A line preserving term is added to the NISwGSP algorithm to protect the typical line structure from being distorted by the mesh deformation process.
Reference:
He C, Zhou J . Mesh-based image stitching algorithm with linear structure protection[J]. Journal of Image and Graphics, 2018, 23(7): 973-983.
直线检测与采样结果：
 |
 |
运行结果：
 NISwGSP |
 NISwGSP_line |
NISwGSP |
 NISwGSP_line |
 NISwGSP |
 NISwGSP_line(交互方式下) |
 NISwGSP |
 NISwGSP_line(交互方式下) |