How to Create HDR Images With Photoshop
High Dynamic Range (HDR) is a relative newcomer in the field of photography, but it has been used in 3-D effects for quite some time. The theory behind HDR is that the human eye can see many more tones than a camera is able to capture. For that reason, you will need at least three shots of the same scene, one perfectly exposed, one underexposed and one overexposed to create an HDR photograph.
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Instructions
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Open Photoshop.
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Select "File," "Automate" and "Merge to HDR." Choose at least three images that you want to merge. One image should be perfectly exposed, one should be underexposed, and one should be overexposed. Check the box to automatically align the images and click "Ok." This will merge the images into one photograph.
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Turn off any images that cause blur by clicking on them in the left-hand column.
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Adjust the levels of the photograph using the "White Point" slider. Sliding the arrow to the left will make the image appear darker. Sliding it to the right will make the image lighter.
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Click "Ok" and save the image as a master 32 bit file.
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Choose "View" and "32 bit Preview Options" to make adjustments.
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Select "Image," "Adjustments" and "Exposure." Change the "Gamma" first. Sliding the "Gamma" arrow to the left will lower the gamma levels and increase the contrast. Sliding it to the right will increase the gamma levels and lower the contrast. Sliding the "Exposure" control to the right will make the image lighter and to the left will make it darker. Click "Ok."
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Click "Method" and "Local Adaption." Set the "Radius" to 5px and the "Threshold" to 2.63 and click "Ok."
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Choose "Image," "Mode" and "16 bit" to convert and complete the image.
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