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detection-pytorch-notebook's Issues

CUDA编译错误

博主你好,我使用的pytorch版本为1.3.1,运行sh make.sh时碰到错误如下

running build_ext
skipping 'model/utils/bbox.c' Cython extension (up-to-date)
skipping 'pycocotools/_mask.c' Cython extension (up-to-date)
Compiling nms kernels by nvcc...
Traceback (most recent call last):
  File "build.py", line 4, in <module>
    from torch.utils.ffi import create_extension
  File "/home/polly/anaconda3/envs/FasterRCNN/lib/python3.7/site-packages/torch/utils/ffi/__init__.py", line 1, in <module>
    raise ImportError("torch.utils.ffi is deprecated. Please use cpp extensions instead.")
ImportError: torch.utils.ffi is deprecated. Please use cpp extensions instead.
Compiling roi pooling kernels by nvcc...
Traceback (most recent call last):
  File "build.py", line 4, in <module>
    from torch.utils.ffi import create_extension
  File "/home/polly/anaconda3/envs/FasterRCNN/lib/python3.7/site-packages/torch/utils/ffi/__init__.py", line 1, in <module>
    raise ImportError("torch.utils.ffi is deprecated. Please use cpp extensions instead.")
ImportError: torch.utils.ffi is deprecated. Please use cpp extensions instead.
Compiling roi align kernels by nvcc...
Traceback (most recent call last):
  File "build.py", line 4, in <module>
    from torch.utils.ffi import create_extension
  File "/home/polly/anaconda3/envs/FasterRCNN/lib/python3.7/site-packages/torch/utils/ffi/__init__.py", line 1, in <module>
    raise ImportError("torch.utils.ffi is deprecated. Please use cpp extensions instead.")
ImportError: torch.utils.ffi is deprecated. Please use cpp extensions instead.
Compiling roi crop kernels by nvcc...
Traceback (most recent call last):
  File "build.py", line 5, in <module>
    from torch.utils.ffi import create_extension
  File "/home/polly/anaconda3/envs/FasterRCNN/lib/python3.7/site-packages/torch/utils/ffi/__init__.py", line 1, in <module>
    raise ImportError("torch.utils.ffi is deprecated. Please use cpp extensions instead.")
ImportError: torch.utils.ffi is deprecated. Please use cpp extensions instead.

这个该如何解决呢,求教

第4章的anchor_target_layer.py中代码格式似乎有问题

代码位置:chapter4/faster-rcnn-pytorch/lib/model/rpn/anchor_target_layer.py 的第166行

num_examples = torch.sum(labels[i] >= 0)
请问方括号里的 i 是在哪里定义的?是上面for语句里面的吗?是不是格式化错了?能否调整下,谢谢!

环境配置成功,代码跑不通

Traceback (most recent call last):
File "/home/zhangfei/Code/Detection-PyTorch-Notebook-master/chapter4/faster-rcnn-pytorch/test_net.py", line 28, in
from model.nms.nms_wrapper import nms
File "/home/zhangfei/Code/Detection-PyTorch-Notebook-master/chapter4/faster-rcnn-pytorch/lib/model/nms/nms_wrapper.py", line 10, in
from model.nms.nms_gpu import nms_gpu
File "/home/zhangfei/Code/Detection-PyTorch-Notebook-master/chapter4/faster-rcnn-pytorch/lib/model/nms/nms_gpu.py", line 4, in
from ._ext import nms
File "/home/zhangfei/Code/Detection-PyTorch-Notebook-master/chapter4/faster-rcnn-pytorch/lib/model/nms/_ext/nms/init.py", line 3, in
from ._nms import lib as _lib, ffi as _ffi
ImportError: /home/zhangfei/Code/Detection-PyTorch-Notebook-master/chapter4/faster-rcnn-pytorch/lib/model/nms/_ext/nms/_nms.so: undefined symbol: __cudaRegisterFatBinaryEnd

本人电脑显卡为RTX2060,没有记错的话只支持cuda10.0以上的版本,我安装了cuda10.2,pytorch0.4.0,验证安装成功,但是代码跑不通,求解。

运行出现error

请问博主为什么按照您的书籍上的代码运行会出现RuntimeError: torch.cuda.FloatTensor is not enabled.没有明白到底是何处出现了问题,请博主指教。

NAN错误

SSD lr设置为1e-3时会出现NAN。。改小了之后,为什么训练的过程中,loss震荡,时大时小。。。这怎么解决哇

PDF

你好,请问下有PDF版本吗,谢谢啦

chapter_1 代码问题

在Evaluator.py文件中,函数GetPascalVOCMetrics()中对将dects按照置信度排序,代码有错误!
原代码:
dects = sorted(dects, key=lambda conf: conf[5], reverse=True)
应该为:
dects = sorted(dects, key=lambda conf: conf[4], reverse=True)

chapter 3, resnet

由于F(x)+x是逐通道进行相加, 因此根据两者是否通道数相同, 存在两种Bottleneck结构。 对于通道数不同的情况, 比如每个卷积组的第一个Bottleneck, 需要利用1×1卷积对x进行Downsample操作, 将通道数变为相同, 再进行加操作。 对于相同的情况下, 两者可以直接进行相加。

这是书上第3章的描述,为什么是downsample呢?看代码不是应该对输入x进行了上采样嘛~

谢谢

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