中文
相关论文

相关论文: Snapshot Ptychography on Array cameras

200 篇论文

We develop a lensless compressive imaging architecture, which consists of an aperture assembly and a single sensor, without using any lens. An anytime algorithm is proposed to reconstruct images from the compressive measurements; the…

计算机视觉与模式识别 · 计算机科学 2015-08-17 Xin Yuan , Hong Jiang , Gang Huang , Paul Wilford

We present a controllable camera simulator based on deep neural networks to synthesize raw image data under different camera settings, including exposure time, ISO, and aperture. The proposed simulator includes an exposure module that…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Hao Ouyang , Zifan Shi , Chenyang Lei , Ka Lung Law , Qifeng Chen

One impressive advantage of convolutional neural networks (CNNs) is their ability to automatically learn feature representation from raw pixels, eliminating the need for hand-designed procedures. However, recent methods for single image…

计算机视觉与模式识别 · 计算机科学 2016-07-27 Yifan Wang , Lijun Wang , Hongyu Wang , Peihua Li

Hyperspectral imaging is an important tool having been applied in various fields, but still limited in observation of dynamic scenes. In this paper, we propose a snapshot hyperspectral imaging technique which exploits both spectral and…

仪器与探测器 · 物理学 2018-12-26 Chao Deng , Xuemei Hu , Jinli Suo , Yuanlong Zhang , Zhili Zhang , Qionghai Dai

Despite recent progress, computational visual aesthetic is still challenging. Image cropping, which refers to the removal of unwanted scene areas, is an important step to improve the aesthetic quality of an image. However, it is challenging…

计算机视觉与模式识别 · 计算机科学 2018-01-16 Guanjun Guo , Hanzi Wang , Chunhua Shen , Yan Yan , Hong-Yuan Mark Liao

A scanning pixel camera is a novel low-cost, low-power sensor that is not diffraction limited. It produces data as a sequence of samples extracted from various parts of the scene during the course of a scan. It can provide very detailed…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Yusuf Duman , Jean-Yves Guillemaut , Simon Hadfield

Real-time path tracing increasingly operates under extremely low sampling budgets, often below one sample per pixel, as rendering complexity, resolution, and frame-rate requirements continue to rise. While super-resolution is widely used in…

图形学 · 计算机科学 2026-02-10 Martin Bálint , Corentin Salaün , Hans-Peter Seidel , Karol Myszkowski

Due to the current lack of large-scale datasets at the million-scale level, tasks involving panoramic images predominantly rely on existing two-dimensional pre-trained image benchmark models as backbone networks. However, these networks are…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Jingguo Liu , Han Yu , Shigang Li , Jianfeng Li

Light field photography has been studied thoroughly in recent years. One of its drawbacks is the need for multi-lens in the imaging. To compensate that, compressed light field photography has been proposed to tackle the trade-offs between…

计算机视觉与模式识别 · 计算机科学 2019-02-22 Ofir Nabati , David Mendlovic , Raja Giryes

Synthetic apertures find applications in many fields, such as radar, radio telescopes, microscopy, sonar, ultrasound, LiDAR, and optical imaging. They approximate the signal of a single hypothetical wide aperture sensor with either an array…

图形学 · 计算机科学 2019-06-18 Indrajit Kurmi , David C. Schedl , Oliver Bimber

The Compressive Sensing (CS) as a novel acquisition approach that finds its usage in image processing. The hypothesis like this one assures signal recovery with high quality from decreased number of samples compared with the number required…

信号处理 · 电气工程与系统科学 2019-03-06 Drazen Jelic , Ana Scekic , Melvudin Hot , Nemanja Sevaljevic

A rapidly increasing portion of Internet traffic is dominated by requests from mobile devices with limited- and metered-bandwidth constraints. To satisfy these requests, it has become standard practice for websites to transmit small and…

计算机视觉与模式识别 · 计算机科学 2018-12-10 Shumeet Baluja , Dave Marwood , Nick Johnston , Michele Covell

We present an approach to enhancing the realism of synthetic images. The images are enhanced by a convolutional network that leverages intermediate representations produced by conventional rendering pipelines. The network is trained via a…

计算机视觉与模式识别 · 计算机科学 2021-05-12 Stephan R. Richter , Hassan Abu AlHaija , Vladlen Koltun

X-ray ptychography is a data-intensive imaging technique expected to become ubiquitous at next-generation light sources delivering many-fold increases in coherent flux. The need for real-time feedback under accelerated acquisition rates…

Image restoration, including image denoising, super resolution, inpainting, and so on, is a well-studied problem in computer vision and image processing, as well as a test bed for low-level image modeling algorithms. In this work, we…

计算机视觉与模式识别 · 计算机科学 2016-08-31 Xiao-Jiao Mao , Chunhua Shen , Yu-Bin Yang

Fourier ptychography is a recently developed imaging approach for large field-of-view and high-resolution microscopy. Here we model the Fourier ptychographic forward imaging process using a convolution neural network (CNN) and recover the…

计算机视觉与模式识别 · 计算机科学 2018-03-12 Shaowei Jiang , Kaikai Guo , Jun Liao , Guoan Zheng

Image restoration is a low-level vision task, most CNN methods are designed as a black box, lacking transparency and internal aesthetics. Although some methods combining traditional optimization algorithms with DNNs have been proposed, they…

计算机视觉与模式识别 · 计算机科学 2025-08-27 Xiao Feng Zhang , Chao Chen Gu , Shan Ying Zhu

Single-pixel compressive imaging can recover images from a small amount of measurements, offering many benefits especially for the scenes where the array detection is unavailable. However, the widely used random patterns fail to explore…

图像与视频处理 · 电气工程与系统科学 2019-11-26 Wen-Kai Yu , Yi-Ming Liu

We consider using the system's optical imaging process with convolutional neural networks (CNNs) to solve the snapshot hyperspectral imaging reconstruction problem, which uses a dual-camera system to capture the three-dimensional…

图像与视频处理 · 电气工程与系统科学 2022-04-06 Hui Xie , Zhuang Zhao , Jing Han , Yi Zhang , Lianfa Bai , Jun Lu

This paper presents a novel approach to increase the performance bounds of image steganography under the criteria of minimizing distortion. The proposed approach utilizes a steganalysis convolutional neural network (CNN) framework to…

多媒体 · 计算机科学 2017-11-08 Mehdi Sharifzadeh , Chirag Agarwal , Mohammed Aloraini , Dan Schonfeld