Tao, Y., 2006.  Quality Assurance Imaging.  National Food Processor Association Annual Conference. Washington DC, November 14, 2006.

Tao, Y., 2006.  LaXser Imaging Detection. DPI Annual Conference. Ocean City, October 9, 2006.

Tao, Y., 2004. Imaging Modalities for Quality & Safety Inspections. CIGR International Annual Conference. Beijing, China. October 15, 2004. (Invited speech.)

Tao, Y., 2004. Bio-Imaging and Machine Vision. Zhejiang University, China. September 20-30, 2004. (Invited lecture as an appointed guest professor.)

Tao, Y., 2004. Advanced Detection Technology for Food Processing Lines. National Food Processor Association (NFPA) Annual Conference. Washington DC. Nov. 17, 2004. (Invited presentation to Industrial Quality Assurance Directors and Executives).

Tao, Y., 2004. Machine Vision & Imaging for Automated Detection of Hazardous Materials. National Food Processor Association (NFPA) Annual Conference. Washington DC. May 20, 2004. (Invited presentation to Industrial Quality Assurance Directors and Executives.)

Tao, Y. 2004. Machine Vision Intelligence, Process Automation, and Productivity. Invited lecture to Chinese Governmental Official Training Class. Sponsored by the Institute of Global Chinese Affairs of UMD. 9/2004.

Tao, Y. 2004. Machine Vision Intelligence, Process Automation, and Productivity. Invited lecture to Chinese Governmental Official Training Class. (Invited by the Institute of Global Chinese Affairs of UMD, 11/2004).

Tao, Y. 2002. Machine vision and imaging for inspection of agricultural materials. Zhejiang University, Hangzhou, China, June 28. Invited (and expense-covered) by Zhejiang University, China.

Tao, Y. 2002. Machine Vision and Productivity: Techniques and collaborations in fruit/food quality sorting, X-ray detection of hazardous materials in foods, and other high-speed machine vision on-line inspections. Forum on Ag & Bio System Engineering Development Strategy. Yangling, China June 26. Invited by the Minister of Agriculture of China and Chinese Society of Agricultural Engineers.

Tao, Y., X. Chen, and H. Jing. 2001. Integrated techniques for accurate detection of bone fragments. 36^th National Meeting on Poultry Health and Processing.pp.76-81.Ocean City, MD. Oct.17-19, 2001. Invited (and expense-covered) by Delmarva Poultry Association.

Tao, Y. 2001. Machine Vision for Food Quality and Safety. Invited by National Food Processor Association (NFPA). Audiences were Food Industry, FBI, FDA, and USDA. Washington, DC. July 16, 2001.

Tao, Y. 2000. Invited Critical Review: Photonics in fruit and vegetable quality assessment. In book: Optics in Agriculture 1990-2000. Vol. CR80. pp.65-100. ISBN: 0-8194-3884-7. Invited by The International Society for Optical Engineering. Boston, MA.

Tao, Y. 2000. Imaging analyses of biological materials for food safety. Invited by American Institute for Medical and Biological Engineering (AIMBE). Washington DC. March 3, 2000.

Tao, Y. 2000. Increase values of food and agricultural products. Invited by US-China Science, Technology, and Business. McLean, VA. Nov. 18, 2000.

Tao, Y. 1999. Technology and application of large-scale machine vision sorting lines for fruits and vegetables. Beijing, China. July 12-19, 1999. Invited by the Ministries of Agriculture, Science and Technology, Education, and Foreign Expert Bureau. (Among the 40 selected from 175 scientists recommended in a worldwide selection).