I've found that effect about the pores on my 7g Pioneer plasma. In my case at least, I found that I had the sharpening up a bit too high. By lowering the sharpening, it actually gave me more detail with close up face shots appearing sharper.
When you use one of the calibration DVDs, it presumes that your DVD player isn't adding or subtracting anything from the picture. Depending on your player, cable/satellite box, etc. doing a calibration may not necessarily help the other component. To further complicate things, if your player upconverts, then you're not likely to be getting the exact same signal as you would with a signal generator.
Samsung 64F8500, Panasonic 65VT50, Oppo 95, Tivo Roamio for OTA, Dish VIP722, Marantz AV8801 preamp, Rotel Amps, Atlantic Tech 8200 speakers, Seaton Submersive HP, Calman 5, Chromapure, Accupel DVG-5000, VideoForge HDMI II, i1Display3pro, i1pro2, eecolor colorbox.