Search Results for author: Vatsal Agarwal

Found 3 papers, 0 papers with code

A Frequency Perspective of Adversarial Robustness

no code implementations26 Oct 2021 Shishira R Maiya, Max Ehrlich, Vatsal Agarwal, Ser-Nam Lim, Tom Goldstein, Abhinav Shrivastava

Our analysis shows that adversarial examples are neither in high-frequency nor in low-frequency components, but are simply dataset dependent.

Adversarial Robustness

Weakly Supervised Lesion Co-segmentation on CT Scans

no code implementations24 Jan 2020 Vatsal Agarwal, You-Bao Tang, Jing Xiao, Ronald M. Summers

In this work, we propose a weakly-supervised co-segmentation model that first generates pseudo-masks from the RECIST slices and uses these as training labels for an attention-based convolutional neural network capable of segmenting common lesions from a pair of CT scans.

Lesion Segmentation

Weakly-Supervised Lesion Segmentation on CT Scans using Co-Segmentation

no code implementations23 Jan 2020 Vatsal Agarwal, You-Bao Tang, Jing Xiao, Ronald M. Summers

Lesion segmentation on computed tomography (CT) scans is an important step for precisely monitoring changes in lesion/tumor growth.

Computed Tomography (CT) Lesion Segmentation

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