Vision4ce Products

Video Target Tracking

image tracking a jet-ski using IR Video
image of CHARM-3U board
image of CHARM Tracker Module
image of CHARM 6U tracking interface chart
Tank that uses CHARM Module graphic of board image
Tanks that use CHARM Module graphic of board image

3U VME Conduction Cooled Video Tracker

The Vision4ce CHARM 3U video tracker uses the DART (Detection & Acquisition, with Robust Tracking) detection and target tracking software hosted on an embedded multicore ARM processor board for video tracking and image processing applications.

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Video Detection & Tracking

A video tracker analyzes video image sequences from a sensor system (one or more cameras), mounted on a servo controlled pedestal (platform) to keep the camera pointing at the nominated person or object. In this context a Tracker has two primary processing functions.
• Detecting and locating objects of interest in the video image (object location).
• Controlling the platform (Pan and Tilt) position and rate such that the camera follows the designated object (Pan and Tilt Control).


CHARM-3U Features:

Key Features
  • • Multiple object detection and tracking
  • • Centroid & edge measurement
  • • Feature based correlation algorithm
  • • Moving object detection
  • • Adaptive background removal
  • • Automatic coast
  • • Grey level invariant algorithms
  • • Robust clutter rejection


  • • Two analog video (NTSC, RS710, PAL or CCIR) inputs
  • • Host interface through RS-232 or RS422 serial interfaces
  • • Direct interface to sensors and Pan & Tilt platform through RS-232 or RS-422 serial interfaces
  • • Two analogue video (NTSC, RS710, PAL or CCIR) video outputs with selectable symbology overlay
Additional Image Processing Options
  • • Electronic image stabilization
  • • Image enhancement
  • • Security and surveillance
  • • UAV & UGV
  • • Manned vehicles
  • • Automated video analysis

CHARM-3U Options and Applications

The CHARM 3U is a high-performance video tracker that meets the mechanical requirements of a conduction cooled single height Eurocard (DIN41494).


• Two analogue video inputs
– 1.0V peak to peak into 75 Ohm
– 625 / 525 line
– CCIR, RS170, PAL or NTSC
• Two analogue video outputs
– 1.0V peak to peak into 75 Ohm
– 625 / 525 line
– CCIR, RS170, PAL or NTSC (depending on input)
– Selectable symbology overlay
• Two bidirectional serial interfaces
– RS232 or RS422
– Asynchronous
– Baud rate variable up to 115,200


• Front panel
– 1x 25 way Micro ‘D’ Plug
○ 2x serial interfaces
• 4x SMA Jacks
– 2x video inputs
– 2x video outputs
• Rear Connector
– 96way DIN 41612 Type C
○ 2x serial interfaces
○ 2x video inputs
○ 2x video outputs
○ Power
• 96way DIN 41612 Type C for VME


• +5V, < 12 watts


The CHARM 3U conforms to the 19” rack specification (DIN 41494) as a single Eurocard PCB module (3U x 4HP).


• Copper side strips provide surfaces for conduction cooling via wedge locks.
• Temperature
– Operating -40C to +71C
– Non-operating -55C to +95C
• Thermal shock (operating) > +/- 5C per minute
• Humidity
– 5% to 95% non-condensing
– Optional conformal coating available

Designed, Manufactured and Technical Support in the UK. US and UK technical support.