Table 4.

Heterogeneous CXR target tasks: summary of computational time and training parameters for the proposed approach and the baseline approach.

Method	Task	Computational Time	Training Parameters
Proposed	Shared Source (${\text{UMS-Rep}}_{CXR-Denoising}$)	302.20 min	800,067
	Lung Segmentation Head	8.11 min	786,497
	Abnormality Classification Head	2.51 min	295,715
	Shared Source & 2 lightweight Heads	312.82 min	1,882,279
Baseline	Separate Denoising Model	302.20 min	800,067
	Separate Lung Segmentation Model	148.02 min	786,497
	Separate Abnormality Classification Model	9.25 min	1,573,506
	3 Separate end-to-end Models for 3 Tasks	459.47 min	3,160,070