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)

复制代码

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()