中文
相关论文

相关论文: Improving Holographic Search Algorithms using Sort…

200 篇论文

Holographic Predictive Search (HPS) is a novel approach to search-based hologram generation that uses a mathematical understanding of the optical transforms to make informed optimisation decisions. Existing search techniques such as Direct…

图像与视频处理 · 电气工程与系统科学 2020-08-26 Peter J. Christopher , Ralf Mouthaan , George S. D. Gordon , Timothy D. Wilkinson

We present a novel algorithm for generating high quality holograms for Computer Generated Holography - Holographic Predictive Search. This approach is presented as an alternative to traditional Holographic Search Algorithms such as Direct…

图像与视频处理 · 电气工程与系统科学 2020-08-27 Peter J. Christopher , Youchao Wang , Timothy D. Wilkinson

To minimize data movement, state-of-the-art parallel sorting algorithms use techniques based on sampling and histogramming to partition keys prior to redistribution. Sampling enables partitioning to be done using a representative subset of…

分布式、并行与集群计算 · 计算机科学 2019-04-30 Vipul Harsh , Laxmikant Kale , Edgar Solomonik

Holographic search algorithms such as direct search and simulated annealing allow high-quality holograms to be generated at the expense of long execution times. This is due to single iteration computational costs of $O(N_x N_y)$ and number…

On-chip holographic video is a convenient way to monitor biological samples simultaneously at high spatial resolution and over a wide field-of-view. However, due to the limited readout rate of digital detector arrays, one often faces a…

光学 · 物理学 2016-12-08 Donghun Ryu , Zihao Wang , Kuan He , Roarke Horstmeyer , Oliver Cossairt

An accurate predictor is crucial for histogram-shifting (HS) based reversible data hiding methods. The embedding capacity is increased and the embedding distortion is decreased simultaneously if the predictor can generate accurate…

多媒体 · 计算机科学 2015-07-30 Xiaochao Qu , Suah Kim , Run Cui , Hyoung Joong Kim

This paper presents a histogram based reversible data hiding (RDH) scheme, which divides image pixels into different cell frequency bands to sort them for data embedding. Data hiding is more efficient in lower cell frequency bands because…

图像与视频处理 · 电气工程与系统科学 2020-10-19 Ammar Mohammadi , Mansour Nakhkash

Targeting at depicting land covers with pixel-wise semantic categories, semantic segmentation in remote sensing images needs to portray diverse distributions over vast geographical locations, which is difficult to be achieved by the…

图像与视频处理 · 电气工程与系统科学 2022-10-05 Kunping Yang , Xin-Yi Tong , Gui-Song Xia , Weiming Shen , Liangpei Zhang

Hardware distortions (HWD) render drastic effects on the performance of communication systems. They are recently proven to bear asymmetric signatures; and hence can be efficiently mitigated using improper Gaussian signaling (IGS), thanks to…

信号处理 · 电气工程与系统科学 2020-09-14 Sidrah Javed , Ahmed Elzanaty , Osama Amin , Basem Shihada , Mohamed-Slim Alouini

Series photo selection (SPS) is an important branch of the image aesthetics quality assessment, which focuses on finding the best one from a series of nearly identical photos. While a great progress has been observed, most of the existing…

计算机视觉与模式识别 · 计算机科学 2022-03-21 Jin Huang , Lu Zhang , Yongshun Gong , Jian Zhang , Xiushan Nie , Yilong Yin

We present a method for speckle holography that is optimised for crowded fields. Its two key features are an iterativ improvement of the instantaneous Point Spread Functions (PSFs) extracted from each speckle frame and the (optional)…

天体物理仪器与方法 · 物理学 2015-05-30 R. Schoedel , S. Yelda , A. Ghez , J. H. V. Girard , L. Labadie , R. Rebolo , A. Perez-Garrido , M. R. Morris

We consider convex optimization problems with a possibly nonsmooth objective function in the form of a mathematical expectation. The proposed framework (AN-SPS) employs Sample Average Approximations (SAA) to approximate the objective…

最优化与控制 · 数学 2024-10-31 Nataša Krklec Jerinkić , Tijana Ostojić

We propose a new hologram representation based on structured complex-valued 2D Gaussian primitives, which replaces per-pixel information storage and reduces the parameter search space by up to 10:1. To enable end-to-end training, we develop…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Yicheng Zhan , Xiangjun Gao , Long Quan , Kaan Akşit

Particle size measurement based on digital holography with conventional algorithms are usually time-consuming and susceptible to noises associated with hologram quality and particle complexity, limiting its usage in a broad range of…

应用物理 · 物理学 2020-01-01 Siyao Shao , Kevin Mallery , Jiarong Hong

The conventional high-level sensing techniques require high-fidelity images as input to extract target features, which are produced by either complex imaging hardware or high-complexity reconstruction algorithms. In this letter, we propose…

图像与视频处理 · 电气工程与系统科学 2020-06-24 Hao Fu , Liheng Bian , Jun Zhang

Common-path digital in-line holography is considered as a valuable 3D diagnostic techniques for a wide range of applications. This configuration is cost effective and relatively immune to variation in the experimental environment.…

仪器与探测器 · 物理学 2016-01-20 Nicolas Verrier , Corinne Fournier , Anthony Cazier , Thierry Fournel

Stochastic texture filtering (STF) has re-emerged as a technique that can bring down the cost of texture filtering of advanced texture compression methods, e.g., neural texture compression. However, during texture magnification, the swapped…

图形学 · 计算机科学 2025-04-09 Bartlomiej Wronski , Matt Pharr , Tomas Akenine-Möller

In high-dimensional data settings where $p\gg n$, many penalized regularization approaches were studied for simultaneous variable selection and estimation. However, with the existence of covariates with weak effect, many existing variable…

统计方法学 · 统计学 2016-03-24 Xiaoli Gao , S. E. Ahmed , Yang Feng

This work describes a novel approach to time-multiplexed holographic projection on binary phase devices. Unlike other time-multiplexed algorithms where each frame is the inverse transform of independently modified target images,…

图像与视频处理 · 电气工程与系统科学 2020-08-27 Peter J. Christopher , Ralf Mouthaan , Vamsee Bheemireddy , Timothy D. Wilkinson

Single-pixel imaging (SPI) is very popular in subsampling applications, but the random measurement matrices it typically uses will lead to measurement blindness as well as difficulties in calculation and storage, and will also limit the…

图像与视频处理 · 电气工程与系统科学 2022-03-10 Wen-Kai Yu , Chong Cao , Ying Yang , Ning Wei , Shuo-Fei Wang , Chen-Xi Zhu
‹ 上一页 1 2 3 10 下一页 ›