OpenCV resize()缩放图片 error: (-215:Assertion failed) inv_scale_x > 0 in function ‘cv::resize’

Python报错

参考:OpenCV resize()缩放图片 error: (-215:Assertion failed) inv_scale_x > 0 in function ‘cv::resize’

C++ 嵌入式报错

terminate called after throwing an instance of 'cv::Exception'what( ) :
OpenCV(4.5.4) /docker_ws/opny/openc-4.5.4/modules/ingproc/src/resize,cpp:4054: 
error: (-215:Asertion failed) inv_scale x > 0 in function 'resize'

在这里插入图片描述

  • GDB信息

在这里插入图片描述

  • 官方定义
void resize( InputArray src, OutputArray dst,
				Size dsize, double fx = 0, double fy = 0,
							int interpolation = INTER_LINEAR );
  • cv::Size(50,50)运行报错
cv::Mat 原图/缩放后图;
cv::resize(原图,缩放后图,cv::Size(50,50)); //缩放成50*50,报错
  • cv::Size(0,0),0.125,0.125 运行成功
  • 目前只能,修改fx和fy的值,指定目标图像的缩放比例:
cv::Mat 原图/缩放后图;
cv::resize(原图,缩放后图,cv::Size(0,0),0.125,0.125);

原因是啥,目前还未知

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转载自blog.csdn.net/qq_47355554/article/details/128388415
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