Face recognition binocular camera module application system

然而独立式人脸识别模组是基于高速MIPS处理器平台，内嵌业内领先的人脸识别算法，集成了具有自主知识产权的光学人脸识别传感器。通过UART通讯接口方式，配合简单外围电路即可将该人脸识别模块嵌入到第三方智能化产品中，使第三方产品具有强大的人脸识别能力。

However, the independent face recognition module is based on the high-speed MIPS processor platform, embedded with the industry-leading face recognition algorithm, and integrated with the optical face recognition sensor with independent intellectual property rights. Through UART communication interface and simple peripheral circuit, the face recognition module can be embedded into the third-party intelligent products, so that the third-party products have strong face recognition ability.

功能：人脸识别、人脸检测、模板提取、模板存储、模板删除、人脸特征比对(含1：1和1：N)等功能。

Functions: face recognition, face detection, template extraction, template storage, template deletion, face feature comparison (including 1:1 and 1:n), etc.

标准产品组成

Standard product composition

核心板模块：高速MIPS处理器（@1GHz），存储（256MB DDR3 SDRAM）

Core board module: high speed MIPS processor (@ 1GHz), storage (256MB DDR3 SDRAM)

双摄像头模块：红外摄像头+彩色摄像头

Dual camera module: infrared camera + color camera

通讯方式

Communication mode

采用UART\USB-NET通讯方式，通讯协议简单可靠，可连接不同上层设备，包括PC、单片机等。

UART \ usb-net communication mode is adopted, the communication protocol is simple and reliable, and different upper devices can be connected, including PC, single chip microcomputer, etc.

规格

Specifications

CPU：高速MIPS处理器@1 GHz

CPU: high speed MIPS processor @ 1 GHz

RAM：256MB DDR3 SDRAM

RAM：256MB DDR3 SDRAM

内存容量：4GB eMMC FLASH， MMC接口

Memory capacity: 4GB EMMC flash, MMC interface

启动时间（空数据库时）：< 20秒

Start time (when the database is empty): < 20 seconds

人脸存储容量：1,000人

Face storage capacity: 1000

识别模式：1:1和 1:N

Recognition mode: 1:1 and 1: n

误识率（FAR）：<0.001%

False recognition rate (far): < 0.001%

拒识率（FRR）：<1.0%

Rejection rate (FRR): < 1.0%

上位机通讯方式：UART（LVTTL电平），USB-NET

Upper computer communication mode: UART (LVTTL level), usb-net

UART通讯波特率：支持5种波特率:9600/19200/38400/57600/115200bps

UART communication baud rate: support 5 baud rates: 9600 / 19200 / 38400 / 57600 / 115200bps

接口:USB-Host，用于数据导入导出；USB OTG (USB Device) ，用于系统烧录程序及USB转-NET

Interface: USB host for data import and export; USB OTG (USB device) for system burning program and USB to net

工作环境：温度：0 ~ 70℃；相对湿度：20% ~ 80%RH (无凝露)

Working environment: temperature: 0 ~ 70 ℃; relative humidity: 20% - 80% RH (no condensation)

功耗：电源电压：3.3V；工作电流：300mA

Power consumption: power supply voltage: 3.3V; working current: 300mA

尺寸（L*W*H）：51*51*7mm

Size (L * w * h): 51 * 51 * 7mm

核心元件：OV7740

Core element: ov7740

摄像头：红外摄像头，像素，30万像素

Camera: infrared camera, pixel, 300000 pixel

分辨率：VGA(640*480)

Resolution: VGA (640 * 480)

对焦方式：固定焦距

Focus mode: fixed focus

作用距离：30cm~80cm

Action distance: 30cm ~ 80cm

视角：60°

Angle of view: 60 °

连接方式：24 Pin FPC线

Connection mode: 24 pin FPC cable

工作环境：温度：-30℃~ 70℃；相对湿度：20%~80% RH

Working environment: temperature: - 30 ℃ ~ 70 ℃; relative humidity: 20% ~ 80% RH

功耗：电源电压：3.3V；工作电流：60mA

Power consumption: power supply voltage: 3.3V; working current: 60mA

摄像头模组尺寸（L*W*H）：48*31*18.86mm

Camera module size (L * w * h): 48 * 31 * 18.86mm

人脸识别核心在嵌入式系统上的使用，可以用红外人脸识别比对算法，适应性更强，进行1:1以及1：N的人脸识别，广泛应用于人脸识别考勤机，可视化人脸识别门禁系统；智能人脸锁等产品中，适应性强，市场占有率高，国内外知名智能锁厂家均在应用该人脸识别模块。

The application of face recognition core in embedded system can use infrared face recognition algorithm, which is more adaptive. It can carry out 1:1 and 1:n face recognition. It is widely used in face recognition attendance machine and visual face recognition access control system. In intelligent face lock and other products, it has strong adaptability and high market share. Well-known intelligent lock manufacturers at home and abroad are applying the face recognition Modular.