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Soft biometrics
Physical, behavioral, or material attributes associated with an individual that aid in recognition, often derived from primary biometric data.
Attributes that can be inferred from soft biometric data
Age, gender, ethnicity, height, hair color, and eye color.
Human understandable categories
Attributes classified into recognizable groups that people can comprehend.
Consent-free acquisition
The ability to collect biometric data from individuals without requiring their permission.
Robustness to low data quality
The ability of soft biometric attributes to be deduced from poor quality biometric input.
Semantic interpretation
The process of deriving meaning from data or attributes in a manner understandable to humans.
Body measurements
Quantitative data on an individual's physical dimensions, useful in recognition systems.
Applications of soft biometrics
Utilization of soft biometric traits in various fields, such as security, law enforcement, and marketing.
Privacy enhancement
soft biometric traits give the improvement of personal privacy through the use of non-distinctive traits
Age inference
The process of estimating an individual's age based on visible attributes.
Automated extraction
The ability to gather biometric data without human intervention.
Light biometrics
Another term for soft biometrics, emphasizing non-distinctive characteristics.
Distance discernment
The ability to identify soft biometric traits from afar without direct interaction.
Benefits of Soft Bio
Consent-free acquisition:
Human understandable interpretation:
Privacy
Robustness to low data quality:
Soft biometrics from various modalities could include:•
Face
Iris
Fingerprint
• Face • Gender, age, ethnicity, hair color, facial hair, ...
• Iris • Gender, age, ethnicity, eye color
Fingerprint • Gender
Soft biometrics from various modalities could include:•
Gait
Body
Hand
Voice
Gait • Gender, age
• Body • Gender, age, body measurements, clothes/accessories
• Hand • Gender •
Voice • Gender, age, ethnicity
