1 code implementation • 16 Mar 2025 • Kang You, Tong Chen, Dandan Ding, M. Salman Asif, Zhan Ma
Despite the substantial advancements demonstrated by learning-based neural models in the LiDAR Point Cloud Compression (LPCC) task, realizing real-time compression - an indispensable criterion for numerous industrial applications - remains a formidable challenge.
no code implementations • 29 Jan 2025 • Md Kaykobad Reza, Niki Nezakati, Ameya Patil, Mashhour Solh, M. Salman Asif
Our method significantly reduces the number of learnable parameters and eliminates the need for complex training strategies, such as alternating training, gradient modifications, or unimodal fine-tuning.
no code implementations • 3 Oct 2024 • Niki Nezakati, Md Kaykobad Reza, Ameya Patil, Mashhour Solh, M. Salman Asif
We achieve this by randomly masking a subset of modalities during training and learning to project available input modalities to estimate the tokens for the masked modalities.
no code implementations • 13 Sep 2024 • Nebiyou Yismaw, Ulugbek S. Kamilov, M. Salman Asif
Furthermore, we present an efficient way to factorize and invert the covariance matrix of the likelihood function for several inverse problems.
1 code implementation • 16 Jul 2024 • Zikui Cai, Yaoteng Tan, M. Salman Asif
Unauthorized privacy-related and copyrighted content generation using generative-AI is becoming a significant concern for human society, raising ethical, legal, and privacy issues that demand urgent attention.
no code implementations • 12 Jun 2024 • Yaoteng Tan, Zikui Cai, M. Salman Asif
We introduce transformation-dependent adversarial attacks, a new class of threats where a single additive perturbation can trigger diverse, controllable mis-predictions by systematically transforming the input (e. g., scaling, blurring, compression).
no code implementations • 27 May 2024 • Trishna Chakraborty, Erfan Shayegani, Zikui Cai, Nael Abu-Ghazaleh, M. Salman Asif, Yue Dong, Amit K. Roy-Chowdhury, Chengyu Song
Recent studies reveal that integrating new modalities into Large Language Models (LLMs), such as Vision-Language Models (VLMs), creates a new attack surface that bypasses existing safety training techniques like Supervised Fine-tuning (SFT) and Reinforcement Learning with Human Feedback (RLHF).
no code implementations • CVPR 2024 • Qi Zhao, M. Salman Asif, Zhan Ma
To address this issue, we introduce the Pyramidal Neural Representation for Videos (PNeRV), which is built on a multi-scale information connection and comprises a lightweight rescaling operator, Kronecker Fully-connected layer (KFc), and a Benign Selective Memory (BSM) mechanism.
no code implementations • 15 Mar 2024 • Edward P. Chandler, Shirin Shoushtari, Jiaming Liu, M. Salman Asif, Ulugbek S. Kamilov
A common issue with the learned models is that of a performance drop when there is a distribution shift between the training and testing data.
1 code implementation • 24 Dec 2023 • Rohit Lal, Saketh Bachu, Yash Garg, Arindam Dutta, Calvin-Khang Ta, Dripta S. Raychaudhuri, Hannah Dela Cruz, M. Salman Asif, Amit K. Roy-Chowdhury
This challenge arises because these models struggle to generalize beyond their training datasets, and the variety of occlusions is hard to capture in the training data.
no code implementations • 10 Oct 2023 • Nebiyou Yismaw, Ulugbek S. Kamilov, M. Salman Asif
Deep learning-based methods deliver state-of-the-art performance for solving inverse problems that arise in computational imaging.
no code implementations • 9 Oct 2023 • Yash Garg, Nebiyou Yismaw, Rakib Hyder, Ashley Prater-Bennette, M. Salman Asif
In this paper, we propose a factorized tensor network (FTN) that can achieve accuracy comparable to independent single-task/domain networks with a small number of additional parameters.
no code implementations • 6 Oct 2023 • Md Kaykobad Reza, Ashley Prater-Bennette, M. Salman Asif
We conduct a series of experiments to highlight the missing modality robustness of our proposed method on five different multimodal tasks across seven datasets.
no code implementations • 29 Sep 2023 • Shirin Shoushtari, Jiaming Liu, Edward P. Chandler, M. Salman Asif, Ulugbek S. Kamilov
Our second set of numerical results considers a simple and effective domain adaption strategy that closes the performance gap due to the use of mismatched denoisers.
1 code implementation • 7 Sep 2023 • Md Kaykobad Reza, Ashley Prater-Bennette, M. Salman Asif
Furthermore, our ablation studies also highlight the capacity of different input modalities to improve performance in the identification of different types of materials.
Ranked #1 on
Semantic Segmentation
on MCubeS (P)
no code implementations • CVPR 2023 • Qi Zhao, M. Salman Asif, Zhan Ma
DNeRV achieves competitive results against the state-of-the-art neural compression approaches and outperforms existing implicit methods on downstream inpainting and interpolation for $960 \times 1920$ videos.
1 code implementation • CVPR 2023 • Zikui Cai, Yaoteng Tan, M. Salman Asif
We performed a number of experiments for object detectors and segmentation to highlight the significance of the our proposed methods.
no code implementations • 23 Mar 2023 • Zikui Cai, Zhongpai Gao, Benjamin Planche, Meng Zheng, Terrence Chen, M. Salman Asif, Ziyan Wu
We extensively evaluate our method using multiple datasets, demonstrating a higher de-identification rate and superior consistency compared to prior approaches in various downstream tasks.
no code implementations • 10 Mar 2023 • Rakib Hyder, M. Salman Asif
Furthermore, in many cases, parts of images can be corrupted by noise or missing entries.
no code implementations • 22 Dec 2022 • Yucheng Zheng, M. Salman Asif
With such baseline distance between the lensless camera and illumination source, the camera observes a slice of the 3D volume, and the PSF of each depth plane becomes more resolvable from each other.
1 code implementation • 15 Dec 2022 • Zhihao LI, Ming Lu, Xu Zhang, Xin Feng, M. Salman Asif, Zhan Ma
Conventional cameras capture image irradiance on a sensor and convert it to RGB images using an image signal processor (ISP).
1 code implementation • 20 Sep 2022 • Abhishek Aich, Calvin-Khang Ta, Akash Gupta, Chengyu Song, Srikanth V. Krishnamurthy, M. Salman Asif, Amit K. Roy-Chowdhury
Using the joint image-text features to train the generator, we show that GAMA can craft potent transferable perturbations in order to fool victim classifiers in various attack settings.
no code implementations • 20 Sep 2022 • Abhishek Aich, Shasha Li, Chengyu Song, M. Salman Asif, Srikanth V. Krishnamurthy, Amit K. Roy-Chowdhury
Our goal is to design an attack strategy that can learn from such natural scenes by leveraging the local patch differences that occur inherently in such images (e. g. difference between the local patch on the object `person' and the object `bike' in a traffic scene).
1 code implementation • 7 Aug 2022 • Zikui Cai, Chengyu Song, Srikanth Krishnamurthy, Amit Roy-Chowdhury, M. Salman Asif
We also show that the perturbations generated by our proposed method are highly transferable and can be adopted for hard-label blackbox attacks.
no code implementations • 4 Aug 2022 • Ming Cheng, Yiling Xu, Wang Shen, M. Salman Asif, Chao Ma, Jun Sun, Zhan Ma
We utilize a disparity network to transfer spatiotemporal information across views even in large disparity scenes, based on which, we propose disparity-guided flow-based warping for LSR-HFR view and complementary warping for HSR-LFR view.
1 code implementation • 19 Jul 2022 • Rakib Hyder, Ken Shao, Boyu Hou, Panos Markopoulos, Ashley Prater-Bennette, M. Salman Asif
Our method also offers better memory efficiency compared to episodic memory- and mask-based approaches.
1 code implementation • 11 Apr 2022 • Bin Jiang, Zhihao LI, M. Salman Asif, Xun Cao, Zhan Ma
The event camera's low power consumption and ability to capture microsecond brightness changes make it attractive for various computer vision tasks.
no code implementations • CVPR 2022 • Zikui Cai, Shantanu Rane, Alejandro E. Brito, Chengyu Song, Srikanth V. Krishnamurthy, Amit K. Roy-Chowdhury, M. Salman Asif
We compare our zero-query attack against a few-query scheme that repeatedly checks if the victim system is fooled.
1 code implementation • 3 Mar 2022 • Yingcong Li, Mingchen Li, M. Salman Asif, Samet Oymak
In continual learning (CL), the goal is to design models that can learn a sequence of tasks without catastrophic forgetting.
1 code implementation • 6 Dec 2021 • Zikui Cai, Xinxin Xie, Shasha Li, Mingjun Yin, Chengyu Song, Srikanth V. Krishnamurthy, Amit K. Roy-Chowdhury, M. Salman Asif
In this paper, we present a new approach to generate context-aware attacks for object detectors.
1 code implementation • 25 Nov 2021 • Yucheng Zheng, M. Salman Asif
In this paper, we propose to use coded illumination to improve the quality of images reconstructed with lensless cameras.
no code implementations • 24 Oct 2021 • Mingjun Yin, Shasha Li, Chengyu Song, M. Salman Asif, Amit K. Roy-Chowdhury, Srikanth V. Krishnamurthy
A very recent defense strategy for detecting adversarial examples, that has been shown to be robust to current attacks, is to check for intrinsic context consistencies in the input data, where context refers to various relationships (e. g., object-to-object co-occurrence relationships) in images.
1 code implementation • NeurIPS 2021 • Shasha Li, Abhishek Aich, Shitong Zhu, M. Salman Asif, Chengyu Song, Amit K. Roy-Chowdhury, Srikanth V. Krishnamurthy
When compared to the image classification models, black-box adversarial attacks against video classification models have been largely understudied.
no code implementations • ICCV 2021 • Mingjun Yin, Shasha Li, Zikui Cai, Chengyu Song, M. Salman Asif, Amit K. Roy-Chowdhury, Srikanth V. Krishnamurthy
Vision systems that deploy Deep Neural Networks (DNNs) are known to be vulnerable to adversarial examples.
1 code implementation • ICCV 2021 • Yucheng Zheng, Yi Hua, Aswin C. Sankaranarayanan, M. Salman Asif
Existing methods for lensless imaging can recover the depth and intensity of the scene, but they require solving computationally-expensive inverse problems.
1 code implementation • NeurIPS 2021 • Jiaming Liu, M. Salman Asif, Brendt Wohlberg, Ulugbek S. Kamilov
The plug-and-play priors (PnP) and regularization by denoising (RED) methods have become widely used for solving inverse problems by leveraging pre-trained deep denoisers as image priors.
no code implementations • 13 May 2021 • Viraj Shah, Rakib Hyder, M. Salman Asif, Chinmay Hegde
The traditional approach of hand-crafting priors (such as sparsity) for solving inverse problems is slowly being replaced by the use of richer learned priors (such as those modeled by deep generative networks).
1 code implementation • ECCV 2020 • Rakib Hyder, Zikui Cai, M. Salman Asif
We performed a number of simulations on a variety of datasets under different conditions and found that our proposed method for phase retrieval via unrolled network and learned reference provides near-perfect recovery at fixed (small) computational cost.
1 code implementation • CVPR 2020 • Abhishek Aich, Akash Gupta, Rameswar Panda, Rakib Hyder, M. Salman Asif, Amit K. Roy-Chowdhury
Different from these methods, we focus on the problem of generating videos from latent noise vectors, without any reference input frames.
no code implementations • 6 Oct 2019 • Yucheng Zheng, M. Salman Asif
We built a prototype lensless camera and present experimental results for reconstruction of intensity and depth maps of different real objects.
no code implementations • 28 Sep 2019 • Ming Cheng, Zhan Ma, M. Salman Asif, Yiling Xu, Haojie Liu, Wenbo Bao, Jun Sun
This paper presents a dual camera system for high spatiotemporal resolution (HSTR) video acquisition, where one camera shoots a video with high spatial resolution and low frame rate (HSR-LFR) and another one captures a low spatial resolution and high frame rate (LSR-HFR) video.
no code implementations • NeurIPS Workshop Deep_Invers 2019 • Rakib Hyder, M. Salman Asif
In the context of compressive sensing, if the unknown image belongs to the range of a pretrained generative network, then we can recover the image by estimating the underlying compact latent code from the available measurements.
no code implementations • 7 Mar 2019 • Rakib Hyder, Viraj Shah, Chinmay Hegde, M. Salman Asif
We empirically show that the performance of our method with projected gradient descent is superior to the existing approach for solving phase retrieval under generative priors.
1 code implementation • 25 Feb 2019 • Rakib Hyder, M. Salman Asif
Finding compact representation of videos is an essential component in almost every problem related to video processing or understanding.
no code implementations • 9 Nov 2017 • M. Salman Asif
Recently, coded masks have been used to demonstrate a thin form-factor lensless camera, FlatCam, in which a mask is placed immediately on top of a bare image sensor.
no code implementations • 28 Oct 2015 • Jason Holloway, M. Salman Asif, Manoj Kumar Sharma, Nathan Matsuda, Roarke Horstmeyer, Oliver Cossairt, Ashok Veeraraghavan
Recent advances in ptychography have demonstrated that one can image beyond the diffraction limit of the objective lens in a microscope.
2 code implementations • 1 Sep 2015 • M. Salman Asif, Ali Ayremlou, Aswin Sankaranarayanan, Ashok Veeraraghavan, Richard Baraniuk
FlatCam is a thin form-factor lensless camera that consists of a coded mask placed on top of a bare, conventional sensor array.
no code implementations • CVPR 2015 • Huaijin Chen, M. Salman Asif, Aswin C. Sankaranarayanan, Ashok Veeraraghavan
Unfortunately, the measurement rate of a SPC is insufficient to enable imaging at high spatial and temporal resolutions.
no code implementations • 14 Jun 2013 • M. Salman Asif, Justin Romberg
In this paper, we discuss two such streaming systems and a homotopy-based algorithm for quickly solving the associated L1-norm minimization programs: 1) Recovery of a smooth, time-varying signal for which, instead of using block transforms, we use lapped orthogonal transforms for sparse representation.