块拼接技术的改进及其在纹理传输中的应用

为了改善块拼接纹理合成图片在接缝处不平滑的现象，以及为了证明纹理传输约束的多样性，文中提出了一种改进的块拼接纹理合成技术，并把这种技术应用到了纹理传输中。文中对块拼接技术中最小切割路径的计算加入梯度结构信息，并且在选择匹配块时综合考虑重叠区域累计误差和最小切割路径，此外将改进的块拼接技术应用到纹理传输上，并对传输过程中依据的约束量的多样性进行探究。实验结果表明，改进的块拼接技术能够获得视觉上更好的合成结果，接缝处更加流畅连续，此外也验证了纹理传输中依据的两幅图像的对应约束量是多样的并不是单一的。

An Improved Technique of Image Quilting and Application in Texture Transfer

In order to improve the phenomenon of image quilting texture synthesis results no smooth in seams and prove the diversity of constraint quantities in texture transfer,propose an improved technique of image quilting texture synthesis,and apply it into texture transfer. Add the calculation of minimum error boundary cut in the gradient structure information,and consider both sum of the square difference and minimum error boundary cut when selecting matching patch. The improved technique is used to texture transfer,and probe the diversity of constraint quantities in texture transfer. The results show that the improved image quilting technique can obtain better synthesis results visually and seams are smoother. In addition,the results also prove the diversity of corresponding constraint quantities from two images.