no code implementations • 14 May 2024 • Ruchit Rawal, Khalid Saifullah, Miquel Farré, Ronen Basri, David Jacobs, Gowthami Somepalli, Tom Goldstein
Current datasets for long-form video understanding often fall short of providing genuine long-form comprehension challenges, as many tasks derived from these datasets can be successfully tackled by analyzing just one or a few random frames from a video.
no code implementations • 22 Mar 2024 • Jiaye Wu, Saeed Hadadan, Geng Lin, Matthias Zwicker, David Jacobs, Roni Sengupta
In this paper, we present GaNI, a Global and Near-field Illumination-aware neural inverse rendering technique that can reconstruct geometry, albedo, and roughness parameters from images of a scene captured with co-located light and camera.
no code implementations • 27 Jun 2023 • Jiaye Wu, Sanjoy Chowdhury, Hariharmano Shanmugaraja, David Jacobs, Soumyadip Sengupta
We then finetune different algorithms on our MAW dataset to significantly improve the quality of the reconstructed albedo both quantitatively and qualitatively.
no code implementations • ICCV 2023 • Songwei Ge, Seungjun Nah, Guilin Liu, Tyler Poon, Andrew Tao, Bryan Catanzaro, David Jacobs, Jia-Bin Huang, Ming-Yu Liu, Yogesh Balaji
Despite tremendous progress in generating high-quality images using diffusion models, synthesizing a sequence of animated frames that are both photorealistic and temporally coherent is still in its infancy.
Ranked #8 on Text-to-Video Generation on UCF-101
1 code implementation • CVPR 2023 • Anshul Shah, Aniket Roy, Ketul Shah, Shlok Kumar Mishra, David Jacobs, Anoop Cherian, Rama Chellappa
In this work, we propose a new contrastive learning approach to train models for skeleton-based action recognition without labels.
no code implementations • ICCV 2023 • Koutilya PNVR, Bharat Singh, Pallabi Ghosh, Behjat Siddiquie, David Jacobs
First, we show that the latent space of LDMs (z-space) is a better input representation compared to other feature representations like RGB images or CLIP encodings for text-based image segmentation.
1 code implementation • CVPR 2023 • Songwei Ge, Shlok Mishra, Simon Kornblith, Chun-Liang Li, David Jacobs
To exploit such a structure, we propose a contrastive learning framework where a Euclidean loss is used to learn object representations and a hyperbolic loss is used to encourage representations of scenes to lie close to representations of their constituent objects in a hyperbolic space.
1 code implementation • 30 Oct 2022 • Shlok Mishra, Joshua Robinson, Huiwen Chang, David Jacobs, Aaron Sarna, Aaron Maschinot, Dilip Krishnan
Our framework is a minimal and conceptually clean synthesis of (C) contrastive learning, (A) masked autoencoders, and (N) the noise prediction approach used in diffusion models.
no code implementations • 19 Apr 2022 • Pedro Sandoval-Segura, Vasu Singla, Liam Fowl, Jonas Geiping, Micah Goldblum, David Jacobs, Tom Goldstein
We advocate for evaluating poisons in terms of peak test accuracy.
1 code implementation • 7 Apr 2022 • Songwei Ge, Thomas Hayes, Harry Yang, Xi Yin, Guan Pang, David Jacobs, Jia-Bin Huang, Devi Parikh
Videos are created to express emotion, exchange information, and share experiences.
Ranked #21 on Video Generation on UCF-101
no code implementations • 17 Mar 2022 • Amnon Geifman, Meirav Galun, David Jacobs, Ronen Basri
We study the properties of various over-parametrized convolutional neural architectures through their respective Gaussian process and neural tangent kernels.
1 code implementation • 1 Dec 2021 • Shlok Mishra, Anshul Shah, Ankan Bansal, Abhyuday Jagannatha, Janit Anjaria, Abhishek Sharma, David Jacobs, Dilip Krishnan
This assumption is mostly satisfied in datasets such as ImageNet where there is a large, centered object, which is highly likely to be present in random crops of the full image.
1 code implementation • NeurIPS 2021 • Songwei Ge, Shlok Mishra, Haohan Wang, Chun-Liang Li, David Jacobs
We also show that model bias favors texture and shape features differently under different test settings.
no code implementations • 25 Aug 2021 • Kaira Samuel, Vijay Gadepally, David Jacobs, Michael Jones, Kyle McAlpin, Kyle Palko, Ben Paulk, Sid Samsi, Ho Chit Siu, Charles Yee, Jeremy Kepner
The Maneuver Identification Challenge hosted at maneuver-id. mit. edu provides thousands of trajectories collected from pilots practicing in flight simulators, descriptions of maneuvers, and examples of these maneuvers performed by experienced pilots.
no code implementations • 22 Mar 2021 • Shlok Kumar Mishra, Kuntal Sengupta, Max Horowitz-Gelb, Wen-Sheng Chu, Sofien Bouaziz, David Jacobs
Presentation attack detection (PAD) is a critical component in secure face authentication.
1 code implementation • NeurIPS 2021 • Songwei Ge, Vasu Singla, Ronen Basri, David Jacobs
Using this, we prove that shift invariance in neural networks produces adversarial examples for the simple case of two classes, each consisting of a single image with a black or white dot on a gray background.
1 code implementation • ICCV 2021 • Vasu Singla, Sahil Singla, David Jacobs, Soheil Feizi
In particular, we show that using activation functions with low (exact or approximate) curvature values has a regularization effect that significantly reduces both the standard and robust generalization gaps in adversarial training.
1 code implementation • 3 Nov 2020 • Shlok Mishra, Anshul Shah, Ankan Bansal, Janit Anjaria, Jonghyun Choi, Abhinav Shrivastava, Abhishek Sharma, David Jacobs
Recent literature has shown that features obtained from supervised training of CNNs may over-emphasize texture rather than encoding high-level information.
Ranked #19 on Object Detection on PASCAL VOC 2007
1 code implementation • NeurIPS 2020 • Amnon Geifman, Abhay Yadav, Yoni Kasten, Meirav Galun, David Jacobs, Ronen Basri
Experiments show that these kernel methods perform similarly to real neural networks.
1 code implementation • CVPR 2020 • Koutilya PNVR, Hao Zhou, David Jacobs
Ideally, this results in images from two domains that present shared information to the primary network.
Ranked #3 on Monocular Depth Estimation on Make3D
no code implementations • 10 Apr 2020 • Shlok Kumar Mishra, Pranav Goel, Abhishek Sharma, Abhyuday Jagannatha, David Jacobs, Hal Daumé III
Therefore, we propose a novel evaluation benchmark to assess the performance of existing AQG systems for long-text answers.
no code implementations • ICML 2020 • Ronen Basri, Meirav Galun, Amnon Geifman, David Jacobs, Yoni Kasten, Shira Kritchman
Recent works have partly attributed the generalization ability of over-parameterized neural networks to frequency bias -- networks trained with gradient descent on data drawn from a uniform distribution find a low frequency fit before high frequency ones.
1 code implementation • NeurIPS 2019 • Ronen Basri, David Jacobs, Yoni Kasten, Shira Kritchman
We study the relationship between the frequency of a function and the speed at which a neural network learns it.
1 code implementation • ICLR 2020 • Ali Shafahi, Parsa Saadatpanah, Chen Zhu, Amin Ghiasi, Christoph Studer, David Jacobs, Tom Goldstein
By training classifiers on top of these feature extractors, we produce new models that inherit the robustness of their parent networks.
no code implementations • 6 Jan 2019 • Ryen Krusinga, Sohil Shah, Matthias Zwicker, Tom Goldstein, David Jacobs
Probability density estimation is a classical and well studied problem, but standard density estimation methods have historically lacked the power to model complex and high-dimensional image distributions.
1 code implementation • CVPR 2018 • Soumyadip Sengupta, Angjoo Kanazawa, Carlos D. Castillo, David Jacobs
SfSNet learns from a mixture of labeled synthetic and unlabeled real world images.
1 code implementation • ICLR 2018 • Abhay Yadav, Sohil Shah, Zheng Xu, David Jacobs, Tom Goldstein
Adversarial neural networks solve many important problems in data science, but are notoriously difficult to train.
no code implementations • CVPR 2017 • Silvia Zuffi, Angjoo Kanazawa, David Jacobs, Michael J. Black
The best human body models are learned from thousands of 3D scans of people in specific poses, which is infeasible with live animals.
no code implementations • 18 Oct 2016 • Soham De, Abhay Yadav, David Jacobs, Tom Goldstein
The high fidelity gradients enable automated learning rate selection and do not require stepsize decay.
1 code implementation • 31 May 2016 • Sohil Shah, Abhay Kumar, Carlos Castillo, David Jacobs, Christoph Studer, Tom Goldstein
We propose a general framework to approximately solve large-scale semidefinite problems (SDPs) at low complexity.
no code implementations • 15 Feb 2016 • Ronen Basri, David Jacobs
We consider the ability of deep neural networks to represent data that lies near a low-dimensional manifold in a high-dimensional space.
no code implementations • 28 Jul 2015 • Konrad Simon, Sameer Sheorey, David Jacobs, Ronen Basri
We suggest a novel shape matching algorithm for three-dimensional surface meshes of disk or sphere topology.
no code implementations • 16 Dec 2014 • Angjoo Kanazawa, Abhishek Sharma, David Jacobs
We show on a modified MNIST dataset that when faced with scale variation, building in scale-invariance allows ConvNets to learn more discriminative features with reduced chances of over-fitting.
no code implementations • 5 May 2014 • Mohammad Rastegari, Shobeir Fakhraei, Jonghyun Choi, David Jacobs, Larry S. Davis
We discuss methodological issues related to the evaluation of unsupervised binary code construction methods for nearest neighbor search.