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When are you updating the complete source code? #3
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@Amelia0911 hi, thanks for your interest in our work. full source code and pre-train model will be updated before 15.Nov. |
I am glad to received your Email. Can you speak chinese? I want to ask you a few question about your paper.
At 2018-11-07 14:59:41, "gmayday1997" <[email protected]> wrote:
@Amelia0911 hi, thanks for your interest in our work. full source code and pre-train model will be updated before 15.Nov.
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有相关问题,请讲。 |
训练过程中的输入分别是t0,t1和GT,下载的数据集中包含t1和GT,想问一下关于t0的输入方式、t0数据的组成、t0与t1是如何对应输入的?
在 2018-11-07 20:10:10,"gmayday1997" <[email protected]> 写道:
有相关问题,请讲。
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事实上,我们在文章的4.2.3提到过cdnet的数据组织方式 |
谢谢您的回复,我再好好看一下实验部分的内容,如果有什么问题还得请教。希望代码早一点更新,可以看一下效果。再次感谢。
在 2018-11-08 19:31:02,"gmayday1997" <[email protected]> 写道:
事实上,我们在文章的4.2.3提到过cdnet的数据组织方式
我们是从input里面选出一张最最接近背景的图片(无任何前景)作为t0,其余的作为t1.
这样做的好处是groundtruth不用做任何处理,可以直接作为change mask使用。
建议你去看看PCD数据集,那个结构比较清晰。 http://www.vision.is.tohoku.ac.jp/us/research/4d_city_modeling/pano_cd_dataset/
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还没更新啊~~~ |
抱歉,最近有个紧急的事耽搁了,这个事情要19号完成。不好意思。 |
hello,我等的花都谢了~ |
请问groundtruth输入是3通道还是1通道? |
hi, 我们已经把cd2014的数据集分享到百度云,又需要请下载 https://pan.baidu.com/s/19ReVH6pmizcU79sk2Rsz5w。 |
你好,我之前用date2014里的数据进行训练和测试效果都挺好的,但是我现在的输入图像尺寸是413*134,结果验证保存的图像显示fc与embedding都没有输出了。这是为什么呢?我试着修改了网络中conv3中的stride值,将值变为1,也是没有效果。我应该如何调整训练参数呢? |
应该不是分辨率的问题,可能是你数据量少吧。如果是的话,做 data augmentation. |
如果我没理解错的话,只有conv5有输出,最后两个没有输出内容。最开始浅层特征有多层监督信息,深层收敛慢于浅层,所以conv5最容易收敛。但深层特征经过几个epoch也会收敛。 |
看loss问题应该出现在fc层上,loss下降的很慢,权重设置多少要试,我也不是很确定。 |
@Amelia0911 或者调整fc学习率,目前只是为embedding层设置了10倍学习率。 |
修改了学习率和系数之后明显好多了,目前就是loss收敛过程中呈上下跳动,且幅度挺大的,不过绘制了曲线发现走势是好的,现在已经把学习率调小并且把batch_size设为4,loss看起来正常多了。阿里嘎多! |
请问如果想检测其他类物体的变化,是否需要使用该类物体的标注数据重新训练网络?谢谢。 |
@Amelia0911 你好,我同样用twoPositionPTZCam中的700多张图像做训练,源码基本没改动,但是模型好像没有学习的趋势,changemaps都是一片蓝,loss也没有下降的趋势,请问你对代码有做什么改动吗,label是用gtbinary吗 |
When I use the t dataset, I get the following error, how do you do it? thank you ! |
Hello, I also want to try to feed the neural network with hundreds of images from CD2014, but it seems that there is a problem with the format of train.txt, even though I just deleted some of the contents of train.txt, but tried many times. There will be problems, but the original train.txt can be used, I would like to ask how you do it, if you can share your data screenshots and txt documents, thank you. My email: [email protected] |
@gmayday1997 你好,非常感謝你的工作,我在執行該code時運行非常慢,請問你在訓練的時候一個epoch要多久呢,我執行python train.py,一個小時都沒有跑完一個epoch,如下圖: |
@gmayday1997 我將程序 |
@Amelia0911 @raytrun @XinZhangNLPR @stillwaterman 請問你們在訓練的時候是不是也非常的慢,你們有什麼解決方法嗎?另外可以分享一下cdnet2014訓練的model麼。謝謝, |
@Amelia0911 I have been using google translate to read this page as I am having issues training. I was wondering if you could list what changes to the code you made so that I could try them? I plan on using google translate to translate this message, but I wanted to leave the English version in case there are problems with the translation. Google Translate: |
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@124399839 val特别慢的问题 你解决了吗 |
我沒有解決,只是淡定的等待就好,, |
@124399839 获得结果需要多长时间? 多少个时代? How long does it take to get results? How many epochs? |
谢谢你的回复。另外请教下,如果要更改bachsize的话,都需要更改哪些地方呢?我改了cfg中batchsize后,会出现shape不匹配的错误,还没搞清楚要这么修改,多谢啦! |
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gt需要单通道输入,给的数据是三通道的,改成单通道就ok了 |
好的,多谢啦 |
@luhan11 |
有关系的 |
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为啥没我的change map没有输出呢,有人出现这种情况了吗 |
同学,留一下qq联系方式呗 |
@Amelia0911 @stillwaterman You made the model train if I understood your comments correctly. I am currently trying to train it, too, but the model does not converge (cd2014 dataset. tried preset parameters and also reduced learning rate). Could you share some insight in how you trained the network? What did you have to change? What parameters did you use? How long did you have to train the model? Any help is highly appreciated. |
I am very interested in your paper. I want to run your code to see the effect. If you can send me a complete project, it would be great. My email address is: [email protected]
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