# ### Load feature extractor neural network
if not load_features:
    vnet = load_verbatimnet('fc7', paramsfile=paramsfile)
    vnet.compile(loss='mse', optimizer='sgd')

# ### Image features
#
# Currently taken as averages of all shard features in the image. You can either load them or extract everything manually, depending on if you have the .npy array.

if load_features:
    print "Loading features in from " + featurefile
    imfeats = np.load(featurefile)
    print "Loaded features"
else:
    print "Begin extracting features from " + hdf5images
    imfeats = extract_imfeats(hdf5images, vnet, steps=(5, 5), varthresh=0.05)
    print h5py.File(hdf5images).keys()
    np.save(featurefile, imfeats)

# ### Build classifier

imfeats = (imfeats.T / np.linalg.norm(imfeats, axis=1)).T
F = imfeats.dot(imfeats.T)
np.fill_diagonal(F, -1)

# ### Evaluate classifier on HDF5 file (ICDAR 2013)

# Top k (soft criteria)
k = 10
# Max top (hard criteria)
maxtop = 2
Beispiel #2
0
    vnet = load_verbatimnet('fc7', paramsfile=paramsfile)
    vnet.compile(loss='mse', optimizer='sgd')

### Image features
# Currently taken as averages of all shard features in the image. You can either load them or extract everything manually, depending on if you have the .npy array.
if load_features:
    print "Loading features in from " + featurefile
    imfeats = np.load(featurefile)
    print "Loaded features"
else:
    print "Begin extracting features from " + hdf5images
    noiseparamfile = '/work/code/repo/models/conv2_linet_iam-bin.hdf5'
    imfeats = extract_imfeats(
        hdf5images,
        vnet,
        denoiser=load_denoisenet(noiseparams=noiseparamfile),
        outdir=outdir,
        steps=(5, 5),
        compthresh=250)
    print h5py.File(hdf5images).keys()
    np.save(featurefile, imfeats)

# ### Build classifier
imfeats = (imfeats.T / np.linalg.norm(imfeats, axis=1)).T
F = imfeats.dot(imfeats.T)
np.fill_diagonal(F, -1)

### Evaluate classifier on HDF5 file (ICDAR 2013)
# Top k (soft criteria)
k = 10
# Max top (hard criteria)
Beispiel #3
0
# ### Load feature extractor neural network
if not load_features:
   vnet = load_verbatimnet( 'fc7', paramsfile=paramsfile )
   vnet.compile(loss='mse', optimizer='sgd')


### Image features
# Currently taken as averages of all shard features in the image. You can either load them or extract everything manually, depending on if you have the .npy array.
if load_features:
    print "Loading features in from "+featurefile
    imfeats = np.load(featurefile)
    print "Loaded features"
else:
    print "Begin extracting features from "+hdf5images
    noiseparamfile = '/work/code/repo/models/conv2_linet_iam-bin.hdf5'
    imfeats = extract_imfeats(hdf5images, vnet, denoiser=load_denoisenet(noiseparams=noiseparamfile), 
                              outdir=outdir, steps=(5,5), compthresh=250 )
    print h5py.File(hdf5images).keys()
    np.save( featurefile, imfeats )


# ### Build classifier
imfeats = ( imfeats.T / np.linalg.norm( imfeats, axis=1 ) ).T
F = imfeats.dot(imfeats.T)
np.fill_diagonal( F , -1 )


### Evaluate classifier on HDF5 file (ICDAR 2013)
# Top k (soft criteria)
k = 10
# Max top (hard criteria)
maxtop = 3
if not load_features:
   vnet = load_verbatimnet( 'fc7', paramsfile=paramsfile )
   vnet.compile(loss='mse', optimizer='sgd')


# ### Image features
# 
# Currently taken as averages of all shard features in the image. You can either load them or extract everything manually, depending on if you have the .npy array.

if load_features:
    print "Loading features in from "+featurefile
    imfeats = np.load(featurefile)
    print "Loaded features"
else:
    print "Begin extracting features from "+hdf5images
    imfeats = extract_imfeats( hdf5images, vnet, steps=(5,5), varthresh=0.05 )
    print h5py.File(hdf5images).keys()
    np.save( featurefile, imfeats )


# ### Build classifier

imfeats = ( imfeats.T / np.linalg.norm( imfeats, axis=1 ) ).T
F = imfeats.dot(imfeats.T)
np.fill_diagonal( F , -1 )


# ### Evaluate classifier on HDF5 file (ICDAR 2013)

# Top k (soft criteria)
k = 10