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@alexlib
alexlib / untitled14.ipynb
Last active October 2, 2025 12:13
Self-tutoring demo of reservoir computing using the list sorting algorithm
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@alexlib
alexlib / nhist.py
Created September 22, 2025 15:03
normalized histogram, nhist in Matlab-like and Numpy way
import numpy as np
from matplotlib import pyplot as plt
from typing import Optional, Tuple, Union
def nhist_scipy(
y: np.ndarray,
bins: Union[int, np.ndarray] = 20,
plot: bool = True,
density: bool = True,
kde: bool = False
@alexlib
alexlib / Dockerfile
Created August 25, 2025 21:41 — forked from Moosems/Dockerfile
Tkinter Docker App Example
FROM ubuntu:20.04 as builder
FROM python:3.10.7
# Create a user to run the application
RUN apt-get update && \
apt-get -y install sudo
RUN useradd -ms /bin/bash docker && echo "docker:docker" | chpasswd && adduser docker sudo
@alexlib
alexlib / visualize_markers.ipynb
Created August 3, 2025 08:19
Convert proPTV markers to OpenPTV calibration setup
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@alexlib
alexlib / Readme.md
Created April 26, 2025 06:38
John D'Errico's inpaint in 3D with Python counterexample using Scipy and tests. The Matlab function is from pivSuite v0.8.3 
test_inpaint_equivalence.py
..
----------------------------------------------------------------------
Ran 2 tests in 1.908s

OK
(.conda) user@user-NUC8i7BEH:~/Documents/repos/OpenOpticalFlow_PIV_v1$ /home/user/Documents/repos/OpenOpticalFlow_PIV_v1/.conda/bin/python /home/user/Documents/repos/OpenOpticalFlow_PIV_v1/test_inpaint_equivalence.py
..
----------------------------------------------------------------------
@alexlib
alexlib / trajectories_to_eulerian_average_field.py
Last active April 12, 2025 18:44
Flowtracks trajectories to Eulerian average field using RBF interpolator
import numpy as np
from scipy.interpolate import RBFInterpolator
import matplotlib.pyplot as plt
import matplotlib.colors as mcolors
def process_frames_average(particles, N, corner_m, fps, max_frames=None):
"""
Process multiple frames to create average velocity maps.
Args:
@alexlib
alexlib / trajectories_to_txt_for_Paraview.py
Last active April 12, 2025 18:31
trajectories to vtk
import pandas as pd
from flowtracks.scene import Scene
import numpy as np
h5_name = r'../corner_51.h5'
particles = Scene(h5_name)
ids = particles.trajectory_ids()
dataframes = []
@alexlib
alexlib / bundle_adjustment_scipy.ipynb
Created March 14, 2025 18:01 — forked from nmayorov/bundle_adjustment_scipy.ipynb
Large scale bundle adjustment in scipy
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@alexlib
alexlib / heart.ipynb
Created February 10, 2025 15:24
From Mathworks LinkedIn post to Jupyter Notebook through Mistral Le Chat :) (https://www.linkedin.com/posts/the-mathworks_2_matlab-heart-ugcPost-7294671504095539200-leqV?utm_source=share&utm_medium=member_desktop)
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@alexlib
alexlib / simple_idw.ipynb
Created December 24, 2024 20:52 — forked from Majramos/simple_idw.ipynb
Simple inverse distance weighted (IDW) interpolation with python
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