Pedestrian presence detection

SafeWalk integrates stereovision technology and intelligent detection for pedestrian presence detection at kerbsides.
The main goal of SafeWalk is to improve pedestrian operations and safety at traffic signals. By detecting waiting pedestrians and, at the same time, by managing and controlling traffic lights more dynamically, this intelligent sensor reduces unnecessary delays to both pedestrians and motorists.
This above-ground sensor is designed to view a detection zone adjacent to the pole to which it is mounted. Stationary pedestrians or those moving in the designated zone waiting to cross a roadway will generate a detect state 24/7 in urban conditions.
SafeWalk is based on field-proven stereovision video detection technology and, thanks to the “know how”.

Main functionalities

• Detection of pedestrians waiting To cross the road
• Detection of pedestrians waiting To cross the road
• Detection of approaching pedestrians Intending to cross the road

Main benefits

• All-in-one sensor (camera + detector)
• Above-ground sensor
• Stereovision 3d technology
• Accurate zone positioning
• Mpeg-4 streaming video
• IP-addressability
• Reliable detection 24/7
• Field-proven pedestrian detection algorithm

Kerbside pedestrian detection

The stereovision video image processing technology is used for the detection and monitoring of pedestrians who are waiting to cross the street within a user definable zone. As soon as a pedestrian enters a predefined detection zone (“virtual loop”), a detection output is provided to the traffic light controller, enabling the software to activate the green time for the pedestrian.

The SafeWalk can hold the red time for pedestrians for as long as there is no pedestrian presence, making traffic flow more fluent and efficient

User-friendly sustem configuration

Configuration of the sensor is done via portable PC with pre-installed user-friendly SafeWalk software. Configuration takes less than five minutes and can be performed by any user – no specialist knowledge is required.

Using camera images (JPEG snapshot), virtual pedestrian detection zones can be positioned accurately. Verification and viewing of the detection is possible via MPEG-4 streaming video.

Quick system installation

SafeWalk is designed to avoid expensive installation and maintenance costs. As such, the installation process is quick and simple: install it, connect it and start analyzing the pedestrian detection zone., take only 15 minutes.

This sensor can simply be mounted on existing infrastructure. Also, a flexible bracket allows horizontal and vertical mounting.

Hardware

General

Material

• Fiber reinforced polycarbonate
• Mounting bracket:
• Integrated connection box
• Retaining straps or bolts to be used for fixation

Weight ≈ 780 gr

Height x Width x Depth: 23 cm x 31 cm x 18 cm

Temperature range: -34° C to 80° C

Humidity: up to 95% non-condensing

Camera type

• 2 x CMOS 1/3” B&W
• VGA (640x480) resolution
• 3mm lens

Input power

• 24 to 48 V AC/DC
• Consumption < 150 mA@ 24 VDC

Outputs

1 optical coupled dry contact configurable close or open on event

Communication

Ethernet for configuration & monitoring

Video compression

• MPEG-4
• Frame rate: 25 FPS
• RTSP stream up to 4Mbit/s

Test and  certificates

• EMC: electromagnetic compatibility – 2004/108/EG
• FCC: FCC Part15 class A
• Materials: all wearherproof UV-resistant
• Protection Grades: housing IP68, connection box IP65

Software

TCT (Traficon Configuration Tool) on PC with LAN connection:

Detection zone setup

Parameter configuration

• Delay time
• Extend time
• Detection hold time

Output assignment

Detection led activation
Detection verification

VLC media player on PC with LAN connection:
o View, record & playback MPEG-4 streaming video

Mounting

Installation height 3m50

Fixation with retaining straps or bolts M8

Detection FOV 3m x 4m

Offset 500mm

Cabling

Cables not included

Setup

• 1 Ethernet STP or UTP cat5e

Power

• 4-wired AWG22 UV resistant
• Cable diameter 2mm – 6mm

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