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HistoSeg : Quick attention with multi-loss function for multi-structure segmentation in digital histology images

2022-09-01 · Saad Wazir, Muhammad Moazam Fraz

Medical image segmentation assists in computer-aided diagnosis, surgeries, and treatment. Digitize tissue slide images are used to analyze and segment glands, nuclei, and other biomarkers which are further used in computer-aided medical applications. To this end, many researchers developed different neural networks to perform segmentation on histological images, mostly these networks are based on encoder-decoder architecture and also utilize complex attention modules or transformers. However, these networks are less accurate to capture relevant local and global features with accurate boundary detection at multiple scales, therefore, we proposed an Encoder-Decoder Network, Quick Attention Module and a Multi Loss Function (combination of Binary Cross Entropy (BCE) Loss, Focal Loss & Dice Loss). We evaluate the generalization capability of our proposed network on two publicly available datasets for medical image segmentation MoNuSeg and GlaS and outperform the state-of-the-art networks with 1.99% improvement on the MoNuSeg dataset and 7.15% improvement on the GlaS dataset. Implementation Code is available at this link: https://bit.ly/HistoSeg

📄 PDF Abstract BibTeX arXiv:2209.00729

Code (1)

saadwazir/HistoSeg 공식 구현 tf

Tasks

Boundary DetectionDecoderImage SegmentationMedical Image SegmentationSegmentationSemantic Segmentation

Methods 이 논문이 사용한 방법론

Multi Loss ( BCE Loss + Focal Loss ) + Dice Loss Our proposed loss function is a combination of BCE Loss, Focal Loss, and Dice loss. Each one of them contributes individually to improve performance further details of loss…
Spatial Pyramid Pooling Spatial Pyramid Pooling (SPP) is a pooling layer that removes the fixed-size constraint of the network, i.e. a CNN does not require a fixed-size input image. Specifically, we…
Dilated Convolution 설명 없음
ASPP Atrous Spatial Pyramid Pooling (ASPP) is a semantic segmentation module for resampling a given feature layer at multiple rates prior to…
Dice Loss \begin{equation} DiceLoss\left( y, \overline{p} \right) = 1 - \dfrac{\left( 2y\overline{p} + 1 \right)} {\left( y+\overline{p } + 1 \right)} \end{equation}
Focal Loss A Focal Loss function addresses class imbalance during training in tasks like object detection. Focal loss applies a modulating term to the cross entropy loss in order to…
Quick Attention \begin{equation} QA\left( x \right) = \sigma\left( f\left( x \right)^{1x1} \right) + x \end{equation} Quick Attention takes in the feature map as an input WxHxC (Width x…

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