VQiPS: Discrimination Level

Guide to Defining Video Quality Requirements

Select:
| Getting Started | Use Cases | Use Classes | GUC Aspects | Usage Timeframe | Discrimination Level | Target Size | Motion | Lighting Level | GUC Questionnaire |

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Discrimination Level

Definition
Specifies a capacity to recognize a target of interest according to a given level of discrimination.

You can use video for identifying a wide range of detail, from motion detection to positive identification of a person for forensic evidence. Not every video system needs to be capable of performing positive identification. Select a video system that conforms to the requirements the application needs, without over- or under- specifying the system.

Use Characteristics
Consider:  What level of discrimination do you need to recognize a target of interest?

Use Discrimination	Characteristic	Example
High-level description of actions that took place	General Elements of the Action	People or person present
Large-scale recognition	Target Class Recognition	Car vs Van
Medium-scale detail recognition	Target Characteristics	Gender, markings, smaller actions
Enough detail to make a positive recognition	Target Positive ID	Face, object, alpha-numeric

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