Comments (1)
Hi, thanks for your attention.
For your questions:
Q1: When there is an intermediate background such as a seat and other people’s avatars at both ends of the head and shoulders, the matting effect is poor, I can understand Is the semantic segmentation of portraits in the network inaccurate?
Yes. There are two main problems to cause inaccurate mattes. First, these cases are not included in our training set, so the portrait semantic segmentation is wrong. Second, our pre-trained model for image matting is not adapted to the domain of daily photos. The pre-trained models used in our WebCam demo may obtain better performance in your cases (your images appear to contain noise). To achieve this, in our Colab image matting demo, please change:
!gdown --id 1mcr7ALciuAsHCpLnrtG_eop5-EYhbCmz \
to
!gdown --id 1Nf1ZxeJZJL8Qx9KadcYYyEmmlKhTADxX \
Q2: If this is the problem, can you add some such images to it?
I am sorry that we do not have the labeled data of such images. One possible solution is to perform SOC adaptation by using the unlabeled data. However, SOC can not address the problems caused by inaccurate semantic segmentation.
Q3: You mentioned that the modnet can use trimap input, how do you do it? If the trimap is not very accurate, can the network adapt to the trimap to some extent?
If you want to use the trimap, you need to concatenate it with the RGB image as the input, which means the model should be re-trained. If you have trimap, I suggest you try the existing trimap-based methods, e.g., DIM.
Q4: There is also a portrait semantic segmentation model in the model you provided. How was it trained?
This model is the pre-trained MobileNetV2 from this repo. We initial our backbone by its weights for training.
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Related Issues (20)
- MODNet离线demo——WebCam调用摄像头延迟 HOT 1
- Will you please release the DEMO trained model? HOT 1
- Anyone who would kindly share their training code? HOT 5
- Training Code HOT 8
- 如何设置只对人像进行识别抠图 HOT 2
- Initial performance very poor after training on P3M dataset.
- 你好,我是清华的一名学生,论文提到分割部分的backbone是mobileV2吗,这部分是否可以换成其他网络,有一些细节比较困惑,真心请教,感激不尽 HOT 1
- Whether it is possible to replace the backbone of the semantic segmentation part and change it to swintrainsformer
- inaccurate
- Fine-tuning MODNet on a custom dataset using SOC HOT 1
- How to get the label(groundtruth) of other image?
- 请问mobilenetv2_human_seg.ckpt和其他几个模型的区别在哪儿?
- I think the boundary mask is calculated wrong HOT 1
- modnet 下面模型怎么安装使用? HOT 1
- Performance different on colab demo and website demo
- 关于e-ASPP HOT 4
- edit the LRBranch and HRBranch after changed backbone HOT 3
- Single image portrait cutout. Running on GPU is not as fast as CPU
- 7M的模型在哪里? HOT 1
- 求教
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