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Weakly-supervised semantic segmentation (WSSS), which aims to train segmentation models solely using image-level labels, has achieved significant attention. Existing methods primarily focus on generating high-quality pseudo labels using…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Wangyu Wu , Tianhong Dai , Xiaowei Huang , Fei Ma , Jimin Xiao

Biometrics deals with identity verification of an individual by using certain physiological or behavioral features associated with a person. Biometric identification systems using fingerprints patterns are called AFIS (Automatic Fingerprint…

Cryptography and Security · Computer Science 2010-05-25 Najme Zehra , Mansi Sharma , Somya Ahuja , Shubha Bansal

Steganalysis as a method to detect whether image contains se-cret message, is a crucial study avoiding the imperils from abus-ing steganography. The point of steganalysis is to detect the weak embedding signals which is hardly learned by…

Multimedia · Computer Science 2022-03-25 Hai Su , Meiyin Han , Junle Liang , Songsen Yu

Feature screening approaches are effective in selecting active features from data with ultrahigh dimensionality and increasing complexity; however, the majority of existing feature screening approaches are either restricted to a univariate…

Methodology · Statistics 2023-05-09 Shaofei Zhao , Guifang Fu

CDI is a lensless imaging technique that enables atomic-resolution imaging of non-crystalline specimens and their dynamics. However, its broader implementation has been hindered by the instability and ill-posedness of its reconstruction…

Optics · Physics 2025-12-11 Zhe Hu , Zisheng Yao , Yuhe Zhang , Pablo Villanueva-Perez

With the popularization and application of privacy protection technologies in cloud service and social network, ciphertext has been gradually becoming a common platform for public to exchange data. Under the cover of such a plat-form, we…

Cryptography and Security · Computer Science 2023-04-06 Yan Ke , Minqing Zhang , Jia Liu , Xiaoyuan Yang

Spatial profiling technologies in biology, such as imaging mass cytometry (IMC) and spatial transcriptomics (ST), generate high-dimensional, multi-channel data with strong spatial alignment and complex inter-channel relationships.…

Machine Learning · Computer Science 2025-07-08 Haoran Zhang , Mingyuan Zhou , Wesley Tansey

Information security has become a cause of concern because of the electronic eavesdropping. Capacity, robustness and invisibility are important parameters in information hiding and are quite difficult to achieve in a single algorithm. This…

Steganography is the art of hiding the fact that communication is taking place, by hiding information in other information. Different types of carrier file formats can be used, but digital images are the most popular ones because of their…

Multimedia · Computer Science 2019-09-12 Ramita Maharjan , Ajay Kumar Shrestha , Rejina Basnet

With the rise of cameras and smart sensors, humanity generates an exponential amount of data. This valuable information, including underrepresented cases like AI in medical settings, can fuel new deep-learning tools. However, data…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Zikui Cai , Zhongpai Gao , Benjamin Planche , Meng Zheng , Terrence Chen , M. Salman Asif , Ziyan Wu

Cross-modality data translation has attracted great interest in image computing. Deep generative models (\textit{e.g.}, GANs) show performance improvement in tackling those problems. Nevertheless, as a fundamental challenge in image…

Computer Vision and Pattern Recognition · Computer Science 2023-02-01 Zihao Wang , Yingyu Yang , Maxime Sermesant , Hervé Delingette , Ona Wu

Existing multi-modal image fusion methods fail to address the compound degradations presented in source images, resulting in fusion images plagued by noise, color bias, improper exposure, \textit{etc}. Additionally, these methods often…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Hao Zhang , Lei Cao , Jiayi Ma

Recent diffusion-based generators can produce high-quality images from textual prompts. However, they often disregard textual instructions that specify the spatial layout of the composition. We propose a simple approach that achieves robust…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Minghao Chen , Iro Laina , Andrea Vedaldi

In the past, steganography was to embed text in a carrier, the sender Alice and the recipient Bob share the key, and the text is extracted by Bob through the key. If more information is embedded, the image is easily distorted. In contrast,…

Multimedia · Computer Science 2019-10-21 Duan Xintao , Liu Nao

Conditional diffusion models can create unseen images in various settings, aiding image interpolation. Interpolation in latent spaces is well-studied, but interpolation with specific conditions like text or poses is less understood. Simple…

Computer Vision and Pattern Recognition · Computer Science 2024-10-07 Qiyuan He , Jinghao Wang , Ziwei Liu , Angela Yao

In real-world applications of human pose estimation, low-resolution input images are frequently encountered when the performance of the image acquisition equipment is limited or the shooting distance is too far. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2024-05-22 Zejun Gu , Zhong-Qiu Zhao , Hao Shen , Zhao Zhang

Training-free control over editing intensity is a critical requirement for diffusion-based image editing models built on the Diffusion Transformer (DiT) architecture. Existing attention manipulation methods focus exclusively on the Key…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Guandong Li

Coherent Diffractive Imaging is a lensless technique that allows imaging of matter at a spatial resolution not limited by lens aberrations. This technique exploits the measured diffraction pattern of a coherent beam scattered by periodic…

Computational Physics · Physics 2025-08-27 Alessandro Colombo , Davide Emilio Galli , Liberato De Caro , Francesco Scattarella , Elvio Carlino

Audio steganography aims at concealing secret information in carrier audio with imperceptible modification on the carrier. Although previous works addressed the robustness of concealed message recovery against distortions introduced during…

Sound · Computer Science 2022-02-21 Naoya Takahashi , Mayank Kumar Singh , Yuki Mitsufuji

The goal of this paper is to interactively refine the automatic segmentation on challenging structures that fall behind human performance, either due to the scarcity of available annotations or the difficulty nature of the problem itself,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-28 Wentao Liu , Chaofan Ma , Yuhuan Yang , Weidi Xie , Ya Zhang