def make(src_path, out_path):
src = Image.open(src_path)
src = src.copy()
(srcr, srcg, srcb, srca) = src.split()
white = ImageChops.constant(src, 255)
outr = cast_gradation(srcr, 0, 90)
outg = cast_gradation(srcg, 0, 90)
outb = cast_gradation(srcb, 0, 90)
outa = srca.copy()
outr = ImageChops.composite(srcr, white, srca)
outg = ImageChops.composite(srcg, white, srca)
outb = ImageChops.composite(srcb, white, srca)
(shadow_a, shadow) = make_inset_shadow(srca)
outr = ImageChops.subtract(outr, shadow, 1, 0)
outg = ImageChops.subtract(outg, shadow, 1, 0)
outb = ImageChops.subtract(outb, shadow, 1, 0)
outa = ImageChops.lighter(outa, shadow_a)
(highlight_a, highlight) = make_highlight(srca)
outa = ImageChops.lighter(outa, highlight)
outa = ImageChops.subtract(outa, ImageChops.constant(outa, 25), 1, 0)
out = Image.merge('RGBA', (outr, outg, outb, outa))
out.save(out_path)
def make(src_path, out_path):
src = Image.open(src_path)
src = src.copy()
(srcr, srcg, srcb, srca) = src.split()
white = ImageChops.constant(src, 255)
outr = cast_gradation(srcr, 0, 90)
outg = cast_gradation(srcg, 0, 90)
outb = cast_gradation(srcb, 0, 90)
outa = srca.copy()
outr = ImageChops.composite(srcr, white, srca)
outg = ImageChops.composite(srcg, white, srca)
outb = ImageChops.composite(srcb, white, srca)
(shadow_a, shadow) = make_inset_shadow(srca)
outr = ImageChops.subtract(outr, shadow, 1, 0)
outg = ImageChops.subtract(outg, shadow, 1, 0)
outb = ImageChops.subtract(outb, shadow, 1, 0)
outa = ImageChops.lighter(outa, shadow_a)
(highlight_a, highlight) = make_highlight(srca)
outa = ImageChops.lighter(outa, highlight)
outa = ImageChops.subtract(outa, ImageChops.constant(outa, 25), 1, 0)
out = Image.merge('RGBA', (outr, outg, outb, outa))
out.save(out_path)
def assertSameImage(self, baseImage, testImage):
base_file = open(baseImage, 'rb')
test_file = open(testImage, 'rb')
base_image = Image.open(base_file)
base = base_image.getdata()
test_image = Image.open(test_file)
test = test_image.getdata()
has_diff = True
for i in range(len(base)):
# Stop at first difference
if (base[i] - test[i]) != 0:
break
else:
has_diff = False
if has_diff and 'SHOW_IMAGE_DIFF' in os.environ:
test_image.show()
base_image.show()
differ = ImageChops.subtract(test_image, base_image)
differ.show()
differ2 = ImageChops.subtract(base_image, test_image)
differ2.show()
# output the result as base64 for travis debugging
if 'SHOW_DIFF_DEBUG' in os.environ:
print(base64.b64encode(differ.tobytes()))
print(base64.b64encode(differ2.tobytes()))
if has_diff and 'SHOW_DIFF_DEBUG' in os.environ:
print()
print(os.system("gs --version"))
base_file.seek(0)
print(baseImage)
print(base64.b64encode(base_file.read()))
print(self._basePath)
with open(self._basePath, 'rb') as base_pdf:
print(base64.b64encode(base_pdf.read()))
test_file.seek(0)
print(testImage)
print(base64.b64encode(test_file.read()))
print(self._testPath)
with open(self._testPath, 'rb') as test_pdf:
print(base64.b64encode(test_pdf.read()))
base_file.close()
test_file.close()
if has_diff:
self.fail('Image is not the same: %s' %
os.path.basename(baseImage))
def process(self):
srcRun = self.paths[0][3]
dstRun = self.paths[1][3]
quantity = self.paths[0][-1].split(".")[0]
textToDraw = ("BINARY " if useSimpleColorDiff else "") + "DIFFERENCE BETWEEN " + srcRun + " AND " + dstRun + " FOR " + quantity
textWidthHeight = self.font.getsize(textToDraw)
myDraw = ImageDraw.Draw(self.finalImage)
myDraw.text( (self.currSize[0] * 1.5 - textWidthHeight[0] * 0.5, 100), textToDraw, fill = (0, 0, 0), font = self.font)
del myDraw
if useSimpleColorDiff:
#ONE COLOR FOR ALL DIFFERENCES
myDiff = ImageChops.subtract(self.regions[0], self.regions[1])
for i in range(myDiff.size[0]):
for j in range(myDiff.size[1]):
# print(i, j)
px = myDiff.getpixel((i, j))
if px[0] != 0 or px[1] != 0 or px[2] != 0:
myDiff.putpixel((i, j), binaryDifferenceColor)
self.regions[1].putpixel((i, j), binaryDifferenceColor) # create difference-masked image
myDiff = ImageChops.add(myDiff, self.regions[2])
self.finalImage.paste(self.regions[1], (self.currSize[0], self.currSize[1] + yShift))
textToDraw = "DIFFERENCE-MASKED TRACKER MAP FOR RUN " + dstRun
else:
###MANY COLORS INDICATE MANY POSSIBLE DIFFERENCES
myDiff = ImageChops.subtract(self.regions[0], self.regions[1])
myDiff = ImageChops.add(myDiff, self.regions[2]) #2 - refRegion
blendedImage = Image.blend(self.regions[0], self.regions[1], op)
self.finalImage.paste(blendedImage, (self.currSize[0], self.currSize[1] + yShift))
textToDraw = "SUPERIMPOSED TRACKER MAPS"
textWidthHeight = self.font.getsize(textToDraw)
myDraw = ImageDraw.Draw(self.finalImage)
myDraw.text( (self.currSize[0] * 1.5 - textWidthHeight[0] * 0.5, self.currSize[1] + 100), textToDraw, fill = (0, 0, 0), font = self.font)
del myDraw
self.finalImage.paste(myDiff, (self.currSize[0], yShift))
outputFileName = self.savePath + "comparisonImage_" + srcRun + "vs" + dstRun + ".png"
print(outputFileName)
self.finalImage.save(outputFileName)
def run(self):
'''
Limpia las imagenes empleando PIL
'''
# notificar el inicio de operaciones
self.notificador.inicio_operacion.emit()
import Image, ImageChops, ImageOps, ImageEnhance
for i in range(len(self.imagenesIn)):
im = Image.open(self.imagenesIn[i])
if im:
im1 = ImageChops.invert(im)
im = ImageChops.subtract(im1, im)
im = im.convert('L')
im = ImageChops.invert(im)
im = ImageEnhance.Brightness(im).enhance(2.0)
im = ImageOps.colorize(im, (0, 0, 0), (255, 255, 255))
im.save(self.imagenesOut[i])
else:
self.notificador.error.emit('Error al procesar la imagen: ' +
self.imagenesIn[i])
return
# notificar a la aplicacion el resultado de la operacion
self.notificador.correcto.emit(self.plugin.nombre())
# notificar el fin de operaciones
self.notificador.fin_operacion.emit()
return
def loadallimgs(self, basename, scalefactor=1.0):
"""load images from disk, scale them immediately, subtract off
the image called 'ambient' (if present) from all other
images. Given basename like path/to/foo, loads images with
names like path/to/foo.light1, path/to/foo.light2, etc. The
filename after the . is considered to be the light name
throughout the program. """
if self.loadedscale == scalefactor: # already loaded at this scale
return
self.im = {}
ambientimg = None
sizenotset = 1
for fullname in glob.glob(basename + ".*"):
x = fullname[fullname.find(".") + 1 :]
self.im[x] = Image.open(fullname)
if scalefactor != 1.0:
self.im[x] = self.im[x].resize([a * scalefactor for a in self.im[x].size])
if x == "ambient":
ambientimg = self.im[x]
if sizenotset:
self.config(width=self.im[x].size[0], height=self.im[x].size[1])
self.itk = ImageTk.PhotoImage(Image.new("RGB", self.im[x].size))
self.config(image=self.itk)
sizenotset = 0
# subtract off an image called 'ambient' from all the rest
if ambientimg is not None:
for k in self.im.keys():
if k != "ambient":
self.im[k] = ImageChops.subtract(self.im[k], ambientimg)
self.loadedscale = scalefactor
self._remix() # update the image
def make_inset_shadow(alpha):
mc = alpha.copy()
for i in xrange(6):
mc = mc.filter(ImageFilter.SMOOTH_MORE)
mc = ImageChops.subtract(alpha, mc)
mcb = ImageEnhance.Brightness(mc).enhance(0.35)
m1 = alpha.copy()
for i in xrange(6):
m1 = m1.filter(ImageFilter.SMOOTH_MORE)
m1 = m1.offset(0, OFFSET_S)
m1 = ImageChops.subtract(alpha, m1)
m1b = ImageEnhance.Brightness(m1).enhance(0.35)
m = ImageChops.lighter(mc, m1)
mb = ImageChops.lighter(mcb, m1b)
return (m, mb)
def make_inset_shadow(alpha):
mc = alpha.copy()
for i in xrange(6):
mc = mc.filter(ImageFilter.SMOOTH_MORE)
mc = ImageChops.subtract(alpha, mc)
mcb = ImageEnhance.Brightness(mc).enhance(0.35)
m1 = alpha.copy()
for i in xrange(6):
m1 = m1.filter(ImageFilter.SMOOTH_MORE)
m1 = m1.offset(0, OFFSET_S)
m1 = ImageChops.subtract(alpha, m1)
m1b = ImageEnhance.Brightness(m1).enhance(0.35)
m = ImageChops.lighter(mc, m1)
mb = ImageChops.lighter(mcb, m1b)
return (m, mb)
def erode(self, image):
paddedImage = self.createPaddedImage(image, 1)
thresholdImg = paddedImage.point(lambda i, v=128: i > v and 255)
filteredImg = thresholdImg.filter(ImageFilter.FIND_EDGES)
thresholdImg = filteredImg.point(lambda i, v=128: i > v and 255)
arithImg = ImageChops.subtract(paddedImage, thresholdImg)
box = (1, 1, arithImg.size[0]-1, arithImg.size[1]-1)
outImage = arithImg.crop(box)
return outImage
def estimate(file, s=5):
"""Estimates the amount of focus of an image file.
Returns a real number: lower values indicate better focus.
"""
im = Image.open(file).convert("L")
w,h = im.size
box = (w/2 - 50, h/2 - 50, w/2 + 50, h/2 + 50)
im = im.crop(box)
imf = im.filter(ImageFilter.MedianFilter(s))
d = ImageChops.subtract(im, imf, 1, 100)
return ImageStat.Stat(d).stddev[0]
def do_subtract(self):
"""usage: subtract <image:pic1> <image:pic2> <int:offset> <float:scale>
Pop the two top images, produce the scaled difference with offset.
"""
import ImageChops
image1 = self.do_pop()
image2 = self.do_pop()
scale = float(self.do_pop())
offset = int(self.do_pop())
self.push(ImageChops.subtract(image1, image2, scale, offset))
def estimate(file, s=5):
"""Estimates the amount of focus of an image file.
Returns a real number: lower values indicate better focus.
"""
im = Image.open(file).convert("L")
w, h = im.size
box = (w / 2 - 50, h / 2 - 50, w / 2 + 50, h / 2 + 50)
im = im.crop(box)
imf = im.filter(ImageFilter.MedianFilter(s))
d = ImageChops.subtract(im, imf, 1, 100)
return ImageStat.Stat(d).stddev[0]
def do_subtract(self):
"""usage: subtract <image:pic1> <image:pic2> <int:offset> <float:scale>
Pop the two top images, produce the scaled difference with offset.
"""
import ImageChops
image1 = self.do_pop()
image2 = self.do_pop()
scale = float(self.do_pop())
offset = int(self.do_pop())
self.push(ImageChops.subtract(image1, image2, scale, offset))
def estimate(file, s=5):
"""Estimates the amount of focus of an image file.
Returns a real number: higher values indicate better focus.
Bug: a high-contrast, blurry image can be considered with better focus
than a low-contrast, perfectly focused image.
"""
im = Image.open(file).convert("L")
w, h = im.size
box = (w / 2 - 50, h / 2 - 50, w / 2 + 50, h / 2 + 50)
im = im.crop(box)
imf = im.filter(ImageFilter.MedianFilter(s))
d = ImageChops.subtract(im, imf, 1, 100)
return ImageStat.Stat(d).stddev[0]
def estimate(file, s=5):
"""Estimates the amount of focus of an image file.
Returns a real number: higher values indicate better focus.
Bug: a high-contrast, blurry image can be considered with better focus
than a low-contrast, perfectly focused image.
"""
im = Image.open(file).convert("L")
w,h = im.size
box = (w/2 - 50, h/2 - 50, w/2 + 50, h/2 + 50)
im = im.crop(box)
imf = im.filter(ImageFilter.MedianFilter(s))
d = ImageChops.subtract(im, imf, 1, 100)
return ImageStat.Stat(d).stddev[0]
def create(self):
mask = ImageChops.subtract(self.white, self.black, -1, 255)
maskgray = mask.convert("L")
#out = self.black.convert("RGBA") # this doesn't premultiply alpha correctly?
#this better?
def divide(ch):
env = {"val": ch, "mask": maskgray}
return ImageMath.eval("val*255/mask",env).convert("L")
out = channelMap(divide, self.black).convert("RGBA")
out.putalpha(maskgray)
return out
def create(self):
mask = ImageChops.subtract(self.white, self.black, -1, 255)
maskgray = mask.convert("L")
#out = self.black.convert("RGBA") # this doesn't premultiply alpha correctly?
#this better?
def divide(ch):
env = {"val": ch, "mask": maskgray}
return ImageMath.eval("val*255/mask", env).convert("L")
out = channelMap(divide, self.black).convert("RGBA")
out.putalpha(maskgray)
return out
def image_difference(im1, im2, threshold):
px1 = im1.load()
px2 = im2.load()
if im1.size[0] > im2.size[0] or im1.size[1] > im1.size[1]:
print "error: first image too small"
return False
diff = 0
for x in range(im1.size[0]):
for y in range(im2.size[1]):
p1 = px1[x, y]
p2 = px2[x, y]
for i in range(3):
diff += abs(p1[i] - p2[i])
diffImage = ImageChops.subtract(im1, im2, 0.5, 128)
diffImage.save('geodots-diff.png')
if diff >= threshold:
print "error: image difference too large (", diff, ")"
return False
return True
def saturation(image, amount=50):
"""Adjust brightness from black to white
- amount: -1(black) 0 (unchanged) 1(white)
- repeat: how many times it should be repeated"""
if amount == 0:
return image
amount /= 100.0
grey = image.convert("L").convert(image.mode)
if amount < 0:
#grayscale
im = imtools.blend(image, grey, -amount)
else:
#overcolored = Image - (alpha * Grey) / (1 - alpha)
alpha = 0.7
alpha_g = grey.point(lambda x: x * alpha)
i_minus_alpha_g = ImageChops.subtract(image, alpha_g)
overcolored = i_minus_alpha_g.point(lambda x: x / (1 - alpha))
im = imtools.blend(image, overcolored, amount)
#fix image transparency mask
if image.mode == 'RGBA':
im.putalpha(imtools.get_alpha(image))
return im
def saturation(image, amount=50):
"""Adjust brightness from black to white
- amount: -1(black) 0 (unchanged) 1(white)
- repeat: how many times it should be repeated"""
if amount == 0:
return image
amount /= 100.0
grey = image.convert("L").convert(image.mode)
if amount < 0:
#grayscale
im = imtools.blend(image, grey, -amount)
else:
#overcolored = Image - (alpha * Grey) / (1 - alpha)
alpha = 0.7
alpha_g = grey.point(lambda x: x * alpha)
i_minus_alpha_g = ImageChops.subtract(image, alpha_g)
overcolored = i_minus_alpha_g.point(lambda x: x / (1 - alpha))
im = imtools.blend(image, overcolored, amount)
#fix image transparency mask
if image.mode == 'RGBA':
im.putalpha(imtools.get_alpha(image))
return im
if f.rpartition(".")[2] == "jpg":
lista.append(f)
lista.sort()
print(lista)
#create a new list for selected frames
lista2 = []
#start substracting frames in order
image1 = Image.open(lista[0])
for i in range(len(lista)-1):
try:
diferente = True
image2= Image.open(lista[i+1])
dif = ImageChops.subtract(image1, image2)
# number of pixels in the image (width x height)
pixels = dif.size[0]*dif.size[1]
#[0][256]&[512] are black values from R G and B channel, all 3 must be equal to the
# number of pixels in the image for the image to be full black
if dif.histogram()[0] == dif.histogram()[256] == dif.histogram()[512] == pixels:
diferente = False
if not diferente:
print("same frame")
else:
print("diferent frame: ",image1.filename, image2.filename)
lista2.append(image1)
image1 = Image.open(lista[i+1])
except IOError:
def subtract_polygon_from_image(polygon, image): '''Sets all pixels inside the polygon to 0''' polygon = polygon2image(polygon, image.size, 'RGB') image = ImageChops.subtract(image, polygon) return image
import Image, ImageChops
import numpy as np
hr_flist = 'flist/hr.flist'
lr_flist = 'flist/lrX2.flist'
res_flist = 'flist/lrX2res.flist'
with open(hr_flist) as f:
hr_filename_list = f.read().splitlines()
with open(lr_flist) as f:
lr_filename_list = f.read().splitlines()
with open(res_flist) as f:
res_filename_list = f.read().splitlines()
for hr_filename, lr_filename, res_filename in zip(hr_filename_list,
lr_filename_list,
res_filename_list):
hr_image = Image.open(hr_filename)
lr_image = Image.open(lr_filename)
lr_image = lr_image.resize(hr_image.size, Image.ANTIALIAS)
lr_image = ImageChops.subtract(hr_image, lr_image, 1, 127)
lr_image.save(res_filename)
