PRCG Category Count
arch
295
game
41
nature
181
object
220
poeple
50
hybrid
13
Total
800
Table 6: The count of the PRCG in each category
2. game - images from computer games.
3. nature - images of natural scenery such as forest, plants, beaches,
ponds and also general outdoor scene.
4. object - images of objects such as books, tables, watches and so on.
5. people - images of human, animal or insects.
6. hybrid - images of combined computer graphics and camera images.
Figure 4 shows the example images for the content categories within the
PRCG set. Table 6 shows the count for the PRCG of the different content
category.
5 The Personal Set
The Personal set consists of two parts, i.e., 800 images from the authors'
personal collections (Personal Columbia) and 400 images from the personal
collection of Philip Greenspun (Personal Greenspun). The reason for in-
cluding images for Greenspun's collection is to increase the diversity of the
Personal set in terms of the image content, the camera models and the
photographer styles.
5.1 The Personal Columbia Set
The list below describes the characteristics of the Personal Columbia set:
1. Reliable sources: The images are captured by the authors in order
to ensure its reliable authenticity. These images are captured in New
13