kernel_c3 = np.array([
[0, 0, 2],
[0, -1, 0],
[-1, 0, 0]
])
_offset = 1
# Original
name = "monkey.jpg"
_img = util.read_image(name)
cv.imshow("Original", _img)
# Gray
img_gray = color.rgb_to_gray(_img)
cv.imshow("Gray", img_gray)
util.write_image("gray-" + name, img_gray)
# Convolution Kernel c1
util.do_convolution_show_and_write(_img, kernel_c1, "conv-c1-" + name, _offset)
# Convolution Gray Kernel c1
util.do_convolution_show_and_write(img_gray, kernel_c1, "conv-c1-gray-" + name, _offset)
# 2
util.do_convolution_show_and_write(_img, kernel_c2, "conv-c2-" + name, _offset)
util.do_convolution_show_and_write(img_gray, kernel_c2, "conv-c2-gray-" + name, _offset)
# 3
util.do_convolution_show_and_write(_img, kernel_c3, "conv-c3-" + name, _offset)
util.do_convolution_show_and_write(img_gray, kernel_c3, "conv-c3-gray-" + name, _offset)
import util
name = "skate.jpg"
original = util.read_image(name)
# Processing
red_band = color.red_band(original)
green_band = color.green_band(original)
blue_band = color.blue_band(original)
mono_red = color.monochromatic_red(original)
mono_green = color.monochromatic_green(original)
mono_blue = color.monochromatic_blue(original)
gray = color.rgb_to_gray(original)
# Save
util.write_image("red-" + name, red_band)
util.write_image("green-" + name, green_band)
util.write_image("blue-" + name, blue_band)
util.write_image("mono-red-" + name, mono_red)
util.write_image("mono-green-" + name, mono_green)
util.write_image("mono-blue-" + name, mono_blue)
util.write_image("gray-" + name, gray)
# Show
cv.imshow('Red', red_band)
cv.imshow('Green', green_band)