Exemple #1
0
def test_cache():
    c = Cache(verbose=True, refetch=False)

    print '[test_cache]: putting and retrieving an object from cache'        
    obj = np.random.rand(2,2)
    filename = c.put(obj)
    assert_array_equal(obj, c.get(filename))
    assert_array_equal(obj, c[filename]) # keys
    
    
    print '[test_cache]: download an image and retrieve from cache'    
    imshow(c.get('http://upload.wikimedia.org/wikipedia/commons/3/39/Athene_noctua_(cropped).jpg'))
    imshow(c.get('http://upload.wikimedia.org/wikipedia/commons/3/39/Athene_noctua_(cropped).jpg'))

    print '[test_cache]: download archive with item fragment'
    imshow(c.get('http://l2r.cs.uiuc.edu/~cogcomp/Data/Car/CarData.tar.gz#subpath=CarData/TrainImages/pos-1.pgm'))
    imshow(c.get('http://l2r.cs.uiuc.edu/~cogcomp/Data/Car/CarData.tar.gz#subpath=CarData/TrainImages/pos-2.pgm'))
    imshow(c.get('http://l2r.cs.uiuc.edu/~cogcomp/Data/Car/CarData.tar.gz#subpath=CarData/TrainImages/pos-3.pgm'))

    try:
        c.get('http://l2r.cs.uiuc.edu/~cogcomp/Data/Car/CarData.tar.gz#subpath=wrong_path')
    except:
        print 'incorrect URL fragment raises exception correctly'

    print '[test_cache]: size of cache in bytes'
    print c.size()
Exemple #2
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def main():
    dbfile = LabelMe3().export(verbose=True)
    db = Viset(dbfile, verbose=True)
    for (im) in db.image:
        #print 'Image=' + str(annotation['id_img']) + ' Category=' + annotation['category']
        if im is not None:
            imshow(im)
Exemple #3
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from viset.library.imagedir import ImageDir
from viset.dataset import Viset
from viset.show import imshow
import sys

if __name__ == '__main__':
    """Create imageviset from directory of images.  First argument is database name, second argument is image directory"""
    dbname = sys.argv[1]
    imdir = sys.argv[2]

    print '[viset.demo_imagedir]: Creating viset "%s" ' % dbname    
    print '[viset.demo_imagedir]: Reading images from directory = %s' % imdir
    dbfile = ImageDir().export(dbname, imdir, verbose=True)
    db = Viset(dbfile, verbose=True)
    for im in db.image:
        imshow(im)

        
Exemple #4
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def main():
    for (im,annotation) in Recognition(caltech256.export()):
        imshow(im.get(), title=annotation)
def main():
    filename = sys.argv[1]
    for (im,annotation) in Recognition(filename):
        imshow(im.get(), title=annotation)
Exemple #6
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def main():
    dbfile = PascalVOC2012().export(verbose=True)
    db = Viset(dbfile, verbose=True)
    for (im,annotation) in db.annotation.categorization(step=10):
        print 'Image=' + str(annotation['idx_image']) + ' Category=' + annotation['category']
        imshow(im, title=annotation['category'])