我有一个(540, 960, 1)形状的图像，其值范围[0..255]为黑色和白色。我需要将其转换为“热图”表示。例如，像素255应该是最热的，像素应该是最0不热的。其他介于两者之间。我还需要将热图作为 Numpy 数组返回，以便稍后将它们合并到视频中。有没有办法实现这一目标？
尝试通过应用服务从 Azure Maps 获取令牌时，它返回以下错误。
"Azure CLI authentication failed due to an unknown error. See the troubleshooting guide for more information. https://aka.ms/azsdk/net/identity/azclicredential/troubleshoot ERROR: AADSTS50173: The provided grant has expired due to it being revoked, a fresh auth token is needed. The user might have changed or reset their password. The grant was issued on '2022-12-13T05:31:55.3867300Z' and the TokensValidFrom date (before which tokens are not valid) for this user is '2023-01-28T06:51:55.0000000Z'.
to_json有人能解释一下 Ruby和Ruby之间的区别吗JSON.parse()？