Maximum-likelihood soft-decision decoding of linear block codes is addressed. A binary multiple-check generalization of the Wagner rule is presented, and two methods for its implementation, one of ...

ATTENTION Always use this package in portrait mode. There is a bug in the camera plugin that sometimes the image is rotated 90 degrees, to avoid this problem, you can use the imageDecodeOrientation ...

We propose differential space time block codes (STBC) using nonconstant modulus constellations, e.g., quadrature amplitude modulation (QAM), which cannot be utilized in the conventional differential ...

Developed in 1994 by the Japanese company Denso Wave, QR codes were initially used in manufacturing but have since expanded across industries due to their versatility. How Does a QR Code Scanner Work?

QR & Bar Code Scanner Plus is an app that helps you to scan and generate QR codes from various sources. It can generate QR codes from text, contacts, apps, bookmarks, and clipboard. The app has a ...

QR codes are dead, an internet marketing strategist wrote in AdAge in 2013. The murderer: "easier-to-use apps." And yet, four years later, that isn't the case.

The automatic trust on these squares is exactly what makes them dangerous, says cybersecurity expert Ashish Jha. "Many people scan QR codes without verifying their source or previewing the URL—an ...

Scam QR parking codes in Gettysburg: Officials warn visitors to not scan them All official parking payment methods are "clearly marked," and do not contain QR codes, the release said.