afvis, in its 2011 implementation (GPU-based heatmap rendering), was described in the following paper:

Duchowski, A. T., Price, M. M., Meyer, M., and Orero, P., Aggregate Gaze Visualization with Real-time Heatmaps, in Eye Tracking Research & Applications (ETRA) March 28-30, 2011, Santa Barbara, CA, ACM.

• afvis.tar.gz
  License:

  Copyright 2012 Andrew Duchowski

  Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

iComp, renamed classify, in its 2011 implementation (based on heatmap similarity), was described in the following paper:

Grindinger, T. J., Murali, V. N., Tetreault, S., Duchowski, A. T., Birchfield, S. T., and Orero, P., Algorithm for Discriminating Aggregate Gaze Points: Comparison with Salient Regions-Of-Interest, in Proceedings of the International Workshop on Gaze Sensing and Interactions (IWGSI), November 8, 2010, Queenstown, New Zealand.

• classify.tar.gz
  License:

  Copyright 2012 Andrew Duchowski

  Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

iComp, in its 2010 implementation (based on scanpath comparison), was described in the following paper:

Duchowski, A. T., Driver, J., Tan, W., Robbins, A., Ramey, B. N., and Jolaoso, S., Scanpath Comparison Revisited, in Eye Tracking Research & Applications (ETRA) Austin, TX, March 22-24, 2010, ACM.

© ACM, (2010). This is the author's version of the work. It is posted here by permission of ACM for your personal use. Not for redistribution. The definitive version was published in Proceedings of the Symposium on Eye Tracking Research & Applications (ETRA), Austin, TX (22-24 March, 2010) http://doi.acm.org/10.1145/nnnnnnnnnn.nnnnnnnnnn.

The 2010 version of the code is available below, with the afvis monicker (as I was working on something else at the time), and complete with the data set that was analyzed for the above paper:

• afvis.tar.gz
  License:

  Copyright 2010 Andrew Duchowski

  Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

The following poster briefly summarized iComp as implemented by John Heminghous in 2006:

John Heminghous and Andrew T. Duchowski, iComp: A Tool for Scanpath Visualization and Comparison (poster) in Symposium on Applied Perception in Graphics and Visualization (APGV), Boston, MA, 28-30 July, 2006.

© ACM, (2006). This is the author's version of the work. It is posted here by permission of ACM for your personal use. Not for redistribution. The definitive version was published in Proceedings of the Symposium on Applied Perception in Graphics and Visualization (APGV), Boston, MA (28-30 July, 2006) http://doi.acm.org/10.1145/nnnnnnnnnn.nnnnnnnnnn.

The 2006 version of the code is available below:

• icomp.tar.gz
  License:

  Copyright 2006 John Heminghous

  Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.