Why ceres? 为什么起名为Ceres呢？
Ceres-Solver可以用来解什么问题：
- Non-linear Least Squares problems with bounds constraints, 带边界约束的非线性最小二乘问题
- general unconstrained optimization problems, 一般的无约束优化问题
Ceres-Solver可以用于哪些领域：
- fitting complicated curves in statistics
- constructing 3D models from photographs in computer vision
Ceres-Solver用于哪些项目：
- http://ceres-solver.org/users.html
- 广泛用于多视图几何、SLAM和三维重建等领域