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KEEL-dataset - data set description

This section describes main characteristics of the layoutHistogram data set and its attributes:

General information

Corel Image Features (layoutHistogram) data set
TypeUnsupervisedOriginReal world
Features 33(Real / Integer / Nominal)(32 / 1 / 0)
Instances66616Missing values?No

Attribute description

ID[1, 68040]H2S1I3[0.000000, 0.250024]H3S2I2[0.000000, 0.250026]
H1S1I1[0.000000, 0.250026]H2S1I4[0.000000, 0.250021]H3S2I3[0.000000, 0.250026]
H1S1I2[0.000000, 0.250026]H2S2I1[0.000000, 0.250000]H3S2I4[0.000000, 0.250026]
H1S1I3[0.000000, 0.250026]H2S2I2[0.000000, 0.250000]H4S1I1[0.000000, 0.250012]
H1S1I4[0.000000, 0.250026]H2S2I3[0.000000, 0.249687]H4S1I2[0.000000, 0.250012]
H1S2I1[0.000000, 0.250026]H2S2I4[0.000000, 0.249896]H4S1I3[0.000000, 0.250014]
H1S2I2[0.000000, 0.250026]H3S1I1[0.000000, 0.250026]H4S1I4[0.000000, 0.249802]
H1S2I3[0.000000, 0.250026]H3S1I2[0.000000, 0.250026]H4S2I1[0.000000, 0.250015]
H1S2I4[0.000000, 0.250026]H3S1I3[0.000000, 0.250026]H4S2I2[0.000000, 0.250004]
H2S1I1[0.000000, 0.250025]H3S1I4[0.000000, 0.250026]H4S2I3[0.000000, 0.250011]
H2S1I2[0.000000, 0.250012]H3S2I1[0.000000, 0.250026]H4S2I4[0.000000, 0.250000]

Additional information

This dataset is a part of the Corel Image Features data set of the UCI Repository. It contains image features extracted from a Corel image collection ( The ID attribute is common in each of the 4 parts of the data set (colorHistogram, colorMoments, colorTexture and layoutHistogram).

In this part, the features represent the color histogram layout of each one where HS color space is divided into 8 subspaces (8 colors : 4 ranges of H and 2 ranges of S). Moreover, each image is splitted into 4 sub-images (one horizontal split and one vertical split). The value in each dimension is the density of each color in the entire sub-image.

Warning: Note that this dataset has only data from 66616 images, due to the data related to 1424 images (ID: 62482-63905 ) were missing in the original source (UCI Repository).

In this section you can download some files related to the layoutHistogram data set:

  • The complete data set already formatted in KEEL format can be downloaded from herezip.gif.
  • The header file associated to this data set can be downloaded from heretxt.png.
  • This is not a native data set from the KEEL project. It has been obtained from the UCI Machine Learning repository. The original page where the data set can be found is:

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