no code implementations • 31 Jul 2023 • Jeya Maria Jose Valanarasu, Yucheng Tang, Dong Yang, Ziyue Xu, Can Zhao, Wenqi Li, Vishal M. Patel, Bennett Landman, Daguang Xu, Yufan He, Vishwesh Nath
We curate a large-scale dataset to enable pre-training of 3D medical radiology images (MRI and CT).
1 code implementation • CVPR 2023 • Aimon Rahman, Jeya Maria Jose Valanarasu, Ilker Hacihaliloglu, Vishal M Patel
Collective insights from a group of experts have always proven to outperform an individual's best diagnostic for clinical tasks.
no code implementations • 23 Mar 2023 • Jeya Maria Jose Valanarasu, Rahul Garg, Andeep Toor, Xin Tong, Weijuan Xi, Andreas Lugmayr, Vishal M. Patel, Anne Menini
The first branch learns spatio-temporal features by tokenizing the input frames along the spatial and temporal dimensions using a ConvNext-based encoder and processing these abstract tokens using a bottleneck mixer.
1 code implementation • 20 Mar 2023 • Deepti Hegde, Jeya Maria Jose Valanarasu, Vishal M. Patel
Attempting to train the visual and text encoder to account for this shift results in catastrophic forgetting and a notable decrease in performance.
no code implementations • 16 Jun 2022 • Aimon Rahman, Wele Gedara Chaminda Bandara, Jeya Maria Jose Valanarasu, Ilker Hacihaliloglu, Vishal M Patel
Due to imaging artifacts and low signal-to-noise ratio in ultrasound images, automatic bone surface segmentation networks often produce fragmented predictions that can hinder the success of ultrasound-guided computer-assisted surgical procedures.
no code implementations • 16 Jun 2022 • Aimon Rahman, Jeya Maria Jose Valanarasu, Ilker Hacihaliloglu, Vishal M Patel
Segmenting both bone surface and the corresponding acoustic shadow are fundamental tasks in ultrasound (US) guided orthopedic procedures.
1 code implementation • 31 May 2022 • Malsha V. Perera, Wele Gedara Chaminda Bandara, Jeya Maria Jose Valanarasu, Vishal M. Patel
We show that the proposed network improves despeckling performance compared to recent despeckling methods on synthetic and real SAR images.
1 code implementation • 29 Mar 2022 • Vibashan VS, Jeya Maria Jose Valanarasu, Vishal M. Patel
In task-specific adaptation, we exploit the enhanced pseudo-labels using a student-teacher framework to effectively learn segmentation on the target domain.
no code implementations • 15 Mar 2022 • Jeya Maria Jose Valanarasu, He Zhang, Jianming Zhang, Yilin Wang, Zhe Lin, Jose Echevarria, Yinglan Ma, Zijun Wei, Kalyan Sunkavalli, Vishal M. Patel
To enable flexible interaction between user and harmonization, we introduce interactive harmonization, a new setting where the harmonization is performed with respect to a selected \emph{region} in the reference image instead of the entire background.
1 code implementation • 10 Mar 2022 • Jeya Maria Jose Valanarasu, Pengfei Guo, Vibashan VS, Vishal M. Patel
During test-time, the model takes in just the new test image and generates a domain code to adapt the features of source model according to the test data.
2 code implementations • 9 Mar 2022 • Jeya Maria Jose Valanarasu, Vishal M. Patel
Using tokenized MLPs in latent space reduces the number of parameters and computational complexity while being able to result in a better representation to help segmentation.
Ranked #2 on
Medical Image Segmentation
on ISIC 2018
1 code implementation • 23 Jan 2022 • Malsha V. Perera, Wele Gedara Chaminda Bandara, Jeya Maria Jose Valanarasu, Vishal M. Patel
Synthetic Aperture Radar (SAR) images are usually degraded by a multiplicative noise known as speckle which makes processing and interpretation of SAR images difficult.
1 code implementation • CVPR 2022 • Jeya Maria Jose Valanarasu, Rajeev Yasarla, Vishal M. Patel
We also introduce a transformer decoder with learnable weather type embeddings to adjust to the weather degradation at hand.
Ranked #1 on
Single Image Deraining
on Raindrop
no code implementations • 20 Sep 2021 • Jeya Maria Jose Valanarasu, Vishal M. Patel
First, we propose a Fine Context-aware Shadow Detection Network (FCSD-Net), where we constraint the receptive field size and focus on low-level features to learn fine context features better.
1 code implementation • 16 Sep 2021 • Wele Gedara Chaminda Bandara, Jeya Maria Jose Valanarasu, Vishal M. Patel
Using just convolution neural networks (ConvNets) for this problem is not effective as it is inefficient at capturing distant dependencies between road segments in the image which is essential to extract road connectivity.
Ranked #1 on
Road Segmentation
on DeepGlobe
1 code implementation • 19 Jul 2021 • Vibashan VS, Jeya Maria Jose Valanarasu, Poojan Oza, Vishal M. Patel
Furthermore, we show the effectiveness of the proposed ST fusion strategy with an ablation analysis.
1 code implementation • 6 Jul 2021 • Wele Gedara Chaminda Bandara, Jeya Maria Jose Valanarasu, Vishal M. Patel
To estimate the PAN image of the up-sampled HSI, we also propose a learnable spectral response function (SRF).
Ranked #1 on
Image Super-Resolution
on Chikusei Dataset
no code implementations • 16 Jun 2021 • Pengfei Guo, Jeya Maria Jose Valanarasu, Puyang Wang, Jinyuan Zhou, Shanshan Jiang, Vishal M. Patel
Reconstructing magnetic resonance (MR) images from undersampled data is a challenging problem due to various artifacts introduced by the under-sampling operation.
2 code implementations • 21 Feb 2021 • Jeya Maria Jose Valanarasu, Poojan Oza, Ilker Hacihaliloglu, Vishal M. Patel
The proposed Medical Transformer (MedT) is evaluated on three different medical image segmentation datasets and it is shown that it achieves better performance than the convolutional and other related transformer-based architectures.
Ranked #1 on
Medical Image Segmentation
on Brain US
1 code implementation • 8 Dec 2020 • Shao-Yuan Lo, Jeya Maria Jose Valanarasu, Vishal M. Patel
Adversarial robustness of deep neural networks is an extensively studied problem in the literature and various methods have been proposed to defend against adversarial images.
1 code implementation • 16 Nov 2020 • Jeya Maria Jose Valanarasu, Vishal M. Patel
This method uses undercomplete representations of the input data which makes it not so robust and more dependent on pre-training.
1 code implementation • 20 Oct 2020 • Rajeev Yasarla, Jeya Maria Jose Valanarasu, Vishal M. Patel
Removal of rain streaks from a single image is an extremely challenging problem since the rainy images often contain rain streaks of different size, shape, direction and density.
1 code implementation • 4 Oct 2020 • Jeya Maria Jose Valanarasu, Vishwanath A. Sindagi, Ilker Hacihaliloglu, Vishal M. Patel
To overcome this issue, we propose using an overcomplete convolutional architecture where we project our input image into a higher dimension such that we constrain the receptive field from increasing in the deep layers of the network.
Ranked #1 on
Medical Image Segmentation
on RITE