Dahua Security Brochure 2021

PRODUCT CATALOGUE UK & IRELAND

Notes • Max 1ch mosaic backup at the same time. • Lose half back-end intelligence when doing mosaic. • Camera resolution max 4MP (2688*1520) 30fps – More than 4MP/30fps recording will be reduced to 4MP 30fps in backup. • Max 12 faces can be detected in the image.

• Backup time is increased but less than double the recording time. • Backup video is larger than the original video file, at least double.

• Face Recognition This technology is capable of identifying or verifying a person in a digital image, or in a video frame of a video source. It compares facial features from a given image with the face images in the database.

Benefits: i. Real-time Recognition Features preview and verification of persons in real-time. Allows active comparison with database and setting of alarm triggers. Supports up to 24 pictures/s face recognition and 20 databases with up to 100,000 face images.

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Common Mode

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VS

Similarity ： 90%

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Stranger Mode

S t r a n g e r

ii. Metadata Search Enhances search accuracy and efficiency. Finds the target person quickly with facial metadata, including age, gender, glasses, mask, beard and expression.

iV. Image Search Searching via face image function enables operators to quickly and easily search through multiple channels within 7 days, letting them know when and where a person of interest has appeared. Offers high accuracy in searching target persons (even those that are not in the database) by uploading face images.

Allows up to 8 target face images search at the same time. Supports similarity threshold set for each target face image.

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