Image and video analysis tools for experimental sciences
Analysis tools for experimental sciences to display images, detect particles (cells, bubbles, crystals), moving fronts and analyze their shape, size and distibution.
Install from pip with the command
pip install xptools
- analyze_front - This scipt takes a directory containing video files. For each file, it asks the user to select a region of interest and processes the selected area with a minimum threshold to find the largest area. It then plots the height of this area as a function of time.
analyze_front --plotly --scale 60 --framerate 30 moviedirectory/
- display_image_matrix - Arranges all the images in a directory as a matrix and saves the resulting image
display_image_matrix --lines 10 --compress imagedirectory/
Several utilities are included in the submodule utils including:
select_roi:select_rectangle - Prompts the user to make a rectangular selection on the passed image and returns the coordinates of the selection.
videotools:open_video - Opens a video file as a list of np.arrays each containing one frame of the video.
videotools:determine_threshold - Determines the threshold to use for a video based on the minimum threshold algorithm.
videotools:obtain_cropping_boxes - Prompts the user to select the region of interest for each video file. Returns a dataframe containing the coordinates of the selected area for each file.
imagetools:open_all_images - Opens all the images in a folder and returns a list of cv2 images.
import pandas as pd from xptools.utils import videotools df_crop = obtain_cropping_boxes(['Film1.avi','Film2.avi']) g_crop = df_crop.groupby('ExpName') for name in g_crop.groups.keys(): (minRow, minCol, maxRow, maxCol) = g_crop.get_group[name]['CroppingBox'] stack = [img[minRow:maxRow,minCol:maxCol] for img in stack]
- BroadSpectrumTesting.ipynb - Tests different image analysis techniques to determine which is most appropriate
- FocusedAnalysis.ipynb - Implements a specific analysis and plots the resulting size and number distributions for the particles
Code for display_image_matrix adapted from https://gist.github.com/pgorczak/95230f53d3f140e4939c#file-imgmatrix-py
This project is licensed under the MIT License - see the LICENSE.md file for details.
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