2 Commits
Author SHA1 Message Date
swim ceba9193f9 new yaml schema, new TODO 2026-09-01 16:01:49 +09:00
swim 635f2db5f0 added README and license 2026-08-25 15:03:00 +09:00
4 changed files with 117 additions and 3 deletions
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Copyright (c) 2026 Sooyoung Cheong
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation the
rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
sell copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
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# TODO: # TODO:
- fold_slice: - fold_slice:
- load diffractions / hdf5 files; change only param per job - load diffractions / hdf5 files; change only param per job
- restructure `FoldSlicePtychoEngine.__init__()` to load data but not params - restructure `FoldSlicePtychoEngine.__init__()` to load data but not params
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- change job.sub to job.sh - change job.sub to job.sh
- dynamic jobname - dynamic jobname
- pre-check result directory - pre-check result directory
- clean up examples for Si-FIB paper version
# TODAY: # TODAY:
- rename `BOEngine` to `Sampler` - change yaml schema, use stages in config-new.yaml
- separation of available GPUs and parallel sample batches - separation of available GPUs and parallel sample batches
- prepare next batch for efficient GPU use - prepare next batch for efficient GPU use
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io:
input_data_path: '/home/swim/shared/Si_project/data/Si2V1_2.mat'
result_dir: '/home/swim/bo-ptycho/results/test'
verbosity: 1
ptycho:
engine: 'fake'
# path: '/home/swim/fold_slice-park'
params:
voltage: 200
alpha_max: 30
defocus: -250
rot_ang: 0.3
Nlayers: 20
thickness: 250
rbf: 37
tilt_x: 2
tilt_y: 0
scan_step_size: 0.36
Niter: 10
Niter_save_results: 10
CBED_size: 192
ADU: 1
Nprobe: 1
N_scan_x: 64
N_scan_y: 64
extra_print_info: 'FIB'
scan_number: 1
gpu_id: 1
roi_label: '0_Ndp64'
diff_pattern_blur: 1
probe_change_start: 1
object_change_start: 1
grouping: 64
probe_position_search: 1
regularize_layers: 0.2
variable_probe: false
search:
metric: log_fourier
params:
defocus:
radius: 100
Nlayers:
radius: 5
type: int
thickness:
radius: 150
train_x:
train_y:
stages:
# - sampler: fixed
# - sampler: grid
# defocus: 7
# Nlayers: 11
# thickness: 7
- sampler: random
samples: 16
- sampler: sobo
samples: 256
batch: 4
acquisition: 'ucb'
beta: 0.1
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# bo-ptycho
This code is a (re)implementation of Bayesian Optimized ptychography in python for use at LEMON lab, used for
- Optimization-based Thickness Estimation and FIB-induced Damage Characterization of TEM Sample via Multislice Electron Ptychography (manuscript)
## Code usage
Prerequisites:
1. Create a python virtual environment with [requirements.txt](./requirements.txt)
2. Download [fold_slice](#)
2. Download [experimental data](#)
Reconstruction and parameter optimization:
1. Edit [config.yaml](./config.yaml)
- Example configurations can be found under `examples/silicon-fib/`
- Set io.input_data_path and io.result_dir as needed (WARNING: the result directory will be completely removed)
- Set ptycho.path to your fold_slice path
2. Edit [job.sub](./job.sub)
- Set the SBATCH configurations as needed (especially `gres` and `output`)
- The number of GPUs should match bo.batch in config.yaml
- Set the virtual environment path
- Set the config.yaml path
3. Submit the job via SLURM