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SIFT openCL feature extraction

Application backgroundThe exact definition of features is often determined by the type of problem or application. Feature is the "interesting" part of a digital image, which is the starting point of many computer image analysis algorithms. Therefore, the success of an algorithm is often determined b...

CUDA on GPU kMeans

Application backgroundCUDA on the kMeans to achieve GPU, a cluster analysis.We often come into contact with the clustering analysis. It is a common practice to extract N features, and then put them together to form a N vector, so that a mapping from the original data set to a N dimensional vector sp...

Convert color images to grayscale images in the OpenMP+Cuda accelerated video, extraction of video image edge

Objective: to speed up video converting color images to grayscale images, extraction of edges in video images. Development environment: Windows 8.1 x64 OS   vs2012 cuda5.5  opencv2.4.8 hardware:NVIDIA  GeForce GT 740M, 4G RAM, Intel (r) Core (TM) i5-4200MCPU @2.50GHz need to conf...

JAVA multi-threaded parallel computing algorithm for sorting binary insertion

Application backgroundParallel computing is a new technology, but the code for parallel computing is not particularly popular. This article is about the parallel binary insertion sort computing applications, hope to help you learn.Key TechnologyParallel computing, multi thread, binary insertion sort...

HADOOP3 development tutorial

Hadoop is the Apache open source project, the main objective of development is to build reliable, scalable scalable, distributed system, Hadoop is the sum of a series of subprojects that contain. 1. the Hadoop common: for other projects to provide the infrastructure 2. the HDFS: a distri...

mpi4py example of parallel successive over-relaxation

This is example how to solve  linear system of equations with the successive over-relaxation (SOR) method,  using python library mpi4py. Algorithm try to divide computations between nodes equally. This program can  be run on clusters. ...


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