27-03-2012, 03:21 PM
NIGHT VISION TECHNOLOGY
BENDER_PDR.ppt (Size: 499 KB / Downloads: 218)
Functions
User Interface:
Computer Interface via RS-232
Still Image Output via RS-232
Output Video Stream via VGA
Possible Use
Surveillance
Search and Rescue
Property Management
I/O of System Blocks
Optics (lens)
Input: Photons from the environment
Output: Focused light
Infrared Sensors
Input: Infrared Information
Output: Digital Image Data
HC11
Input: Computer commands
-Turn on, Test Connection, Take a picture, etc.
RAM
- Still Image Data
Output: Still Image
Video Out
Input: Digital Image Data
Output: Video Image
Further details
Needed to focus light onto CCD sensor
Need to optimize distance between lens and CCD
More research is needed
Not needed in dark areas
Still useful for dimly lit areas
Filter types: red #25 (transparent), infrared #89b (nearly opaque), and infrared #87c (completely opaque).
Computer interface
RS-232 provided by microcontroller
Download software updates
Upload still images to computer
Send commands to camera
Reset
Enable/disable video preview
Take picture
BENDER_PDR.ppt (Size: 499 KB / Downloads: 218)
Functions
User Interface:
Computer Interface via RS-232
Still Image Output via RS-232
Output Video Stream via VGA
Possible Use
Surveillance
Search and Rescue
Property Management
I/O of System Blocks
Optics (lens)
Input: Photons from the environment
Output: Focused light
Infrared Sensors
Input: Infrared Information
Output: Digital Image Data
HC11
Input: Computer commands
-Turn on, Test Connection, Take a picture, etc.
RAM
- Still Image Data
Output: Still Image
Video Out
Input: Digital Image Data
Output: Video Image
Further details
Needed to focus light onto CCD sensor
Need to optimize distance between lens and CCD
More research is needed
Not needed in dark areas
Still useful for dimly lit areas
Filter types: red #25 (transparent), infrared #89b (nearly opaque), and infrared #87c (completely opaque).
Computer interface
RS-232 provided by microcontroller
Download software updates
Upload still images to computer
Send commands to camera
Reset
Enable/disable video preview
Take picture