<s>
Mapillary	B-Application
is	O
a	O
service	O
for	O
sharing	O
crowdsourced	O
geotagged	O
photos	O
,	O
developed	O
by	O
remote	O
company	O
Mapillary	B-Application
AB	O
,	O
based	O
in	O
Malmö	O
,	O
Sweden	O
.	O
</s>
<s>
Mapillary	B-Application
was	O
launched	O
in	O
2013	O
and	O
acquired	O
by	O
Facebook	O
,	O
Inc	O
.	O
(	O
now	O
Meta	O
Platforms	O
)	O
in	O
2020	O
.	O
</s>
<s>
This	O
is	O
one	O
of	O
the	O
few	O
alternative	O
platforms	O
that	O
has	O
street	O
level	O
imagery	O
like	O
Google	B-Application
Street	I-Application
View	I-Application
.	O
</s>
<s>
Mapillary	B-Application
co-founders	O
were	O
Jan	O
Erik	O
Solem	O
,	O
Johan	O
Gyllenspetz	O
,	O
Peter	O
Neubauer	O
and	O
Yubin	O
Kuang	O
.	O
</s>
<s>
According	O
to	O
Solem	O
,	O
Mapillary	B-Application
was	O
founded	O
to	O
allow	O
crowdsourcing	O
of	O
street-level	O
imagery	O
for	O
use	O
with	O
computer	B-Application
vision	I-Application
.	O
</s>
<s>
The	O
project	O
started	O
in	O
September	O
2013	O
,	O
with	O
an	O
iPhone	O
app	O
released	O
in	O
November	O
2013	O
,	O
followed	O
by	O
an	O
Android	B-Application
app	O
released	O
in	O
January	O
2014	O
.	O
</s>
<s>
Mapillary	B-Application
received	O
$1.5	O
million	O
in	O
seed	O
capital	O
funding	O
from	O
a	O
group	O
of	O
investors	O
,	O
led	O
by	O
Sequoia	O
Capital	O
in	O
January	O
2015	O
.	O
</s>
<s>
In	O
March	O
2016	O
,	O
it	O
raised	O
$8M	O
additional	O
funding	O
(	O
Atomico	O
,	O
Sequoia	O
,	O
LDV	O
Capital	O
,	O
and	O
PlayFair	O
)	O
for	O
expanded	O
operations	O
,	O
including	O
more	O
computer	B-Application
vision	I-Application
talent	O
and	O
a	O
San	O
Francisco	O
office	O
.	O
</s>
<s>
In	O
September	O
2018	O
,	O
Mapillary	B-Application
announced	O
a	O
"	O
collaboration	O
"	O
with	O
Amazon	O
to	O
use	O
the	O
Rekognition	B-General_Concept
visual	O
data	O
analysis	O
platform	O
to	O
extract	O
text	O
from	O
Mapillary	B-Application
's	O
huge	O
database	O
of	O
350	O
million	O
images	O
.	O
</s>
<s>
In	O
November	O
2018	O
,	O
Mapillary	B-Application
released	O
a	O
software	B-Application
development	I-Application
kit	I-Application
(	O
SDK	O
)	O
allowing	O
interested	O
third-party	O
software	O
developers	O
to	O
integrate	O
Mapillary	B-Application
image-capture	O
functionality	O
in	O
their	O
apps	O
,	O
opening	O
the	O
way	O
for	O
additional	O
input	O
channels	O
.	O
</s>
<s>
In	O
June	O
2020	O
,	O
Facebook	O
acquired	O
Mapillary	B-Application
for	O
an	O
undisclosed	O
amount	O
.	O
</s>
<s>
After	O
the	O
acquisition	O
,	O
commercial	O
use	O
of	O
Mapillary	B-Application
was	O
made	O
available	O
free	O
of	O
charge	O
.	O
</s>
<s>
Due	O
to	O
Mapillary	B-Application
being	O
widely	O
used	O
for	O
contributing	O
to	O
OpenStreetMap	O
and	O
fears	O
that	O
Facebook	O
might	O
shut	O
the	O
service	O
down	O
,	O
a	O
tool	O
was	O
subsequently	O
created	O
for	O
synchronizing	O
data	O
between	O
Mapillary	B-Application
and	O
KartaView	B-Application
(	O
formerly	O
OpenStreetCam	B-Application
)	O
.	O
</s>
<s>
By	O
November	O
14	O
,	O
over	O
55TiB	O
or	O
30	O
million	O
images	O
had	O
been	O
transferred	O
to	O
KartaView	B-Application
.	O
</s>
<s>
In	O
August	O
2020	O
,	O
Mapillary	B-Application
announced	O
that	O
more	O
cameras	O
will	O
be	O
available	O
for	O
contributors	O
,	O
making	O
possible	O
streetside	O
coverage	O
of	O
more	O
places	O
that	O
Mapillary	B-Application
might	O
not	O
visit	O
.	O
</s>
<s>
Mapillary	B-Application
offers	O
different	O
capturing	O
modes	O
including	O
walking	O
,	O
riding	O
(	O
either	O
a	O
bike	O
or	O
car	O
)	O
,	O
or	O
panorama	B-Application
.	O
</s>
<s>
On	O
10	O
September	O
2014	O
,	O
Mapillary	B-Application
announced	O
that	O
they	O
now	O
support	O
panoramas	B-Application
and	O
spherical	B-Application
photos	I-Application
.	O
</s>
<s>
As	O
of	O
May	O
2014	O
,	O
Mapillary	B-Application
had	O
around	O
0.5	O
million	O
photos	O
and	O
by	O
December	O
2014	O
,	O
it	O
had	O
over	O
5.5	O
million	O
.	O
</s>
<s>
As	O
of	O
March	O
2015	O
it	O
had	O
10	O
million	O
photos	O
,	O
and	O
by	O
June	O
11	O
,	O
2015	O
,	O
Mapillary	B-Application
had	O
over	O
20	O
million	O
photos	O
,	O
and	O
by	O
August	O
9	O
over	O
30	O
million	O
.	O
</s>
<s>
As	O
of	O
February	O
6	O
,	O
2016	O
Mapillary	B-Application
had	O
over	O
50	O
million	O
photos	O
.	O
</s>
<s>
In	O
2018	O
,	O
Mapillary	B-Application
acquired	O
major	O
image	O
datasets	O
from	O
two	O
USA	O
state	O
transportation	O
departments	O
:	O
approximately	O
5	O
million	O
images	O
each	O
contributed	O
by	O
the	O
Vermont	O
Department	O
of	O
Transportation	O
and	O
the	O
Arizona	O
Department	O
of	O
Transportation	O
.	O
</s>
<s>
The	O
images	O
on	O
Mapillary	B-Application
can	O
be	O
used	O
under	O
Creative	O
Commons	O
Attribution-ShareAlike	O
4.0	O
International	O
License	O
(	O
CC	O
BY-SA	O
)	O
.	O
</s>
<s>
The	O
GPX	O
tracks	O
can	O
be	O
used	O
without	O
restriction	O
,	O
and	O
derived	O
data	O
can	O
be	O
used	O
provided	O
it	O
is	O
ODbL	B-General_Concept
.	O
</s>
<s>
Mobile	O
apps	O
(	O
Android	B-Application
and	O
iPhone	O
)	O
are	O
proprietary	B-Application
software	I-Application
.	O
</s>
<s>
In	O
May	O
2017	O
,	O
Mapillary	B-Application
released	O
an	O
open	O
source	O
subset	O
of	O
its	O
very	O
large	O
and	O
ever-expanding	O
crowdsourced	O
image	O
dataset	O
,	O
the	O
Mapillary	B-Application
Vistas	O
Dataset	O
of	O
25,000	O
street-level	O
images	O
,	O
with	O
pixel-wise	O
annotation	O
,	O
to	O
help	O
train	O
autonomous	O
vehicle	O
AI	O
system	O
algorithms	O
.	O
</s>
<s>
On	O
November	O
28	O
,	O
2017	O
,	O
Mapillary	B-Application
released	O
a	O
beta	O
tool	O
known	O
as	O
the	O
Mapillary	B-Application
Tasker	O
.	O
</s>
<s>
Mapillary	B-Application
Tasker	O
"	O
enables	O
a	O
task	O
creator	O
to	O
tell	O
other	O
contributors	O
where	O
help	O
is	O
needed	O
and	O
what	O
needs	O
to	O
be	O
done.	O
"	O
</s>
<s>
As	O
a	O
side	O
note	O
,	O
because	O
the	O
tool	O
is	O
currently	O
in	O
beta	O
,	O
users	O
have	O
to	O
send	O
requests	O
to	O
be	O
reviewed	O
by	O
Mapillary	B-Application
administrators	O
,	O
rather	O
than	O
having	O
the	O
autonomy	O
to	O
post	O
whatever	O
task	O
you	O
want	O
assistance	O
with	O
.	O
</s>
