if emotion_text == 'angry':
                color = emotion_probability * np.asarray((255, 0, 0))
            elif emotion_text == 'sad':
                color = emotion_probability * np.asarray((0, 0, 255))
            elif emotion_text == 'happy':
                color = emotion_probability * np.asarray((255, 255, 0))
            elif emotion_text == 'surprise':
                color = emotion_probability * np.asarray((0, 255, 255))
            else:
                color = emotion_probability * np.asarray((0, 255, 0))

            color = color.astype(int)
            color = color.tolist()

            draw_bounding_box(face_coordinates, rgb_image, color)
            draw_text(face_coordinates, rgb_image, emotion_mode, color, 0, -45,
                      1, 1)

        bgr_image = cv2.cvtColor(rgb_image, cv2.COLOR_RGB2BGR)
        if count < 10000:
            cv2.imwrite("pic_save/%d_%s" % (count, emotion_mode) + '.jpg',
                        bgr_image)
        cv2.imshow('window_frame', bgr_image)
        if cv2.waitKey(2) & 0xFF == ord('q'):
            break
        stream.truncate()
        stream.seek(0)
print("\n [INFO] Exiting program and cleanup stuff")
#video_capture.release()
camera.close()
Esempio n. 2
0
def emotion():
    # parameters for loading data and images
    emotion_text = ""
    detection_model_path = '../trained_models/detection_models/haarcascade_frontalface_default.xml'
    emotion_model_path = '../trained_models/emotion_models/fer2013_mini_XCEPTION.102-0.66.hdf5'
    emotion_labels = get_labels('fer2013')

    # hyper-parameters for bounding boxes shape
    frame_window = 10
    emotion_offsets = (20, 40)

    # loading models
    face_detection = load_detection_model(detection_model_path)
    emotion_classifier = load_model(emotion_model_path, compile=False)

    # getting input model shapes for inference
    emotion_target_size = emotion_classifier.input_shape[1:3]

    # starting lists for calculating modes
    emotion_window = []

    # starting video streaming
    cv2.namedWindow('window_frame')
    video_capture = cv2.VideoCapture(0)
    while True:
        bgr_image = video_capture.read()[1]
        gray_image = cv2.cvtColor(bgr_image, cv2.COLOR_BGR2GRAY)
        rgb_image = cv2.cvtColor(bgr_image, cv2.COLOR_BGR2RGB)
        faces = detect_faces(face_detection, gray_image)

        for face_coordinates in faces:

            x1, x2, y1, y2 = apply_offsets(face_coordinates, emotion_offsets)
            gray_face = gray_image[y1:y2, x1:x2]
            try:
                gray_face = cv2.resize(gray_face, (emotion_target_size))
            except:
                continue

            gray_face = preprocess_input(gray_face, True)
            gray_face = np.expand_dims(gray_face, 0)
            gray_face = np.expand_dims(gray_face, -1)
            emotion_prediction = emotion_classifier.predict(gray_face)
            emotion_probability = np.max(emotion_prediction)
            emotion_label_arg = np.argmax(emotion_prediction)
            emotion_text = emotion_labels[emotion_label_arg]
            emotion_window.append(emotion_text)

            if len(emotion_window) > frame_window:
                emotion_window.pop(0)
            try:
                emotion_mode = mode(emotion_window)
            except:
                continue

            if emotion_text == 'angry':
                color = emotion_probability * np.asarray((255, 0, 0))
            elif emotion_text == 'sad':
                color = emotion_probability * np.asarray((0, 0, 255))
            elif emotion_text == 'happy':
                color = emotion_probability * np.asarray((255, 255, 0))
            elif emotion_text == 'surprise':
                color = emotion_probability * np.asarray((0, 255, 255))
            else:
                color = emotion_probability * np.asarray((0, 255, 0))

            color = color.astype(int)
            color = color.tolist()

            draw_bounding_box(face_coordinates, rgb_image, color)
            draw_text(face_coordinates, rgb_image, emotion_mode, color, 0, -45,
                      1, 1)

        if (emotion_text):
            return emotion_text
            break

        bgr_image = cv2.cvtColor(rgb_image, cv2.COLOR_RGB2BGR)
        cv2.imshow('window_frame', bgr_image)
        if cv2.waitKey(1) & 0xFF == ord('q'):
            break