staged.

Chunk
1 parent 5426d9db
Showing 3 changed files with 1 additions and 15 deletions Show diff stats
mjpeg/__init__.py
mjpeg/compress.py
test/test_steg.py
@@ -12,7 +12,6 @@ __all__ = [&#39;Jpeg&#39;, &#39;colorMap&#39;, &#39;diffblock&#39;, &#39;diffblocks&#39;]
 import numpy.random as rnd
 from numpy import shape
 import numpy as np
-import pylab as plt
  
 import base
 from dct import bdct, ibdct
@@ -177,17 +176,6 @@ class Jpeg(Jsteg):
         E = [-np.inf] + [i for i in range(-T, T + 2)] + [np.inf]
         return np.histogram(A, E)
  
-    def plotHist(self, mask=base.acMaskBlock, T=8):
-        """
-          Make a histogram of the jpeg coefficients.
-          The mask is a boolean 8x8 matrix indicating the
-          frequencies to be included.  This defaults to the
-          AC coefficients.
-        """
-        A = self.rawsignal(mask).tolist()
-        E = [i for i in range(-T, T + 2)]
-        plt.hist(A, E, histtype='bar')
-        plt.show()
  
     def nzcount(self, *a, **kw):
         """Number of non-zero AC coefficients.
 ## -*- coding: utf-8 -*-
  
  
-from pylab import *
+from numpy import array
  
 # The standard quantisation tables for JPEG::
  
 __author__ = 'chunk'
  
 import numpy as np
-import pylab as P
-import pylab as plt
  
 from .. import mjpeg
 from ..msteg.steganography import LSB, F3, F4, F5
...	...	@@ -12,7 +12,6 @@ __all__ = ['Jpeg', 'colorMap', 'diffblock', 'diffblocks']
12	12	import numpy.random as rnd
13	13	from numpy import shape
14	14	import numpy as np
15		-import pylab as plt
16	15
17	16	import base
18	17	from dct import bdct, ibdct
...	...	@@ -177,17 +176,6 @@ class Jpeg(Jsteg):
177	176	E = [-np.inf] + [i for i in range(-T, T + 2)] + [np.inf]
178	177	return np.histogram(A, E)
179	178
180		- def plotHist(self, mask=base.acMaskBlock, T=8):
181		- """
182		- Make a histogram of the jpeg coefficients.
183		- The mask is a boolean 8x8 matrix indicating the
184		- frequencies to be included. This defaults to the
185		- AC coefficients.
186		- """
187		- A = self.rawsignal(mask).tolist()
188		- E = [i for i in range(-T, T + 2)]
189		- plt.hist(A, E, histtype='bar')
190		- plt.show()
191	179
192	180	def nzcount(self, a, *kw):
193	181	"""Number of non-zero AC coefficients.
...	...
1	1	## -- coding: utf-8 --
2	2
3	3
4		-from pylab import *
	4	+from numpy import array
5	5
6	6	# The standard quantisation tables for JPEG::
7	7
...	...
1	1	__author__ = 'chunk'
2	2
3	3	import numpy as np
4		-import pylab as P
5		-import pylab as plt
6	4
7	5	from .. import mjpeg
8	6	from ..msteg.steganography import LSB, F3, F4, F5
...	...