J4 Home Page

This page is preliminary and currently under construction.

J4 is a quantitative medical imaging software toolbox, focused primarily on PET, MRI and CT applications for cardiology. J4 is an outgrowth of the earlier I4 imaging system and utilizes JSim for quantitative modeling. J4 is developed at the University of Washington, in the departments of Bioengineering, Cardiology and Radiology.

J4 Release Notes

This document provides a running log of changes made in the various J4 releases. Current alpha and beta releases are numbered consecutively starting at 0.900. Future public releases will be numbered consecutively starting with 1.000.

QPP Version 0.919 - Released 24 Apr 2014.

Augmented report functionality in Polar page "Snapshots" menu:

QPP Known bugs

This page lists QPP bugs and desired features that are known to the developers, but not yet addressed or implemented. The ordering below is for reference purposes, and has no particular significance as to priority.