Datasets:
Download lazy1/main.py from Beifengdo/Multimedia-Technology: direct link, hf CLI and curl.
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- Download file 9.56 kB
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https://huggingface.co/datasets/Beifengdo/Multimedia-Technology/resolve/main/lazy1/main.py
- Command line
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hf download hf://datasets/Beifengdo/Multimedia-Technology/lazy1/main.py
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curl -L -o main.py https://huggingface.co/datasets/Beifengdo/Multimedia-Technology/resolve/main/lazy1/main.py
9.56 kB
| #导入相关包 | |
| import PySimpleGUI as sg | |
| import numpy as np | |
| import cv2 | |
| from predict import * | |
| # 打开内置摄像头 | |
| cap = cv2.VideoCapture(0) | |
| # 背景色 | |
| sg.theme('Reddit') | |
| # 定义窗口布局,创建不同功能的按钮 | |
| layout = [ | |
| [sg.Image(filename='', key='image')], | |
| [sg.Radio('默认状态', 'Radio', True, size=(10, 1))], | |
| [sg.Radio('阈值二值化', 'Radio', size=(10, 1), key='thresh'), | |
| sg.Slider((0, 255), 128, 1, orientation='h', size=(40, 15), key='thresh_slider')], | |
| [sg.Radio('边缘检测', 'Radio', size=(10, 1), key='canny'), | |
| sg.Slider((0, 255), 128, 1, orientation='h', size=(20, 15), key='canny_slider_a'), | |
| sg.Slider((0, 255), 128, 1, orientation='h', size=(20, 15), key='canny_slider_b'), | |
| sg.Checkbox('加入降噪',key='gass'), | |
| ], | |
| [sg.Radio('轮廓检测', 'Radio', size=(10, 1), key='contour'), | |
| sg.Slider((0, 255), 127, 1, orientation='h', size=(40, 15), key='base_slider')], | |
| [sg.Radio('高斯滤波', 'Radio', size=(10, 1), key='blur'), | |
| sg.Slider((1, 11), 1, 1, orientation='h', size=(40, 15), key='blur_slider'), | |
| sg.Checkbox('线性滤波', key='line'), | |
| ], | |
| [sg.Radio('色彩转换', 'Radio', size=(10, 1), key='hue'), | |
| sg.Slider((0, 225), 0, 1, orientation='h', size=(40, 15), key='hue_slider')], | |
| [sg.Radio('调节对比度', 'Radio', size=(10, 1), key='enhance'), | |
| sg.Slider((1, 255), 128, 1, orientation='h', size=(40, 15), key='enhance_slider')], | |
| [sg.Radio('人脸识别','Radio',size=(10,1),key='face'), sg.Radio('笑脸识别','Radio',size=(10,1),key='smile')], | |
| [sg.Radio('强化识别','Radio',size=(10,1),key='Big')], | |
| [sg.Button('Exit', size=(10, 1))] | |
| ] | |
| # 窗口设计 | |
| window = sg.Window('实时图像处理系统', | |
| layout, | |
| location=(500, 500), | |
| finalize=True, | |
| font='宋体', | |
| ) | |
| # 导入识别模型 | |
| face_cascade = cv2.CascadeClassifier(cv2.data.haarcascades + 'haarcascade_frontalface_default.xml') | |
| eye_cascade = cv2.CascadeClassifier(cv2.data.haarcascades + 'haarcascade_eye.xml') | |
| smile_cascade = cv2.CascadeClassifier(cv2.data.haarcascades + 'haarcascade_smile.xml') | |
| ##主体部分 | |
| while True: | |
| event, values = window.read(timeout=0, timeout_key='timeout') | |
| # 实时读取图像,逐帧捕获 | |
| ret, frame = cap.read() | |
| ###########阈值二分类############# | |
| if values['thresh']: | |
| frame = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY) | |
| #该函数有两个输出,只取第二个,为阈值之后的图像 | |
| frame = cv2.threshold(frame, values['thresh_slider'], 255, cv2.THRESH_BINARY)[1] | |
| ###########边缘检测############# | |
| if values['canny']: | |
| if values['gass']: | |
| # 加入降噪 | |
| frame = cv2.GaussianBlur(frame, (5, 5), 0) | |
| #不加入降噪 | |
| frame = cv2.Canny(frame, values['canny_slider_a'], values['canny_slider_b']) | |
| ###########轮廓检测############# | |
| if values['contour']: | |
| #需要先转化为二值图 | |
| gray= cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY) | |
| gray=cv2.threshold(gray,values['base_slider'],255,cv2.THRESH_BINARY)[1] | |
| #21维的高斯滤波降噪 | |
| hue = cv2.GaussianBlur(gray, (21, 21), 1) | |
| #三个参数,输入图像、层次类型、轮廓逼近方法,第一个返回值为修改后的图像,也就是轮廓 | |
| cnts = cv2.findContours(hue, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)[0] | |
| #绘制轮廓,cnt为存储了多个轮廓的数组,color代表线条的颜色, | |
| cv2.drawContours(frame, cnts, -1, (0, 0, 255), 3) | |
| ###########轮廓检测############# | |
| if values['blur']: | |
| #高斯滤波 | |
| frame = cv2.GaussianBlur(frame, (21, 21), values['blur_slider']) | |
| if values['line']: | |
| kernel=np.ones((5,5),np.float32)/25 | |
| frame=cv2.filter2D(frame,-1,kernel) | |
| ###########颜色转换############# | |
| if values['hue']: | |
| frame = cv2.cvtColor(frame, cv2.COLOR_BGR2YCrCb) | |
| frame[:, :, 0] += int(values['hue_slider']) | |
| #再映射回RGB空间 | |
| frame = cv2.cvtColor(frame, cv2.COLOR_HSV2BGR) | |
| ###########调节对比度############# | |
| if values['enhance']: | |
| ##得到一个提高度 | |
| enh_val = values['enhance_slider'] / 40 | |
| #直方图均衡化的函数进行实例化,选择(8,8)的网格 | |
| clahe = cv2.createCLAHE(clipLimit=enh_val, tileGridSize=(8, 8)) | |
| lab = cv2.cvtColor(frame, cv2.COLOR_BGR2LAB) | |
| #将这个函数应用到当前图像上,得到最终图像 | |
| lab[:, :, 0] = clahe.apply(lab[:, :, 0]) | |
| frame = cv2.cvtColor(lab, cv2.COLOR_LAB2BGR) | |
| ###########人脸识别################## | |
| if values['face']: | |
| #导入分类函数,找到人脸的大致位置 | |
| faces = face_cascade.detectMultiScale(frame, 1.3, 2) | |
| for (x, y, w, h) in faces: | |
| # 画出人脸框,蓝色,画笔宽度微 | |
| face = cv2.rectangle(frame, (x, y), (x + w, y + h), (255, 0, 0), 2) | |
| # 框选出人脸区域,在人脸区域而不是全图中进行人眼检测,节省计算资源 | |
| face_area = face[y:y + h, x:x + w] | |
| ## 人眼检测 | |
| # 用人眼级联分类器引擎在人脸区域进行人眼识别,返回的eyes为眼睛坐标列表 | |
| eyes = eye_cascade.detectMultiScale(face_area, 1.3, 10) | |
| for (ex, ey, ew, eh) in eyes: | |
| # 画出人眼框,绿色,画笔宽度为1 | |
| cv2.rectangle(face_area, (ex, ey), (ex + ew, ey + eh), (0, 255, 0), 1) | |
| ###########笑脸识别############ | |
| if values['smile']: | |
| faces = face_cascade.detectMultiScale(frame, 1.3, 2) | |
| for (x, y, w, h) in faces: | |
| face = cv2.rectangle(frame, (x, y), (x + w, y + h), (255, 0, 0), 2) | |
| face_area = face[y:y + h, x:x + w] | |
| eyes = eye_cascade.detectMultiScale(face_area, 1.3, 10) | |
| for (ex, ey, ew, eh) in eyes: | |
| cv2.rectangle(face_area, (ex, ey), (ex + ew, ey + eh), (0, 255, 0), 1) | |
| ## 微笑检测 | |
| # 用微笑级联分类器引擎在人脸区域进行人眼识别,返回的eyes为眼睛坐标列表 | |
| smiles = smile_cascade.detectMultiScale(face_area, scaleFactor=1.16, minNeighbors=65, minSize=(25, 25), | |
| flags=cv2.CASCADE_SCALE_IMAGE) | |
| for (ex, ey, ew, eh) in smiles: | |
| # 画出微笑框,红色(BGR色彩体系),画笔宽度为1 | |
| cv2.rectangle(face_area, (ex, ey), (ex + ew, ey + eh), (0, 0, 255), 1) | |
| cv2.putText(frame, 'Smile', (x, y - 7), 3, 1.2, (0, 0, 255), 2, cv2.LINE_AA) | |
| ############强化版人脸识别################# | |
| if values['Big']: | |
| #初始化模型 | |
| my_model = keras.models.load_model('D:\model\model.h5') | |
| #转化为灰度图像 | |
| gray=cv2.cvtColor(frame,cv2.COLOR_BGR2GRAY) | |
| # 利用分类器识别出哪个区域为人脸 | |
| faces = face_cascade.detectMultiScale(gray, 1.1, 5) | |
| if len(faces) > 0: | |
| for (x, y, w, h) in faces: | |
| # 截取脸部图像提交给模型识别这是谁 | |
| image = frame[y: y + h, x: x + w] | |
| faceID = face_predict(image, my_model) | |
| # 如果是“我” | |
| if faceID == 0: | |
| cv2.rectangle(frame, (x, y), (x + w, y + h), (0, 255, 0), thickness=2) | |
| # 文字提示是谁 | |
| cv2.putText(frame, 'me', | |
| (x + 30, y + 30), # 坐标 | |
| cv2.FONT_HERSHEY_SIMPLEX, # 字体 | |
| 1, # 字号 | |
| (255, 0, 255), # 颜色 | |
| 2) # 字的线宽 | |
| else: | |
| cv2.rectangle(frame, (x, y), (x + w, y + h), (0, 255, 0), thickness=2) | |
| # 文字提示是谁 | |
| cv2.putText(frame, 'others', | |
| (x + 30, y + 30), # 坐标 | |
| cv2.FONT_HERSHEY_SIMPLEX, # 字体 | |
| 1, # 字号 | |
| (255, 0, 255), # 颜色 | |
| 2) | |
| """ | |
| 暂时停止使用的功能,因为太卡了 | |
| if values['finger']: | |
| skinCrCbHist = np.zeros((256, 256), dtype=np.uint8) | |
| cv2.ellipse(skinCrCbHist, (113, 155), (23, 25), 43, 0, 360, (255, 255, 255), -1) # 绘制椭圆弧线 | |
| YCrCb = cv2.cvtColor(frame, cv2.COLOR_BGR2YCR_CB) # 转换至YCrCb空间 | |
| (y, Cr, Cb) = cv2.split(YCrCb) # 拆分出Y,Cr,Cb值 | |
| skin = np.zeros(Cr.shape, dtype=np.uint8) # 掩膜 | |
| (x, y) = Cr.shape | |
| for i in range(0, x): | |
| for j in range(0, y): | |
| if skinCrCbHist[Cr[i][j], Cb[i][j]] > 0: # 若不在椭圆区间中 | |
| skin[i][j] = 255 | |
| frame= cv2.bitwise_and(frame, frame, mask=skin)""" | |
| if event == 'Exit' or event is None: | |
| break | |
| # GUI实时更新,捕捉当前图像,然后转化为byte形式 | |
| imgbytes = cv2.imencode('.png', frame)[1].tobytes() | |
| # 更新图像 | |
| window['image'].update(data=imgbytes) | |
| #关闭GUI界面 | |
| window.close() | |