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DISPLAY METROLOGY
SHORT COURSE
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STUDENTS' COMMENTS |
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Most
students seem to enjoy taking the course and feel that it is an
eye-opener.
We have selected a few of their comments to share with you here. These
are their responses to the italicized questions asked at the end of the
course. (The evaluations are anonymous unless the student permits their
comments to appear here.) We have added the overall numerical
evaluations from all the students who submitted evaluations from 8/06
to 3/07 (average standard deviation is 0.13). (LW)
= Dr.
Larry Webber, President of the Society for Information Display, 2007,
provided detailed comments that are reproduced here in their entirety. Can you make any overall comment about the course; for example, how would you describe it to others? This course
is of great value
to anyone that needs to do display measurements. Students
ranging from beginning engineers to well
experienced display experts will find this course quite useful.
Both companies that manufacture and sell
displays
or companies that buy displays to put in end-user-products should
consider
sending their technical staff to this course. The
principles taught will significantly increase the
quality of the
company's product and also the efficiency of production. Much
of the material covered cannot be found
in any university lecture or book. The
opportunity to learn the proper measurement techniques in a
high-quality
laboratory devoted to display measurement is unique in the world. (LW) A valuable course for all professionals who have to deal with Flat Panel Display measurements. (Hans Hoffmann, EBU – Geneva) I
originally came for the instruction and was not so concerned with the
experiments, but the experiments are really the key to understanding
the
problems in metrology and I think are the true value of this course.
(Dave Schnuelle, Dolby) Wanted to drop you a note and let you know how much
I enjoyed the Display Metrology course last week. It was informative,
delivered well, and quite eye-opening. Though I had read some of the
VESA standards already, it was very useful to be able to see the
dramatic errors that can be incurred while making measurements that on
the surface seem quite straightforward (especially in the veiling glare
experiments). And it was also encouraging to see methods presented for
making robust measurements at low cost (i.e., reflection measurement).
The hands-on aspects of the course helped to develop better instincts
about how to navigate the pitfalls of display measurement in a way that
just reading about it could not. (Vani Pasupathy, IFire Technology) An excellent course. Anyone involved in the
measurement of displays should stop now and attend this course. It will
be worth it! (Andrew Deadman, National Physical Laboratory, UK. [NPL]) Excellent description of display metrology
fundamentals, well-planned experiments that tie in with the course
material making the content easier to understand and thoroughly
enjoyable. (Paul Miller, NPL) This course is essential for anyone tasked with
objectively measuring a display. The source of error is hidden from the
uninitiated, so wildly wrong conclusions are easy to obtain. After this
course no one will pick up a light meter with the foolish notion that
characterizing an electronic sign or measuring contrast is something
that can be done easily. A respect for the difficulty of the task is
the first step to its solution. This course alerts the engineer to the
dangers and provides practical methods to work around them. The
lectures and course are complete with examples and tasks that are
practical. (Jim Larimer, ImageMetrics) Great course. Having the theory in the morning and
lab in the afternoon was perfect. During the course, there were a few
times when I said to myself, "I've been doing this completely wrong."
(Mayime Caron, CBC/Radio, Canada) Would you recommend the course to others? (5 = yes,
absolutely!; 1 = no, terrible!) = 4.78
Did you feel that the course was of value to
you? (5 = extremely valuable, 1 = not valuable) = 4.62 I have worked in the display field for 37 years as an experimentalist and have made many display measurements. In spite of my experience, this course was of great value to me. I learned of many measurement pitfalls that were not initially obvious to me. I will likely never take another display measurement without using something that I learned in this course. (LW) Dr. Kelley is
an excellent
teacher. His lectures are well prepared
with very clear notes. He really knows
the material well and is quick to answer the student’s questions.
He not only covers the fundamentals but also
serves as an “expert’s expert”. The one
day lecture is well balanced and compliments the experiments
nicely.
During the labs, he let the students learn by
doing things themselves, but he was always available to answer
questions when
needed. (LW) [Note: We now provide
two half-day lectures in the mornings so you are not inundated with
eight hours of lecture.--EFK] Was there too much math in the lecture? (5 = no,
math was useful; 1 = yes, too much!) = 3.88 Did you benefit from
the experiments? (5 = very much, 1 = not at all) = 4.82 The experiments are the key part of this course! They have been skillfully designed to teach the proper way to make the measurements and to illustrate first hand the many things that can go wrong. (LW) I found the experiments well designed for teaching. They require that the students directly take the data to gain the confidence of the result. At the same time they guide the student down the path that leads to the correct instructive conclusion. Many of the myths of display metrology are dispelled by the results. The spreadsheets have been nicely designed to reduce the math drudgery and allow the student to achieve the results in the minimum time. Putting the data on the USB memory stick is a fantastic way to allow the student to record the results so that they can be studied after the course is complete. The reading and explanation are at the appropriate level. (LW) The biggest problem is that it is not possible to completely do 13 different experiments in 2 days. However I would not eliminate or change any of these measurements. Perhaps a 3rd day of experiments should be advertised as an option. I really wanted to do all of the experiments but could not complete them in two days. Fortunately I have the spreadsheets on the USB memory stick and can review the experiments that I did not complete at home. (LW) [Note: We now have Friday open (and catered).--EFK] There are a few minor software and user interface bugs in the experiments that need to be worked out. This is very normal for anything as complicated as these experiments. (LW) [Note: We continue to make changes and improve the spreadsheets and laboratory apparatus.--EFK] Thanks to all our participants. We enjoyed
having you all! ![]()
Updated 20070328T1213
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