grayscale_image[i, j] += bgr_image[i, j, 0] * 0.07 + \
bgr_image[i, j, 1] * 0.72 + \
bgr_image[i, j, 2] * 0.21
grayscale_image = grayscale_image.astype("uint8")
if outfile is None:
filename, file_extension = os.path.splitext(imagefile)
cv2.imwrite(filename + "_grayscale" + file_extension, grayscale_image)
else:
cv2.imwrite(outfile, grayscale_image)
if __name__ == "__main__":
import sys
sys.path.insert(0, '../profiling/')
from manual_timing_ import timer_results
# Visual verification of implementation
python_color2gray("../images/rain.jpg")
# Profile time
imagefile = "../images/laperm_kitten.jpg" # shape: (1537, 2305, 3)
n_experiments = 5
funcs = [python_color2gray]
args = [imagefile]
timer_results(
n_experiments, "./reports/python_report_color2gray.txt", funcs, args)
else:
sepia_image[i, j, 2] = R
return sepia_image
if __name__ == "__main__":
import sys
from numpy_color2sepia import numpy_color2sepia
from python_color2sepia import python_color2sepia
sys.path.insert(0, '../profiling/')
from manual_timing_ import timer_results
# Visual verification of implementation
# Also important to call function once before profiling time
numba_color2sepia("../images/rain.jpg")
# Profile time
imagefile = "../images/laperm_kitten.jpg" # shape: (1537, 2305, 3)
n_experiments = 5
funcs = [python_color2sepia, numpy_color2sepia, numba_color2sepia]
args = [imagefile, imagefile, imagefile]
timer_results(n_experiments,
"./reports/numba_report_color2sepia.txt",
funcs,
args,
order="numba_color2sepia")
if outfile is None:
filename, file_extension = os.path.splitext(imagefile)
cv2.imwrite(filename + "_grayscale" + file_extension, grayscale_image)
else:
cv2.imwrite(outfile, grayscale_image)
if __name__ == "__main__":
import sys
from python_color2gray import python_color2gray
sys.path.insert(0, '../profiling/')
from manual_timing_ import timer_results
# Visual verification of implementation
numpy_color2gray("../images/rain.jpg")
# Profile time
imagefile = "../images/laperm_kitten.jpg" # shape: (1537, 2305, 3)
n_experiments = 5
funcs = [python_color2gray, numpy_color2gray]
args = [imagefile, imagefile]
timer_results(n_experiments,
"./reports/numpy_report_color2gray.txt",
funcs,
args,
order="numpy_color2gray")
"""
if __name__ == "__main__":
import sys
from cython_color2sepia import cython_color2sepia
from numba_color2sepia import numba_color2sepia
from numpy_color2sepia import numpy_color2sepia
from python_color2sepia import python_color2sepia
sys.path.insert(0, '../profiling/')
from manual_timing_ import timer_results
# Visual verification of implementation
cython_color2sepia("../images/rain.jpg")
# Profile time
imagefile = "../images/laperm_kitten.jpg" # shape: (1537, 2305, 3)
numba_color2sepia(imagefile) # call once before benchmark
n_experiments = 5
funcs = [
python_color2sepia, numpy_color2sepia, numba_color2sepia,
cython_color2sepia
]
args = [imagefile, imagefile, imagefile, imagefile]
timer_results(n_experiments,
"./reports/cython_report_color2sepia.txt",
funcs,
args,
order="cython_color2sepia")
if __name__ == "__main__":
import sys
from cython_color2gray_cdef import cython_color2gray_cdef
from cython_color2gray_cpdef import cython_color2gray_cpdef
from numba_color2gray import numba_color2gray
from numpy_color2gray import numpy_color2gray
from python_color2gray import python_color2gray
sys.path.insert(0, '../profiling/')
from manual_timing_ import timer_results
# Visual verification of implementation
cython_color2gray_cdef("../images/rain.jpg")
cython_color2gray_cpdef("../images/rain.jpg")
# Profile time
imagefile = "../images/laperm_kitten.jpg" # shape: (1537, 2305, 3)
numba_color2gray(imagefile) # call once before benchmark
n_experiments = 5
funcs = [
python_color2gray, numpy_color2gray, numba_color2gray,
cython_color2gray_cdef, cython_color2gray_cpdef
]
args = [imagefile, imagefile, imagefile, imagefile, imagefile]
timer_results(n_experiments,
"./reports/cython_report_color2gray.txt",
funcs,
args,
order="cython_color2gray_cdef")