activity
20192024
most citedDD-PPO: Learning Near-Perfect PointGoal Navigators from 2.5 Billion Frames

36 citations · 230 across the 39 of their papers we have counts for

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Showing cs.CVShow all

29 papers · 1 filter

cs.CV2024

Mamba Fusion: Learning Actions Through Questioning

Zhikang Dong, Apoorva Beedu, Jason Sheinkopf +1

Video Language Models (VLMs) are crucial for generalizing across diverse tasks and using language cues to enhance learning. While transformer-based architectures have been the de f…

cs.CV2024

On the Efficacy of Text-Based Input Modalities for Action Anticipation

Apoorva Beedu, Harish Haresamudram, Karan Samel +1

Anticipating future actions is a highly challenging task due to the diversity and scale of potential future actions; yet, information from different modalities help narrow down pla…

cs.CV2023★ 7 cited

Photorealistic Video Generation with Diffusion Models

Agrim Gupta, Lijun Yu, Kihyuk Sohn +6

We present W.A.L.T, a transformer-based approach for photorealistic video generation via diffusion modeling. Our approach has two key design decisions. First, we use a causal encod…

cs.CV2023★ 22 cited

VideoPoet: A Large Language Model for Zero-Shot Video Generation

Dan Kondratyuk, Lijun Yu, Xiuye Gu +28

We present VideoPoet, a language model capable of synthesizing high-quality video, with matching audio, from a large variety of conditioning signals. VideoPoet employs a decoder-on…

cs.CV2023★ 22 cited

Language Model Beats Diffusion -- Tokenizer is Key to Visual Generation

Lijun Yu, José Lezama, Nitesh B. Gundavarapu +13

While Large Language Models (LLMs) are the dominant models for generative tasks in language, they do not perform as well as diffusion models on image and video generation. To effec…

cs.CV2023★ 2 cited

Multimodal Contrastive Learning with Hard Negative Sampling for Human Activity Recognition

Hyeongju Choi, Apoorva Beedu, Irfan Essa

Human Activity Recognition (HAR) systems have been extensively studied by the vision and ubiquitous computing communities due to their practical applications in daily life, such as…

cs.CV2023★ 7 cited

SPAE: Semantic Pyramid AutoEncoder for Multimodal Generation with Frozen LLMs

Lijun Yu, Yong Cheng, Zhiruo Wang +10

In this work, we introduce Semantic Pyramid AutoEncoder (SPAE) for enabling frozen LLMs to perform both understanding and generation tasks involving non-linguistic modalities such…

cs.CV2023★ 25 cited

StyleDrop: Text-to-Image Generation in Any Style

Kihyuk Sohn, Nataniel Ruiz, Kimin Lee +11

Pre-trained large text-to-image models synthesize impressive images with an appropriate use of text prompts. However, ambiguities inherent in natural language and out-of-distributi…

cs.CV2023★ 1 cited

Learning Disentangled Prompts for Compositional Image Synthesis

Kihyuk Sohn, Albert Shaw, Yuan Hao +5

We study domain-adaptive image synthesis, the problem of teaching pretrained image generative models a new style or concept from as few as one image to synthesize novel images, to…

cs.CV2023★ 7 cited

Prompt-Free Diffusion: Taking "Text" out of Text-to-Image Diffusion Models

Xingqian Xu, Jiayi Guo, Zhangyang Wang +3

Text-to-image (T2I) research has grown explosively in the past year, owing to the large-scale pre-trained diffusion models and many emerging personalization and editing approaches.…

cs.CV2023★ 1 cited

MaskSketch: Unpaired Structure-guided Masked Image Generation

Dina Bashkirova, Jose Lezama, Kihyuk Sohn +2

Recent conditional image generation methods produce images of remarkable diversity, fidelity and realism. However, the majority of these methods allow conditioning only on labels o…

cs.CV2022★ 1 cited

MAGVIT: Masked Generative Video Transformer

Lijun Yu, Yong Cheng, Kihyuk Sohn +8

We introduce the MAsked Generative VIdeo Transformer, MAGVIT, to tackle various video synthesis tasks with a single model. We introduce a 3D tokenizer to quantize a video into spat…

cs.CV2022★ 4 cited

Multi-Stage Based Feature Fusion of Multi-Modal Data for Human Activity Recognition

Hyeongju Choi, Apoorva Beedu, Harish Haresamudram +1

To properly assist humans in their needs, human activity recognition (HAR) systems need the ability to fuse information from multiple modalities. Our hypothesis is that multimodal…

cs.CV2022★ 6 cited

Video based Object 6D Pose Estimation using Transformers

Apoorva Beedu, Huda Alamri, Irfan Essa

We introduce a Transformer based 6D Object Pose Estimation framework VideoPose, comprising an end-to-end attention based modelling architecture, that attends to previous frames in…

cs.CV2022★ 1 cited

End-to-End Multimodal Representation Learning for Video Dialog

Huda Alamri, Anthony Bilic, Michael Hu +2

Video-based dialog task is a challenging multimodal learning task that has received increasing attention over the past few years with state-of-the-art obtaining new performance rec…

cs.CV2022★ 1 cited

Finding Islands of Predictability in Action Forecasting

Daniel Scarafoni, Irfan Essa, Thomas Ploetz

We address dense action forecasting: the problem of predicting future action sequence over long durations based on partial observation. Our key insight is that future action sequen…

cs.CV2022★ 11 cited

Visual Prompt Tuning for Generative Transfer Learning

Kihyuk Sohn, Yuan Hao, José Lezama +5

Transferring knowledge from an image synthesis model trained on a large dataset is a promising direction for learning generative image models from various domains efficiently. Whil…

cs.CV2022

Improved Masked Image Generation with Token-Critic

José Lezama, Huiwen Chang, Lu Jiang +1

Non-autoregressive generative transformers recently demonstrated impressive image generation performance, and orders of magnitude faster sampling than their autoregressive counterp…

cs.CV2021★ 4 cited

BLT: Bidirectional Layout Transformer for Controllable Layout Generation

Xiang Kong, Lu Jiang, Huiwen Chang +4

Creating visual layouts is a critical step in graphic design. Automatic generation of such layouts is essential for scalable and diverse visual designs. To advance conditional layo…

cs.CV2021

VideoPose: Estimating 6D object pose from videos

Apoorva Beedu, Zhile Ren, Varun Agrawal +1

We introduce a simple yet effective algorithm that uses convolutional neural networks to directly estimate object poses from videos. Our approach leverages the temporal information…

cs.CV2021★ 10 cited

Discrete Representations Strengthen Vision Transformer Robustness

Chengzhi Mao, Lu Jiang, Mostafa Dehghani +3

Vision Transformer (ViT) is emerging as the state-of-the-art architecture for image recognition. While recent studies suggest that ViTs are more robust than their convolutional cou…

cs.CV2021★ 3 cited

Unsupervised Discovery of Actions in Instructional Videos

AJ Piergiovanni, Anelia Angelova, Michael S. Ryoo +1

In this paper we address the problem of automatically discovering atomic actions in unsupervised manner from instructional videos. Instructional videos contain complex activities a…

cs.CV2021★ 4 cited

Unsupervised Action Segmentation for Instructional Videos

AJ Piergiovanni, Anelia Angelova, Michael S. Ryoo +1

In this paper we address the problem of automatically discovering atomic actions in unsupervised manner from instructional videos, which are rarely annotated with atomic actions. W…

cs.CV2021

Automatic Non-Linear Video Editing Transfer

Nathan Frey, Peggy Chi, Weilong Yang +1

We propose an automatic approach that extracts editing styles in a source video and applies the edits to matched footage for video creation. Our Computer Vision based techniques co…