def Convert(self, image):
"""
Arguments:
---------
image: an Image instance
Returns:
-------
an instance of Input
Description:
-----------
The *image* arguments has 2 attributes: *label* which indicates
the digit represented by the image, and *pixels* a matrix 14 x 14
represented by a list (first list is the first row, second list the
second row, ... ), containing numbers whose values are comprised
between 0 and 256.0. The function transforms this into a unique list
of 14 x 14 items, with normalized values (that is, the maximum possible
value should be 1).
"""
def norm_sublst(sublst):
lst = []
# loop over 14 because pixels is a 14x14 matrix
for i in range(1):
for j in range(36):
lst.append(sublst[i][j])
return lst
i = Input()
i.values = norm_sublst(image.pixels)
return i
def Convert(self, image):
"""
Arguments:
---------
image: an Image instance
Returns:
-------
an instance of Input
Description:
-----------
The *image* arguments has 2 attributes: *label* which indicates
the digit represented by the image, and *pixels* a matrix 14 x 14
represented by a list (first list is the first row, second list the
second row, ... ), containing numbers whose values are comprised
between 0 and 256.0. The function transforms this into a unique list
of 14 x 14 items, with normalized values (that is, the maximum possible
value should be 1).
"""
# Replace line below by content of function
values = []
# comp = [pixel/256.0 for pixel in sublist in image.pixels]
for row in image.pixels:
values += map(lambda x:x/256.0,row)
ret = Input()
ret.values = values
return ret
def Convert(self, image):
"""
Arguments:
---------
image: an Image instance
Returns:
-------
an instance of Input
Description:
-----------
The *image* arguments has 2 attributes: *label* which indicates
the digit represented by the image, and *pixels* a matrix 14 x 14
represented by a list (first list is the first row, second list the
second row, ... ), containing numbers whose values are comprised
between 0 and 256.0. The function transforms this into a unique list
of 14 x 14 items, with normalized values (that is, the maximum possible
value should be 1).
"""
# flatten matrix into list
new_input = Input()
new_input.values = [pixel/256.0 for row in image.pixels for pixel in row]
return new_input
def Convert(self, image):
"""
Arguments:
---------
image: an Image instance
Returns:
-------
an instance of Input
Description:
-----------
The *image* arguments has 2 attributes: *label* which indicates
the digit represented by the image, and *pixels* a matrix 14 x 14
represented by a list (first list is the first row, second list the
second row, ... ), containing numbers whose values are comprised
between 0 and 256.0. The function transforms this into a unique list
of 14 x 14 items, with normalized values (that is, the maximum possible
value should be 1).
"
new_pixels = [None for i in range(196)]
for i in range(14):
for j in range(14):
new_pixels[i*14+j] = image.pixels[i][j] / 256.0
"""
input = Input()
input.values = image.pixels
return input
def Convert(self, image):
"""
Arguments:
---------
image: an Image instance
Returns:
-------
an instance of Input
Description:
-----------
The *image* arguments has 2 attributes: *label* which indicates
the digit represented by the image, and *pixels* a matrix 14 x 14
represented by a list (first list is the first row, second list the
second row, ... ), containing numbers whose values are comprised
between 0 and 256.0. The function transforms this into a unique list
of 14 x 14 items, with binary values, i.e., 1 if the pixel is mostly
dark, or 0 if it's mostly light.
"""
# Replace line below by content of function
values = []
for i in range(len(image.pixels)):
for j in range(len(image.pixels[i])):
if image.pixels[i][j] >= 128:
pixel = 1
else:
pixel = 0
values.append(pixel)
input = Input()
input.values = values
return input
def Convert(self, image):
"""
Arguments:
---------
image: an Image instance
Returns:
-------
an instance of Input
Description:
-----------
The *image* arguments has 2 attributes: *label* which indicates
the digit represented by the image, and *pixels* a matrix 14 x 14
represented by a list (first list is the first row, second list the
second row, ... ), containing numbers whose values are comprised
between 0 and 256.0. The function transforms this into a unique list
of 14 x 14 items, with normalized values (that is, the maximum possible
value should be 1).
"""
# Replace line below by content of function
values = []
for i in range(len(image.pixels)):
for j in range(len(image.pixels[i])):
values.append(image.pixels[i][j] / 256.0)
input = Input()
input.values = values
return input
def Convert(self, image):
outer = []
for i in image.pixels:
for j in i:
outer.append(j / 256.0)
inp = Input()
inp.values = outer
return inp
def Convert(self, image):
"""
Arguments:
---------
image: an Image instance
Returns:
-------
an instance of Input
Description:
-----------
The *image* arguments has 2 attributes: *label* which indicates
the digit represented by the image, and *pixels* a matrix 14 x 14
represented by a list (first list is the first row, second list the
second row, ... ), containing numbers whose values are comprised
between 0 and 256.0. The function transforms this into a unique list
of 14 x 14 items, with normalized values (that is, the maximum possible
value should be 1).
"""
out = Input()
for lst in image.pixels:
for pixel in lst:
out.values.append(pixel / 256.0)
return out
