用VC开发的一个二维码编解码程序，支持PDF417,QR等编码-VC developed with a two-dimensional encoding and decoding procedures, support PDF417, QR code, etc.

QR Research 1.0 PC版（PC二维码工具,支持摄像头） 1.改进解码算法，实现超强解码； 2.采用图像融合算法，生成梦幻二维码；. -1 Improved QR Research 1.0 PC version (PC dimensional code tools, support camera) decoding algorithm to achieve superior decoding 2 using image fusion algorithm to generat

带双步的QR分解方法求所有特征值，以及反幂法求解对应特征向量-two-steps-qr-descomposure to solve all eigenvalues of a matrix. and antipower method to solve a engenvector correspongding to the eigenvalue