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Vzense DCAM305, Спецификация и руководство пользователя

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1.2 

Description and Features 

Vzense TOF RGBD Camera Module DCAM305 is a 3D camera module developed by 

Vzense which uses TOF (Time of Flight) technology for face application scenarios or 

short distance scenarios. It is packaged in a small form factor and can provide high-

precision  depth  information  to  be  widely  used  for  face-related  applications  such  as 

financial payment, access control, gates, smart lock, time attendance terminal, etc. 

DCAM305 comes with Vzense Depth Camera SDK, an open source and cross platform 

enabling suite including rappers, sample code and tools. 

DCAM305 Features: 

- 

TOF (Time of flight) Camera technology 

- 

Can output RGB Image, Depth and IR Map 

- 

Depth/IR Camera support image size: 480*640@15FPS 

- 

RGB Camera support image size: up to 1080*1920@30FPS 

- 

Support for output formats: RAW12 (Depth/IR), NV12 (RGB) 

- 

Micro USB2.0 interface 

- 

Support OS: Android / Linux / Windows7/8/10 

- 

Depth Sensor SDK, sample code and tools 

- 

IR VCSEL security level is Class 1 

Usages/Markets 

- 

Face Financial Payment 

- 

Access Control 

- 

Gates 

- 

Smart Lock 

- 

Time Attendance Terminal 

 

 

Содержание DCAM305

Страница 1: ...Vzense DCAM305 ToF Camera Specification and User Manual ...

Страница 2: ... 2 Software Requirements 9 3 4 3 Environmental Requirements 10 3 4 4 Coordinate of the Camera System 10 4 Interface with Host 12 4 1 Connectors 12 4 2 LED indication 12 5 Principle of Time of Flight 13 5 1 Scope of remote sensing technology 13 5 1 1 Direct Time of Flight 13 5 1 2 Range gated Imaging ToF 14 5 1 3 Continuous Waveform ToF 15 5 1 4 Vzense ToF Principle 16 5 2 Noise Factors 17 5 2 1 Am...

Страница 3: ...g Touching any internal components may damage the camera Prevent any objects or substances from entering the camera housing Otherwise the camera may fail or damaged Avoid electromagnetic fields Do not use the camera near strong electromagnetic fields Prevent from electrostatic charging Transport in original packaging Transport and store the camera in its original packaging only Do not discard the ...

Страница 4: ...terminal etc DCAM305 comes with Vzense Depth Camera SDK an open source and cross platform enabling suite including rappers sample code and tools DCAM305 Features TOF Time of flight Camera technology Can output RGB Image Depth and IR Map Depth IR Camera support image size 480 640 15FPS RGB Camera support image size up to 1080 1920 30FPS Support for output formats RAW12 Depth IR NV12 RGB Micro USB2 ...

Страница 5: ... product presents no risk related to exposure limits under normal usage conditions Eye safety is only guaranteed when the camera is used properly 2 2 Power The DCAM305 camera can be powered by standard USB Micro USB 2 3 Usage Don t try to open the camera housing Each camera has been calibrated at the factory to achieve precise measurements Touching internal components may damage the camera and cau...

Страница 6: ... Lens Focus Type Fix Focus Depth Sensor Field of View FOV Horizontal 45 4 Vertical 58 6 Depth Lens Distortion abs 1 0 RGB Sensor Resolution and Frame rate 1080x 1920 1080P 30 fps 720x 1280 720P 30 fps 480x 640 480P 30 fps 360x 640 360P 30 fps RGB Sensor Field of View FOV Horizontal 50 1 Vertical 79 9 RGB Lens Distortion 1 Output Formats Depth Map RAW12 RGB Camera H 264 MJPEG Use Range 0 3 to 1 2m ...

Страница 7: ...ndows 7 8 and 10 Android 5 0 Linux Safety Class 1 3 2 State Machine Description 3 3 Electrical Specifications 3 3 1 Recommended Operating Conditions Parameter Symbol Conditions Min Typ Max Units Supply voltage on USB VBUS VDD 4 75 5 5 25 V Operating Temperature Ta 20 50 C Operating humidity 20 80 Storage humidity 20 80 Storage temperature 30 70 C ...

Страница 8: ...3 3 2 Power Consumption Parameter Average Max Units Scan Face mode 490 723 mA Scan Code mode 405 512 mA Standby mode 235 346 mA Note 5V input voltage ...

Страница 9: ...orking Condition Requirements 3 5 1 Hardware Requirements DCAM305 ToF Camera Micro USB Cable Not included in package Make sure the cable itself can meet the USB standard requirement otherwise the product may not function well 3 5 2 Software Requirements Operating system 32 bit Windows 7 10 64 bit Windows 7 10 recommended Linux x86 x64 Android 5 0 or above Unit mm ...

Страница 10: ...ipation Users can provide sufficient heat dissipation like mounting the camera on a substantial thermally conductive component that can act as a heat sink Or a fan can be used to provide an air flow over the camera 3 5 4 Coordinate of the Camera System There are two coordinate system need to be understood one is camera coordinate system CCS one is world coordinate system WCS CCS CCS describe the t...

Страница 11: ...Fig 3 Origin of the Coordinate System Meshlab and CloudCompare tools are recommended to analyze the point cloud data saved by Vzense software or SDK method X Y ...

Страница 12: ...t 4 1 Connectors DCAM305 ToF Camera is equipped with Micro USB 2 0 at the bottom side of its housing 4 2 LED indication Power supply Working Mode Powered by usb2 0 Flash green at an interval of 2seconds 2s 2s LEDindication ...

Страница 13: ...eds to be precisely and accurately determined This document will concentrate on technologies capable of providing a detection and ranging functionality as it is the most complex of the three applications From the position information presence and speed can be retrieved so technologies capable of detection and ranging can be universally applied to all remote sensing applications 5 1 1 Direct Time o...

Страница 14: ... timers is 67 ps Implemented in digital logic this would require a 15 GHz clock speed which is obviously not practical Therefore various time to digital conversion methods are typically used 5 1 2 Range gated Imaging ToF Whereas direct time of flight relies on measurements made on the immediate value of the received signal range gated imaging uses signal integration methods typically with CCD or C...

Страница 15: ...ent light can easily cause saturation and impair measurement Furthermore since neither the emitted and received pulses are perfect rectangle pulses nor is the sensor perfectly linear compensation is required and accuracy is ultimately limited 5 1 3 Continuous Waveform ToF In contrast to the previous two methods phase difference measurement relies on a modulated light source and evaluates the phase...

Страница 16: ...fference greater than 2 π is not resolvable for instance 3 π or 5 π will be measured as a π radian phase difference Therefore depending on the chosen modulation frequency an artefacting phenomenon will occur where far away objects will appear to be much closer than in reality 5 1 4 Vzense ToF Principle Vzense DCAM305 product principle is based on range gated imaging ToF solution and the sensor ins...

Страница 17: ...ted more one once Any light that has been reflected several times by other objects in the camera s field of view or the environment can cause deviation to the measurement result To eliminate the multipath effect you should 1 Keep the camera working environment as clean as possible 2 Avoid the camera be placed at concave forms environment like corners of a room or inside of a narrow space 3 Highly ...

Страница 18: ...tips Better not using the camera in strong sunlight If have to keep the ambient light below 50k Lux Do NOT place any objects in the scene that are not part of your intended target especially mirrors or other shiny surfaces objects Maintain a stable housing temperature during operation Take measures to provide cooling to camera Mount the camera robustly All accessories are ready The installation st...

Страница 19: ...or above systems Download SDK from below link China https gitee com Vzense Oversea https github com Vzense Vzense Utool Vzense UTool is ToF camera frame tool on windows OS that can help user evaluate product Download the uTool from below link China https github com Vzense UTool Oversea https gitee com Vzense UTool Please select the suitable version based on the product and system ...

Страница 20: ...t you can ask Zense team to do range customization reasonable NRE fee will be charged One range mode of the Zense DCAM305 camera can fulfill furthest distance be at most 5 times of nearest distance For example if the near limitation is 0 4m then the furthest distance in this mode can reach about 2m 7 3 Wide Dynamic Range As mentioned above Most of the ToF based 3D sensing technology has range limi...

Страница 21: ...to Chapter 8 in this document for WDR mode experience 7 4 Data Filtering In the software SDK and UTool we implemented data filtering to improve the depth data performance The filtering algorithm includes Median filtering Gaussian filtering Bilateral filtering 0 0 005 0 01 0 015 0 02 0 025 250 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 3400 3600 3800 4000 4200 DISTANCE ...

Страница 22: ...el removing 7 5 IR Image Besides the depth image Zense DCAM305 camera can also output a VGA resolution IR image And the IR image is strictly timing synchronized with the depth image Pixel to pixel mapping is also strictly aligned ...

Страница 23: ...customer to send customization requirement besides the standard module Reasonable NRE fee shall be charged depends on the requirement Appendix ROHS Declaration Part Name Lead Pb Mercury Hg Cadmium Cd Hexavalent Chromium Cr6 Polybrominated Biphenyl PBB Polybrominated Diphenyl Ethers PBD Structural Components Circuit Module Optical Lens Cable Pouch Hazardous Substances or Elements Indicates that thi...

Страница 24: ... 1 Edition 2 2007 in the US This product complies with US FDA performance standards under 21 CFR 1040 10 for laser products except for deviations pursuant to Laser Notice No 50 dated June 24 2007 Reliability Declaration Revision History ...

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