Search Results for author: Keqiang Fan

Found 3 papers, 0 papers with code

Discrepancy-based Diffusion Models for Lesion Detection in Brain MRI

no code implementations8 May 2024 Keqiang Fan, Xiaohao Cai, Mahesan Niranjan

Diffusion probabilistic models (DPMs) have exhibited significant effectiveness in computer vision tasks, particularly in image generation.

Anomaly Detection Image Generation +1

Non-negative Subspace Feature Representation for Few-shot Learning in Medical Imaging

no code implementations3 Apr 2024 Keqiang Fan, Xiaohao Cai, Mahesan Niranjan

Extensive empirical studies are conducted in terms of validating the effectiveness of NMF, especially its supervised variants (e. g., discriminative NMF, and supervised and constrained NMF with sparseness), and the comparison with principal component analysis (PCA), i. e., the collaborative representation-based dimensionality reduction technique derived from eigenvectors.

Attribute Dimensionality Reduction +4

IIHT: Medical Report Generation with Image-to-Indicator Hierarchical Transformer

no code implementations10 Aug 2023 Keqiang Fan, Xiaohao Cai, Mahesan Niranjan

The classifier module first extracts image features from the input medical images and produces disease-related indicators with their corresponding states.

Image Captioning Machine Translation +1

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