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Advancements in deep learning have ignited an explosion of research on efficient hardware for embedded computer vision. Hardware vision acceleration, however, does not address the cost of capturing and processing the image data that feeds…

计算机视觉与模式识别 · 计算机科学 2017-08-03 Mark Buckler , Suren Jayasuriya , Adrian Sampson

Image signal processors (ISPs) are historically grown legacy software systems for reconstructing color images from noisy raw sensor measurements. They are usually composited of many heuristic blocks for denoising, demosaicking, and color…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Matheus Souza , Wolfgang Heidrich

Deep learning-based single image super-resolution (SISR) approaches have drawn much attention and achieved remarkable success on modern advanced GPUs. However, most state-of-the-art methods require a huge number of parameters, memories, and…

图像与视频处理 · 电气工程与系统科学 2022-08-25 Ziwei Luo , Youwei Li , Lei Yu , Qi Wu , Zhihong Wen , Haoqiang Fan , Shuaicheng Liu

As the revolutionary improvement being made on the performance of smartphones over the last decade, mobile photography becomes one of the most common practices among the majority of smartphone users. However, due to the limited size of…

图像与视频处理 · 电气工程与系统科学 2020-09-15 Linhui Dai , Xiaohong Liu , Chengqi Li , Jun Chen

Smartphone cameras have gained immense popularity with the adoption of high-resolution and high-dynamic range imaging. As a result, high-performance camera Image Signal Processors (ISPs) are crucial in generating high-quality images for the…

Conventional image signal processing (ISP) frameworks are designed to reconstruct an RGB image from a single raw measurement. As multi-camera systems become increasingly popular these days, it is worth exploring improvements in ISP…

图像与视频处理 · 电气工程与系统科学 2022-11-16 Ahmad Bin Rabiah , Qi Guo

Mobile-phones have facilitated the creation of field-portable, cost-effective imaging and sensing technologies that approach laboratory-grade instrument performance. However, the optical imaging interfaces of mobile-phones are not designed…

Object detection in low-light conditions remains a challenging but important problem with many practical implications. Some recent works show that, in low-light conditions, object detectors using raw image data are more robust than…

计算机视觉与模式识别 · 计算机科学 2022-05-10 Igor Morawski , Yu-An Chen , Yu-Sheng Lin , Shusil Dangi , Kai He , Winston H. Hsu

Real-time low-light image enhancement on mobile and embedded devices requires models that balance visual quality and computational efficiency. Existing deep learning methods often rely on large networks and labeled datasets, limiting their…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Guangrui Bai , Hailong Yan , Wenhai Liu , Yahui Deng , Erbao Dong

Perceptual image compression has shown strong potential for producing visually appealing results at low bitrates, surpassing classical standards and pixel-wise distortion-oriented neural methods. However, existing methods typically improve…

图像与视频处理 · 电气工程与系统科学 2025-02-21 Hao Wei , Yanhui Zhou , Yiwen Jia , Chenyang Ge , Saeed Anwar , Ajmal Mian

Video super-resolution is one of the most popular tasks on mobile devices, being widely used for an automatic improvement of low-bitrate and low-resolution video streams. While numerous solutions have been proposed for this problem, they…

RAW images are rarely shared mainly due to its excessive data size compared to their sRGB counterparts obtained by camera ISPs. Learning the forward and inverse processes of camera ISPs has been recently demonstrated, enabling…

图像与视频处理 · 电气工程与系统科学 2024-04-16 Woohyeok Kim , Geonu Kim , Junyong Lee , Seungyong Lee , Seung-Hwan Baek , Sunghyun Cho

In this work we apply commonly known methods of non-adaptive interpolation (nearest pixel, bilinear, B-spline, bicubic, Hermite spline) and sampling (point sampling, supersampling, mip-map pre-filtering, rip-map pre-filtering and FAST) to…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Anton Trusov , Elena Limonova

Due to the absence of more efficient diagnostic tools, the spread of mpox continues to be unchecked. Although related studies have demonstrated the high efficiency of deep learning models in diagnosing mpox, key aspects such as model…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Yubiao Yue , Xiaoqiang Shi , Li Qin , Xinyue Zhang , Jialong Xu , Zipei Zheng , Zhenzhang Li , Yang Li

The new trend of full-screen devices implies positioning the camera behind the screen to bring a larger display-to-body ratio, enhance eye contact, and provide a notch-free viewing experience on smartphones, TV or tablets. On the other…

图像与视频处理 · 电气工程与系统科学 2023-11-24 Marcos V. Conde , Florin Vasluianu , Sabari Nathan , Radu Timofte

Modern smartphone camera quality heavily relies on the image signal processor (ISP) to enhance captured raw images, utilizing carefully designed modules to produce final output images encoded in a standard color space (e.g., sRGB).…

图像与视频处理 · 电气工程与系统科学 2024-07-16 Georgy Perevozchikov , Nancy Mehta , Mahmoud Afifi , Radu Timofte

High-speed signal processing is essential for maximizing data throughput in emerging communication applications, like multiple-input multiple-output (MIMO) systems and radio-frequency (RF) interference cancellation. However, as these…

光学 · 物理学 2024-11-26 Ahmed Khaled , A. Aadhi , Chaoran Huang , Alexander N. Tait , Bhavin J. Shastri

Machine learning algorithms, in conjunction with user data, hold the promise of revolutionizing the way we interact with our phones, and indeed their widespread adoption in the design of apps bear testimony to this promise. However,…

计算机视觉与模式识别 · 计算机科学 2015-12-10 Jorge Ortiz , Chien-Chin Huang , Supriyo Chakraborty

Despite significant research on lightweight deep neural networks (DNNs) designed for edge devices, the current face detectors do not fully meet the requirements for "intelligent" CMOS image sensors (iCISs) integrated with embedded DNNs.…

计算机视觉与模式识别 · 计算机科学 2023-11-03 Haechang Lee , Wongi Jeong , Dongil Ryu , Hyunwoo Je , Albert No , Kijeong Kim , Se Young Chun

Convolutional neural networks (CNNs) are now predominant components in a variety of computer vision (CV) systems. These systems typically include an image signal processor (ISP), even though the ISP is traditionally designed to produce…

图像与视频处理 · 电气工程与系统科学 2021-03-18 Patrick Hansen , Alexey Vilkin , Yury Khrustalev , James Imber , David Hanwell , Matthew Mattina , Paul N. Whatmough