The International Journal of Biochemistry & Cell Biology,
Journal Year:
2018,
Volume and Issue:
101, P. 74 - 79
Published: May 28, 2018
Super-resolution
microscopy
techniques
break
the
diffraction
limit
of
conventional
optical
to
achieve
resolutions
approaching
tens
nanometres.
The
major
advantage
such
is
that
they
provide
close
those
obtainable
with
electron
while
maintaining
benefits
light
as
a
wide
palette
high
specificity
molecular
labels,
straightforward
sample
preparation
and
live-cell
compatibility.
Despite
this,
application
super-resolution
dynamic,
living
samples
has
thus
far
been
limited
often
requires
specialised,
complex
hardware.
Here
we
demonstrate
how
novel
analytical
approach,
Super-Resolution
Radial
Fluctuations
(SRRF),
able
make
accessible
wider
range
researchers.
We
show
its
applicability
live
expressing
GFP
using
commercial
confocal
well
laser-
LED-based
widefield
microscopes,
latter
achieving
long-term
timelapse
imaging
minimal
photobleaching.
2022 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR),
Journal Year:
2019,
Volume and Issue:
unknown, P. 2124 - 2132
Published: June 1, 2019
The
field
of
image
denoising
is
currently
dominated
by
discriminative
deep
learning
methods
that
are
trained
on
pairs
noisy
input
and
clean
target
images.
Recently
it
has
been
shown
such
can
also
be
without
targets.
Instead,
independent
images
used,
in
an
approach
known
as
Noise2Noise
(N2N).
Here,
we
introduce
Noise2Void
(N2V),
a
training
scheme
takes
this
idea
one
step
further.
It
does
not
require
pairs,
nor
Consequently,
N2V
allows
us
to
train
directly
the
body
data
denoised
therefore
applied
when
other
cannot.
Especially
interesting
application
biomedical
data,
where
acquisition
targets,
or
noisy,
frequently
possible.
We
compare
performance
approaches
have
either
and/or
available.
Intuitively,
cannot
expected
outperform
more
information
available
during
training.
Still,
observe
drops
moderation
compares
favorably
training-free
methods.
Single-molecule
localization
microscopy
(SMLM)
describes
a
family
of
powerful
imaging
techniques
that
dramatically
improve
spatial
resolution
over
standard,
diffraction-limited
and
can
image
biological
structures
at
the
molecular
scale.
In
SMLM,
individual
fluorescent
molecules
are
computationally
localized
from
sequences
localizations
used
to
generate
super-resolution
or
time
course
images,
define
trajectories.
this
Primer,
we
introduce
basic
principles
SMLM
before
describing
main
experimental
considerations
when
performing
including
labelling,
sample
preparation,
hardware
requirements
acquisition
in
fixed
live
cells.
We
then
explain
how
low-resolution
processed
reconstruct
images
and/or
extract
quantitative
information,
highlight
selection
discoveries
enabled
by
closely
related
methods.
discuss
some
limitations
potential
artefacts
as
well
ways
alleviate
them.
Finally,
present
an
outlook
on
advanced
promising
new
developments
fast-evolving
field
SMLM.
hope
Primer
will
be
useful
reference
for
both
newcomers
practitioners
Quantitative
behavioral
measurements
are
important
for
answering
questions
across
scientific
disciplines-from
neuroscience
to
ecology.
State-of-the-art
deep-learning
methods
offer
major
advances
in
data
quality
and
detail
by
allowing
researchers
automatically
estimate
locations
of
an
animal's
body
parts
directly
from
images
or
videos.
However,
currently
available
animal
pose
estimation
have
limitations
speed
robustness.
Here,
we
introduce
a
new
easy-to-use
software
toolkit,
DeepPoseKit,
that
addresses
these
problems
using
efficient
multi-scale
model,
called
Stacked
DenseNet,
fast
GPU-based
peak-detection
algorithm
estimating
keypoint
with
subpixel
precision.
These
improve
processing
>2x
no
loss
accuracy
compared
methods.
We
demonstrate
the
versatility
our
multiple
challenging
tasks
laboratory
field
settings-including
groups
interacting
individuals.
Our
work
reduces
barriers
advanced
tools
measuring
behavior
has
broad
applicability
sciences.
Nature Communications,
Journal Year:
2021,
Volume and Issue:
12(1)
Published: April 15, 2021
Abstract
Deep
Learning
(DL)
methods
are
powerful
analytical
tools
for
microscopy
and
can
outperform
conventional
image
processing
pipelines.
Despite
the
enthusiasm
innovations
fuelled
by
DL
technology,
need
to
access
compatible
resources
train
networks
leads
an
accessibility
barrier
that
novice
users
often
find
difficult
overcome.
Here,
we
present
ZeroCostDL4Mic,
entry-level
platform
simplifying
leveraging
free,
cloud-based
computational
of
Google
Colab.
ZeroCostDL4Mic
allows
researchers
with
no
coding
expertise
apply
key
perform
tasks
including
segmentation
(using
U-Net
StarDist),
object
detection
YOLOv2),
denoising
CARE
Noise2Void),
super-resolution
Deep-STORM),
image-to-image
translation
Label-free
prediction
-
fnet,
pix2pix
CycleGAN).
Importantly,
provide
suitable
quantitative
each
network
evaluate
model
performance,
allowing
optimisation.
We
demonstrate
application
study
multiple
biological
processes.