• 大小: 9.31MB
    文件类型: .zip
    金币: 1
    下载: 0 次
    发布日期: 2023-10-22
  • 语言: Python
  • 标签: 表情识别  

资源简介

代码基于python3和opencv框架,可能需要安装所需的module; 功能描述 --实现笔记本摄像头获取人脸的面部表情识别,happy,angry,neural,sad.. --实现指定路径下视频中人脸的识别.. 验证成功,未做改动,源自github

资源截图

代码片段和文件信息

import cv2
import numpy as np
from keras.models import load_model
from statistics import mode
from utils.datasets import get_labels
from utils.inference import detect_faces
from utils.inference import draw_text
from utils.inference import draw_bounding_box
from utils.inference import apply_offsets
from utils.inference import load_detection_model
from utils.preprocessor import preprocess_input

USE_WEBCAM = True # If false loads video file source

# parameters for loading data and images
emotion_model_path = ‘./models/emotion_model.hdf5‘
emotion_labels = get_labels(‘fer2013‘)

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

# loading models
face_cascade = cv2.CascadeClassifier(‘./models/haarcascade_frontalface_default.xml‘)
emotion_classifier = load_model(emotion_model_path)

# 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)

# Select video or webcam feed
cap = None
if (USE_WEBCAM == True):
    cap = cv2.VideoCapture(0) # Webcam source
else:
    cap = cv2.VideoCapture(‘./demo/dinner.mp4‘) # Video file source

while cap.isOpened(): # True:
    ret bgr_image = cap.read()

    #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 = face_cascade.detectMultiScale(gray_image scaleFactor=1.1 minNeighbors=5
minSize=(30 30) flags=cv2.CASCADE_SCALE_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_probab

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2018-01-17 00:38  Emotion-master\
     文件        1068  2018-01-17 00:38  Emotion-master\LICENSE
     文件         881  2018-01-17 00:38  Emotion-master\README.md
     目录           0  2018-01-17 00:38  Emotion-master\demo\
     文件     5408300  2018-01-17 00:38  Emotion-master\demo\demo.gif
     文件     2613425  2018-01-17 00:38  Emotion-master\demo\dinner.mp4
     文件      980831  2018-01-17 00:38  Emotion-master\demo\report.pdf
     文件        3458  2018-01-17 00:38  Emotion-master\emotions.py
     目录           0  2018-01-17 00:38  Emotion-master\models\
     文件      872856  2018-01-17 00:38  Emotion-master\models\emotion_model.hdf5
     文件      930127  2018-01-17 00:38  Emotion-master\models\haarcascade_frontalface_default.xml
     目录           0  2018-01-17 00:38  Emotion-master\utils\
     文件           0  2018-01-17 00:38  Emotion-master\utils\__init__.py
     文件         149  2018-01-17 00:38  Emotion-master\utils\__init__.pyc
     目录           0  2018-01-17 00:38  Emotion-master\utils\__pycache__\
     文件         145  2018-01-17 00:38  Emotion-master\utils\__pycache__\__init__.cpython-36.pyc
     文件        5076  2018-01-17 00:38  Emotion-master\utils\__pycache__\datasets.cpython-36.pyc
     文件        1778  2018-01-17 00:38  Emotion-master\utils\__pycache__\inference.cpython-36.pyc
     文件         966  2018-01-17 00:38  Emotion-master\utils\__pycache__\preprocessor.cpython-36.pyc
     文件       10257  2018-01-17 00:38  Emotion-master\utils\data_augmentation.py
     文件        5855  2018-01-17 00:38  Emotion-master\utils\datasets.py
     文件        6495  2018-01-17 00:38  Emotion-master\utils\datasets.pyc
     文件        6693  2018-01-17 00:38  Emotion-master\utils\grad_cam.py
     文件        1368  2018-01-17 00:38  Emotion-master\utils\inference.py
     文件        2509  2018-01-17 00:38  Emotion-master\utils\inference.pyc
     文件         642  2018-01-17 00:38  Emotion-master\utils\preprocessor.py
     文件        1375  2018-01-17 00:38  Emotion-master\utils\preprocessor.pyc
     文件        6368  2018-01-17 00:38  Emotion-master\utils\visualizer.py

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