Relates to the visual information pertaining to the action of a crime or incident.Personal ID Based upon the International Association of Chiefs of Police (IACP), the object of Personal Identification should take up at least 1/10 of the overall scene! Relates to the visual information pertaining to the personal identification of the main criteria of the scene.Each category of evidence is established at the point of design of the system and application.– Personal Identification – Action – Scene Visual evidence is broken into three categories.Four levels were established as based upon the average resolution of video playback – – – –ĭetect – 10% of the overall frame size Observe – 20% of the overall frame size Recognize – 50% of the overall frame size Identify – 100% of the overall frame size.Analog standards of ID were recognized and established in the late 1990s as video gained importance in the prosecution of crime.THE PURPOSE OF IDENTITY STANDARDS IS TO INSURE THAT EQUAL RESULTS ARE AVAILABLE EVERY TIME NEEDED Identity does not infer that the object of recognition is always a human but rather that the object of concern is identifiable onto itself after the fact. Identity standards insure that every image is defined to the point of the application’s needs or requirements. Analog ID standards will not work with IP or Digital based images.Analog ID standards are based upon Video images with 285 to 325 horizontal lines of resolution.Analog “Best Practices” for Identification have been defined for 25 years.Design cost effective solutions that work to a predicted result of identification … every time.The primary differences between Analog and IP images for Evidence standards.What is the purpose of an Identity standard.Designing CCTV to International Standards for Visual Evidenceĭesigning CCTV to International Standards for Visual Evidence Charlie R. Pierce
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