实现六自由度运动学逆解算法，包括最小二乘法、SVM、神经网络、1_k近邻法,实现了图像的加水印，去噪，加噪声等功能。- Six degrees of freedom to achieve inverse kinematics algorithm, Including the least squares method, the SVM, neural networks, 1 _k neighbor method, Realize image watermarking, de-noising, pl