1099 |
|
|
1100 |
We have conducted a pilot experiment (with one subject) |
We have conducted a pilot experiment (with one subject) |
1101 |
in a similar setting comparing |
in a similar setting comparing |
1102 |
the recognition performance of our textures with pure color backgrounds. |
the recognition performance of our textures with pure color backgrounds |
1103 |
First, 15 textures (or pure colors) were shown sequentially, 5 seconds each. |
(using colors from the same distribution that is used for the textures). |
1104 |
Then, recognition was tested by showing the 15 seen textures mixed |
First, 15 textures were shown sequentially, 5 seconds each. |
1105 |
|
Then, recognition was tested by showing the 15 seen textures |
1106 |
with 15 unseen textures in a random order, and the subject answered |
with 15 unseen textures in a random order, and the subject answered |
1107 |
old or new. |
old or new. The test was repeated with pure color backgrounds |
1108 |
|
for comparison. |
1109 |
|
|
1110 |
The results were as follows: |
The results were as follows: |
1111 |
for textures, 80 percent correct (12/15 correctly recognized |
for textures, 80 percent correct (12/15 correctly recognized |
1112 |
as seen and 12/15 correctly identified as not seen); |
as seen and 12/15 correctly identified as not seen); |
1113 |
for pure colors, 53 percent correct (13/15 correctly recognized |
for pure colors, 53 percent correct (13/15 correctly recognized |
1114 |
as seen and 3/15 correctly identified as not seen). |
as seen and 3/15 correctly identified as not seen). |
1115 |
|
|
1116 |
Of course, this result is not statistically relevant, |
Of course, this result is not statistically significant, |
1117 |
but in conjunction with our experiences, it suggests that the |
but in conjunction with our experiences, it suggests that the |
1118 |
textures are quite recongizable and that they are clearly |
textures are quite recongizable and that they are clearly |
1119 |
superior to pure colors in terms of recognizability. |
superior to pure colors in terms of recognizability. |
1120 |
|
|
1121 |
Furthermore, the experiment only measured the ability to |
Furthermore, the experiment only measured the ability to |
1122 |
recognize previosly seen textures within unseen textures. |
recognize previosly seen textures within unseen textures. |
1123 |
Our experience shows that in practice, |
Our experience shows that |
1124 |
at least the most recurring textures are not only recognized but can |
at least the most recurring textures are not only recognized but can |
1125 |
also easily be associated to the document content. |
also easily be associated with the document content. |
1126 |
|
|
1127 |
- as per Zipf's law [XXXref], it suffices to learn the textures |
- as per Zipf's law [XXXref], it suffices to learn the textures |
1128 |
of the most recurring documents. |
of the most recurring documents. |
1129 |
|
|
1130 |
XXX: refs? |
XXX: refs? |
1131 |
|
|
1132 |
|
XXX: texture set dimensionality studies? |
1133 |
|
|
1134 |
\section{Software availability} |
\section{Software availability} |
1135 |
|
|
1136 |
JVK |
JVK |