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oflyhigh

109.4 K
Hive.Blog

纸上得来终觉浅:测试Pillow与OpenCV调整(缩减)图片尺寸的效率

在《每天进步一点点:使用Python批量修改图片尺寸》一文中,我曾提到之所以选择使用OpenCV库而不是Pillow,是因为OpenCV库使用C++实现,而Pillow是纯Python实现,所以使用OpenCV会比Pillow高效一点点。 (图源 :pixabay) 当我...

oflyhigh

109.4 K
Hive.Blog

每天进步一点点:使用Python批量修改图片尺寸

话说O哥之前曾在帖子中提及过,旅游贴的每张照片都是精挑细选,再用Windows的画图软件(Paint)一张张修改尺寸后,才上传到HIVE上来,蠢得不得了。 (图源 :pixabay) 之所以修改尺寸,是因为照片的原始尺寸太大,占用公用图床空间不说,上传下载都会很慢。上传的...

aborowczak1972

12.78
PeakD

Example for Face detection a Addition to the post Face recognition with OpenCV and the Viola-Jones algorithm

befor you beginn download on https://github.com/opencv/opencv/tree/master/data/haarcascades this files: haarcascade_frontalface_default....

aborowczak1972

12.78
PeakD

Face recognition with OpenCV and the Viola-Jones algorithm

Welcome to my blog about face recognition with OpenCV and the Viola-Jones algorithm! In this blog I will explain the concept of face rec...

engportal

11.78
Waivio

Control Your Mouse with Hand Gestures and Camera

I came across OpenCV modules that allow controlling your computer mouse pointer with your finger in space using open-source computer visi...

aicoding

1.1 K

Handwritten Digit Recognition Virtual Pen

▶️ Watch on 3Speak I had a crazy idea of creating a “video game” using the Raspberry Pi 4 and a cool machine learning algorithm working ...
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