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PDF files have become ubiquitous in our multi-platform world. This convenient file format makes it possible to view and share documents across various devices using various operating systems and ...

Converts every page of a given PDF file into an image-based page and applies random askew and brightness (very mild) effects to simulate the appearance of scanned documents. The resulting pages are ...

2025年11月中旬，上海某科技公司市场部员工小林在工位上收到一封邮件，主题是：“您的包裹已到，请扫码取件”。邮件正文简洁，仅附有一张图片——一个黑白相间的二维码，下方标注“顺丰速运”。 她没多想，掏出手机，打开原生相机对准屏幕。几秒后，手机自动跳转至一个看似顺丰官网的页面，要求输入手机号和验证码以“确认身份”。她照做了。当天下午，她的企业邮箱开始向外群发带有恶意附件的邮件。 IT部门紧急排查发现 ...

Abstract: This is an introductory textbook for teachers, students, professionals, and hobbyists who want to learn the basics of computer vision. The book is completely based around the OpenCV library, ...

Stanford University has one of the largest campuses in the US and is one of the most prestigious universities in the world. It was established in 1885 and opened six years later as a co-educational ...