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20172025
most citedA Survey of Recent Advances in CNN-based Single Image Crowd Counting and Density Estimation

640 citations · 1.3k across the 22 of their papers we have counts for

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26 papers · 1 filter

cs.CV2025

Stable Diffusion Models are Secretly Good at Visual In-Context Learning

Trevine Oorloff, Vishwanath Sindagi, Wele Gedara Chaminda Bandara +4

Large language models (LLM) in natural language processing (NLP) have demonstrated great potential for in-context learning (ICL) -- the ability to leverage a few sets of example pr…

cs.CV2022

Unsupervised Restoration of Weather-affected Images using Deep Gaussian Process-based CycleGAN

Rajeev Yasarla, Vishwanath A. Sindagi, Vishal M. Patel

Existing approaches for restoring weather-degraded images follow a fully-supervised paradigm and they require paired data for training. However, collecting paired data for weather…

cs.CV2021★ 20 cited

Uncertainty-aware Mean Teacher for Source-free Unsupervised Domain Adaptive 3D Object Detection

Deepti Hegde, Vishwanath Sindagi, Velat Kilic +3

Pseudo-label based self training approaches are a popular method for source-free unsupervised domain adaptation. However, their efficacy depends on the quality of the labels genera…

cs.CV2021★ 39 cited

Lidar Light Scattering Augmentation (LISA): Physics-based Simulation of Adverse Weather Conditions for 3D Object Detection

Velat Kilic, Deepti Hegde, Vishwanath Sindagi +3

Lidar-based object detectors are critical parts of the 3D perception pipeline in autonomous navigation systems such as self-driving cars. However, they are known to be sensitive to…

cs.CV2021★ 13 cited

Unsupervised Domain Adaptation of Object Detectors: A Survey

Poojan Oza, Vishwanath A. Sindagi, Vibashan VS +1

Recent advances in deep learning have led to the development of accurate and efficient models for various computer vision applications such as classification, segmentation, and det…

cs.CV2021★ 5 cited

MeGA-CDA: Memory Guided Attention for Category-Aware Unsupervised Domain Adaptive Object Detection

Vibashan VS, Vikram Gupta, Poojan Oza +2

Existing approaches for unsupervised domain adaptive object detection perform feature alignment via adversarial training. While these methods achieve reasonable improvements in per…

cs.CV2020★ 5 cited

Semi-Supervised Image Deraining using Gaussian Processes

Rajeev Yasarla, V. A. Sindagi, V. M. Patel

Recent CNN-based methods for image deraining have achieved excellent performance in terms of reconstruction error as well as visual quality. However, these methods are limited in t…

cs.CV2020★ 3 cited

Completely Self-Supervised Crowd Counting via Distribution Matching

Deepak Babu Sam, Abhinav Agarwalla, Jimmy Joseph +3

Dense crowd counting is a challenging task that demands millions of head annotations for training models. Though existing self-supervised approaches could learn good representation…

cs.CV2020

Learning to Count in the Crowd from Limited Labeled Data

Vishwanath A. Sindagi, Rajeev Yasarla, Deepak Sam Babu +2

Recent crowd counting approaches have achieved excellent performance. However, they are essentially based on fully supervised paradigm and require large number of annotated samples…

cs.CV2020★ 4 cited

Syn2Real Transfer Learning for Image Deraining using Gaussian Processes

Rajeev Yasarla, Vishwanath A. Sindagi, Vishal M. Patel

Recent CNN-based methods for image deraining have achieved excellent performance in terms of reconstruction error as well as visual quality. However, these methods are limited in t…

cs.CV2020★ 5 cited

JHU-CROWD++: Large-Scale Crowd Counting Dataset and A Benchmark Method

Vishwanath A. Sindagi, Rajeev Yasarla, Vishal M. Patel

Due to its variety of applications in the real-world, the task of single image-based crowd counting has received a lot of interest in the recent years. Recently, several approaches…

cs.CV2019

Prior-based Domain Adaptive Object Detection for Hazy and Rainy Conditions

Vishwanath A. Sindagi, Poojan Oza, Rajeev Yasarla +1

Adverse weather conditions such as haze and rain corrupt the quality of captured images, which cause detection networks trained on clean images to perform poorly on these images. T…

cs.CV2019

Pushing the Frontiers of Unconstrained Crowd Counting: New Dataset and Benchmark Method

Vishwanath A. Sindagi, Rajeev Yasarla, Vishal M. Patel

In this work, we propose a novel crowd counting network that progressively generates crowd density maps via residual error estimation. The proposed method uses VGG16 as the backbon…

cs.CV2019

Multi-Level Bottom-Top and Top-Bottom Feature Fusion for Crowd Counting

Vishwanath A Sindagi, Vishal M. Patel

Crowd counting presents enormous challenges in the form of large variation in scales within images and across the dataset. These issues are further exacerbated in highly congested…

cs.CV2019★ 187 cited

HA-CCN: Hierarchical Attention-based Crowd Counting Network

Vishwanath A. Sindagi, Vishal M. Patel

Single image-based crowd counting has recently witnessed increased focus, but many leading methods are far from optimal, especially in highly congested scenes. In this paper, we pr…

cs.CV2019

Inverse Attention Guided Deep Crowd Counting Network

Vishwanath A. Sindagi, Vishal M. Patel

In this paper, we address the challenging problem of crowd counting in congested scenes. Specifically, we present Inverse Attention Guided Deep Crowd Counting Network (IA-DCCN) tha…

cs.CV2019

MVX-Net: Multimodal VoxelNet for 3D Object Detection

Vishwanath A. Sindagi, Yin Zhou, Oncel Tuzel

Many recent works on 3D object detection have focused on designing neural network architectures that can consume point cloud data. While these approaches demonstrate encouraging pe…

cs.CV2019

DAFE-FD: Density Aware Feature Enrichment for Face Detection

Vishwanath A. Sindagi, Vishal M. Patel

Recent research on face detection, which is focused primarily on improving accuracy of detecting smaller faces, attempt to develop new anchor design strategies to facilitate increa…

cs.CV2018★ 1 cited

Pushing the Limits of Unconstrained Face Detection: a Challenge Dataset and Baseline Results

Hajime Nada, Vishwanath A. Sindagi, He Zhang +1

Face detection has witnessed immense progress in the last few years, with new milestones being surpassed every year. While many challenges such as large variations in scale, pose,…

cs.CV2017★ 12 cited

High-Quality Facial Photo-Sketch Synthesis Using Multi-Adversarial Networks

Lidan Wang, Vishwanath A. Sindagi, Vishal M. Patel

Synthesizing face sketches from real photos and its inverse have many applications. However, photo/sketch synthesis remains a challenging problem due to the fact that photo and ske…

cs.CV2017★ 27 cited

GP-GAN: Gender Preserving GAN for Synthesizing Faces from Landmarks

Xing Di, Vishwanath A. Sindagi, Vishal M. Patel

Facial landmarks constitute the most compressed representation of faces and are known to preserve information such as pose, gender and facial structure present in the faces. Severa…

cs.CV2017★ 1 cited

CNN-based Cascaded Multi-task Learning of High-level Prior and Density Estimation for Crowd Counting

Vishwanath A. Sindagi, Vishal M. Patel

Estimating crowd count in densely crowded scenes is an extremely challenging task due to non-uniform scale variations. In this paper, we propose a novel end-to-end cascaded network…

cs.CV2017

Generating High-Quality Crowd Density Maps using Contextual Pyramid CNNs

Vishwanath A. Sindagi, Vishal M. Patel

We present a novel method called Contextual Pyramid CNN (CP-CNN) for generating high-quality crowd density and count estimation by explicitly incorporating global and local context…

cs.CV2017★ 38 cited

Joint Transmission Map Estimation and Dehazing using Deep Networks

He Zhang, Vishwanath Sindagi, Vishal M. Patel

Single image haze removal is an extremely challenging problem due to its inherent ill-posed nature. Several prior-based and learning-based methods have been proposed in the literat…