Where are "img0_b", "img1_b", and "flow_gt_b" defined in FlowNet2 model? about flownet2 HOT 13 OPEN

@dakeli are you running a test mode, e.g. make runtest? Our own custom layers do not run tests and will fail.

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@shahabty I met the same question. It's because that when I was just running the FlowNet2 model, I typed FlowNet2_train.prototxt.template in the terminal rather than FlowNet2_deploy.prototxt.template. That is my typing mistake. I hope it can help you.

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I meet the same problem and I guess it myself
Another question: ResampleLayer cannot do backward.

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This is actually because when finetuning for small displacements we use a mixture of small and large displacements, which we get from different databases. Therefore there is img0_a and img0_b (later the batches are concatenated). However, I will fix the model so it works with only one dataset.

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@eddy-ilg I am getting the same issue - "ResampleLayer cannot do backward" did you figure it out?

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Hi @eddy-ilg, any word on your fix?

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LayerFactoryTest/0.TestCreateLayer
src/caffe/test/test_layer_factory.cpp:47: Failure
Value of: layer->type()
Actual: "NormLayer"
Expected: iter->first
Which is: "ChannelNorm"
F0827 18:42:06.915846 28432 custom_data_layer.cpp:661] Check failed: !pthread_join(thread_, NULL) Pthread joining failed.
*** Check failure stack trace: ***
@ 0x2b003d54bdaa (unknown)
@ 0x2b003d54bce4 (unknown)
@ 0x2b003d54b6e6 (unknown)
@ 0x2b003d54e687 (unknown)
@ 0x2b003f858132 caffe::CustomDataLayer<>::JoinPrefetchThread()
@ 0x2b003f8598e4 caffe::CustomDataLayer<>::~CustomDataLayer()
@ 0x2b003f859bd9 caffe::CustomDataLayer<>::~CustomDataLayer()
@ 0x71821b caffe::LayerFactoryTest_TestCreateLayer_Test<>::TestBody()
@ 0x8f48b3 testing::internal::HandleExceptionsInMethodIfSupported<>()
@ 0x8eb597 testing::Test::Run()
@ 0x8eb63e testing::TestInfo::Run()
@ 0x8eb745 testing::TestCase::Run()
@ 0x8eea88 testing::internal::UnitTestImpl::RunAllTests()
@ 0x8eed17 testing::UnitTest::Run()
@ 0x46d2df main
@ 0x2b0040b04830 (unknown)
@ 0x474e99 _start
@ (nil) (unknown)
make: *** [runtest] 已放弃 (core dumped)

anyone can help me？

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Hello,
@eddy-ilg Unknown bottom blob 'img0_a_org' (layer 'crop_params', bottom index 0)
Is there any solution?

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I'm facing the same issue, any info about this ?

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Same issue here. The final FlowNet2 model still has layers referencing to img0_a, img1_b and flow_gt_b. Furthermore, the two CustomDataLayer at the very top have unconnected top blobs: blob0-2.
Is there a solution?

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@nikolausmayer
Kind of getting the same error when I test on Flownet-2
Any idea why this might be happening?

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@TusharNimbhorkar Same error here. Have you solved it?

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same problem. Any updates?

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