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像素坐标系的原点和x轴y轴 #39

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zhu2900000 opened this issue Jun 18, 2024 · 7 comments
Open

像素坐标系的原点和x轴y轴 #39

zhu2900000 opened this issue Jun 18, 2024 · 7 comments

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@zhu2900000
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你好,我在验证lidar坐标转像素坐标系的效果,请问像素坐标的是怎么约定的?
image
box2d_corner 这个坐标系

@w111liang222
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图像数据表示是与opencv中一致的,在python中保存为numpy数组,x轴是水平方向,y是垂直方向

@zhu2900000
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原点在左上角?
@w111liang222

@w111liang222
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对,像素坐标系原点在左上角

@zhu2900000
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zhu2900000 commented Jun 18, 2024

2024-06-18 14-21-23屏幕截图

你好我获取的结果是正确的吗,上下四个角的顺序有些区别,我标定的结果不能说精确但是是正确可用的。

@w111liang222
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没太看懂,最好是看图像上框的物体是不是准确

@zhu2900000
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没太看懂,最好是看图像上框的物体是不是准确

图像上是3D视角,怎么看RGB平面投影的效果呢?楼主是怎么调试的呢?
@w111liang222

@w111liang222
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检测到目标后,在preview页面右上角"目标”打开2D显示

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