labelImg 快捷键 - 真香

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| Ctrl + u | Load all of the images from a directory |
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| Ctrl + r | Change the default annotation target dir |
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| Ctrl + s | Save |
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| Ctrl + d | Copy the current label and rect box |
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| Ctrl + Shift + d | Delete the current image |
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| Space | Flag the current image as verified |
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| w | Create a rect box |
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| d | Next image |
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| a | Previous image |
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| del | Delete the selected rect box |
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| Ctrl++ | Zoom in |
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| Ctrl-- | Zoom out |
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| ↑→↓← | Keyboard arrows to move selected rect box |
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