A Generalized Lagrange-Multiplier Method for Constrained Matrix Games. - Alan I. Penn (Oper. Res., 1971)

Estimating fractal dimension of medical images. - Alan I. Penn; Murray H. Loew (Image Processing, 1996)

Estimating Fractal Dimensions with Fractal Interpolation Function Models. - Alan I. Penn; Murray H. Loew (IEEE Trans. Medical Imaging, 1997)

Statistical fractal border features for MRI breast mass images. - Alan I. Penn; Lizann Bolinger; Murray H. Loew (Image Processing, 1998)

Statistical fractal border features for mammographic breast mass analysis. - Alan I. Penn; Scott F. Thompson; Murray H. Loew; Radhika Sivaramakrishna; Kimerly A. Powell (Image Processing, 1999)

Sketching a virtual environment: modeling using line-drawing interpretation. - Alasdair Turner; David Chapman; Alan Penn 001 (VRST, 1999)

Fractal discrimination of MRI breast masses using multiple segmentations. - Alan I. Penn; Scott F. Thompson; Mitchell D. Schnall; Murray H. Loew; Lizann Bolinger (Image Processing, 2000)

Sketching space. - Alasdair Turner; David Chapman; Alan Penn 001 (Comput. Graph., 2000)

Preliminary performance analysis of breast MRI CAD system. - Alan I. Penn; Nitin Kumar 005; Scott F. Thompson; Mitchell D. Schnall; Fei Wang; Constantine Gatsonis (Image Processing, 2001)

The system-user paradox: do we need models or should we grow ecologies? - Alan Penn 001 (TAMODIA, 2005)

Engaging with a situated display via picture messaging. - Karen Martin; Alan Penn 001; Lesley Gavin (CHI Extended Abstracts, 2006)

Moving office: inhabiting a dynamic building. - Holger Schnädelbach; Alan Penn 001; Phil Steadman; Steve Benford; Boriana Koleva; Tom Rodden (CSCW, 2006)

Instrumenting the City: Developing Methods for Observing and Understanding the Digital Cityscape. - Eamonn O'Neill; Vassilis Kostakos; Tim Kindberg; Ava Fatah gen. Schieck; Alan Penn 001; Danae Stanton Fraser; Tim Jones (UbiComp, 2006)

Designing Urban Pervasive Systems. - Vassilis Kostakos; Eamonn O'Neill; Alan Penn 001 (Computer, 2006)

Brief encounter networks - Vassilis Kostakos; Eamonn O'Neill; Alan Penn 001 (CoRR, 2007)

Brief encounters: Sensing, modeling and visualizing urban mobility and copresence networks. - Vassilis Kostakos; Eamonn O'Neill; Alan Penn 001; George Roussos; Dikaios Papadogkonas (ACM Trans. Comput. Hum. Interact., 2010)

Exploring Digital Encounters in the Public Arena. - Ava Fatah gen. Schieck; Vassilis Kostakos; Alan Penn 001 (Shared Encounters, 2010)

My neighbourhood: Studying perceptions of urban space and neighbourhood with moblogging. - Danae Stanton Fraser; Tim Jay; Eamonn O'Neill; Alan Penn 001 (Pervasive Mob. Comput., 2013)

A framework for simulating large-scale complex urban traffic dynamics through hybrid agent-based modelling. - Ed Manley; Tao Cheng 004; Alan Penn 001; Andy Emmonds (Comput. Environ. Urban Syst., 2014)

Discrimination of benign from malignant breast lesions in dense breasts with model-based analysis of regions-of-interest using directional diffusion-weighted images. - Alan I. Penn; Milica Medved; Vandana Dialani; Etta D. Pisano; Elodia B. Cole; David Brousseau; Gregory S. Karczmar; Guimin Gao; Barry D. Reich; Hiroyuki Abe (BMC Medical Imaging, 2020)

An investigation into the cognitive, metacognitive, and spatial markers of creativity and efficiency in architectural design. - Kinda Al-Sayed; Peter C.-H. Cheng; Alan Penn 001 (Artif. Intell. Eng. Des. Anal. Manuf., 2021)

Aha! I know where I am: the contribution of visuospatial cues to reorientation in urban environments. - Efrosini Charalambous; Sean Hanna; Alan Penn 001 (Spatial Cogn. Comput., 2021)

Safely reducing unnecessary benign breast biopsies by applying non-mass and DWI directional variance filters to ADC thresholding. - Alan Penn 001; Milica Medved; Hiroyuki Abe; Vandana Dialani; Gregory S. Karczmar; David Brousseau (BMC Medical Imaging, 2022)