arXiv (Cornell University),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Jan. 1, 2023
Event-based
sensors,
distinguished
by
their
high
temporal
resolution
of
1$\mathrm{μs}$
and
a
dynamic
range
120$\mathrm{dB}$,
stand
out
as
ideal
tools
for
deployment
in
fast-paced
settings
like
vehicles
drones.
Traditional
object
detection
techniques
that
utilize
Artificial
Neural
Networks
(ANNs)
face
challenges
due
to
the
sparse
asynchronous
nature
events
these
sensors
capture.
In
contrast,
Spiking
(SNNs)
offer
promising
alternative,
providing
representation
is
inherently
aligned
with
event-based
data.
This
paper
explores
unique
membrane
potential
dynamics
SNNs
ability
modulate
events.
We
introduce
an
innovative
spike-triggered
adaptive
threshold
mechanism
designed
stable
training.
Building
on
insights,
we
present
specialized
spiking
feature
pyramid
network
(SpikeFPN)
optimized
automotive
detection.
Comprehensive
evaluations
demonstrate
SpikeFPN
surpasses
both
traditional
advanced
ANNs
enhanced
attention
mechanisms.
Evidently,
achieves
mean
Average
Precision
(mAP)
0.477
{GEN1
Automotive
Detection
(GAD)}
benchmark
dataset,
marking
significant
increase
9.7\%
over
previous
best
SNN.
Moreover,
efficient
design
ensures
robust
performance
while
optimizing
computational
resources,
attributed
its
innate
computation
capabilities.
IEEE Transactions on Cognitive and Developmental Systems,
Journal Year:
2023,
Volume and Issue:
16(5), P. 1664 - 1676
Published: Nov. 6, 2023
Spike-based
machine
intelligence
has
recently
attracted
increasing
research
attention,
and
been
considered
as
a
promising
approach
towards
artificial
general
(AGI).
It
applied
in
energy-efficient
neuromorphic
computing
systems.
One
of
the
most
critical
questions
for
spike-based
learning
is
how
to
leverage
powerful
information-theoretic
theories
derive
algorithms
improving
robustness
energy
efficiency
spiking
neural
networks
(SNNs).
In
this
study,
we
first
present
an
efficient
effective
information
bottleneck
(IB)
framework
training
SNN,
named
Information
Bottleneck
with
Learnable
State
(SIBoLS).
We
thoroughly
explore
design
space
concerning
IB
by
using
membrane
potential
state
hidden
representation
learnable
variable.
Comprehensive
test
conducted,
which
two
types
background
noise
five
input
are
considered.
shows
SIBoLS
can
improve
both
static
image
event-based
dataset
processor.
Furthermore,
induces
less
rate,
resulting
lower
power
consumption
compared
other
techniques.
advantages
terms
applications,
give
insights
development
AGI.
IEEE Transactions on Neural Networks and Learning Systems,
Journal Year:
2023,
Volume and Issue:
35(10), P. 14315 - 14329
Published: May 31, 2023
Spiking
neural
networks
(SNNs)
mimic
brain
computational
strategies,
and
exhibit
substantial
capabilities
in
spatiotemporal
information
processing.
As
an
essential
factor
for
human
perception,
visual
attention
refers
to
the
dynamic
process
selecting
salient
regions
biological
vision
systems.
Although
mechanisms
have
achieved
great
success
computer
applications,
they
are
rarely
introduced
into
SNNs.
Inspired
by
experimental
observations
on
predictive
attentional
remapping,
we
propose
a
new
spatial-channel–temporal-fused
(SCTFA)
module
that
can
guide
SNNs
efficiently
capture
underlying
target
utilizing
accumulated
historical
spatial–channel
present
study.
Through
systematic
evaluation
three
event
stream
datasets
(DVS
Gesture,
SL-Animals-DVS,
MNIST-DVS),
demonstrate
SNN
with
SCTFA
(SCTFA-SNN)
not
only
significantly
outperforms
baseline
(BL-SNN)
two
other
models
degenerated
modules,
but
also
achieves
competitive
accuracy
existing
state-of-the-art
(SOTA)
methods.
Additionally,
our
detailed
analysis
shows
proposed
SCTFA-SNN
model
has
strong
robustness
noise
outstanding
stability
when
faced
incomplete
data,
while
maintaining
acceptable
complexity
efficiency.
Overall,
these
findings
indicate
incorporating
appropriate
cognitive
of
may
provide
promising
approach
elevate
IEEE Transactions on Cognitive and Developmental Systems,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 15
Published: Jan. 1, 2024
Event-based
sensors,
distinguished
by
their
high
temporal
resolution
of
1
µs
and
a
dynamic
range
120
dB,
stand
out
as
ideal
tools
for
deployment
in
fast-paced
settings
like
vehicles
drones.Traditional
object
detection
techniques
that
utilize
Artificial
Neural
Networks
(ANNs)
face
challenges
due
to
the
sparse
asynchronous
nature
events
these
sensors
capture.In
contrast,
Spiking
(SNNs)
offer
promising
alternative,
providing
representation
is
inherently
aligned
with
event-based
data.This
paper
explores
unique
membrane
potential
dynamics
SNNs
ability
modulate
events.We
introduce
an
innovative
spike-triggered
adaptive
threshold
mechanism
designed
stable
training.Building
on
insights,
we
present
specialized
spiking
feature
pyramid
network
(SpikeFPN)
optimized
automotive
detection.Comprehensive
evaluations
demonstrate
SpikeFPN
surpasses
both
traditional
advanced
ANNs
enhanced
attention
mechanisms.Evidently,
achieves
mean
Average
Precision
(mAP)
0.477
GEN1
Automotive
Detection
(GAD)
benchmark
dataset,
marking
significant
increases
over
selected
SNN
baselines.Moreover,
efficient
design
ensures
robust
performance
while
optimizing
computational
resources,
attributed
its
innate
computation
capabilities.Source
codes
are
publicly
accessible
at
https://github.com/EMI-Group/spikefpn.
IEEE Transactions on Cognitive and Developmental Systems,
Journal Year:
2023,
Volume and Issue:
16(5), P. 1688 - 1697
Published: Dec. 4, 2023
Nowadays,
graph
collaborative
filtering
has
proven
to
be
a
highly
effective
method
in
recommendation
systems.
It
learns
user
preferences
through
interactions
between
users
and
items.
During
the
training
process
of
filtering,
introducing
suitable
perturbations
is
crucial
model
training.
commonly
used
prevent
overfitting
enhance
robustness.
Perturbation
widely
adopted
as
data
augmentation
technique
systems
extensively
contrastive
learning.
Contrastive
learning
involves
multi-task
aimed
at
various
views
from
diverse
augmentations.
However,
these
tasks
can
sometimes
interfere
with
each
other,
impacting
their
effectiveness.
In
contrast
methods
that
focus
on
achieve
better
embedding
representations,
we
propose
straightforward
yet
approach
directly
incorporate
Spike
Signal
Embedding
(SEP)
into
process.Unlike
many
other
approaches
introduce
Gaussian-distributed
noise,
spike
signals
generated
by
Poisson
encoder
typically
maintain
positive
relationship
original
embeddings.
Our
experimental
results
demonstrate
this
proposed
significantly
enhances
performance
when
compared
LightGCN.
leads
substantial
improvements
efficiency.