ValueError: Shape must be rank 3 but is rank 4 for '{{node deeplabv3plus/concatenate_1/concat}} = ConcatV2[N=2, T=DT_FLOAT, Tidx=DT_INT32](deeplabv3plus/lambda_3/resize/Squeeze, deeplabv3plus/activation_8/Relu, deeplabv3plus/concatenate_1/concat/axis)' with input shapes: [104,104,2], [?,104,104,48], [].
ValueError: Shape must be rank 3 but is rank 4 for '{{node deeplabv3plus/concatenate_1/concat}} = ConcatV2[N=2, T=DT_FLOAT, Tidx=DT_INT32](deeplabv3plus/lambda_3/resize/Squeeze, deeplabv3plus/activation_8/Relu, deeplabv3plus/concatenate_1/concat/axis)' with input shapes: [104,104,2], [?,104,104,48], [].
环境keras-gpu 2.4.3