Created
December 10, 2018 06:55
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Pillow & skimage & OpenCV image encode benchmark
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import numpy | |
from skimage import io | |
import time | |
from PIL import Image | |
import cv2 | |
import sys, os | |
sys.path.append(os.path.join(os.path.dirname(__file__), '..')) | |
from config import projectPath | |
img = io.imread(f"{projectPath}/temp/fullimg.jpg") | |
now = time.time() | |
for i in range(20): | |
io.imsave(f"{projectPath}/temp/skimg.jpg", img) | |
print(f"{i} loop analysis.") | |
print(f"use {(time.time() - now) / 20}s per encode.") | |
image = Image.open(f"{projectPath}/temp/fullimg.jpg") | |
now = time.time() | |
for i in range(20): | |
with open(f"{projectPath}/temp/skimg.jpg", "wb") as tempImg: | |
image.save(tempImg, format='jpeg') | |
print(f"{i} loop analysis.") | |
print(f"use {(time.time() - now) / 20}s per encode.") | |
opencvImage = cv2.cvtColor(numpy.array(image), cv2.COLOR_RGB2BGR) | |
now = time.time() | |
for i in range(20): | |
cv2.imwrite('messigray.jpg', opencvImage) | |
print(f"{i} loop analysis.") | |
print(f"use {(time.time() - now) / 20}s per encode.") |
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0 loop analysis. | |
1 loop analysis. | |
2 loop analysis. | |
3 loop analysis. | |
4 loop analysis. | |
5 loop analysis. | |
6 loop analysis. | |
7 loop analysis. | |
8 loop analysis. | |
9 loop analysis. | |
10 loop analysis. | |
11 loop analysis. | |
12 loop analysis. | |
13 loop analysis. | |
14 loop analysis. | |
15 loop analysis. | |
16 loop analysis. | |
17 loop analysis. | |
18 loop analysis. | |
19 loop analysis. | |
use 0.29269862174987793s per encode. | |
0 loop analysis. | |
1 loop analysis. | |
2 loop analysis. | |
3 loop analysis. | |
4 loop analysis. | |
5 loop analysis. | |
6 loop analysis. | |
7 loop analysis. | |
8 loop analysis. | |
9 loop analysis. | |
10 loop analysis. | |
11 loop analysis. | |
12 loop analysis. | |
13 loop analysis. | |
14 loop analysis. | |
15 loop analysis. | |
16 loop analysis. | |
17 loop analysis. | |
18 loop analysis. | |
19 loop analysis. | |
use 0.1573304533958435s per encode. | |
0 loop analysis. | |
1 loop analysis. | |
2 loop analysis. | |
3 loop analysis. | |
4 loop analysis. | |
5 loop analysis. | |
6 loop analysis. | |
7 loop analysis. | |
8 loop analysis. | |
9 loop analysis. | |
10 loop analysis. | |
11 loop analysis. | |
12 loop analysis. | |
13 loop analysis. | |
14 loop analysis. | |
15 loop analysis. | |
16 loop analysis. | |
17 loop analysis. | |
18 loop analysis. | |
19 loop analysis. | |
use 0.03837261199951172s per encode. |
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