fixed vector size mismatch between matched and status vectors

camera_models/readme.md

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+part of [camodocal](https://github.com/hengli/camodocal)
+
+[Google Ceres](http://ceres-solver.org) is needed.
+
+# Calibration:
+
+Use [intrinsic_calib.cc](https://github.com/dvorak0/camera_model/blob/master/src/intrinsic_calib.cc) to calibrate your camera.
+
+# Undistortion:
+
+See [Camera.h](https://github.com/dvorak0/camera_model/blob/master/include/camodocal/camera_models/Camera.h) for general interface: 
+
+ - liftProjective: Lift points from the image plane to the projective space.
+ - spaceToPlane: Projects 3D points to the image plane (Pi function)
+