def decode_qr_code_from_camera(): # 打开摄像头 cap = cv2.VideoCapture(0) while True: # 读取帧 ret, frame = cap.read() # 解码二维码 decoded_objects = pyzbar.decode(frame) # 在图像上绘制解码结果 for obj in decoded_objects: points = obj.polygon if len(points) > 4: hull = cv2.con...
2.打开摄像头,实时读码,显示读码位置和读码信息。 importcv2frompyzbarimportpyzbardefscan_qrcode():# 打开摄像头cap=cv2.VideoCapture(0)ifnotcap.isOpened():print("无法打开摄像头")returnprint("摄像头已打开,开始实时扫码...")try:whileTrue:# 读取摄像头帧ret,frame=cap.read()ifnotret:print("无法读...
cv2.waitKey(0)cv2.destroyAllWindows()defuse_camera(self):cap=cv2.VideoCapture(0)whileTrue:ret,frame=cap.read()decoded_objects=decode(frame)forobjindecoded_objects:self.label.setText("QR Code Data: "+obj.data.decode("utf-8"))cv2.imshow("Camera",frame)ifcv2.waitKey(1)&0xFF==ord('q'...
camera=cv2.VideoCapture(0)whileTrue:#读取当前帧ret, frame =camera.read()#转为灰度图像gray =cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY) im=decodeDisplay(gray) cv2.waitKey(5) cv2.imshow("camera", im) camera.release() cv2.destroyAllWindows()if__name__=='__main__': detect()...
read() if not ret: break # 解码条形码 frame = decode_barcodes(frame) # 显示结果 cv2.imshow('Barcode/QR code reader', frame) # 按 'q' 键退出循环 if cv2.waitKey(1) & 0xFF == ord('q'): break # 释放摄像头并关闭窗口 camera.release() cv2.destroyAllWindows() if __name__ == ...
59 cv2.namedWindow("camera",cv2.WINDOW_NORMAL) 60 camera = cv2.VideoCapture(0) 61 62 while True: 63 # 读取当前帧 64 ret, frame = camera.read() 65 #print(ret.shape) 66 decodeDisplay(frame) 67 68 if(cv2.waitKey(5)==27):
from PIL import Image import qrcode # 初步生成二维码图像 qr = qrcode.QRCode(version=5,error_correction=qrcode.constants.ERROR_CORRECT_H,box_size=8,border=4) qr.add_data("http://www.cnblogs.com/sfnz/") qr.make(fit=True) # 获得Image实例并把颜色模式转换为RGBA ...
二维条码简称为二维码,常见的二维码为QR Code,QR全称Quick Response,是一个近几年来移动设备上超流行的一种编码方式,它比传统的Bar Code条形码能存更多的信息,也能表示更多的数据类型。 三维条码: 三维条码具有更大的信息容量、相同的识别便易性和较好的安全性。三维码的主要特征在于利用色彩或灰度(或称黑密度)表示...
BARCODE READER QR CODE CAMERA IMAGE PROCESSING PYTHON OPENCV Email Documents Scanned with Dynamic Web TWAIN Jul 06, 2021 Document Scanning Email is a convenient way to send scanned documents. The ability to send emails is built into many network scanners. For example...
Decode the WebP image and read barcodes from it. intwidth,height;WebPGetInfo(webp_data.bytes,webp_data.size,&width,&height);WebPDecBufferoutput;GetRGBAInfo(webp_data.bytes,webp_data.size,&width,&height,&output);DBR_DecodeBuffer(reader,output.u.RGBA.rgba,width,height,output.u.RGBA.stride,...