Thanks to a problem with my roof I recently found this ideal example of a website that is in need of some SEO. The whole site is a collection of images.
http://www.pjsroofing.eu/
Wednesday, March 12, 2014
COMP6021 Class 26 Transparency & PNG
We looked at transparency, alpha channels, and PNG.
[due to a technology failure there is no recording of today's class. The (shockingly similar) class above is from four years ago.]
Tuesday, March 11, 2014
COMP6021/COMP6023 JPEG
Here's an online video I made some time about about JPEG. It is largely the same as what we did in class.
This rather unusual logo has it origins in the way JPEG works.
Labels:
COMP6021,
COMP6023,
compression,
DCOM1,
Digital Images,
DNET1,
DWEB1,
ITM1
COMP6023 DNET1 Labs
For the remaining 6 weeks of the semester the DNET1 labs will be taken with James O'Sullivan. I will still see students in the lectures.
COMP6023 DNET1/COM1c Class 26 GIF & JPEG
We looked at GIF & JPEG image formats.
[no recording due to technical problems]
[no recording due to technical problems]
COMP6021 Class 25 GIF & JPEG
the one with the DCT
We looked at the main features of the GIF and JPEG image formats.
COMP6023 DWEB1/ITM1 Class 26 GIF & JPEG
We looked at the main features of GIF & JPEG.
Students now ave everything they need to complete Assignment 2.
COMP6023 DWEB1/ITM1 Class 25 Indexed Colour and Dithering
We looked at indexed colour, colour palettes, and dithering.
Monday, March 10, 2014
COMP6023 Essay title errors and omissions
Today I corrected any errors in the essay choices of which I was made aware.
Students may no longer chose a topic. That choice was made for them some time ago.
However, if you made a choice, advised me of it, and the list does not reflect that please let me know and I will try to find the e-mail you sent me.
Please check the list to ensure that the blog URL and essay title are correct.
Students may no longer chose a topic. That choice was made for them some time ago.
However, if you made a choice, advised me of it, and the list does not reflect that please let me know and I will try to find the e-mail you sent me.
Please check the list to ensure that the blog URL and essay title are correct.
COMP6023 DCOM1 Class 25 Subsampling, Indexed Colour & Dithering
[no recording today]
We looked at subsampling and interpolation. We saw how 24 bit images can be coded with fewer bits per pixel by using a well chosen palette. We played a palette matching game.
I explained how dithering works and students did an exercise on dithering. There are more such exercises in the notes, for students interested in doing more.
We looked at subsampling and interpolation. We saw how 24 bit images can be coded with fewer bits per pixel by using a well chosen palette. We played a palette matching game.
I explained how dithering works and students did an exercise on dithering. There are more such exercises in the notes, for students interested in doing more.
Labels:
colour,
COMP6023,
compression,
DCOM1,
Digital Images
COMP6023 DNET1/COM1c Class 25 Dithering
We looked at dithering. [no recording]
We did an exercise in class. There are other similar exercises in the slides.
I answered a few questions about interpolation.
We did an exercise in class. There are other similar exercises in the slides.
I answered a few questions about interpolation.
Labels:
colour,
COMP6023,
compression,
Digital Images,
DNET1
Thursday, March 6, 2014
COMP6023 DCOM1 Class 24
We looked at the Lab and CMYK colour systems.
We finished a bit earlier than usual. I wasn't keeping an eye on the time. It felt longer. I guess I was tired :-)
COMP6021 Class 24
the one with Colin's tie
We looked at indexed colour palettes and at dithering.
Only 5 students were in class.
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