Photoshoppery

Photoshoppery of the Day

by Joey deVilla on September 19, 2009

I was 10 years old when Space Invaders came out, so this photo brings back happy memories:

space_invadersClick the photo to see it on its original page.

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A Busy Day

by Joey deVilla on June 2, 2009

It’s a busy, meeting-filled day for Yours Truly down at the local headquarters for The Empire. Here’s a (slightly edited) photo that I took at our big Evangelism team meeting around 3:30 this afternoon:

battle_station_plans

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Turning Ho-Hum Colour into WOW! with Photoshop

by Joey deVilla on December 2, 2008

"Before/after" photo showing the Photoshop colour-enhancing technique in action

My old co-worker Darren “Problogger” Rowse IM’d me to let me know about a new article on Digital Photography School titled Turn Ho-Hum Color into WOW! with Photoshop written by guest blogger Helen Bradley. The “before and after” photos show some pretty impressive results.

"Before/after" photo showing the Photoshop colour-enhancing technique in action

This technique makes use of the Lab colour space, which people tend to eschew in favour of the CMYK (Cyan-Magenta-Yellow-blacK, which comes from the print world) and RGB (Red-Green-Blue, which geeks are comfortable with).

Here’s what Wikipedia has to say about Lab colour:

Unlike the RGB and CMYK color models, Lab color is designed to approximate human vision. It aspires to perceptual uniformity, and its L component closely matches human perception of lightness. It can thus be used to make accurate color balance corrections by modifying output curves in the a and b components, or to adjust the lightness contrast using the L component. In RGB or CMYK spaces, which model the output of physical devices rather than human visual perception, these transformations can only be done with the help of appropriate blend modes in the editing application.

Lab’s channels are:

  • L: Lightness. You can use this to adjust the lightness of the image without changing any of the colour settings. This is what makes LAB stand apart from CMYK and RGB, where lightness and colour are tied together.
  • a: Green and magenta.
  • b: Blue and yellow.

"Before/after" photo showing the Photoshop colour-enhancing technique in action

Bradley says that “The process is ridiculously simple, it requires no selections to be made, and it can be recorded as a simple action. It’s my kind of fix – quick, easy and very powerful.”

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Speeder Dogs!

by Joey deVilla on April 30, 2008

As both a dog person and an aficionado of science fiction action flicks, this photo amuses me to no end:

\"Star Wars\" Stromtroopers riding dogs like speeder bikes
Photo courtesy of Miss Fipi Lele.

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