نتایج جستجو برای: information processing pyramid

تعداد نتایج: 1542641  

2015
Rahul Jha Catherine Finegan-Dollak Ben King Reed Coke Dragomir R. Radev

We present a new factoid-annotated dataset for evaluating content models for scientific survey article generation containing 3,425 sentences from 7 topics in natural language processing. We also introduce a novel HITS-based content model for automated survey article generation called HITSUM that exploits the lexical network structure between sentences from citing and cited papers. Using the fac...

2010
Martin Kraus

Scripting languages require the use of high-level library functions to implement efficient image processing; thus, real-time image blur in web-based applications is a challenging task unless specific library functions are available for this purpose. We present a pyramid blur algorithm, which can be implemented using a subimage copy function, and evaluate its performance with various web browser...

1995
H. Greenspan M.-C. Lee

An investigation into the combining of image-processing schemes, specifically an image enhancement scheme, with existing compression schemes is discussed. Results are presented on the pyramid coding scheme, the subband coding scheme, and progressive transmission. Encouraging results are demonstrated for the combination of image enhancement and pyramid image coding schemes, especially at low bit...

1997
M Fleury H Sava A C Downton

Recently a number of generalised parallel compu tation models have emerged for example McColl E orts also persist Rinard et al to t the serial model of processing to parallel hard ware The demise of the transputer and the world wide retrenchment in the computer industry P ster have added impetus to the search for one universal programming model Image processing can be viewed as a data reduction...

2011
S. Mythili

In this paper, a novel idea is proposed for fabric defect detection. Defects are detected in the fabric using steerable pyramid along with a defect detection algorithm. Various steerable pyramid of four size 256*256, 128*128, 64*64, 32*32 and with four orientation bands 0,45, 90, 135 are used. Utilizing a Steerable pyramid proved adequate in the representation of fabric images in multi-scale an...

2016
Toshiaki Yamanouchi Nahomi Maki Kazuhisa Yanaka

The simple aerial display system called holographic pyramid has been eliciting much attention recently. However, the image that appears to be floating in the pyramid has no depth information because it is merely a virtual image of a 2D image displayed on a flat-panel display and reflected at the surface of a transparent board of the pyramid. Therefore, we propose a new holographic pyramid syste...

2016
Shraddha Gupta Sanjay Sharma

Linear contrast enhancement, conjointly referred to as a contrast stretching, linearly expands the original digital values of the remotely detected data into a new distribution. By increasing the original input values of the image, the entire range of sensitivity of the display device is used. Linear contrast enhancement conjointly makes refined variations among the information more obvious. Th...

2003
Michaël Roy Sebti Foufou Andreas Koschan Frédéric Truchetet Mongi Abidi

The concept of multiresolution analysis applied to irregular meshes has become more and more important. Previous contributions proposed a variety of methods using simplification and/or subdivision algorithms to build a mesh pyramid. In this paper, we propose a multiresolution analysis framework for irregular meshes with attributes. Our framework is based on simplification and subdivision algori...

Journal: :Annales UMCS, Informatica 2008
Piotr Kopniak

This paper describes a new steganography algorithm based on a steerable pyramid transform of a digital image and the steganalysis of the existence of secret messages hidden by this new method. The data embedding process uses the elements of a Lee and Chen steganography algorithm which is adapted to the steerable pyramid transform domain. This article describes the Fisher Linear Disriminant (FLD...

1994
Roberto Rinaldo Giancarlo Calvagno

In this work, we propose a hybrid vector quantization scheme for general images that aims at exploiting similarities among detail signals in a multiresolution decomposition of the image. In a multiresolution decomposition, the image is decomposed into a set of subbands which are localized in scale, orientation and space. Our coding scheme consists of dividing each subimage of the multiresolutio...

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