Update RGBD/readme.md

RGBD/readme.md

 # Project Title
 
-Simple overview of use/purpose.
+RGBD File Processing
 
 ## Description
 
-An in-depth paragraph about your project and overview of use.
+Two ways to get the depth from a depth image
 
 ## Getting Started
 
-### Dependencies
+Git clone, or download the code as zip and put on your local.
 
-* Describe any prerequisites, libraries, OS version, etc., needed before installing program.
-* ex. Windows 10
+### Dependencies
 
-### Installing
+numpy,
+if you want to generate your own image file, ply file, you need realsense SDK.
 
-* How/where to download your program
-* Any modifications needed to be made to files/folders
 
 ### Executing program
 
-* How to run the program
-* Step-by-step bullets
-```
-code blocks for commands
-```
+Please see the readme file inside each folder.
 
-## Help
+## Summary
 
-Any advise for common problems or issues.
-```
-command to run if program contains helper info
-```
+This folder will contain 3 image:
+1) RGB image
 
-## Authors
 
-Contributors names and contact info
+2) RGBD image
 
-ex. Dominique Pizzie  
-ex. [@DomPizzie](https://twitter.com/dompizzie)
 
-## Version History
 
-* 0.2
-    * Various bug fixes and optimizations
-    * See [commit change]() or See [release history]()
-* 0.1
-    * Initial Release
+3) PointCloud RGBD image
 
-## License
 
-This project is licensed under the [NAME HERE] License - see the LICENSE.md file for details
+They are all generated from real sense.
 
-## Acknowledgments
+## Authors
 
-Inspiration, code snippets, etc.
-* [awesome-readme](https://github.com/matiassingers/awesome-readme)
-* [PurpleBooth](https://gist.github.com/PurpleBooth/109311bb0361f32d87a2)
-* [dbader](https://github.com/dbader/readme-template)
-* [zenorocha](https://gist.github.com/zenorocha/4526327)
-* [fvcproductions](https://gist.github.com/fvcproductions/1bfc2d4aecb01a834b46)
+Zecheng Li