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相关论文: OpEnCam: Lensless Optical Encryption Camera

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Incorporating camera intrinsics into video generation models offers a principled way to control not only scene dynamics but also the imaging process that governs visual appearance. Prior work has primarily focused on extrinsic control, such…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Debabrata Mandal , Zhihan Peng , Yujie Wang , Praneeth Chakravarthula

Ensuring end-to-end security in image sensors has become essential as visual data can be exposed through multiple stages of the imaging pipeline. Advanced protection requires encryption to occur before pixel values appear on any readout…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Md Rahatul Islam Udoy , Diego Ferrer , Wantong Li , Kai Ni , Sumeet Kumar Gupta , Ahmedullah Aziz

Future quantum computers are likely to be expensive and affordable outright by few, motivating client/server models for outsourced computation. However, the applications for quantum computing will often involve sensitive data, and the…

量子物理 · 物理学 2020-03-25 Yingkai Ouyang , Si-Hui Tan , Joseph Fitzsimons , Peter P. Rohde

The protection of confidential image data from unauthorized access is an important area of research in network communication. This paper presents a high-level security encryption scheme for gray scale images. The gray level image is first…

多媒体 · 计算机科学 2012-03-12 G. Sudheer , B. V. S. Renuka Devi

Unwanted camera occlusions, such as debris, dust, rain-drops, and snow, can severely degrade the performance of computer-vision systems. Dynamic occlusions are particularly challenging because of the continuously changing pattern. Existing…

计算机视觉与模式识别 · 计算机科学 2023-08-02 Rong Zou , Manasi Muglikar , Nico Messikommer , Davide Scaramuzza

Reversible data hiding in encrypted image (RDHEI) becomes a hot topic, and a lot of algorithms have been proposed to optimize this technology. However, these algorithms cannot achieve strong embedding capacity. Thus, in this paper, we…

密码学与安全 · 计算机科学 2022-01-21 Zi-Long Liu , Chi-Man Pun

Low-light image enhancement is an important task in computer vision, essential for improving the visibility and quality of images captured in non-optimal lighting conditions. Inadequate illumination can lead to significant information loss…

计算机视觉与模式识别 · 计算机科学 2025-05-15 Ezequiel Perez-Zarate , Oscar Ramos-Soto , Chunxiao Liu , Diego Oliva , Marco Perez-Cisneros

Event cameras are a cutting-edge type of visual sensors that capture data by detecting brightness changes at the pixel level asynchronously. These cameras offer numerous benefits over conventional cameras, including high temporal…

多媒体 · 计算机科学 2024-11-12 Ahmadreza Sezavar , Catarina Brites , Joao Ascenso

Photography usually requires optics in conjunction with a recording device (an image sensor). Eliminating the optics could lead to new form factors for cameras. Here, we report a simple demonstration of imaging using a bare CMOS sensor that…

计算机视觉与模式识别 · 计算机科学 2018-05-23 Ganghun Kim , Kyle Isaacson , Racheal Palmer , Rajesh Menon

The paper introduces a novel, holistic approach for robust Screen-Camera Communication (SCC), where video content on a screen is visually encoded in a human-imperceptible fashion and decoded by a camera capturing images of such screen…

计算机视觉与模式识别 · 计算机科学 2021-05-13 Vu Tran , Gihan Jayatilaka , Ashwin Ashok , Archan Misra

Performing simultaneous localization and mapping (SLAM) in low-visibility conditions, such as environments filled with smoke, dust and transparent objets, has long been a challenging task. Sensors like cameras and Light Detection and…

机器人学 · 计算机科学 2024-12-24 Fuhua Jia , Xiaoying Yang , Mengshen Yang , Yang Li , Hang Xu , Adam Rushworth , Salman Ijaz , Heng Yu , Tianxiang Cui

In addressing physical layer security issues, hardware fingerprinting has been proven to be a reliable method. Additionally, Visible Light Communication (VLC) technology offers a solution to the spectrum congestion in next-generation…

信号处理 · 电气工程与系统科学 2024-04-15 Chen Xuanbang , Liu Ziqi , Zhang Xun , Wang Yuhao , Shi Dayu , Liu Xiaodong

Quantum imaging, one of the pillars of quantum technologies, is well-suited to study sensitive samples which require low-light conditions, like biological tissues. In this context, interaction-free measurements (IFM) allow us infer the…

Deep reinforcement learning has achieved great success in laser-based collision avoidance works because the laser can sense accurate depth information without too much redundant data, which can maintain the robustness of the algorithm when…

机器人学 · 计算机科学 2022-09-02 Jianchuan Ding , Lingping Gao , Wenxi Liu , Haiyin Piao , Jia Pan , Zhenjun Du , Xin Yang , Baocai Yin

Imaging through a single optical fiber offers attractive possibilities in many applications such as microendoscopy or remote sensing. However, the direct transmission of an image through an optical fiber is difficult because spatial…

光学 · 物理学 2015-05-29 Roman Barankov , Jerome Mertz

Diffuse optical imaging (DOI) offers valuable insights into scattering mediums, but the quest for high-resolution imaging often requires dense sampling strategies, leading to higher imaging errors and lengthy acquisition times. This work…

光学 · 物理学 2025-04-07 Ben Wiesel , Shlomi Arnon

There are a multitude of emerging imaging technologies that could benefit robotics. However the need for bespoke models, calibration and low-level processing represents a key barrier to their adoption. In this work we present NOCaL, Neural…

机器人学 · 计算机科学 2022-10-19 Ryan Griffiths , Jack Naylor , Donald G. Dansereau

Forward-viewing endoscopic optical coherence tomography (OCT) provides 3D imaging in vivo, and can be combined with widefield fluorescence imaging by use of a double-clad fiber. However, it is technically challenging to build a…

Pre-trained encoders are general-purpose feature extractors that can be used for many downstream tasks. Recent progress in self-supervised learning can pre-train highly effective encoders using a large volume of unlabeled data, leading to…

密码学与安全 · 计算机科学 2022-07-21 Yupei Liu , Jinyuan Jia , Hongbin Liu , Neil Zhenqiang Gong

The ability to engineer the spatial wavefunction of photons has enabled a variety of quantum protocols for communication, sensing, and information processing. These protocols exploit the high dimensionality of structured light enabling the…