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Xflow

version 1.0.0.0 (12.2 MB) by DS
Image analysis for Jet-in-crossflow data.

1 Download

Updated 13 Apr 2007

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Xflow examines image files and attempts to separate droplets, voids, and the central jet appearing in the image.

An adjustable threshold based on Otsu's method (ref.1) is used to segment the base image data.

Automated analysis for Sauter mean diameter of droplets, periodic features of the jet, and droplet and void statistics are possible with Xflow.

Background reduction using user-selected background images as well as basic functions such as image cropping are included under the Tools menu.

Note: This analysis tool is under development. Changes are forthcoming. Constructive comments, suggestions, and feature requests are appreciated.

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References:
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(1) Otsu, N., "A Threshold Selection Method from Gray-Level Histograms," IEEE Transactions on Systems, Man, and Cybernetics, Vol. 9, No. 1, 1979, pp. 62-66.

Cite As

DS (2020). Xflow (https://www.mathworks.com/matlabcentral/fileexchange/13731-xflow), MATLAB Central File Exchange. Retrieved .

Comments and Ratings (5)

Mihai Ioan

Faruk Yesil

Dr.El-Sayed Sehsah

I need a copy from this file if it is possiable!
thanks

chen cc

Meg Paci

Great program with a lot of versatility

Updates

1.0.0.0

Added interactive view for threshold and background adjustments. Added persistent options to save_session.m and load_session.m, and reformatted GUI text.

Fixed typographical error in update_mainpanel.m

Fixed typographical error in update_mainpanel.m

Vectorized and streamlined Xflow functions for cleaning images, finding image features, and periodic analysis. This functionality is now available in standalone functions as well as via the GUI.

Added background reduction level adjustment. Implemented new SMD calculation based on modified Rosin-Rammler distribution. Improved save file format/clarity. Added freq. edit box functionality.

Added background reduction level adjustment. Implemented new SMD calculation based on modified Rosin-Rammler distribution. Improved save file format/clarity. Added freq. edit box functionality.

Added options for the background used when displaying jet, drop, and void images. Show_voids, show_king, and show_drops are obsolete. This functionality is implemented in the new drawfeature function.

Added threshold adjustment to unused slider, renamed sample files, and cleaned up some help/comment text.

Corrected logic error in SMD calculations. Added sensible MatLab help to some of the functions and code. Added unit designations to the save file labels. Added a slider bar that does nothing.

Improved file saving options, added sessions and Excel file handling.

Added persisting save directory and simple ligament analysis.

Edited descriptions and added screenshot.

Added display options for background, dark noise background, and aperture mask images. Fixed issue with mismatching base and background file sizes. Fixed issue in find_structures routine. Added titles to images generated by 'Show all views'.

Added background correction options.
Changed colormaps for display routines.

Cleaned up some comments and code descriptions, and added persisting directory behavior for opening base and background images so you don't have to continually browse to your data directory every time you load an image.

MATLAB Release Compatibility
Created with R14SP2
Compatible with any release
Platform Compatibility
Windows macOS Linux