def setup_inference(config, weights,threshold=0.3, path=None): #added for compatibility with < 0.5.7 versions try: input_size = config['model']['input_size'][:] except: input_size = [config['model']['input_size'],config['model']['input_size']] """make directory to save inference results """ dirname = os.path.join(os.path.dirname(weights),'Inference_results') if os.path.isdir(dirname): print("Folder {} is already exists. Image files in directory might be overwritten".format(dirname)) else: print("Folder {} is created.".format(dirname)) os.makedirs(dirname) if config['model']['type']=='SegNet': print('Segmentation') # 1. Construct the model segnet = create_segnet(config['model']['architecture'], input_size, config['model']['n_classes']) # 2. Load the pretrained weights (if any) segnet.load_weights(weights) predict_multiple(segnet._network, inp_dir=config['train']['valid_image_folder'], out_dir=dirname, overlay_img=True) print(evaluate(segnet._network, inp_images_dir=config['train']['valid_image_folder'], annotations_dir=config['train']['valid_annot_folder'])) if config['model']['type']=='Classifier': print('Classifier') if config['model']['labels']: labels = config['model']['labels'] else: labels = get_labels(config['train']['train_image_folder']) # 1.Construct the model classifier = create_classifier(config['model']['architecture'], labels, input_size, config['model']['fully-connected'], config['model']['dropout']) # 2. Load the pretrained weights (if any) classifier.load_weights(weights) font = cv2.FONT_HERSHEY_SIMPLEX valid_image_folder = config['train']['valid_image_folder'] image_files_list = glob.glob(valid_image_folder + '/**/*.jpg', recursive=True) inference_time = [] for filename in image_files_list: output_path = os.path.join(dirname, os.path.basename(filename)) orig_image, input_image = prepare_image(filename, classifier) prediction_time, img_class, prob = classifier.predict(input_image) inference_time.append(prediction_time) print(orig_image.shape) cv2.putText(orig_image, "{}:{:.2f}".format(img_class[0], prob[0]), (10,30), font, orig_image.shape[1]/700 , (0, 0, 255), 2, True) cv2.imwrite(output_path, orig_image) show_image(output_path) print("{}:{}".format(img_class[0], prob[0])) if len(inference_time)>1: print("Average prediction time:{} ms".format(sum(inference_time[1:])/len(inference_time[1:]))) if config['model']['type']=='Detector': # 2. create yolo instance & predict yolo = create_yolo(config['model']['architecture'], config['model']['labels'], input_size, config['model']['anchors']) yolo.load_weights(weights) # 3. read image annotations = parse_annotation(config['train']['valid_annot_folder'], config['train']['valid_image_folder'], config['model']['labels'], is_only_detect=config['train']['is_only_detect']) n_true_positives = 0 n_truth = 0 n_pred = 0 inference_time = [] for i in range(len(annotations)): img_path = annotations.fname(i) img_fname = os.path.basename(img_path) true_boxes = annotations.boxes(i) true_labels = annotations.code_labels(i) orig_image, input_image = prepare_image(img_path, yolo) height, width = orig_image.shape[:2] prediction_time, boxes, probs = yolo.predict(input_image, height, width, float(threshold)) inference_time.append(prediction_time) labels = np.argmax(probs, axis=1) if len(probs) > 0 else [] # 4. save detection result orig_image = draw_scaled_boxes(orig_image, boxes, probs, config['model']['labels']) output_path = os.path.join(dirname, os.path.split(img_fname)[-1]) cv2.imwrite(output_path, orig_image) print("{}-boxes are detected. {} saved.".format(len(boxes), output_path)) show_image(output_path) n_true_positives += count_true_positives(boxes, true_boxes, labels, true_labels) n_truth += len(true_boxes) n_pred += len(boxes) print(calc_score(n_true_positives, n_truth, n_pred)) if len(inference_time)>1: print("Average prediction time:{} ms".format(sum(inference_time[1:])/len(inference_time[1:])))
def setup_inference(config, weights, threshold=0.3, path=None, dataset="testing"): #added for compatibility with < 0.5.7 versions try: input_size = config['model']['input_size'][:] except: input_size = [ config['model']['input_size'], config['model']['input_size'] ] """make directory to save inference results """ dirname = os.path.join(os.path.dirname(weights), 'Inference_results') if os.path.isdir(dirname): print( "Folder {} is already exists. Image files in directory might be overwritten" .format(dirname)) else: print("Folder {} is created.".format(dirname)) os.makedirs(dirname) if config['model']['type'] == 'Detector': # 2. create yolo instance & predict yolo = create_yolo(config['model']['architecture'], config['model']['labels'], input_size, config['model']['anchors']) yolo.load_weights(weights) # 3. read image # 3. read image if dataset == 'testing': print("the dataset used for testing is:", config['test']['test_image_folder'], " the annotations are: ", config['test']['test_label_folder']) # added testing directly in configuration annotations = parse_annotation( config['test']['test_label_folder'], config['test']['test_image_folder'], config['model']['labels'], is_only_detect=config['train']['is_only_detect']) else: print("the dataset used for testing is:", config['train']['valid_image_folder'], " the annotations are: ", config['train']['valid_annot_folder']) annotations = parse_annotation( config['train']['valid_annot_folder'], config['train']['valid_image_folder'], config['model']['labels'], is_only_detect=config['train']['is_only_detect']) n_true_positives = 0 n_truth = 0 n_pred = 0 inference_time = [] for i in range(len(annotations)): img_path = annotations.fname(i) img_fname = os.path.basename(img_path) true_boxes = annotations.boxes(i) true_labels = annotations.code_labels(i) orig_image, input_image = prepare_image(img_path, yolo) height, width = orig_image.shape[:2] prediction_time, boxes, probs = yolo.predict( input_image, height, width, float(threshold)) inference_time.append(prediction_time) labels = np.argmax(probs, axis=1) if len(probs) > 0 else [] # 4. save detection result orig_image = draw_scaled_boxes(orig_image, boxes, probs, config['model']['labels']) output_path = os.path.join(dirname, os.path.split(img_fname)[-1]) cv2.imwrite(output_path, orig_image) print("{}-boxes are detected. {} saved.".format( len(boxes), output_path)) show_image(output_path) n_true_positives += count_true_positives(boxes, true_boxes, labels, true_labels) n_truth += len(true_boxes) n_pred += len(boxes) print(calc_score(n_true_positives, n_truth, n_pred)) if len(inference_time) > 1: print("Average prediction time:{} ms".format( sum(inference_time[1:]) / len(inference_time[1:])))
def setup_evaluation(config, weights, threshold=0.3, path=None): try: matplotlib.use('TkAgg') except: pass #added for compatibility with < 0.5.7 versions try: input_size = config['model']['input_size'][:] except: input_size = [ config['model']['input_size'], config['model']['input_size'] ] """make directory to save inference results """ dirname = os.path.join(os.path.dirname(weights), 'Evaluation_results') if os.path.isdir(dirname): print( "Folder {} is already exists. Image files in directory might be overwritten" .format(dirname)) else: print("Folder {} is created.".format(dirname)) os.makedirs(dirname) if config['model']['type'] == 'SegNet': print('Segmentation') # 1. Construct the model segnet = create_segnet(config['model']['architecture'], input_size, config['model']['n_classes']) # 2. Load the pretrained weights (if any) segnet.load_weights(weights) for filename in os.listdir(config['train']['valid_image_folder']): filepath = os.path.join(config['train']['valid_image_folder'], filename) orig_image, input_image = prepare_image(filepath, segnet) output_path = os.path.join(dirname, os.path.basename(filename)) predict(model=segnet._network, inp=input_image, image=orig_image, out_fname=output_path) #show_image(output_path) if config['model']['type'] == 'Classifier': print('Classifier') if config['model']['labels']: labels = config['model']['labels'] else: labels = get_labels(config['train']['train_image_folder']) # 1.Construct the model classifier = create_classifier(config['model']['architecture'], labels, input_size, config['model']['fully-connected'], config['model']['dropout']) # 2. Load the pretrained weights (if any) classifier.load_weights(weights) font = cv2.FONT_HERSHEY_SIMPLEX valid_image_folder = config['train']['valid_image_folder'] image_files_list = glob.glob(valid_image_folder + '/**/*.jpg', recursive=True) inference_time = [] for filename in image_files_list: output_path = os.path.join(dirname, os.path.basename(filename)) orig_image, input_image = prepare_image(filename, classifier) prediction_time, img_class, prob = classifier.predict(input_image) inference_time.append(prediction_time) # label shape and colorization text = "{}:{:.2f}".format(img_class[0], prob[0]) background_color = (70, 120, 70 ) # grayish green background for text text_color = (255, 255, 255) # white text size = cv2.getTextSize(text, cv2.FONT_HERSHEY_SIMPLEX, 0.5, 1)[0] left = 10 top = 30 - size[1] right = left + size[0] bottom = top + size[1] # set up the colored rectangle background for text cv2.rectangle(orig_image, (left - 1, top - 5), (right + 1, bottom + 1), background_color, -1) # set up text cv2.putText(orig_image, text, (10, 30), cv2.FONT_HERSHEY_SIMPLEX, 0.5, text_color, 1) cv2.imwrite(output_path, orig_image) #show_image(output_path) print("{}:{}".format(img_class[0], prob[0])) if len(inference_time) > 1: print("Average prediction time:{} ms".format( sum(inference_time[1:]) / len(inference_time[1:]))) if config['model']['type'] == 'Detector': # 2. create yolo instance & predict yolo = create_yolo(config['model']['architecture'], config['model']['labels'], input_size, config['model']['anchors']) yolo.load_weights(weights) # 3. read image annotations = parse_annotation( config['train']['valid_annot_folder'], config['train']['valid_image_folder'], config['model']['labels'], is_only_detect=config['train']['is_only_detect']) n_true_positives = 0 n_truth = 0 n_pred = 0 inference_time = [] for i in range(len(annotations)): img_path = annotations.fname(i) img_fname = os.path.basename(img_path) true_boxes = annotations.boxes(i) true_labels = annotations.code_labels(i) orig_image, input_image = prepare_image(img_path, yolo) height, width = orig_image.shape[:2] prediction_time, boxes, probs = yolo.predict( input_image, height, width, float(threshold)) inference_time.append(prediction_time) labels = np.argmax(probs, axis=1) if len(probs) > 0 else [] # 4. save detection result orig_image = draw_boxes(orig_image, boxes, probs, config['model']['labels']) output_path = os.path.join(dirname, os.path.split(img_fname)[-1]) cv2.imwrite(output_path, orig_image) print("{}-boxes are detected. {} saved.".format( len(boxes), output_path)) #show_image(output_path) n_true_positives += count_true_positives(boxes, true_boxes, labels, true_labels) n_truth += len(true_boxes) n_pred += len(boxes) print(calc_score(n_true_positives, n_truth, n_pred)) if len(inference_time) > 1: print("Average prediction time:{} ms".format( sum(inference_time[1:]) / len(inference_time[1:])))