问隔离视频流中的彩色文本区域

EN

from scipy.misc import imread
import matplotlib.pyplot as plt
from colorsys import rgb_to_hsv
%matplotlib inline

# read in the image in RGB
img = imread('vUvMl.jpg', mode='RGB')

# find the sum of the Hue, Saturation, and Value values
# for each row in the image, top to bottom
rows = []
h_vals = []
s_vals = []
v_vals = []

for idx, row in enumerate(img):
    row_h = 0
    row_s = 0
    row_v = 0
    for pixel in row:
        r, g, b = pixel / 256
        h, s, v = rgb_to_hsv(r, g, b)
        row_h += h
        row_s += s
        row_v += v
    h_vals.append(row_h)
    s_vals.append(row_s)
    v_vals.append(row_v)
    rows.append(idx)

# plot the aggregate hue values for each row of the image
plt.scatter(rows, h_vals)
plt.title('Aggregate hue values for each row in image')
plt.show()