ros-perception/calibration — pull request #29 by k-okada (2014-09-12 11:26:28+00:00)
Title: check if input depth image is 32bit

the program only takes 32bit float depth image
```
const float* depth_ptr = reinterpret_cast(&depth_msg->data[0]);
```

openni2_launch publishes `camera/depth/image` and `camera/depth/image_raw` and `image` is 32FC1, but `mage_raw` is `16UC1`