Here are a few infrared experiments made during the 2014 National Cherry Blossom Festival in Washington, D.C. In all my previous infrared experiments I had converted the images to black & white. Then I learned about alternative processing techniques and gave them a try. These images have not been converted to black & white. Instead I tried the following steps:
- Adjusted the white balance using the eye dropper tool. In each case I chose the monument, though I did also experiment with choosing the blossoms with similar results. I believe it may be more correct to choose some living greenery, such as a nice patch of green grass or green leaves, but I didn't have any of that in these images to work from. This naturally converted the pink tones to gray tones, but retained the color in the images.
- Increased the saturation. This brought out the yellows and blues inherent in the infrared images, which I found fascinating.
- Increased contrast to add a little more punch.
- Applied noise reduction.
- Experimented with selective sharpening of the monuments.
Another technique I learned about was reversing the red and blue channels using the Channel Mixer in Photoshop. That's what I've done in the image below. This gives the sky a blue tone instead of the gold tone. I don't believe this technique works as well with this particular image, but it's interesting to see the differences.