def execute(path, newChannel):
img = Image.open(path)
pixels = img.load()
list = [[0 for x in range(img.width)] for y in range(img.height)]
linha = img.width
coluna = img.height
pixel = 0
auxiliar = [0] * 246
if (linha > 0):
if ((newChannel > 0) and (newChannel < 128)):
divisao = 246 / newChannel
auxiliarValor = 0
for i in range(0, linha):
for j in range(0, coluna):
pixel = pixels[i, j]
auxiliarValor = pixel % (divisao)
auxiliarValor = divisao - auxiliarValor - 1
pixel = pixel + auxiliarValor
list[i][j] = pixel
img.putpixel((i, j), pixel)
histograma.saveHistogram('histogram.txt', list, img.width, img.height)
img.save("result.bmp")
def execute(path):
img = Image.open(path)
pixels = img.load()
list = [[0 for x in range(img.width)] for y in range(img.height)]
channel = 247
auxiliar = [0] * channel
novo = [0] * channel
ideal = (img.width * img.height) / channel
for i in range(0, img.width):
for j in range(0, img.height):
color = pixels[i, j]
auxiliar[color] = auxiliar[color] + 1
auxiliarValor = 0
for x in range(0, channel):
auxiliarValor = auxiliarValor + auxiliar[x]
if (((auxiliarValor / ideal) - 1) > 0):
novo[x] = (auxiliarValor / ideal) - 1
else:
novo[x] = 0
for i in range(0, img.width):
for j in range(0, img.height):
color = pixels[i, j]
list[i][j] = novo[color]
img.putpixel((i, j), novo[color])
histograma.saveHistogram('histogram.txt', list, img.width, img.height)
img.save("result.bmp")
def execute(path):
img = Image.open(path)
pixels = img.load()
lines = 3
columns = 3
matrix = [[-1 for x in range(columns)] for y in range(lines)]
list = [[0 for x in range(img.width)] for y in range(img.height)]
for i in range(0, img.width):
for j in range(0, img.height):
totalPixels = 0
pixelSum = 0
average = 0.00
for x in range(0, lines):
for y in range(0, columns):
if (i - 1 + x < 0) or (j - 1 + y < 0) or (
i - 1 + x >= img.width) or (j - 1 + y >=
img.width):
matrix[x][y] = -1
else:
matrix[x][y] = pixels[i - 1 + x, j - 1 + y]
totalPixels = totalPixels + 1
pixelSum = pixelSum + pixels[i - 1 + x, j - 1 + y]
average = pixelSum / totalPixels
list[i][j] = average
img.putpixel((i, j), average)
histograma.saveHistogram('histogram.txt', list, img.width, img.height)
img.save("result.bmp")
def execute(path):
img = Image.open(path)
pixels = img.load()
lines = 3
columns = 3
matrix = [[-1 for x in range(columns)] for y in range(lines)]
list = [[0 for x in range(img.width)] for y in range(img.height)]
for i in range(0, img.width):
for j in range(0, img.height):
totalPixels = 0
pixelSum = 0
mask = ((0, -1, 0), (-1, 4, -1), (0, -1, 0))
for x in range(0, lines):
for y in range(0, columns):
if (i - 1 + x < 0) or (j - 1 + y < 0) or (
i - 1 + x >= img.width) or (j - 1 + y >=
img.width):
matrix[x][y] = -1
else:
matrix[x][y] = pixels[i - 1 + x, j - 1 + y]
pixelSum = pixelSum + (mask[x][y] *
pixels[i - 1 + x, j - 1 + y])
img.putpixel((i, j), pixelSum)
list[i][j] = pixelSum
histograma.saveHistogram('histogram.txt', list, img.width, img.height)
img.save("result.bmp")
def execute(path):
img = Image.open(path)
pixels = img.load()
list = [[0 for x in range(img.width)] for y in range(img.height)]
for i in range(0, img.width):
for j in range(0, img.height):
fator = pixels[i, j]
if fator > 127:
img.putpixel((i, j), 246)
list[i][j] = 246
else:
img.putpixel((i, j), 0)
list[i][j] = 0
histograma.saveHistogram('histogram.txt', list, img.width, img.height)
img.save("result.bmp")
def execute(path):
img = Image.open(path)
pixels = img.load()
lines = 3
columns = 3
matrix = [[-1 for x in range(columns)] for y in range(lines)]
list = [[0 for x in range(img.width)] for y in range(img.height)]
for i in range(0, img.width):
for j in range(0, img.height):
totalPixels = 0
pixelSum = 0
popular = 0
value = 0.00
pixelList = [0] * 256
for x in range(0, lines):
for y in range(0, columns):
if (i - 1 + x < 0) or (j - 1 + y < 0) or (
i - 1 + x >= img.width) or (j - 1 + y >=
img.width):
matrix[x][y] = -1
else:
matrix[x][y] = pixels[i - 1 + x, j - 1 + y]
totalPixels = totalPixels + 1
pixelList[pixels[i - 1 + x, j - 1 +
y]] = pixelList[pixels[i - 1 + x,
j - 1 + y]] + 1
for x in range(0, 256):
if (popular < pixelList[x]):
popular = x
img.putpixel((i, j), popular)
list[i][j] = popular
histograma.saveHistogram('histogram.txt', list, img.width, img.height)
img.save("result.bmp")
def execute(path, k):
img = Image.open(path)
pixels = img.load()
lines = 3
columns = 3
matrix = [[-1 for x in range(columns)] for y in range(lines)]
list = [[0 for x in range(img.width)] for y in range(img.height)]
for i in range(0, img.width):
for j in range(0, img.height):
totalPixels = 0
medium = 0.00
pixelList = []
for x in range(0, lines):
for y in range(0, columns):
if (i - 1 + x < 0) or (j - 1 + y < 0) or (
i - 1 + x >= img.width) or (j - 1 + y >=
img.width):
matrix[x][y] = -1
else:
matrix[x][y] = pixels[i - 1 + x, j - 1 + y]
totalPixels = totalPixels + 1
pixelList.append(pixels[i - 1 + x, j - 1 + y])
bubbleSort.execute(pixelList)
if len(pixelList) > k:
medium = pixelList[k]
else:
medium = pixelList[len(pixelList) - 1]
img.putpixel((i, j), medium)
list[i][j] = medium
histograma.saveHistogram('histogram.txt', list, img.width, img.height)
img.save("result.bmp")
def execute(path):
img = Image.open(path)
imgHorizontal = Image.open(path)
imgVertical = Image.open(path)
pixels = img.load()
lines = 3
columns = 3
matrix = [[-1 for x in range(columns)] for y in range(lines)]
list = [[0 for x in range(img.width)] for y in range(img.height)]
listHorizontal = [[0 for x in range(img.width)] for y in range(img.height)]
listVertical = [[0 for x in range(img.width)] for y in range(img.height)]
for i in range(0, img.width):
for j in range(0, img.height):
totalPixels = 0
pixelSum = 0
pixelSumX = 0
pixelSumY = 0
average = 0.00
maskX = ((1, 0, 0), (0, -1, 0), (0, 0, 0))
maskY = ((0, 0, 1), (0, -1, 0), (0, 0, 0))
for x in range(0, lines):
for y in range(0, columns):
if (i - 1 + x < 0) or (j - 1 + y < 0) or (
i - 1 + x >= img.width) or (j - 1 + y >=
img.width):
matrix[x][y] = -1
else:
matrix[x][y] = pixels[i - 1 + x, j - 1 + y]
totalPixels = totalPixels + 1
if (maskX[x][y] >= 0):
pixelSumX = pixelSumX + (
maskX[x][y] * pixels[i - 1 + x, j - 1 + y])
else:
pixelSumX = pixelSumX - (
maskX[x][y] * pixels[i - 1 + x, j - 1 + y])
if (maskX[x][y] >= 0):
pixelSumY = pixelSumY + (
maskY[x][y] * pixels[i - 1 + x, j - 1 + y])
else:
pixelSumY = pixelSumY - (
maskY[x][y] * pixels[i - 1 + x, j - 1 + y])
if pixelSumX < 0:
pixelSumX = pixelSumX * -1
if pixelSumY < 0:
pixelSumY = pixelSumY * -1
# pixelSum = pixelSumX + pixelSumY
# pixelSumP1 = (matrix[0][0] + 0*matrix[0][1] + 0*matrix[0][2]) - (0*matrix[1][0] + (-1*matrix[1][1]) + 0*matrix[1][2])
# pixelSumP2 = (0*matrix[0][0] + 0*matrix[0][1] + matrix[0][2]) - (0*matrix[1][0] + (-1*matrix[1][1]) + 0*matrix[1][2])
pixelSumP1 = (matrix[1][1] - matrix[2][2])
pixelSumP2 = (matrix[1][2] - matrix[2][1])
if pixelSumP1 < 0:
pixelSumP1 = pixelSumP1 * -1
if pixelSumP2 < 0:
pixelSumP2 = pixelSumP2 * -1
pixelSum = pixelSumP1 + pixelSumP2
img.putpixel((i, j), pixelSum)
imgHorizontal.putpixel((i, j), pixelSumP1)
imgVertical.putpixel((i, j), pixelSumP2)
list[i][j] = pixelSum
listHorizontal[i][j] = pixelSumP1
listVertical[i][j] = pixelSumP2
histograma.saveHistogram('histogram.txt', list, img.width, img.height)
histograma.saveHistogram('histogramHorizontal.txt', listHorizontal,
img.width, img.height)
histograma.saveHistogram('histogramVertical.txt', listVertical, img.width,
img.height)
img.save("result.bmp")
imgHorizontal.save("resultHorizontal.bmp")
imgVertical.save("resultVertical.bmp")