1233 |
and that recognition |
and that recognition |
1234 |
performance decreases very little over time. |
performance decreases very little over time. |
1235 |
|
|
1236 |
|
In order to evaluate the recognizability of our procedurally generated |
1237 |
|
textures, |
1238 |
|
|
1239 |
|
- need to compare to something |
1240 |
|
|
1241 |
|
- images not good, can't generate infinite supply easily, too much |
1242 |
|
semantics |
1243 |
|
|
1244 |
|
- thus, use solid colors even though know not really good. |
1245 |
|
|
1246 |
We have conducted an experiment in a similar setting comparing |
We have conducted an experiment in a similar setting comparing |
1247 |
the recognition performance of our textures with solid color backgrounds. |
the recognition performance of our textures with solid color backgrounds. |
1248 |
|
|
1249 |
|
|
1250 |
|
|
1251 |
Five participants performed the experiment in both conditions |
Five participants performed the experiment in both conditions |
1252 |
(in random order). |
(in random order). |
1253 |
|
|
1265 |
having the participant answer ``old'' or ``new'' for each one. |
having the participant answer ``old'' or ``new'' for each one. |
1266 |
The time for answers was not limited. |
The time for answers was not limited. |
1267 |
|
|
1268 |
The results are summarized below |
The results are summarized in Table~\ref{tableresults} |
1269 |
(percentage of trials and reaction time in seconds): |
|
1270 |
|
\begin{table} |
1271 |
|
\def\numres#1#2{#1 (#2s)}% |
1272 |
\begin{center} |
\begin{center} |
1273 |
\begin{tabular}{c|cc|cc} |
\begin{tabular}{l|cc|cc} |
1274 |
& \multicolumn{2}{c|}{textures \% (RT)} & \multicolumn{2}{c}{colors \% (RT)} \\ |
& \multicolumn{2}{c|}{\sc textures} & \multicolumn{2}{c}{\sc colors} \\ |
1275 |
& correct & incorrect & correct & incorrect \\ |
& correct & incorrect & correct & incorrect \\ |
1276 |
\hline |
\hline |
1277 |
old & 84 (3.0) & 16 (5.6) & 43 (3.4) & 57 (4.0) \\ |
seen & \numres{84}{3.0} & \numres{16}{5.6} & \numres{43}{3.4} & \numres{57}{4.0} \\ |
1278 |
new & 72 (2.6) & 28 (5.5) & 71 (2.8) & 29 (4.1) \\ |
not seen & \numres{72}{2.6} & \numres{28}{5.5} & \numres{71}{2.8} & \numres{29}{4.1} \\ |
1279 |
\hline |
\hline |
1280 |
total & 78 (2.8) & 22 (5.5) & 57 (3.1) & 43 (4.1) |
total & \numres{78}{2.8} & \numres{22}{5.5} & \numres{57}{3.1} & \numres{43}{4.1} |
1281 |
\end{tabular} |
\end{tabular} |
1282 |
\end{center} |
\end{center} |
1283 |
|
\caption{ |
1284 |
|
\label{tableresults} |
1285 |
|
(percentage of trials and reaction time in seconds): |
1286 |
|
} |
1287 |
|
\end{table} |
1288 |
|
|
1289 |
%80, 53 fail to bring out the results correctly. Should |
%80, 53 fail to bring out the results correctly. Should |
1290 |
%use mutual information or something like that. In colors, the subject |
%use mutual information or something like that. In colors, the subject |