Image Category for the Personal Columbia Set Count
indoor-light
74
indoor
68
outdoor-day
277
outdoor-night
34
outdoor-rain
63
outdoor-dawn-dusk
31
natural
111
artificial
142
Total
800
Table 7: Image count for the categories within the Personal Columbia Set
5.1.3 Diversity of the Personal Columbia Set
The PIM are designed to have diversity in the major variables of a photo-
graphics process:
1. Illumination source/lighting condition: There are content categories of
indoor-dark, indoor-light, outdoor-dawn-dusk, outdoor-day, outdoor-
night and outdoor-rain.
2. Object - There are content categories of natural and artificial.
3. Camera - The images are taken by two models of SLR cameras, i.e.,
Canon 10D and Nikon D70, which are known to have different makes
of in-camera image processor.
4. Photographer/personal photographing style: We have three photog-
raphers identified as `martin', `jessie' and `tian-tsong' in the dataset
meta-inforation.
Figure 6 shows the example images for different lighting and object cat-
egories mentioned above. Table 7 shows the count of the images in each
category.
5.2 The Personal Greenspun Set
The personal Greenspun set is from the personal collection of Philip Green-
spun, which is accessible from http://www.photo.net/philip-greenspun/
photos/digiphotos/.
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