IEEE

An Efficient Point Spread Function Inversion Method for Image-Domain One-Way Wave-Equation Least-Squares Migration

Abstract: Image-domain least-squares migration (LSM) has demonstrated promising potential in enhancing the spatial resolution of migration images effectively and efficiently. However, existing ...
IEEE

Point Cloud Surface Reconstruction using Sparse Ellipsoid Radial Basis Function Neural Network

Abstract: In this paper, we propose a method of reconstructing surface from point cloud using sparse ellipsoid radial basis functions(RBFs). The experimental results ...
IEEE

A B-Spline Function Based 3D Point Cloud Flattening Scheme for 3D Fingerprint Recognition and Identification

Abstract: 3D fingerprint-based recognition and identification have several advantages compared to conventional 2D recognition systems. It is hygienic and secure due to its contactless sample ...
GitHub

Druid Extension: Exact Percentile Using Reservoir Sampling

This extension provides functionalities to calculate exact percentiles using reservoir sampling. It introduces new aggregation and SQL capabilities to support percentile computations with configurable ...
IEEE

Haawking IQmath: A mathematical function library for the fixed-point Processor

Abstract: Haawking RISC-V IQmath is a mathematical function library for C/C++ programmers to seamlessly integrate the fixed-point digital Signal Processor (DSP) chip DSC28×, greatly reducing ...
IEEE

FPGA Implementation of a Fixed-Point Arctangent Function Using Harmonized Parabolic Synthesis

Abstract: Harmonized Parabolic Synthesis (HPS) is a method that combines parabolic synthesis with seconddegree interpolation. In this work, we implement an arctangent ...
IEEE

Towards Single-Lens Controllable Depth-of-Field Imaging via Depth-Aware Point Spread Functions

Abstract: Controllable Depth-of-Field (DoF) imaging commonly produces amazing visual effects based on heavy and expensive high-end lenses. However, confronted with the increasing demand for mobile ...
IEEE

PsfDeconNet: High-Resolution Seismic Imaging Using Point-Spread Function Deconvolution With Generative Adversarial Networks

Abstract: Least-squares migration (LSM) aims to seek the best-fit solution for subsurface reflectivity with high image resolution and balanced amplitudes by minimizing the mismatching between ...