Skip to main content
 首页 » 编程设计

python之tensorflow object detection faster rcnn 随机失败

2025年02月15日29cmt

我正在尝试使用 tensorflow 1.2 中的新对象检测 api 和示例 faster-rcnn 配置来训练自定义数据集。我得到的错误与一些张量形状有关,但它在训练过程中似乎是随机发生的,而且确切的形状也会发生变化。

INFO:tensorflow:global step 132: loss = 63.3741 (0.262 sec/step) 
INFO:tensorflow:global step 133: loss = 33.7362 (0.292 sec/step) 
INFO:tensorflow:global step 134: loss = 18.0165 (0.264 sec/step) 
INFO:tensorflow:global step 135: loss = 40.5577 (0.266 sec/step) 
INFO:tensorflow:global step 136: loss = 24.1086 (0.266 sec/step) 
2017-07-10 10:23:49.066345: W tensorflow/core/framework/op_kernel.cc:1165] Invalid argument: Incompatible shapes: [1,60,4] vs. [1,64,4] 
     [[Node: gradients/Loss/BoxClassifierLoss/Loss/sub_grad/BroadcastGradientArgs = BroadcastGradientArgs[T=DT_INT32, _device="/job:localhost/replica:0/task:0/gpu:0"](gradients/Loss/BoxClassifierLoss/Loss/sub_grad/Shape, gradients/Loss/BoxClassifierLoss/Loss/sub_grad/Shape_1)]] 
2017-07-10 10:23:49.066475: W tensorflow/core/framework/op_kernel.cc:1165] Invalid argument: Incompatible shapes: [1,60,4] vs. [1,64,4] 
     [[Node: gradients/Loss/BoxClassifierLoss/Loss/sub_grad/BroadcastGradientArgs = BroadcastGradientArgs[T=DT_INT32, _device="/job:localhost/replica:0/task:0/gpu:0"](gradients/Loss/BoxClassifierLoss/Loss/sub_grad/Shape, gradients/Loss/BoxClassifierLoss/Loss/sub_grad/Shape_1)]] 
2017-07-10 10:23:49.066509: W tensorflow/core/framework/op_kernel.cc:1165] Invalid argument: Incompatible shapes: [1,60,4] vs. [1,64,4] 
     [[Node: gradients/Loss/BoxClassifierLoss/Loss/sub_grad/BroadcastGradientArgs = BroadcastGradientArgs[T=DT_INT32, _device="/job:localhost/replica:0/task:0/gpu:0"](gradients/Loss/BoxClassifierLoss/Loss/sub_grad/Shape, gradients/Loss/BoxClassifierLoss/Loss/sub_grad/Shape_1)]] 
INFO:tensorflow:Error reported to Coordinator: <class 'tensorflow.python.framework.errors_impl.InvalidArgumentError'>, Incompatible shapes: [1,60,4] vs. [1,64,4] 
     [[Node: gradients/Loss/BoxClassifierLoss/Loss/sub_grad/BroadcastGradientArgs = BroadcastGradientArgs[T=DT_INT32, _device="/job:localhost/replica:0/task:0/gpu:0"](gradients/Loss/BoxClassifierLoss/Loss/sub_grad/Shape, gradients/Loss/BoxClassifierLoss/Loss/sub_grad/Shape_1)]] 
     [[Node: gradients/FirstStageFeatureExtractor/resnet_v1_50/resnet_v1_50/block1/unit_1/bottleneck_v1/conv3/convolution_grad/tuple/control_dependency_1/_2621 = _Recv[client_terminated=false, recv_device="/job:localhost/replica:0/task:0/cpu:0", send_device="/job:localhost/replica:0/task:0/gpu:0", send_device_incarnation=1, tensor_name="edge_13108_gradients/FirstStageFeatureExtractor/resnet_v1_50/resnet_v1_50/block1/unit_1/bottleneck_v1/conv3/convolution_grad/tuple/control_dependency_1", tensor_type=DT_FLOAT, _device="/job:localhost/replica:0/task:0/cpu:0"]()]] 

如您所见,它正确运行了可变数量的步骤,然后给我 Invalid argument: Incompatible shapes: [1,60,4] vs. [1,64,4]。我不明白的是为什么会触发此错误,以及不兼容形状的来源,因为这在运行之间也会发生变化。

当我将我的数据集转换为 TF 格式时,我不确定这是否是我的问题。但是,我已经使用他们的 ssd 实现在同一个数据集上成功训练了几天,所以我认为可以肯定地说数据格式正确。

编辑:标签映射文件是 here .我想再次指出,这个相同的数据集使用 ssd 运行完美。

请您参考如下方法:

Tensorflow Object Detection API 假定“0”标签是为“none_of_the_above”保留的,因此立即要做的一件事是将标签图中的每个标签索引加 1。

目前还不清楚为什么 Faster R-CNN 会失败(以一种困难的方式)而不是 SSD(可能是我们需要深入研究的东西)——但如果你得到很好的结果,我会感到有点惊讶SSD 使用该标签映射。