Table 3.
Comparative summary of GANs for the problem of imbalances in computer vision
| Category | Imbalance type | Study | Application |
|---|---|---|---|
| Binary classification | Inter class imbalance | DCGAN [153] | Malaria disease classification |
| Inter class imbalance | SDGAN [154] | Industrial defect classification | |
| Inter class imbalance | BAGAN [155] | Image classification | |
| Inter class imbalance | CiGAN [156] | Mammogram classification | |
| Inter class imbalance | CycleGAN [157] | Mammogram classification | |
| Inter class imbalance | DCGAN [233] | Mammogram classification | |
| Inter class imbalance | CovidGAN [159] | Covid19 classification | |
| Intra class imbalance | Clustering + GAN [163] | Imbalanced intra class classification | |
| Intra class imbalance | Semantically decomposed GAN [234] | Imbalanced intra class classification | |
| Intra class imbalance | VAE + GAN [115] | Facial Attribute editing | |
| Intra class imbalance | AttGAN [64] | Facial Attribute editing | |
| Intra class imbalance | IcGAN [65] | Facial Attribute editing | |
| Intra class imbalance | ResAttr-GAN [66] | Facial Attribute editing | |
| Intra class imbalance | ARU-net [170] | Facial Attribute editing | |
| Intra class imbalance | SaGAN [171] | Facial Attribute editing | |
| Intra class imbalance | PN-GAN [176] | Person reidentification | |
| Intra class imbalance | PTGAN [177] | Person reidentification | |
| Intra class imbalance | CycleGAN [178] | Person reidentification | |
| Intra class imbalance | SPGAN [179] | Person reidentification | |
| Intra class imbalance | FDGAN [180] | Person reidentification | |
| Intra class imbalance | Cross view GAN [182] | Vehicle reidentification | |
| Intra class imbalance | DCGAN [183] | Vehicle reidentification | |
| Intra class imbalance | F-CGAN [184] | Fine grained classification | |
| Intra class imbalance | DCGAN + Fine grained Classifier [188] | Fine grained classification | |
| Intra class imbalance | General-to-Detailed GAN [190] | Fine grained classification | |
| Multi class classification | Few minority-many majority class imbalance | Cycle GAN [197] | Emotion classification |
| Few minority-many majority class imbalance | DCGAN [198] | Weather classification | |
| Few minority-many majority class imbalance | DCGAN + Ensemble learning [199] | Weather classification | |
| Few minority-many majority class imbalance | DCGAN [193] | Chest pathology classification | |
| Few minority-many majority class imbalance | DCGAN [200] | liver lesion classification | |
| Many majority- Few minority class imbalance | DCGAN [201] | Skin lesion classification | |
| Many majority- Many minority class imbalance | Cycle-GAN [192] | Plant disease classification | |
| Many majority- Many minority class imbalance | WGAN-GP [203] | Multi class classification | |
| Many majority- Many minority class imbalance | CE-GAN [205] | Multi class classification | |
| Object detection | Object Scale imbalance | Perceptual GAN [208] | Traffic sign detection |
| Object Scale imbalance | SOD-MTGAN [213] | Small object detection system | |
| Object Scale imbalance | Detector GAN [209] | Pedestrian and disease detection | |
| Imbalance due to occlusions and deformations | Adversarial-Fast-RCNN [216] | Occluded object detection | |
| Imbalance due to occlusions and deformations | Adversarial Occlusion-aware Face Detector [217] | Occluded face detection | |
| Imbalance due to occlusions and deformations | Cut-Paste GAN [218] | Occluded object detection | |
| Foreground Background object class imbalance | Task-aware synthetic data generation [219] | Object detection | |
| Foreground Background object class imbalance | Gene-GAN [221] | Object detection | |
| Foreground Background object class imbalance | PSIS [220] | Object detection | |
| Segmentation | Pixel wise Imbalance | Sensitivity conditional GAN [118] | Shadow detection |
| Pixel wise Imbalance | Pix2pix HD GAN [143] | Imbalanced pedestrian image segmentation | |
| Pixel wise Imbalance | Voxel GAN [226] | Brain tumor segmentation | |
| Pixel wise Imbalance | GAN + ensemble learning [228] | Medical image semantic segmentation | |
| Pixel wise Imbalance | GAN + Weighted categorical loss [227] | Heart image segmentation | |
| Imbalance due to occlusions | SeGAN[231] | Invisible part generation and Segmentation | |
| Imbalance due to occlusions | Occlusion-Aware GAN [232] | Occlusion free image generation |