Question Analysis
The following table lists the possible options that participants could mark as a reason for not selecting a certain result in the question page. Such question was given to the users sporadically in the reference version of the survey. The actual list of options was composed according to the list of attributes of each specific image. Reasons that are listed under 'common' attribute were always offered.
Attribute |
Id |
Reasons for ruling method out |
Lines |
1 |
Lines or edges were broken |
2 |
Lines or edges were distorted |
|
People/Faces |
3 |
People or faces were squeezed |
4 |
People or faces were stretched |
|
5 |
People or faces were deformed |
|
Texture |
6
|
Textures were distorted |
Foreground Objects |
7 |
Foreground objects were squeezed |
8 |
Foreground objects were stretched |
|
9 |
Foreground objects were deformed |
|
Geometric Structures |
10
|
Geometric structures were distorted |
Symmetry |
11
|
Symmetry was violated |
Common |
12 |
Content was removed or cut-off |
13 |
Proportions in the image were changed |
|
14 |
Smooth image areas were destroyed or removed |
|
15 |
Can't put my finger on it. The other result was simply more appealing |
|
16 |
Other |
The figures below show the percentage of times each reason was chosen over the total number of times it was shown. The IDs correspond to the above table.
Overall Reasons
Reasons by operator
 |
 |
 |
CR |
SV |
MULTIOP |
 |
 |
 |
SC |
SCL |
SM |
 |
 |
|
SNS |
WARP |