Small Methods,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 8, 2024
Abstract
To
enhance
the
efficiency
of
machine
vision
system,
physical
hardware
capable
sensing
and
encoding
is
essential.
However,
color
information
has
been
overlooked.
Therefore,
this
work
utilizes
an
indium‐gallium‐zinc
oxide
(IGZO)
phototransistor
to
detect
varying
densities
red,
green,
blue
(RGB)
light,
converting
them
into
corresponding
drain
current
(I
D
)
states.
By
applying
stochastic
gate
voltage
(V
G
pulses
IGZO
phototransistor,
fluctuations
are
generated
in
these
I
When
exceeds
threshold
TC
),
a
spike
signal
generated.
This
approach
enables
conversion
light
signals,
achieving
spike‐rate
encoding.
Moreover,
adjusting
standard
deviation
(σ)
V
controls
range
converted
rates,
while
altering
mean
(μ)
changes
baseline
level
rates.
Remarkably,
separate
RGB
channels
offer
tunable
process,
which
can
emphasize
individual
colors
correct
bias.
The
encoded
rates
also
fed
spiking
neural
network
(SNN)
for
CIFAR‐10
pattern
recognition,
accuracy
86%.
method
allows
operation
SNN
shows
tunability
process
light‐to‐spike
encoding,
opening
possibilities
image
processing.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 8, 2024
Abstract
As
the
focus
on
information
security
continues
to
intensify,
encrypted
imaging
sensing
technology
becomes
increasingly
indispensable.
However,
widespread
application
of
is
hindered
by
high
manufacturing
costs
and
complex
system
construction.
Herein,
an
all‐inorganic
perovskite/perovskite
tandem
self‐powered
photodetector
(PDs)
reported,
incorporated
with
Bi
2
TeO
6
layer
enahnce
dual
pyro‐phototronic
effect,
realize
innovated
encryption
programmable
logic
gate.
The
PDs
reach
responsivity
1.46
A
W
−1
detectivity
3.44
×
10
13
Jones,
corresponding
EQE
reaches
342%,
which
≈75.48
times
greater
than
that
without
effect.
outstanding
performance
resulting
from
effect
in
Cs
PbI
Cl
perovskite
/CsSn
0.5
Pb
IBr
interface,
optimizing
band
arrangement
oxidized
layer.
photovoltaic
signal
can
still
be
clearly
distinguished
under
8
kHz
pulsed
laser.
More
importantly,
achieves
simultaneous
outputs
triple
image
information,
their
optoelectronic
gate
execute
six
distinct
logical
functions,
including
“OR”,
“AND”,
“XOR”,
“NAND”,
“NOR”
“XNOR”.
This
research
not
only
provides
a
feasible
strategy
for
realizing
materials,
but
also
presents
novel
insights
designing
technology.
Small Methods,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 8, 2024
Abstract
To
enhance
the
efficiency
of
machine
vision
system,
physical
hardware
capable
sensing
and
encoding
is
essential.
However,
color
information
has
been
overlooked.
Therefore,
this
work
utilizes
an
indium‐gallium‐zinc
oxide
(IGZO)
phototransistor
to
detect
varying
densities
red,
green,
blue
(RGB)
light,
converting
them
into
corresponding
drain
current
(I
D
)
states.
By
applying
stochastic
gate
voltage
(V
G
pulses
IGZO
phototransistor,
fluctuations
are
generated
in
these
I
When
exceeds
threshold
TC
),
a
spike
signal
generated.
This
approach
enables
conversion
light
signals,
achieving
spike‐rate
encoding.
Moreover,
adjusting
standard
deviation
(σ)
V
controls
range
converted
rates,
while
altering
mean
(μ)
changes
baseline
level
rates.
Remarkably,
separate
RGB
channels
offer
tunable
process,
which
can
emphasize
individual
colors
correct
bias.
The
encoded
rates
also
fed
spiking
neural
network
(SNN)
for
CIFAR‐10
pattern
recognition,
accuracy
86%.
method
allows
operation
SNN
shows
tunability
process
light‐to‐spike
encoding,
opening
possibilities
image
processing.
