Search Results for author: Harini Veeraraghavan

Found 17 papers, 2 papers with code

Trustworthiness of Pretrained Transformers for Lung Cancer Segmentation

no code implementations19 Mar 2024 Aneesh Rangnekar, Nishant Nadkarni, Jue Jiang, Harini Veeraraghavan

We assessed the trustworthiness of two self-supervision pretrained transformer models, Swin UNETR and SMIT, for fine-tuned lung (LC) tumor segmentation using 670 CT and MRI scans.

Segmentation Tumor Segmentation +2

Self-distilled Masked Attention guided masked image modeling with noise Regularized Teacher (SMART) for medical image analysis

no code implementations2 Oct 2023 Jue Jiang, Harini Veeraraghavan

However, more accurate and efficient attention guided MIM approaches are difficult to implement with Swin due to it's lack of an explicit global attention.

Computed Tomography (CT)

Progressively refined deep joint registration segmentation (ProRSeg) of gastrointestinal organs at risk: Application to MRI and cone-beam CT

no code implementations25 Oct 2022 Jue Jiang, Jun Hong, Kathryn Tringale, Marsha Reyngold, Christopher Crane, Neelam Tyagi, Harini Veeraraghavan

ProRSeg based dose accumulation accounting for intra-fraction (pre-treatment to post-treatment MRI scan) and inter-fraction motion showed that the organ dose constraints were violated in 4 patients for stomach-duodenum and for 3 patients for small bowel.

Wasserstein Image Local Analysis: Histogram of Orientations, Smoothing and Edge Detection

no code implementations11 May 2022 Jiening Zhu, Harini Veeraraghavan, Larry Norton, Joseph O. Deasy, Allen Tannenbaum

We approach the directionality problem from a novel perspective by the use of the optimal transport map of a local image patch to a uni-color patch of its mean.

Edge Detection

One shot PACS: Patient specific Anatomic Context and Shape prior aware recurrent registration-segmentation of longitudinal thoracic cone beam CTs

no code implementations26 Jan 2022 Jue Jiang, Harini Veeraraghavan

The registration network was trained in an unsupervised manner using pairs of planning CT (pCT) and CBCT images and produced a progressively deformed sequence of images.

Segmentation

Unpaired cross-modality educed distillation (CMEDL) for medical image segmentation

no code implementations16 Jul 2021 Jue Jiang, Andreas Rimner, Joseph O. Deasy, Harini Veeraraghavan

Network design, methods to combine MRI with CT information, distillation learning under informative (MRI to CT), weak (CT to MRI) and equal teacher (MRI to MRI), and ablation tests were performed.

Image Segmentation Medical Image Segmentation +4

Nested-block self-attention for robust radiotherapy planning segmentation

no code implementations26 Feb 2021 Harini Veeraraghavan, Jue Jiang, Sharif Elguindi, Sean L. Berry, Ifeanyirochukwu Onochie, Aditya Apte, Laura Cervino, Joseph O. Deasy

NBSA's segmentations were less variable than multiple 3D methods, including for small organs with low soft-tissue contrast such as the submandibular glands (surface Dice of 0. 90).

Anatomy Computational Efficiency

Unified cross-modality feature disentangler for unsupervised multi-domain MRI abdomen organs segmentation

no code implementations19 Jul 2020 Jue Jiang, Harini Veeraraghavan

Our contribution is a unified cross-modality feature disentagling approach for multi-domain image translation and multiple organ segmentation.

Image Reconstruction Organ Segmentation +2

PSIGAN: Joint probabilistic segmentation and image distribution matching for unpaired cross-modality adaptation based MRI segmentation

1 code implementation18 Jul 2020 Jue Jiang, Yu Chi Hu, Neelam Tyagi, Andreas Rimner, Nancy Lee, Joseph O. Deasy, Sean Berry, Harini Veeraraghavan

Our method achieved an overall average DSC of 0. 87 on T1w and 0. 90 on T2w for the abdominal organs, 0. 82 on T2wFS for the parotid glands, and 0. 77 on T2w MRI for lung tumors.

Generative Adversarial Network MRI segmentation +4

Local block-wise self attention for normal organ segmentation

no code implementations11 Sep 2019 Jue Jiang, Elguindi Sharif, Hyemin Um, Sean Berry, Harini Veeraraghavan

We developed our approach using U-net and compared it against multiple state-of-the-art self attention methods.

Anatomy Computed Tomography (CT) +2

Integrating cross-modality hallucinated MRI with CT to aid mediastinal lung tumor segmentation

no code implementations10 Sep 2019 Jue Jiang, Jason Hu, Neelam Tyagi, Andreas Rimner, Sean L. Berry, Joseph O. Deasy, Harini Veeraraghavan

Our approach, called cross-modality educed deep learning segmentation (CMEDL) combines CT and pseudo MR produced from CT by aligning their features to obtain segmentation on CT.

Segmentation Tumor Segmentation

Comparison of Patch-Based Conditional Generative Adversarial Neural Net Models with Emphasis on Model Robustness for Use in Head and Neck Cases for MR-Only planning

no code implementations1 Feb 2019 Peter Klages, Ilyes Benslimane, Sadegh Riyahi, Jue Jiang, Margie Hunt, Joe Deasy, Harini Veeraraghavan, Neelam Tyagi

A total of twenty paired CT and MR images were used in this study to investigate two conditional generative adversarial networks, Pix2Pix, and Cycle GAN, for generating synthetic CT images for Headand Neck cancer cases.

Anatomy

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