def update_lw(img_id):
'''
takes in an image_id and updates its dimensions in the database
:param img_id:
:return:
'''
path = dtr.get_jpg_path_by_file_id(img_id)
img = skio.imread(path,as_grey=True)
hgt = img.shape[0]
wdt = img.shape[1]
ar = float(wdt)/float(hgt)
str_sql = '''
update tbl_image_files set height = %s, width=%s, aspect_ratio=%s where image_id = %s;
'''
dtr.cursor.execute(str_sql,(hgt,wdt,ar,img_id))
dtr.conn.commit()
def update_lw(img_id):
'''
takes in an image_id and updates its dimensions in the database
:param img_id:
:return:
'''
path = dtr.get_jpg_path_by_file_id(img_id)
img = skio.imread(path, as_grey=True)
hgt = img.shape[0]
wdt = img.shape[1]
ar = float(wdt) / float(hgt)
str_sql = '''
update tbl_image_files set height = %s, width=%s, aspect_ratio=%s where image_id = %s;
'''
dtr.cursor.execute(str_sql, (hgt, wdt, ar, img_id))
dtr.conn.commit()
def make_feature_matrix(pagenum):
mypool = Pool(8)
files = get_all_image_ids_by_page(pagenum)
n = len(files)
# tgt = np.zeros((n*4,10000),dtype=np.float64)
tgt = np.zeros((n*4,20000),dtype=np.float64)
paths = []
for i in range(n):
# print i
paths.append(dtr.get_jpg_path_by_file_id(files[i][0]))
output = mypool.map(make_raveled_line,paths)
# textf = open(test_folder + '/path_reference.txt','w')
textf = open(test_folder + '/path_reference_plain.txt','w')
for i in range(n):
textf.write(str(i) + '\t' + output[i][0] + '\n')
tgt[i*4:(i*4+4)]=output[i][1]
textf.close()
# outpath = test_folder + '/fft_matrix.npy'
outpath = test_folder + '/plain_matrix.npy'
np.save(outpath,tgt)
def make_feature_matrix(pagenum):
mypool = Pool(8)
files = get_all_image_ids_by_page(pagenum)
n = len(files)
# tgt = np.zeros((n*4,10000),dtype=np.float64)
tgt = np.zeros((n * 4, 20000), dtype=np.float64)
paths = []
for i in range(n):
# print i
paths.append(dtr.get_jpg_path_by_file_id(files[i][0]))
output = mypool.map(make_raveled_line, paths)
# textf = open(test_folder + '/path_reference.txt','w')
textf = open(test_folder + '/path_reference_plain.txt', 'w')
for i in range(n):
textf.write(str(i) + '\t' + output[i][0] + '\n')
tgt[i * 4:(i * 4 + 4)] = output[i][1]
textf.close()
# outpath = test_folder + '/fft_matrix.npy'
outpath = test_folder + '/plain_matrix.npy'
np.save(outpath, tgt)
