CCTV Analysis – Presentation for Prosecution

The UK is the world’s CCTV capital


Whatever we’re doing, wherever we’re going, chances are we’re on CCTV (Closed Circuit Television). There are an estimated 6 million CCTV’s in the UK – most of what they monitor is of course inconsequential, but where crime is being investigated CCTV provides invaluable Prosecution Digital Forensic evidence.

Sytech have developed industry-leading processes to enhance the value of this evidence – much CCTV video footage requires image clarification and authentication in order to make it suitable as Prosecution evidence and for formal presentation.

Sytech provides this complete Digital Forensic service, including the following:

  • Enhancement – CCTV and mobile phone recordings are most frequently of low quality. We can apply many processes to the footage to clarify the images and audio using filters that are fully documented in the finished technical report
  • Stabilisation – we can stabilise ‘shaky’ footage taken on mobile devices so that the person or object of interest remains static on the screen
  • De-multiplexing – separating multi-camera video feeds
  • Highlighting- either highlighting the area of the footage of interest, or blurring/pixellating area to be redacted, protecting sensitive information, identities, number plates etc
  • Annotating – adding titles, arrows, text to best illustrate the portion of interest, and subtitling for clarification of pertinent conversations etc
  • Measurement – measuring and giving context to real world distances, heights, and lengths from images or video frames, providing evidence such as a suspect’s height
  • Perspective – correcting and modifying the camera viewpoint in different frames with perspective alignment
  • Improvement to video with bad weather conditions (fog, rain, flat light, sandstorm, etc.).
  • Comparisons – providing comparisons between faces, persons or objects in CCTV footage, and images taken in custody suites or by our own photographer – this can include people, clothing, weapons, cars etc
  • Forensically extracting stills from video
  • Video enhancement, speed adjustment and noise reduction or removal
  • Audio & video forensic enhancement
  • Audio video authentication for signs of editing / tampering
  • Audio transcription (printed and/or subtitled video)
  • Audio & video analysis
  • Damaged audio & video cassette tape restoration
  • Damaged tape repair (audio / micro / DAT / video)
  • Phone message analysis & transcription