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文库首页音视频图像处理事件相机：三星公司相关介绍；CVPRW19_Samsung.pdf

事件相机：三星公司相关介绍；CVPRW19_Samsung.pdf

事件相机

Event-based

Came

Event

camera

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三星公司在CVPR2019 workshop（第二届国际事件相机讨论会）中介绍的公司事件相机的相关资料。

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Industrial DVS Design;

Key Features and Applications

Hyunsurk Eric Ryu, PhD

System LSI, Samsung Electronics

Hyunsurk Eric Ryu Industrial DVS Design 1 of 27

Outline

Industrial DVS DesignHyunsurk Eric Ryu

 Samsung S.LSI Dynamic Vision Sensor

 Key Features

◼ Low Latency

◼ Minimized Motion Artifacts

◼ Anti-Flicker

◼ Low Power Operation

 Applications

◼ Sparse Edge-based Object Recognition

◼ Pose Estimation with Visual Information: DVS-

SLAM

 Summary and Discussion

SLAM: Simultaneous Localization and Mapping

2 of 27

DVS Gen1 (R&D Ver., 2014)

Industrial DVS DesignHyunsurk Eric Ryu

 Brief Specifications

◼ 640 x 480 Pixel Array with 1/2.5-inch optics

◼ Pixel size : 9 um

◼ Dynamic range : 66 dB (5~10,000 Lux)

◼ Max. event processing rate : 6.5 Meps

◼ Minimum detectable contrast (50% response)

: < 19%

◼ Interface : 20-bit Parallel

◼ Typical power consumption : 15 mW

 Key Features

◼ Small pixel size (9 um)

9.7mm

8.0mm

640 x 480 Pixel Array

Column Arbiter + Addr. Decoder

Row Arbiter +

Addr. Decoder

Control

Logic + AMUX

Bias

Gen.

Pixel

9um

*eps: event per second

 Full custom logic design

 Fabricated using the Samsung 90-nm Back Side Illumination (BSI) CIS process

3 of 27

DVS Gen2 (R&D Ver., 2016)

Industrial DVS DesignHyunsurk Eric Ryu

(ISSCC ’17)

 Brief Specifications

◼ 640 x 480 Pixel Array with 1/2.5-inch optics

◼ Pixel size : 9 um

◼ Dynamic range : 90 dB (3~100,000 Lux)

◼ Max. event processing rate : 300 Meps

◼ Minimum detectable contrast (50% response)

: < 19%

◼ Interface : MIPI(1Gbps 4-lane), USB connectable

Parallel, I

◼ Typical power consumption : 80 mW

 Key Features

◼ Standard digital I/F IP supported

◼ Digitally synthesized G-AER

for high throughput

*G-AER: Group Address Event Representation

 High data throughput using digitally synthesized G-AER scheme

4 of 27

DVS Gen3 (Product Ver., 2018)

Industrial DVS DesignHyunsurk Eric Ryu

 Motion image artifact minimized by using global hold and global reset

 Timestamp error minimized by applying sequential column scan readout

8.0mm

5.8mm

640 x 480 Pixel Array

Bias Generator

Pixel Layout

Digital Scan Logic

Event Storage

9um

Digital Logic &

Function Blocks

 Brief Specifications

◼ 640 x 480 Pixel Array with 1/2.5-inch optics

◼ Pixel size : 9 um

◼ Dynamic range : 90 dB (3~100,000 Lux)

◼ Effective frame rate : > 2,000 fps (MIPI)

◼ Minimum detectable contrast (99.9% response)

: < 27.5%

◼ Interface : MIPI(1Gbps 4-lane), USB connectable

Parallel, I

◼ Typical power consumption : 65 mW

 Key Features

◼ Global hold, Global reset, Column scan readout

5 of 27

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