Table 2 Comparison of advanced models for lung segmentation.

From: Three-dimensional reconstruction of lung tumors from computed tomography scans using adversarial and transductive learning

Authors

Methodology

Contribution

Dataset

Result

Limitation

Gite et al.28

U-Net++ for lung segmentation

Enhances TB detection with advanced segmentation

138 X-ray images

IoU: 0.95

Specific to X-ray images, not other modalities

Arvind et al.29

Modified U-Net with dropouts

Reduces overfitting, enhances model generalization

900 X-ray images

Accuracy: 93.87%

Optimized for lung segmentation, less versatile for other organs

Chen et al.30

LDANet combines RSA and GCA

Enhances lung CT segmentation via dual attention

LIDC-IDRI

Dice similarity coefficient (DSC): 98.430%

Sensitive to variations in imaging protocols

Ghali et al.31

Dual loss functions with five models

Optimizes CXR segmentation for various lung conditions

662 X-ray images

F1 score: 97.47%

May not generalize across all imaging equipment types

Murugappan et al.32

DeepLabV3 + with various networks

Enhances segmentation of lung and infected areas

750 CT images

IoU: 0.9971

Performance varies with different network layers

Ambesange et al.33

FL with U-net and transfer learning

Enhances lung X-ray segmentation while preserving data privacy

662 X-ray images

Accuracy: 98.92%

Limited by data variability across nodes

Hasan et al.34

Deeplabv3plus with Atrous Convolution

Optimizes feature resolution for segmentation

558 X-ray images

Accuracy: 97.42%

May struggle with highly variable image quality

Swaminathan et al.35

Wiener filter, GAN with SSSOA, VGG16 classification

Streamlines detection process with an integrated model

LIDC-IDRI

Accuracy: 97%

Relies on high-quality pre-processed images

Suji et al.36

U-Net with EfficientNet-b3, transfer learning

Optimizes nodule segmentation with transfer learning

LIDC-IDRI

IoU: 0.45

Performance variability across datasets

Thangavel and Palanichamy37

T-Net, CenterNet, NASNet with preprocessing

Automates nodule classification efficiently

LIDC-IDRI

DSC: 99.07%

May require fine-tuning for new datasets

Cai et al.38

GANs for image translation segmentation

Enhances lung CT segmentation with GANs

267 CT images

Accuracy: 89.63%

May not handle all types of lung anomalies

Ramos and Pineda38

Tri-phase semi-automated segmentation with preprocessing

Provides consistent, swift segmentation results

267 CT images

IoU: 0.9341

May require manual adjustments for optimal results

Zheng et al.40

Threshold-gradient with TFDM and convex hull repair

Enhances segmentation performance and robustness

2112 CT images

IOU: 0.9911

Requires precise calibration of threshold settings

Guo et al.41

whale optimization algorithm-based random mutation strategy for image segmentation

Speeds up convergence, improves segmentation

25,000 CT images

Feature similarity index measure (FSIM): 81.57%

May not adapt well to other cancer types

Pandey and Bhandari42

Morphological filtering and SVM classification

Enhances tumor visibility for early intervention

LIDC-IDRI

Accuracy: 87.79%

May miss micro-tumors or highly diffuse anomalies

Vijayakumar et al.43

CapsNet with RGF and SMFMF, U-net segmentation

Enhances lung cancer detection efficiency

1097 CT images

Accuracy: 98%

May underperform with non-standardized data

Qiao et al.44

WSTSA with genetic algorithm

Streamlines optimal CNN architecture selection

2773 CT images

DSC: 72.40%

Dependent on initial algorithm parameters

Li et al.45

Attention and Sobel edge detection

Enhances lesion feature extraction and performance

LIDC-IDRI

Accuracy: 93.48%

May require high computational resources

Murugaraj et al.46

HM-LeNet with NLM filter and K-Net

Classifies lung abnormalities efficiently

23 CT scans images

Accuracy: 92.7%

Potential overfitting to specific abnormalities

Fu et al.47

LDN-SNP with SNP-type neurons

Efficient, compact segmentation of COVID-19 CT

100 CT scans images

Accuracy: 97.0% and DSC: 74.0%

Limited adaptability to other imaging tasks

Erciyes et al.48

ANN with optimized U-Net and augmentation

Reduced overfitting with enhanced segmentation

American association of physicists in medicine (AAPM) thoracic auto-segmentation

DSC: 94.68% and IoU: 0.8990

Limited adaptability to unseen pathologies

Yang et al.49

3D model with focal and dice loss

Improved deep and shallow feature representation

199 CT scans images

Accuracy: 99.90% and DSC: 56.10%

Overfitting risk from a small COVID dataset

Nguyen et al.50

Two-stage no-new-U-Net with attention and boundary loss

Improved GGO segmentation with fuzzy boundary handling

Post-COVID CT challenge

DSC: 71.93%

Difficulty generalizing to non-GGO lung lesions

Vincy et al.51

3D ResNet50 encoder with dense-feature U-Net decoder

Enhanced multiscale tumor features from lung CT slices

LUNA16

IoU: 0.738

Contrast issues in small or diffuse tumors

Jannat et al.52

Lightweight residual U-Net with CBAM and ASPP

Improved lung mask extraction

Japanese society of radiological technology (JSRT)

DSC: 98.72%

Limited generalization on low-quality images