E. , D. And-rheingans, and P. , Volume illustration: Nonphotorealistic rendering of volume models, Proceedings Visualization, pp.195-202, 2000.

E. , K. Kraus, M. And-ertl, and T. , High-quality preintegrated volume rendering using hardware-accelerated pixel shading, HWWS '01: Proceedings of the ACM SIG- GRAPH/EUROGRAPHICS workshop on Graphics hardware, pp.9-16, 2001.

F. , J. M. Singh, M. And-maloney, and L. T. , Combining achromatic and chromatic cues to transparency, J Vis, vol.6, issue.8, pp.760-776, 2006.

G. , W. Stultiens, C. I. Troost, J. M. And-de-weert, and C. M. , Transparent layer constancy, J Exp Psychol Hum Percept Perform, vol.16, issue.1Feb, pp.3-20, 1990.

I. , V. Fuchs, H. And-pizer, and S. M. , Conveying the 3D shape of smoothly curving transparent surfaces via texture, IEEE Trans. Vis. Comput. Graph, vol.3, issue.2, pp.98-117, 1997.

K. , J. T. And-herzen, and B. P. , Ray tracing volume densities, SIGGRAPH '84: Proceedings of the 11th annual conference on Computer graphics and interactive techniques, pp.165-174, 1984.

K. , R. And-kingdom, and F. A. , Precision, accuracy, and range of perceived achromatic transparency, J Opt Soc Am A Opt Image Sci Vis, vol.18, issue.1, pp.1-11, 2001.

A. Kaufman and K. And-mueller, The Visualization Handbook, pp.127-174, 2005.

K. , M. Stewart, J. Troje, N. F. And-ellis, and R. E. , Enhancing depth perception in translucent volumes, IEEE Trans. Vis. Comput. Graph, vol.12, issue.5, pp.1117-1124, 2006.

L. , P. And-levoy, and M. , Fast volume rendering using a shear-warp factorization of the viewing transformation, SIGGRAPH, ACM, pp.451-458, 1994.

M. , B. And-ebert, and D. S. , Instant volumetric understanding with order-independent volume rendering, Comput. Graph. Forum, vol.23, issue.3, pp.489-498, 2004.

P. , H. Lorensen, B. Schroeder, W. Bajaj, C. And-kindlmann et al., The transfer function bake-off (panel session), VIS '00: Proceedings of the conference on Visualization '00, pp.523-526, 2000.

R. , T. Steinicke, F. And-hinrichs, and K. H. , Visually supporting depth perception in angiography imaging, Proceedings of the 6th International Symposium on Smart Graphics (SG06), pp.93-104, 2006.

S. , C. R. And-pylyshyn, and Z. W. , Multiple object tracking and attentional processing, Can J Exp Psychol, vol.54, issue.1, pp.1-14, 2000.

S. , M. And-anderson, and B. L. , Toward a perceptual theory of transparency, Psychol Rev, vol.109, issue.3, pp.492-519, 2002.

W. , H. And-o-'connell, and D. N. , The kinetic depth effect, J Exp Psychol, vol.45, issue.4, pp.205-217, 1953.