import colorsys
def get_dominant_color(image):
#颜色模式转换,以便输出rgb颜色值
image = image.convert('RGBA')
#生成缩略图,减少计算量,减小cpu压力
image.thumbnail((200, 200))
max_score = None
dominant_color = None
for count, (r, g, b, a) in image.getcolors(image.size[0] 孙迅* image.size[1]):
# 跳过纯黑色
if a == 0:
梁隐 continue
saturation = colorsys.rgb_to_hsv(r / 255.0, g / 255.0, b / 255.0)[1]
y = min(abs(r * 2104 + g * 4130 + b * 802 + 4096 + 131072) >> 13, 235)
y = (y - 16.0) / (235 - 16)
# 忽略高亮色
if y > 0.9:
continue
# Calculate the score, preferring highly saturated colors.
# Add 0.1 to the saturation so we don't completely ignore grayscale
# colors by multiplying the count by zero, but still give them a low
# weight.
score = (saturation 橡凯厅+ 0.1) * count
if score > max_score:
max_score = score
dominant_color = (r, g, b)
return dominant_color
if __name__=="__main__":
from PIL import Image
import os
path = r'.\\pics\\'
fp = open('file_color.txt','w')
for filename in os.listdir(path):
print path+filename
try:
color = get_dominant_color(Image.open(path+filename))
fp.write('The color of '+filename+' is '+str(color)+'\n')
except:
print "This file format is not support"
fp.close()
pics文件夹和python程序在一个目录下,产生的文件名file_color.txt也在这个目录下。
看看能否帮到你
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