08_OpenCV文字图片绘制

A_lvvx2024-09-30 14:38

复制代码

import cv2 
import numpy as np

img = cv2.imread('image0.jpg',1)
font = cv2.FONT_HERSHEY_SIMPLEX

cv2.rectangle(img,(500,400),(200,100),(0,255,0),20)
# 1 dst 2 文字内容 3 坐标 4 5 字体大小 6 color 7 粗细 8 line type
cv2.putText(img,'flower',(200,50),font,1,(0,0,250),2,cv2.LINE_AA)
# cv2.imshow('src',img)
# cv2.waitKey(0)

array([[[ 34, 36, 30],

[ 33, 35, 29],

[ 31, 33, 27],

...,

[ 83, 110, 60],

[ 85, 110, 60],

[ 85, 110, 60]],

[[ 32, 34, 28],

[ 31, 33, 27],

[ 30, 32, 26],

...,

[ 80, 107, 57],

[ 81, 106, 56],

[ 81, 106, 56]],

[[ 31, 33, 27],

[ 31, 33, 27],

[ 30, 32, 26],

...,

[ 78, 107, 57],

[ 77, 104, 54],

[ 77, 104, 54]],

...,

[[ 14, 16, 17],

[ 11, 16, 15],

[ 15, 18, 16],

...,

[ 16, 16, 16],

[ 9, 11, 11],

[ 10, 12, 12]],

[[ 12, 16, 17],

[ 11, 16, 15],

[ 15, 19, 14],

...,

[ 16, 16, 16],

[ 14, 16, 16],

[ 15, 17, 17]],

[[ 12, 16, 17],

[ 11, 16, 15],

[ 15, 19, 14],

...,

[ 16, 16, 16],

[ 17, 19, 19],

[ 17, 19, 19]]], dtype=uint8)

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import matplotlib.pyplot as plt
%matplotlib inline

dst = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
plt.imshow(dst)
plt.show()

图片绘制

复制代码

import cv2 
img = cv2.imread('image0.jpg',1)
height = int(img.shape[0]*0.2)
width = int(img.shape[1]*0.2)
imgResize = cv2.resize(img,(width,height))
for i in range(0,height):
    for j in range(0,width):
        img[i+200,j+350] = imgResize[i,j]
# cv2.imshow('src',img)
# cv2.waitKey(0)

复制代码

img = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
plt.imshow(img)
plt.show()