PhotoPlus Expo HDR Seminar
- October 22nd, 2008
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PhotoPlus Expo – October 23th – 25th.
I am teaching an HDRI class at this year’s PPE event. High Dynamic Range Images are not new. The technique has been around for decades, mostly used by the film industry. Photographers have been jumping on the HDR bandwagon for a few years now. Personally, I have been working with HDR images for about 5 years. Within the past 5 years the ease of entry to HDR capture and processing has greatly improved. During the “bleeding days” most of the process was purely manual and with a small community, and very few places to get support or information. During the “leading days” several developers created Photoshop plugins and standalone software to help with the HDR process. We are currently transitioning form the “leading days” to common use days. At the moment there are many, many HDR programs, some more mature than others. As the rate of adoption picks up so will the programs that support it.
Several points to remember if you are considering delving into the HDR fanfare:
• HDR is a technique and a process not just a file.
• True HDR files are 32bit files – meaning 4 times the files size, 4 times the memory and an incredible amount of horsepower is needed to work with these files.
• When you create your first HDR file you are going to look at it and think, “what is all fuss about, I can’t see a real difference”. And, yes would be right, you really can’t see it. That’s because, visually speaking, you are trying to drain a swimming pool with a straw. Your monitor, regardless of price, can barely show you 5-8 stops. You are trying to view 14-20 stops. Not possible.
• In order to work with HDR files you have to get a sense of what you see and don’t see. For those of you who have been working on 16bit files this should easy to grasp.
• As of this writing CS3 is not the best program to create and post produce HDR files. It lacks features and robustness.
• Its not possible to print or view the entire dynamic range in an HDR image but because there is so much information to chose from you have the luxury of creating images that were not possible before, at least not as effortlessly.
If you want to join us for the PhotoPlus Expo seminar please click on the link below.
HDR Seminar

