feat_blob.channel

根据提供的引用内容，feat_blob.channel是指特征图的通道数。在引用\[1\]中，feat_blob是一个输入特征图，而在引用\[3\]中，给出了在ConcatLayer中设置通道数的相关代码。因此，feat_blob.channel是指特征图的通道数。
#### 引用[.reference_title]
- *1* *3* [caffe源码解读(4)－concate_layer.cpp以及slice_layer.cpp](https://blog.csdn.net/weixin_37970694/article/details/79187604)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* [关键点检测项目代码开源了！](https://blog.csdn.net/Datawhale/article/details/122465434)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
[ .reference_list ]