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The proliferation of AI-generated imagery and sophisticated editing tools has rendered traditional forensic methods ineffective for cross-domain forgery detection. We present ForensicFormer, a hierarchical multi-scale framework that unifies…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Hema Hariharan Samson

Existing deep calibrated photometric stereo networks basically aggregate observations under different lights based on the pre-defined operations such as linear projection and max pooling. While they are effective with the dense capture,…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Satoshi Ikehata

Transformer architecture has been very successful long runner in the field of Deep Learning (DL) and Large Language Models (LLM) because of its powerful attention-based learning and parallel-natured architecture. As the models grow gigantic…

Machine Learning · Computer Science 2026-01-21 Phani Kumar , Nyshadham , Jyothendra Varma , Polisetty V R K , Aditya Rathore

We address the challenging task of identifying, segmenting, and tracking hand-held objects, which is crucial for applications such as human action segmentation and performance evaluation. This task is particularly challenging due to heavy…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Supreeth Narasimhaswamy , Huy Anh Nguyen , Lihan Huang , Minh Hoai

Transformers are a popular choice for classification tasks and as backbones for object detection tasks. However, their high latency brings challenges in their adaptation to lightweight object detection systems. We present an approximation…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Dharma KC , Venkata Ravi Kiran Dayana , Meng-Lin Wu , Venkateswara Rao Cherukuri , Hau Hwang

In this paper, we propose a conceptually novel, efficient, and fully convolutional framework for real-time instance segmentation. Previously, most instance segmentation methods heavily rely on object detection and perform mask prediction…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Tianheng Cheng , Xinggang Wang , Shaoyu Chen , Wenqiang Zhang , Qian Zhang , Chang Huang , Zhaoxiang Zhang , Wenyu Liu

When considering sparse motion capture marker data, one typically struggles to balance its overfitting via a high dimensional blendshape system versus underfitting caused by smoothness constraints. With the current trend towards using more…

Computer Vision and Pattern Recognition · Computer Science 2019-09-06 Matthew Cong , Lana Lan , Ronald Fedkiw

It is widely accepted that optimization of imaging system performance should be guided by task-based measures of image quality (IQ). It has been advocated that imaging hardware or data-acquisition designs should be optimized by use of an…

Computer Vision and Pattern Recognition · Computer Science 2019-05-16 Yujia Chen , Yang Lou , Kun Wang , Matthew A. Kupinski , Mark A. Anastasio

Radars, due to their robustness to adverse weather conditions and ability to measure object motions, have served in autonomous driving and intelligent agents for years. However, Radar-based perception suffers from its unintuitive sensing…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Liu Liu , Shuaifeng Zhi , Zhenhua Du , Li Liu , Xinyu Zhang , Kai Huo , Weidong Jiang

Transformers have become the standard in state-of-the-art vision architectures, achieving impressive performance on both image-level and dense pixelwise tasks. However, training vision transformers for high-resolution pixelwise tasks has a…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Vincent Leroy , Jerome Revaud , Thomas Lucas , Philippe Weinzaepfel

Image editing techniques have rapidly advanced, facilitating both innovative use cases and malicious manipulation of digital images. Deep learning-based methods have recently achieved high accuracy in pixel-level forgery localization, yet…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Ju-Hyeon Nam , Dong-Hyun Moon , Sang-Chul Lee

Lane detection is a fundamental task in autonomous driving, and has achieved great progress as deep learning emerges. Previous anchor-based methods often design dense anchors, which highly depend on the training dataset and remain fixed…

Computer Vision and Pattern Recognition · Computer Science 2024-04-12 Ji Liu , Zifeng Zhang , Mingjie Lu , Hongyang Wei , Dong Li , Yile Xie , Jinzhang Peng , Lu Tian , Ashish Sirasao , Emad Barsoum

The recent trend in multiple object tracking (MOT) is heading towards leveraging deep learning to boost the tracking performance. In this paper, we propose a novel solution named TransSTAM, which leverages Transformer to effectively model…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Peng Dai , Yiqiang Feng , Renliang Weng , Changshui Zhang

Extracting robust feature representation is critical for object re-identification to accurately identify objects across non-overlapping cameras. Although having a strong representation ability, the Vision Transformer (ViT) tends to overfit…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Lei Tan , Pingyang Dai , Jie Chen , Liujuan Cao , Yongjian Wu , Rongrong Ji

We propose SparseContrast, a new framework that merges dynamic sparse attention with contrastive learning for medical imaging, with a focus on chest X-ray disease detection in low-data settings. Traditional contrastive learning methods rely…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Paarth Prasad , Ruchika Malhotra

Humans can often count unfamiliar objects by observing visual repetition and composition, rather than relying only on object categories. However, many exemplar-free counting models struggle in such situations and may overcount when objects…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Md Tanvir Hossain , Akif Islam , Mohd Ruhul Ameen

Semantic segmentation based on sparse annotation has advanced in recent years. It labels only part of each object in the image, leaving the remainder unlabeled. Most of the existing approaches are time-consuming and often necessitate a…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Hui Su , Yue Ye , Wei Hua , Lechao Cheng , Mingli Song

Non-uniformed 3D sparse data, e.g., point clouds or voxels in different spatial positions, make contribution to the task of 3D object detection in different ways. Existing basic components in sparse convolutional networks (Sparse CNNs)…

Computer Vision and Pattern Recognition · Computer Science 2022-04-27 Yukang Chen , Yanwei Li , Xiangyu Zhang , Jian Sun , Jiaya Jia

Sparse algorithms offer great flexibility for multi-view temporal perception tasks. In this paper, we present an enhanced version of Sparse4D, in which we improve the temporal fusion module by implementing a recursive form of multi-frame…

Computer Vision and Pattern Recognition · Computer Science 2023-05-25 Xuewu Lin , Tianwei Lin , Zixiang Pei , Lichao Huang , Zhizhong Su

In this paper, we aim to address the challenge of novel view rendering of human performers who wear clothes with complex texture patterns using a sparse set of camera views. Although some recent works have achieved remarkable rendering…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Tiansong Zhou , Jing Huang , Tao Yu , Ruizhi Shao , Kun Li