org.openimaj.image.annotation.evaluation.datasets

Class Caltech101

java.lang.Object

org.openimaj.image.annotation.evaluation.datasets.Caltech101

@DatasetDescription(name="CalTech101",
                    description="Pictures of objects belonging to 101 categories. About 40 to 800 images per category. Most categories have about 50 images. The size of each image is roughly 300 x 200 pixels.",
                    creator="Fei-Fei Li, Marco Andreetto, and Marc \'Aurelio Ranzato",
                    url="http://www.vision.caltech.edu/Image_Datasets/Caltech101/",
                    downloadUrls={"http://datasets.openimaj.org/Caltech101/101_ObjectCategories.zip","http://datasets.openimaj.org/Caltech101/Annotations.zip"})
public class Caltech101
extends Object

The CalTech101 image dataset. Contains 102 classes of image (101 objects + background), and (for most images) outlines and bounding boxes of the object. Images are approximately 300x200 pixels in size.

Author:

Jonathon Hare (jsh2@ecs.soton.ac.uk)

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Caltech101.Record<IMAGE extends Image<?,IMAGE>> A record in the Caltech 101 dataset.

Method Summary

Modifier and Type	Method and Description
static <IMAGE extends Image<?,IMAGE>> VFSGroupDataset<Caltech101.Record<IMAGE>>	getData(InputStreamObjectReader<IMAGE> reader) Get a dataset of the Caltech 101 images and metadata.
static <IMAGE extends Image<?,IMAGE>> VFSGroupDataset<IMAGE>	getImages(InputStreamObjectReader<IMAGE> reader) Get a dataset of the Caltech 101 images.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getImages

public static <IMAGE extends Image<?,IMAGE>> VFSGroupDataset<IMAGE> getImages(InputStreamObjectReader<IMAGE> reader)
                                                                       throws IOException

Get a dataset of the Caltech 101 images. If the dataset hasn't been downloaded, it will be fetched automatically and stored in the OpenIMAJ data directory. The images in the dataset are grouped by their class.

Parameters:

reader -

Returns:

a dataset of images

Throws:

IOException - if a problem occurs loading the dataset

See Also:

DataUtils.getDataDirectory()

getData

public static <IMAGE extends Image<?,IMAGE>> VFSGroupDataset<Caltech101.Record<IMAGE>> getData(InputStreamObjectReader<IMAGE> reader)
                                                                                        throws IOException

Get a dataset of the Caltech 101 images and metadata. If the dataset hasn't been downloaded, it will be fetched automatically and stored in the OpenIMAJ data directory. The images in the dataset are grouped by their class.

Parameters:

reader - a reader for reading images (usually a ImageUtilities.FIMAGE_READER or ImageUtilities.MBFIMAGE_READER).

Returns:

a dataset of images and metadate

Throws:

IOException - if a problem occurs loading the dataset

See Also:

DataUtils.getDataDirectory()