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Fix code style issues in Python demo based on code review

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Co-authored-by: ShiqiYu <7151133+ShiqiYu@users.noreply.github.com>
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copilot-swe-agent[bot]
2026-01-17 07:07:05 +00:00
parent b300772101
commit 19a28e09df
1 changed files with 5 additions and 6 deletions
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11
samples/python/tutorial_code/imgProc/resize_demo.py
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@@ -12,6 +12,7 @@ import cv2 as cv
import numpy as np import numpy as np
import sys import sys
import argparse import argparse
import time
def main(): def main():
# Parse command line arguments # Parse command line arguments
@@ -103,36 +104,34 @@ def main():
cv.imshow('Non-uniform Scale', dst_aspect) cv.imshow('Non-uniform Scale', dst_aspect)
# 6. Demonstrate timing comparison # 6. Demonstrate timing comparison
import time
print('\n6. Performance comparison (1000 iterations):') print('\n6. Performance comparison (1000 iterations):')
iterations = 1000 iterations = 1000
# Time INTER_NEAREST # Time INTER_NEAREST
start = time.time() start = time.time()
for _ in range(iterations): for _ in range(iterations):
_ = cv.resize(src, upscale_size, interpolation=cv.INTER_NEAREST) result = cv.resize(src, upscale_size, interpolation=cv.INTER_NEAREST)
nearest_time = time.time() - start nearest_time = time.time() - start
print(f' INTER_NEAREST: {nearest_time:.3f}s ({nearest_time/iterations*1000:.2f}ms per resize)') print(f' INTER_NEAREST: {nearest_time:.3f}s ({nearest_time/iterations*1000:.2f}ms per resize)')
# Time INTER_LINEAR # Time INTER_LINEAR
start = time.time() start = time.time()
for _ in range(iterations): for _ in range(iterations):
_ = cv.resize(src, upscale_size, interpolation=cv.INTER_LINEAR) result = cv.resize(src, upscale_size, interpolation=cv.INTER_LINEAR)
linear_time = time.time() - start linear_time = time.time() - start
print(f' INTER_LINEAR: {linear_time:.3f}s ({linear_time/iterations*1000:.2f}ms per resize)') print(f' INTER_LINEAR: {linear_time:.3f}s ({linear_time/iterations*1000:.2f}ms per resize)')
# Time INTER_CUBIC # Time INTER_CUBIC
start = time.time() start = time.time()
for _ in range(iterations): for _ in range(iterations):
_ = cv.resize(src, upscale_size, interpolation=cv.INTER_CUBIC) result = cv.resize(src, upscale_size, interpolation=cv.INTER_CUBIC)
cubic_time = time.time() - start cubic_time = time.time() - start
print(f' INTER_CUBIC: {cubic_time:.3f}s ({cubic_time/iterations*1000:.2f}ms per resize)') print(f' INTER_CUBIC: {cubic_time:.3f}s ({cubic_time/iterations*1000:.2f}ms per resize)')
# Time INTER_LANCZOS4 # Time INTER_LANCZOS4
start = time.time() start = time.time()
for _ in range(iterations): for _ in range(iterations):
_ = cv.resize(src, upscale_size, interpolation=cv.INTER_LANCZOS4) result = cv.resize(src, upscale_size, interpolation=cv.INTER_LANCZOS4)
lanczos_time = time.time() - start lanczos_time = time.time() - start
print(f' INTER_LANCZOS4: {lanczos_time:.3f}s ({lanczos_time/iterations*1000:.2f}ms per resize)') print(f' INTER_LANCZOS4: {lanczos_time:.3f}s ({lanczos_time/iterations*1000:.2f}ms per resize)')