File {} has {} faces, cannot use for training. We need exactly 1 face. If you think you have only 1 face try using "cnn" for training mode. Ignoring...' .format(person), len(face_locations)) else: face_encodings = face_recognition.face_encodings( known_face, known_face_locations=face_locations, num_jitters=num_jitters) known_face_encodings.append(face_encodings[0]) known_face_names.append(os.path.splitext(entry)[0]) except Exception as e: g.logger.Error('Error initializing face recognition: {}'.format(e)) raise ValueError( 'Error opening known faces directory. Is the path correct?') # Now we've finished iterating all files/dirs # lets create the svm if not len(known_face_names): g.logger.Error( 'No known faces found to train, encoding file not created') else: n_neighbors = int(round(math.sqrt(len(known_face_names)))) g.logger.Debug(2,'Using algo:{} n_neighbors to be: {}'.format(knn_algo, n_neighbors)) knn = neighbors.KNeighborsClassifier(n_neighbors=n_neighbors, algorithm=knn_algo, weights='distance') g.logger.Debug(1,'Training model ...') knn.fit(known_face_encodings, known_face_names) f = open(encoding_file_name, "wb") pickle.dump(knn, f) f.close() g.logger.Debug(1,'wrote encoding file: {}'.format(encoding_file_name)) diff_time = t.stop_and_get_ms() g.logger.Debug( 1,'perf: Face Recognition training took: {}'.format(diff_time))
def detect(self, image=None): Height, Width = image.shape[:2] downscaled = False upsize_xfactor = None upsize_yfactor = None max_size = self.options.get('max_size', Width) old_image = None if Width > max_size: downscaled = True self.logger.Debug (2, 'Scaling image down to max size: {}'.format(max_size)) old_image = image.copy() image = imutils.resize(image,width=max_size) newHeight, newWidth = image.shape[:2] upsize_xfactor = Width/newWidth upsize_yfactor = Height/newHeight if self.options.get('auto_lock',True): self.acquire_lock() try: if not self.net: self.load_model() self.logger.Debug( 1,'|---------- YOLO (input image: {}w*{}h, model resize dimensions: {}w*{}h) ----------|' .format(Width, Height, self.model_width, self.model_height)) scale = 0.00392 # 1/255, really. Normalize inputs. t = Timer() ln = self.net.getLayerNames() ln = [ln[i[0] - 1] for i in self.net.getUnconnectedOutLayers()] blob = cv2.dnn.blobFromImage(image, scale, (self.model_width, self.model_height), (0, 0, 0), True, crop=False) self.net.setInput(blob) outs = self.net.forward(ln) if self.options.get('auto_lock',True): self.release_lock() except: if self.options.get('auto_lock',True): self.release_lock() raise diff_time = t.stop_and_get_ms() self.logger.Debug( 1,'perf: processor:{} Yolo detection took: {}'.format(self.processor, diff_time)) class_ids = [] confidences = [] boxes = [] nms_threshold = 0.4 conf_threshold = 0.2 # first nms filter out with a yolo confidence of 0.2 (or less) if float(self.options.get('object_min_confidence')) < conf_threshold: conf_threshold = float(self.options.get('object_min_confidence')) for out in outs: for detection in out: scores = detection[5:] class_id = np.argmax(scores) confidence = scores[class_id] center_x = int(detection[0] * Width) center_y = int(detection[1] * Height) w = int(detection[2] * Width) h = int(detection[3] * Height) x = center_x - w / 2 y = center_y - h / 2 class_ids.append(class_id) confidences.append(float(confidence)) boxes.append([x, y, w, h]) t = Timer() indices = cv2.dnn.NMSBoxes(boxes, confidences, conf_threshold, nms_threshold) diff_time = t.stop_and_get_ms() self.logger.Debug( 2,'perf: processor:{} Yolo NMS filtering took: {}'.format(self.processor, diff_time)) bbox = [] label = [] conf = [] prefix = '(yolo) ' if self.options.get('show_models')=='yes' else '' # now filter out with configured yolo confidence, so we can see rejections in log for i in indices: i = i[0] box = boxes[i] x = box[0] y = box[1] w = box[2] h = box[3] bbox.append([ int(round(x)), int(round(y)), int(round(x + w)), int(round(y + h)) ]) label.append(prefix+str(self.classes[class_ids[i]])) conf.append(confidences[i]) if downscaled: self.logger.Debug (2,'Scaling image back up to {}'.format(Width)) image = old_image for box in bbox: box[0] = round (box[0] * upsize_xfactor) box[1] = round (box[1] * upsize_yfactor) box[2] = round (box[2] * upsize_xfactor) box[3] = round (box[3] * upsize_yfactor) return bbox, label, conf
def detect_stream(self, stream, options={}, ml_overrides={}): """Implements detection on a video stream Args: stream (string): location of media (file, url or event ID) ml_overrides(string): Ignore it. You will almost never need it. zm_detect uses it for ugly foo options (dict, optional): Various options that control the detection process. Defaults to {}: - delay (int): Delay in seconds before starting media stream - download (boolean): if True, will download video before analysis. Defaults to False - download_dir (string): directory where downloads will be kept (only applies to videos). Default is /tmp - start_frame (int): Which frame to start analysis. Default 1. - frame_skip: (int): Number of frames to skip in video (example, 3 means process every 3rd frame) - max_frames (int): Total number of frames to process before stopping - pattern (string): regexp for objects that will be matched. 'frame_strategy' key below will be applied to only objects that match this pattern - frame_set (string): comma separated frames to read. Example 'alarm,21,31,41,snapshot' Note that if you are specifying frame IDs and using ZM, remember that ZM has a frame buffer Default is 20, I think. So you may want to start at frame 21. - contig_frames_before_error (int): How many contiguous frames should fail before we give up on reading this stream. Default 5 - max_attempts (int): Only for ZM indirection. How many times to retry a failed frame get. Default 1 - sleep_between_attempts (int): Only for ZM indirection. Time to wait before re-trying a failed frame - disable_ssl_cert_check (bool): If True (default) will allow self-signed certs to work - save_frames (boolean): If True, will save frames used in analysis. Default False - save_analyzed_frames (boolean): If True, will save analyzed frames (with boxes). Default False - save_frames_dir (string): Directory to save analyzed frames. Default /tmp - frame_strategy: (string): various conditions to stop matching as below - 'most_models': Match the frame that has matched most models (does not include same model alternatives) (Default) - 'first': Stop at first match - 'most': Match the frame that has the highest number of detected objects - 'most_unique' Match the frame that has the highest number of unique detected objects - resize (int): Width to resize image, default 800 - polygons(object): object # set of polygons that the detected image needs to intersect Returns: - object: representing matched frame, consists of: - box (array): list of bounding boxes for matched frame - label (array): list of labels for matched frame - confidence (array): list of confidences for matched frame - id (int): frame id of matched frame - img (cv2 image): image grab of matched frame - array of objects: - list of boxes,labels,confidences of all frames matched Note: The same frames are not retrieved depending on whether you set ``download`` to ``True`` or ``False``. When set to ``True``, we use OpenCV's frame reading logic and when ``False`` we use ZoneMinder's image.php function which uses time based approximation. Therefore, the retrieve different frame offsets, but I assume they should be reasonably close. """ self.ml_overrides = ml_overrides self.stream_options = options frame_strategy = self.stream_options.get('frame_strategy', 'most_models') all_matches = [] matched_b = [] matched_e = [] matched_l = [] matched_c = [] matched_models = [] matched_frame_id = None matched_images = [] matched_frame_img = None manual_locking = False if len(self.model_sequence) > 1: manual_locking = False self.logger.Debug( 3, 'Using automatic locking as we are switching between models') else: manual_locking = True self.logger.Debug( 3, 'Using manual locking as we are only using one model') for seq in self.model_sequence: self.ml_options[seq]['auto_lock'] = False t = Timer() media = MediaStream(stream, 'video', self.stream_options, logger=self.logger) self.media = media polygons = copy.copy(self.stream_options.get('polygons', [])) # Loops across all frames while self.media.more(): frame = self.media.read() if frame is None: self.logger.Debug(1, 'Ran out of frames to read') break #fname = '/tmp/{}.jpg'.format(self.media.get_last_read_frame()) #print (f'Writing to {fname}') #cv2.imwrite( fname ,frame) self.logger.Debug( 1, 'perf: Starting for frame:{}'.format( self.media.get_last_read_frame())) _labels_in_frame = [] _boxes_in_frame = [] _error_boxes_in_frame = [] _confs_in_frame = [] _models_in_frame = [] # For each frame, loop across all models found = False for seq in self.model_sequence: if seq not in self.ml_overrides.get('model_sequence', seq): self.logger.Debug( 1, 'Skipping {} as it was overridden in ml_overrides'. format(seq)) continue self.logger.Debug( 1, '============ Frame: {} Running {} model in sequence ==================' .format(self.media.get_last_read_frame(), seq)) pre_existing_labels = self.ml_options.get(seq, {}).get( 'general', {}).get('pre_existing_labels') if pre_existing_labels: self.logger.Debug( 2, 'Making sure we have matched one of {} in {} before we proceed' .format(pre_existing_labels, _labels_in_frame)) if not any(x in _labels_in_frame for x in pre_existing_labels): self.logger.Debug( 1, 'Did not find pre existing labels, not running model' ) continue if not self.models.get(seq): try: self._load_models([seq]) if manual_locking: for m in self.models[seq]: m.acquire_lock() except Exception as e: self.logger.Error( 'Error loading model for {}:{}'.format(seq, e)) self.logger.Debug(2, traceback.format_exc()) continue same_model_sequence_strategy = self.ml_options.get( seq, {}).get('general', {}).get('same_model_sequence_strategy', 'first') self.logger.Debug( 3, '{} has a same_model_sequence strategy of {}'.format( seq, same_model_sequence_strategy)) # start of same model iteration _b_best_in_same_model = [] _l_best_in_same_model = [] _c_best_in_same_model = [] _e_best_in_same_model = [] cnt = 1 # For each model, loop across different variations for m in self.models[seq]: self.logger.Debug( 3, '--------- Frame:{} Running variation: #{} -------------' .format(self.media.get_last_read_frame(), cnt)) cnt += 1 try: _b, _l, _c = m.detect(image=frame) self.logger.Debug( 4, 'This model iteration inside {} found: labels: {},conf:{}' .format(seq, _l, _c)) except Exception as e: self.logger.Error('Error running model: {}'.format(e)) self.logger.Debug(2, traceback.format_exc()) continue # Now let's make sure the labels match our pattern _b, _l, _c, _e = self._filter_patterns( seq, _b, _l, _c, polygons) if _e: _e_best_in_same_model.extend(_e) if not len(_l): continue if ((same_model_sequence_strategy == 'first') or ((same_model_sequence_strategy == 'most') and (len(_l) > len(_l_best_in_same_model))) or ((same_model_sequence_strategy == 'most_unique') and (len(set(_l)) > len(set(_l_best_in_same_model))))): _b_best_in_same_model = _b _l_best_in_same_model = _l _c_best_in_same_model = _c _e_best_in_same_model = _e if _l_best_in_same_model and self.stream_options.get( 'save_analyzed_frames' ) and self.media.get_debug_filename(): d = self.stream_options.get('save_frames_dir', '/tmp') f = '{}/{}-analyzed-{}.jpg'.format( d, self.media.get_debug_filename(), media.get_last_read_frame()) self.logger.Debug( 4, 'Saving analyzed frame: {}'.format(f)) a = utils.draw_bbox( frame, _b_best_in_same_model, _l_best_in_same_model, _c_best_in_same_model, self.stream_options.get('polygons')) for _b in _e_best_in_same_model: cv2.rectangle(a, (_b[0], _b[1]), (_b[2], _b[3]), (0, 0, 255), 1) cv2.imwrite(f, a) if (same_model_sequence_strategy == 'first') and len(_b): self.logger.Debug( 3, 'breaking out of same model loop, as matches found and strategy is "first"' ) break # end of same model sequence iteration # at this state x_best_in_model contains the best match across # same model variations if _l_best_in_same_model: found = True _labels_in_frame.extend(_l_best_in_same_model) _boxes_in_frame.extend(_b_best_in_same_model) _confs_in_frame.extend(_c_best_in_same_model) _error_boxes_in_frame.extend(_e_best_in_same_model) _models_in_frame.append(seq) if (frame_strategy == 'first'): self.logger.Debug( 2, 'Breaking out of main model loop as strategy is first' ) break else: self.logger.Debug( 2, 'We did not find any {} matches in frame: {}'.format( seq, self.media.get_last_read_frame())) # end of primary model sequence if found: all_matches.append({ 'frame_id': self.media.get_last_read_frame(), 'boxes': _boxes_in_frame, 'error_boxes': _error_boxes_in_frame, 'labels': _labels_in_frame, 'confidences': _confs_in_frame, 'models': _models_in_frame }) matched_images.append(frame.copy()) if (frame_strategy == 'first'): self.logger.Debug( 2, 'Frame strategy is first, breaking out of frame loop') break # end of while media loop #print ('*********** MATCH_STRATEGY {}'.format(model_match_strategy)) for idx, item in enumerate(all_matches): if ((frame_strategy == 'first') or ((frame_strategy == 'most') and (len(item['labels']) > len(matched_l))) or ((frame_strategy == 'most_models') and (len(item['models']) > len(matched_models))) or ((frame_strategy == 'most_unique') and (len(set(item['labels'])) > len(set(matched_l))))): matched_b = item['boxes'] matched_e = item['error_boxes'] matched_c = item['confidences'] matched_l = item['labels'] matched_frame_id = item['frame_id'] matched_models = item['models'] matched_frame_img = matched_images[idx] if manual_locking: for seq in self.model_sequence: for m in self.models[seq]: m.release_lock() diff_time = t.stop_and_get_ms() self.logger.Debug( 1, 'perf: TOTAL detection sequence (with image loads) took: {} to process {}' .format(diff_time, stream)) self.media.stop() matched_data = { 'boxes': matched_b, 'error_boxes': matched_e, 'labels': matched_l, 'confidences': matched_c, 'frame_id': matched_frame_id, 'image_dimensions': self.media.image_dimensions(), #'type': matched_type, 'image': matched_frame_img, 'polygons': polygons } # if invoked again, we need to resize polys self.has_rescaled = False return matched_data, all_matches