Esempio n. 1
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To run:
$ python experiment_example.py 

To remove cache:
$ rm -fr **/example*

"""
__author__ = "(c) Laurent Perrinet INT - CNRS"


import numpy as np
from SparseEdges import SparseEdges

mp = SparseEdges("https://raw.githubusercontent.com/bicv/SparseEdges/master/default_param.py")
mp.N = 128

image = mp.imread("https://raw.githubusercontent.com/bicv/SparseEdges/master/database/lena256.png")

name = "example"
image = mp.normalize(image, center=True)
# print image.mean(), image.std()

import os

matname = os.path.join(mp.pe.matpath, name + ".npy")
try:
    edges = np.load(matname)
except:
    edges, C_res = mp.run_mp(image, verbose=True)
    np.save(matname, edges)
Esempio n. 2
0
import numpy as np
from SparseEdges import SparseEdges

mp = SparseEdges('https://raw.githubusercontent.com/bicv/SparseEdges/master/default_param.py')
mp.N = 128 # number of edges
mp.pe.figsize_edges = 9

#! defining a reference test image (see test_Image)
image = np.zeros((mp.pe.N_X, mp.pe.N_Y))
image[mp.pe.N_X/2:mp.pe.N_X/2+mp.pe.N_X/4, mp.pe.N_X/2:mp.pe.N_X/2+mp.pe.N_X/4] = 1
image[mp.pe.N_X/2:mp.pe.N_X/2+mp.pe.N_X/4, mp.pe.N_X/4:mp.pe.N_X/2] = -1

import os
matname = os.path.join(mp.pe.matpath, 'experiment_test_MP.npy')
try:
    edges = np.load(matname)
except:
    edges, C_res = mp.run_mp(image, verbose=False)
    np.save(matname, edges)   
fig, a = mp.show_edges(edges, image=mp.whitening(image))