some people see - FIG...visually impaired persons blind 39.000.000 246.000.000 76.000 223.000 the...
Transcript of some people see - FIG...visually impaired persons blind 39.000.000 246.000.000 76.000 223.000 the...
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some people
see
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virtual guidance
lineTon van Helvert
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what is it like for the visually impaired?
public space mobility
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* unclear guiding cues* obstacles* traffic light without
embedded sounds
public space mobility
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* stairs hard to recognize* marking only at
top and bottom
public space mobility
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* faded tactile lines…
public space mobility
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* tactile paving with(more) obstacles…
public space mobility
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* tactile paving ends…..
public space mobility
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To catch a bus: ..but which is mine?
public space mobility
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UN rights of persons with disabilitiesin 2006 adoptedin 2015 ratification in the Netherlands
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UN rights of persons with disabilities
human rights to:
• inclusion• personal autonomy• participation based on equality
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visually impaired persons
blind 39.000.000
246.000.000
76.000
223.000
the Netherlands the World
low vision
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more tactile paving?
….that is no option…….
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these people want to go to the bus station?
what if…
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he gives his destination
what if…
?
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his smart device receives it
what if…
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his smart device sends this information to the cloud
what if…
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the geo-location of his destination is now knownthe cloud needs the precise location of the user
his smartphone GPS is only about 2-5 meters accurate
?
what if…
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a reference ground station provides a precise differential GPS correction signal to improve accuracy to 30-50 centimeters
he carries with him a precise positioning device
what if…
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in the cloud there is a 3D reference model of his surroundings
web services & crowdsourcing
Up-to-date Height File of the Netherlands
Basic Registration Large-scale Topography
BGTAHN2
a 3D reference model based on government managed open geo-data like BGT and AHN2plus added web services
what if…
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the 3D reference model knows most of his surroundings
obstacles like lamp posts, benches, trees, bollards
what is pedestrian area and what not
doors of buildings, stairs
pedestrian crossings, traffic lights, bus stops
what if…
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a routing engine then generates an ideal virtual guidance line
!!
what if…
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his devices receive his virtual guidance line and precise position
what if…
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smart devices show an accessible app for persons with low vision
what if...
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or use smart wearables (haptic/audio) to communicate
his haptic shoes or insoles
his smart vest or belt
or his smartwhite cane
smart bands on his arms
what if…
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the wearables help him follow his virtual guidance line
what if…
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the wearables alert at pedestrian crossingsthe wearables alert at pedestrian crossings and read the traffic light
what if…
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an audio device provides extra information on demand
what if…
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virtual guidance line leads to the right vehicle door at the bus station
what if…
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sensors help to detect obstacles
what if…
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Or with help from the crowd – VGI – obstacles will be detected
what if…
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sensors help to recognize important targets
what if…
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sensors help the precision positioning device
…when urban canyons or tunnels
block good GPS reception
what if…
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local beacons help the precision positioning device (also indoors)
Signal 360 GPShopper Aruba Gimbal Radius Networks Estimote
what if…
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open source developers and helpfull hackers help improve system
what if…
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the users are actively involved in co-creating
what if…
ethical issuesnew services
updates
new wearablesfeatures new functionality
more updates
open source callssafety
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the user community manages the virtual guidance line system
We are fully included. We own
and control our virtual guidance
line. We co-create.€
what if…
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system designBGT AHN2
GBKN+web services & crowdsourcing
3D reference modelrouting engine
3D & 2D model of the Netherlandsopen data managed by Kadaster generates virtual guidance line
handles (3D) geo-informationopen source
owned by user-community
platform with api’s, software, standards,descriptions, user preferences, ea.open source, owned by user-community
we-ar-able platform
wearables
wearable haptic / audio interfaceopen market for producers
smart device (processing & connectivity)
positioning device
precision positioning devicewearable, expanded with sensors
(step counter, accelero- and magnetometer)open market for producers
positioning network
network of reference stations,
and correction signals for precision
positioning
user community
non-profittransparent
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virtual guidance line
Kadaster on FabCity
Amsterdam
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Kadasterunit on FabCity
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virtual guidance linefor the visually impairedan alternative for tactile paving everywhere, always and personalised
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made possible by:
and mrs Mara Breunesse