def process_filelist_test(filelist=None,
model=None,
tmpfilename=None,
npicks=None,
winsize=None,
finaldim=None,
K=1,
typecompress='picks'):
"""
Main function, process all files in the list (as long as their artist
is in testartist)
INPUT
filelist - a list of song files
model - h5 file containing feats and year for all train songs
tmpfilename - where to save our processed features
npicks - number of segments to pick per song
winsize - size of each segment we pick
finaldim - how many values do we keep
K - param of KNN (default 1)
typecompress - feature type, 'picks', 'corrcoeff' or 'cov'
must be the same as in training
"""
# sanity check
for arg in locals().values():
assert not arg is None, 'process_filelist_test, missing an argument, something still None'
if os.path.isfile(tmpfilename):
print 'ERROR: file', tmpfilename, 'already exists.'
return
if not os.path.isfile(model):
print 'ERROR: model', model, 'does not exist.'
return
# create kdtree
h5model = tables.openFile(model, mode='r')
assert h5model.root.data.feats.shape[
1] == finaldim, 'inconsistency in final dim'
kd = ANN.kdtree(h5model.root.data.feats)
# create outputfile
output = tables.openFile(tmpfilename, mode='a')
group = output.createGroup("/", 'data', 'TMP FILE FOR YEAR RECOGNITION')
output.createEArray(group,
'year_real',
tables.IntAtom(shape=()), (0, ),
'',
expectedrows=len(filelist))
output.createEArray(group,
'year_pred',
tables.Float64Atom(shape=()), (0, ),
'',
expectedrows=len(filelist))
# random projection
ndim = 12 # fixed in this dataset
if typecompress == 'picks':
randproj = RANDPROJ.proj_point5(ndim * winsize, finaldim)
elif typecompress == 'corrcoeff' or typecompress == 'cov':
randproj = RANDPROJ.proj_point5(ndim * ndim, finaldim)
elif typecompress == 'avgcov':
randproj = RANDPROJ.proj_point5(90, finaldim)
else:
assert False, 'Unknown type of compression: ' + str(typecompress)
# go through files
cnt_f = 0
for f in filelist:
cnt_f += 1
if cnt_f % 5000 == 0:
print 'TESTING FILE #' + str(cnt_f)
# check file
h5 = GETTERS.open_h5_file_read(f)
artist_id = GETTERS.get_artist_id(h5)
year = GETTERS.get_year(h5)
track_id = GETTERS.get_track_id(h5)
h5.close()
if year <= 0: # probably useless but...
continue
if typecompress == 'picks':
# we have a train artist with a song year, we're good
bttimbre = get_bttimbre(f)
if bttimbre is None:
continue
# we even have normal features, awesome!
processed_feats = CBTF.extract_and_compress(bttimbre,
npicks,
winsize,
finaldim,
randproj=randproj)
elif typecompress == 'corrcoeff':
h5 = GETTERS.open_h5_file_read(f)
timbres = GETTERS.get_segments_timbre(h5).T
h5.close()
processed_feats = CBTF.corr_and_compress(timbres,
finaldim,
randproj=randproj)
elif typecompress == 'cov':
h5 = GETTERS.open_h5_file_read(f)
timbres = GETTERS.get_segments_timbre(h5).T
h5.close()
processed_feats = CBTF.cov_and_compress(timbres,
finaldim,
randproj=randproj)
elif typecompress == 'avgcov':
h5 = GETTERS.open_h5_file_read(f)
timbres = GETTERS.get_segments_timbre(h5).T
h5.close()
processed_feats = CBTF.avgcov_and_compress(timbres,
finaldim,
randproj=randproj)
else:
assert False, 'Unknown type of compression: ' + str(typecompress)
if processed_feats is None:
continue
if processed_feats.shape[0] == 0:
continue
# do prediction
year_pred = do_prediction(processed_feats, kd, h5model, K)
# add pred and ground truth to output
if not year_pred is None:
output.root.data.year_real.append([year])
output.root.data.year_pred.append([year_pred])
# close output and model
del kd
h5model.close()
output.close()
# done
return
def process_filelist_train(filelist=None,
testartists=None,
tmpfilename=None,
npicks=None,
winsize=None,
finaldim=None,
typecompress='picks'):
"""
Main function, process all files in the list (as long as their artist
is not in testartist)
INPUT
filelist - a list of song files
testartists - set of artist ID that we should not use
tmpfilename - where to save our processed features
npicks - number of segments to pick per song
winsize - size of each segment we pick
finaldim - how many values do we keep
typecompress - one of 'picks' (win of btchroma), 'corrcoef' (correlation coefficients),
'cov' (covariance)
"""
# sanity check
for arg in locals().values():
assert not arg is None, 'process_filelist_train, missing an argument, something still None'
if os.path.isfile(tmpfilename):
print 'ERROR: file', tmpfilename, 'already exists.'
return
# create outputfile
output = tables.openFile(tmpfilename, mode='a')
group = output.createGroup("/", 'data', 'TMP FILE FOR YEAR RECOGNITION')
output.createEArray(group,
'feats',
tables.Float64Atom(shape=()), (0, finaldim),
'',
expectedrows=len(filelist))
output.createEArray(group,
'year',
tables.IntAtom(shape=()), (0, ),
'',
expectedrows=len(filelist))
output.createEArray(group,
'track_id',
tables.StringAtom(18, shape=()), (0, ),
'',
expectedrows=len(filelist))
# random projection
ndim = 12 # fixed in this dataset
if typecompress == 'picks':
randproj = RANDPROJ.proj_point5(ndim * winsize, finaldim)
elif typecompress == 'corrcoeff' or typecompress == 'cov':
randproj = RANDPROJ.proj_point5(ndim * ndim, finaldim)
elif typecompress == 'avgcov':
randproj = RANDPROJ.proj_point5(90, finaldim)
else:
assert False, 'Unknown type of compression: ' + str(typecompress)
# iterate over files
cnt_f = 0
for f in filelist:
cnt_f += 1
# verbose
if cnt_f % 50000 == 0:
print 'training... checking file #', cnt_f
# check file
h5 = GETTERS.open_h5_file_read(f)
artist_id = GETTERS.get_artist_id(h5)
year = GETTERS.get_year(h5)
track_id = GETTERS.get_track_id(h5)
h5.close()
if year <= 0 or artist_id in testartists:
continue
# we have a train artist with a song year, we're good
bttimbre = get_bttimbre(f)
if typecompress == 'picks':
if bttimbre is None:
continue
# we even have normal features, awesome!
processed_feats = CBTF.extract_and_compress(bttimbre,
npicks,
winsize,
finaldim,
randproj=randproj)
elif typecompress == 'corrcoeff':
h5 = GETTERS.open_h5_file_read(f)
timbres = GETTERS.get_segments_timbre(h5).T
h5.close()
processed_feats = CBTF.corr_and_compress(timbres,
finaldim,
randproj=randproj)
elif typecompress == 'cov':
h5 = GETTERS.open_h5_file_read(f)
timbres = GETTERS.get_segments_timbre(h5).T
h5.close()
processed_feats = CBTF.cov_and_compress(timbres,
finaldim,
randproj=randproj)
elif typecompress == 'avgcov':
h5 = GETTERS.open_h5_file_read(f)
timbres = GETTERS.get_segments_timbre(h5).T
h5.close()
processed_feats = CBTF.avgcov_and_compress(timbres,
finaldim,
randproj=randproj)
else:
assert False, 'Unknown type of compression: ' + str(typecompress)
# save them to tmp file
n_p_feats = processed_feats.shape[0]
output.root.data.year.append(np.array([year] * n_p_feats))
output.root.data.track_id.append(np.array([track_id] * n_p_feats))
output.root.data.feats.append(processed_feats)
# we're done, close output
output.close()
return
def process_filelist_train(filelist=None,testartists=None,tmpfilename=None,
npicks=None,winsize=None,finaldim=None,typecompress='picks'):
"""
Main function, process all files in the list (as long as their artist
is not in testartist)
INPUT
filelist - a list of song files
testartists - set of artist ID that we should not use
tmpfilename - where to save our processed features
npicks - number of segments to pick per song
winsize - size of each segment we pick
finaldim - how many values do we keep
typecompress - one of 'picks' (win of btchroma), 'corrcoef' (correlation coefficients),
'cov' (covariance)
"""
# sanity check
for arg in locals().values():
assert not arg is None,'process_filelist_train, missing an argument, something still None'
if os.path.isfile(tmpfilename):
print 'ERROR: file',tmpfilename,'already exists.'
return
# create outputfile
output = tables.openFile(tmpfilename, mode='a')
group = output.createGroup("/",'data','TMP FILE FOR YEAR RECOGNITION')
output.createEArray(group,'feats',tables.Float64Atom(shape=()),(0,finaldim),'',
expectedrows=len(filelist))
output.createEArray(group,'year',tables.IntAtom(shape=()),(0,),'',
expectedrows=len(filelist))
output.createEArray(group,'track_id',tables.StringAtom(18,shape=()),(0,),'',
expectedrows=len(filelist))
# random projection
ndim = 12 # fixed in this dataset
if typecompress == 'picks':
randproj = RANDPROJ.proj_point5(ndim * winsize, finaldim)
elif typecompress == 'corrcoeff' or typecompress == 'cov':
randproj = RANDPROJ.proj_point5(ndim * ndim, finaldim)
elif typecompress == 'avgcov':
randproj = RANDPROJ.proj_point5(90, finaldim)
else:
assert False,'Unknown type of compression: '+str(typecompress)
# iterate over files
cnt_f = 0
for f in filelist:
cnt_f += 1
# verbose
if cnt_f % 50000 == 0:
print 'training... checking file #',cnt_f
# check file
h5 = GETTERS.open_h5_file_read(f)
artist_id = GETTERS.get_artist_id(h5)
year = GETTERS.get_year(h5)
track_id = GETTERS.get_track_id(h5)
h5.close()
if year <= 0 or artist_id in testartists:
continue
# we have a train artist with a song year, we're good
bttimbre = get_bttimbre(f)
if typecompress == 'picks':
if bttimbre is None:
continue
# we even have normal features, awesome!
processed_feats = CBTF.extract_and_compress(bttimbre,npicks,winsize,finaldim,
randproj=randproj)
elif typecompress == 'corrcoeff':
h5 = GETTERS.open_h5_file_read(f)
timbres = GETTERS.get_segments_timbre(h5).T
h5.close()
processed_feats = CBTF.corr_and_compress(timbres,finaldim,randproj=randproj)
elif typecompress == 'cov':
h5 = GETTERS.open_h5_file_read(f)
timbres = GETTERS.get_segments_timbre(h5).T
h5.close()
processed_feats = CBTF.cov_and_compress(timbres,finaldim,randproj=randproj)
elif typecompress == 'avgcov':
h5 = GETTERS.open_h5_file_read(f)
timbres = GETTERS.get_segments_timbre(h5).T
h5.close()
processed_feats = CBTF.avgcov_and_compress(timbres,finaldim,randproj=randproj)
else:
assert False,'Unknown type of compression: '+str(typecompress)
# save them to tmp file
n_p_feats = processed_feats.shape[0]
output.root.data.year.append( np.array( [year] * n_p_feats ) )
output.root.data.track_id.append( np.array( [track_id] * n_p_feats ) )
output.root.data.feats.append( processed_feats )
# we're done, close output
output.close()
return
def process_filelist_test(filelist=None,model=None,tmpfilename=None,
npicks=None,winsize=None,finaldim=None,K=1,
typecompress='picks'):
"""
Main function, process all files in the list (as long as their artist
is in testartist)
INPUT
filelist - a list of song files
model - h5 file containing feats and year for all train songs
tmpfilename - where to save our processed features
npicks - number of segments to pick per song
winsize - size of each segment we pick
finaldim - how many values do we keep
K - param of KNN (default 1)
typecompress - feature type, 'picks', 'corrcoeff' or 'cov'
must be the same as in training
"""
# sanity check
for arg in locals().values():
assert not arg is None,'process_filelist_test, missing an argument, something still None'
if os.path.isfile(tmpfilename):
print 'ERROR: file',tmpfilename,'already exists.'
return
if not os.path.isfile(model):
print 'ERROR: model',model,'does not exist.'
return
# create kdtree
h5model = tables.openFile(model, mode='r')
assert h5model.root.data.feats.shape[1]==finaldim,'inconsistency in final dim'
kd = ANN.kdtree(h5model.root.data.feats)
# create outputfile
output = tables.openFile(tmpfilename, mode='a')
group = output.createGroup("/",'data','TMP FILE FOR YEAR RECOGNITION')
output.createEArray(group,'year_real',tables.IntAtom(shape=()),(0,),'',
expectedrows=len(filelist))
output.createEArray(group,'year_pred',tables.Float64Atom(shape=()),(0,),'',
expectedrows=len(filelist))
# random projection
ndim = 12 # fixed in this dataset
if typecompress == 'picks':
randproj = RANDPROJ.proj_point5(ndim * winsize, finaldim)
elif typecompress == 'corrcoeff' or typecompress=='cov':
randproj = RANDPROJ.proj_point5(ndim * ndim, finaldim)
elif typecompress == 'avgcov':
randproj = RANDPROJ.proj_point5(90, finaldim)
else:
assert False,'Unknown type of compression: '+str(typecompress)
# go through files
cnt_f = 0
for f in filelist:
cnt_f += 1
if cnt_f % 5000 == 0:
print 'TESTING FILE #'+str(cnt_f)
# check file
h5 = GETTERS.open_h5_file_read(f)
artist_id = GETTERS.get_artist_id(h5)
year = GETTERS.get_year(h5)
track_id = GETTERS.get_track_id(h5)
h5.close()
if year <= 0: # probably useless but...
continue
if typecompress == 'picks':
# we have a train artist with a song year, we're good
bttimbre = get_bttimbre(f)
if bttimbre is None:
continue
# we even have normal features, awesome!
processed_feats = CBTF.extract_and_compress(bttimbre,npicks,winsize,finaldim,
randproj=randproj)
elif typecompress == 'corrcoeff':
h5 = GETTERS.open_h5_file_read(f)
timbres = GETTERS.get_segments_timbre(h5).T
h5.close()
processed_feats = CBTF.corr_and_compress(timbres,finaldim,randproj=randproj)
elif typecompress == 'cov':
h5 = GETTERS.open_h5_file_read(f)
timbres = GETTERS.get_segments_timbre(h5).T
h5.close()
processed_feats = CBTF.cov_and_compress(timbres,finaldim,randproj=randproj)
elif typecompress == 'avgcov':
h5 = GETTERS.open_h5_file_read(f)
timbres = GETTERS.get_segments_timbre(h5).T
h5.close()
processed_feats = CBTF.avgcov_and_compress(timbres,finaldim,randproj=randproj)
else:
assert False,'Unknown type of compression: '+str(typecompress)
if processed_feats is None:
continue
if processed_feats.shape[0] == 0:
continue
# do prediction
year_pred = do_prediction(processed_feats,kd,h5model,K)
# add pred and ground truth to output
if not year_pred is None:
output.root.data.year_real.append( [year] )
output.root.data.year_pred.append( [year_pred] )
# close output and model
del kd
h5model.close()
output.close()
# done
return