zbar 做了一些预处理,但不会检测QR码,你可以使用 zbarimg image.jpg 进行测试。 好的二值化 在这里是有用的。我使用 Kraken 库的 kraken.binarization.nlbin() 函数使其工作。该库是用于OCR的,但通过使用非线性处理,也非常适用于QR码。Kraken 二值化代码在这里。 以下是示例代码: from kraken import binariza...
importqrcode# 创建QRCode对象qr=qrcode.QRCode(version=1,# 控制二维码的大小error_correction=qrcode.constants.ERROR_CORRECT_L,# 容错率box_size=10,# 每个小格的像素大小border=4,# 边框的大小)# 添加要编码的信息qr.add_data(' qr.make(fit=True)# 生成图像img=qr.make_image(fill_color="black",b...
Or in Python: importqrcodefromqrcode.image.pureimportPyPNGImageimg=qrcode.make('Some data here',image_factory=PyPNGImage) Works only withversions>=7.2 (SVG styled images require 7.4). To apply styles to the QRCode, use theStyledPilImageor one of the standardSVGimage factories. These accept...
There are different libraries that can help you modify the EXIF data of a JPEG file in Python. Some of them are: piexif: This library allows you to read, write, and modify EXIF data in JPEG and TIFF images.You can install it usingpip install piexifand use it like this1: 1 2 3 4...
The service also produces QR codes. For example,https://quickchart.io/qr?text=Hello+worldproduces: The/qrendpoint has the following query parameters: text- QR code data (required) format- png or svg (png default) size- size in pixels of one side of the square image (defaults to 150) ...
Practical Python and OpenCV is a non-intimidating introduction to basic image processing tasks in Python. While reading the book, it feels as if Adrian is right next to you, helping you understand the many code examples without getting lost in mathematical details. ...
Here is a test image containing multiple QR codes:We can write a Python program to compare the QR code decoding performance based on different parameter templates:import cv2 as cv import numpy as np import time from dbr import * import os reader = BarcodeReader() # Apply for a trial ...
Использованиепользовательскогосоединителя СозданиеподключаемогомодуляИИдлясоединителя (предварительнаяверсия) ...
BARCODE READER QR CODE CAMERA IMAGE PROCESSING PYTHON OPENCV Image Processing Techniques for OCR Apr 05, 2021 OCR We need to use OCR in various scenarios, whether we want to scan the credit card number with our phone or extract text from documents. Dynamsoft Labe...
V100上测速条件:针对Nvidia GPU V100,使用PaddleInference预测库的Python API,开启TensorRT加速,数据类型是FP32,输入图像维度是1x3x1024x2048。 超轻量级语义分割模型 超轻量级模型,分割mIoU一般、推理算量低,适合部署在服务器端X86 CPU和移动端ARM CPU。