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handle single channel images in tensor_to_img #47

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Merged
greentfrapp merged 1 commit into from
May 19, 2024
Merged

handle single channel images in tensor_to_img #47

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4 changes: 4 additions & 0 deletions lucent/optvis/render.py
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Original file line number Diff line number Diff line change
Expand Up @@ -136,6 +136,10 @@ def closure():
def tensor_to_img_array(tensor):
image = tensor.cpu().detach().numpy()
image = np.transpose(image, [0, 2, 3, 1])
# Check if the image is single channel and convert to 3-channel
if len(image.shape) == 4 and image.shape[3] == 1: # Single channel image
image = np.repeat(image, 3, axis=3)
image = (image * 255).astype(np.uint8)
return image


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