activity
20122023
most citedA Survey of Recent Advances in CNN-based Single Image Crowd Counting and Density Estimation

640 citations · 3.8k across the 145 of their papers we have counts for

collaborators

163 papers

cs.CV2023★ 1 cited

Cross-Dataset Adaptation for Instrument Classification in Cataract Surgery Videos

Jay N. Paranjape, Shameema Sikder, Vishal M. Patel +1

Surgical tool presence detection is an important part of the intra-operative and post-operative analysis of a surgery. State-of-the-art models, which perform this task well on a pa…

cs.CV2023★ 5 cited

Disruptive Autoencoders: Leveraging Low-level features for 3D Medical Image Pre-training

Jeya Maria Jose Valanarasu, Yucheng Tang, Dong Yang +8

Harnessing the power of pre-training on large-scale datasets like ImageNet forms a fundamental building block for the progress of representation learning-driven solutions in comput…

cs.CV2023★ 2 cited

GLSFormer: Gated - Long, Short Sequence Transformer for Step Recognition in Surgical Videos

Nisarg A. Shah, Shameema Sikder, S. Swaroop Vedula +1

Automated surgical step recognition is an important task that can significantly improve patient safety and decision-making during surgeries. Existing state-of-the-art methods for s…

cs.CV2023★ 2 cited

Securing Deep Generative Models with Universal Adversarial Signature

Yu Zeng, Mo Zhou, Yuan Xue +1

Recent advances in deep generative models have led to the development of methods capable of synthesizing high-quality, realistic images. These models pose threats to society due to…

cs.CV2023

T1: Scaling Diffusion Probabilistic Fields to High-Resolution on Unified Visual Modalities

Kangfu Mei, Mo Zhou, Vishal M. Patel

Diffusion Probabilistic Field (DPF) models the distribution of continuous functions defined over metric spaces. While DPF shows great potential for unifying data generation of vari…

cs.CV2023

Analyzing Bias in Diffusion-based Face Generation Models

Malsha V. Perera, Vishal M. Patel

Diffusion models are becoming increasingly popular in synthetic data generation and image editing applications. However, these models can amplify existing biases and propagate them…

cs.CV2023★ 2 cited

CLIP goes 3D: Leveraging Prompt Tuning for Language Grounded 3D Recognition

Deepti Hegde, Jeya Maria Jose Valanarasu, Vishal M. Patel

Vision-Language models like CLIP have been widely adopted for various tasks due to their impressive zero-shot capabilities. However, CLIP is not suitable for extracting 3D geometri…

cs.CV2023★ 3 cited

Mask-free OVIS: Open-Vocabulary Instance Segmentation without Manual Mask Annotations

Vibashan VS, Ning Yu, Chen Xing +5

Existing instance segmentation models learn task-specific information using manual mask annotations from base (training) categories. These mask annotations require tremendous human…

cs.CV2023★ 1 cited

Spatio-Temporal Pixel-Level Contrastive Learning-based Source-Free Domain Adaptation for Video Semantic Segmentation

Shao-Yuan Lo, Poojan Oza, Sumanth Chennupati +2

Unsupervised Domain Adaptation (UDA) of semantic segmentation transfers labeled source knowledge to an unlabeled target domain by relying on accessing both the source and target da…

cs.CV2023

ReBotNet: Fast Real-time Video Enhancement

Jeya Maria Jose Valanarasu, Rahul Garg, Andeep Toor +5

Most video restoration networks are slow, have high computational load, and can't be used for real-time video enhancement. In this work, we design an efficient and fast framework t…

cs.CV2023★ 6 cited

Deep Metric Learning for Unsupervised Remote Sensing Change Detection

Wele Gedara Chaminda Bandara, Vishal M. Patel

Remote Sensing Change Detection (RS-CD) aims to detect relevant changes from Multi-Temporal Remote Sensing Images (MT-RSIs), which aids in various RS applications such as land cove…

cs.CV2023★ 13 cited

: Multi-hypothesis Crowd Density Estimation using Diffusion Models

Yasiru Ranasinghe, Nithin Gopalakrishnan Nair, Wele Gedara Chaminda Bandara +1

Crowd counting is a fundamental problem in crowd analysis which is typically accomplished by estimating a crowd density map and summing over the density values. However, this appro…

cs.CV2023★ 9 cited

Deep Learning for Cross-Domain Few-Shot Visual Recognition: A Survey

Huali Xu, Shuaifeng Zhi, Shuzhou Sun +2

While deep learning excels in computer vision tasks with abundant labeled data, its performance diminishes significantly in scenarios with limited labeled samples. To address this,…

cs.CV2022★ 2 cited

Bi-Noising Diffusion: Towards Conditional Diffusion Models with Generative Restoration Priors

Kangfu Mei, Nithin Gopalakrishnan Nair, Vishal M. Patel

Conditional diffusion probabilistic models can model the distribution of natural images and can generate diverse and realistic samples based on given conditions. However, oftentime…

cs.CV2022

Unite and Conquer: Plug & Play Multi-Modal Synthesis using Diffusion Models

Nithin Gopalakrishnan Nair, Wele Gedara Chaminda Bandara, Vishal M. Patel

Generating photos satisfying multiple constraints find broad utility in the content creation industry. A key hurdle to accomplishing this task is the need for paired data consistin…

cs.CV2022

VIDM: Video Implicit Diffusion Models

Kangfu Mei, Vishal M. Patel

Diffusion models have emerged as a powerful generative method for synthesizing high-quality and diverse set of images. In this paper, we propose a video generation method based on…

cs.CV2022

SceneComposer: Any-Level Semantic Image Synthesis

Yu Zeng, Zhe Lin, Jianming Zhang +4

We propose a new framework for conditional image synthesis from semantic layouts of any precision levels, ranging from pure text to a 2D semantic canvas with precise shapes. More s…

cs.CV2022★ 2 cited

AdaMAE: Adaptive Masking for Efficient Spatiotemporal Learning with Masked Autoencoders

Wele Gedara Chaminda Bandara, Naman Patel, Ali Gholami +3

Masked Autoencoders (MAEs) learn generalizable representations for image, text, audio, video, etc., by reconstructing masked input data from tokens of the visible data. Current MAE…

cs.CV2022

Open-Set Automatic Target Recognition

Bardia Safaei, Vibashan VS, Celso M. de Melo +2

Automatic Target Recognition (ATR) is a category of computer vision algorithms which attempts to recognize targets on data obtained from different sensors. ATR algorithms are exten…

cs.CV2022★ 2 cited

NBD-GAP: Non-Blind Image Deblurring Without Clean Target Images

Nithin Gopalakrishnan Nair, Rajeev Yasarla, Vishal M. Patel

In recent years, deep neural network-based restoration methods have achieved state-of-the-art results in various image deblurring tasks. However, one major drawback of deep learnin…

cs.CV2022★ 9 cited

AT-DDPM: Restoring Faces degraded by Atmospheric Turbulence using Denoising Diffusion Probabilistic Models

Nithin Gopalakrishnan Nair, Kangfu Mei, Vishal M. Patel

Although many long-range imaging systems are designed to support extended vision applications, a natural obstacle to their operation is degradation due to atmospheric turbulence. A…

cs.CV2022★ 3 cited

T2V-DDPM: Thermal to Visible Face Translation using Denoising Diffusion Probabilistic Models

Nithin Gopalakrishnan Nair, Vishal M. Patel

Modern-day surveillance systems perform person recognition using deep learning-based face verification networks. Most state-of-the-art facial verification systems are trained using…

cs.CV2022★ 1 cited

Learning Feature Decomposition for Domain Adaptive Monocular Depth Estimation

Shao-Yuan Lo, Wei Wang, Jim Thomas +3

Monocular depth estimation (MDE) has attracted intense study due to its low cost and critical functions for robotic tasks such as localization, mapping and obstacle detection. Supe…

cs.CV2022★ 1 cited

Deep Semantic Statistics Matching (D2SM) Denoising Network

Kangfu Mei, Vishal M. Patel, Rui Huang

The ultimate aim of image restoration like denoising is to find an exact correlation between the noisy and clear image domains. But the optimization of end-to-end denoising learnin…