Unet may be one of the most basic researches on segmentation tasks. It consists of 3 parts: Encoding Phase (Apply Convolutions to classify object) -> Bridge -> Decoding Phase(Restore information so that the output would be 388×388). During the final…
HRNet was a research done by Microsoft which lead to higher performance compared with state-of-the-art architectures. Traditional segmentation models utilize skip connections in order to recover spatial information from previous layers. The problem with this method is that it can’t…
In order to classify images more precisely, the traditional way is to apply convolution and pooling to lower the dimension of the input so that the model can understand more complex features. This is ok for classification tasks because you…
Attention Unet highlights only relevant activations during training. This can not only perform better when the target you want to detect is relatively tiny compared to the size of the picture, but it can also reduce unnecessary computations. The overall…
If I were to restart a semantic segmentation model project again, I would choose the loss function by considering the following. Is there any imbalance in your data? ⇒（NO）⇒ Binary Cross Entropy ⇓ (YES) ⇓ Is the area you want…
The traditional way to detect cracks inside concretes is to use A) Radar data of the section of the concrete and B) Label Image of the section to train a pix2pix model. But, this methodology struggles to detect depending on…
Here is one way to visualize your model’s training process using tensorboard with Pytorch #Inside Code for Training from torch.utils.tensorboard import SummaryWriter() tb = SummaryWriter() #Add Metrics you want to evaluate tb.add_scalar(‘Loss’,loss,epoch) tb.add_scalar(‘Accuracy’,accuracy,epoch) tb.add_scalar(‘F1Score’,fa_score,epoch) To start a tensorboard server go…
I did an experiment to compare how model performance change when converted to TensorRT engine. These are the steps I took. 1. Train Several Binary Segmentation Model 2. Randomly Choose 30 images from the dataset 3. Run inference with the…
Argmax compares pixels in the same position across channels, and acquires the index of the highest channel. This can be useful for semantic segmentation. Semantic segmentation models outputs the same width and height as the input image and creates a…
There are several ways to convert arrays to torch tensors. import torch import numpy as np data = np.array([1,2,3,4,5,6]) option1 = torch.Tensor(arr) option2 = torch.tensor(arr) option3 = torch.as_tensor(arr) option4 = torch.from_numpy(arr) Option Description 1 Make a Copy and convert array…