Quad tree
Hyper Quad Tree based K Means Clustering Algorithm for Fault Prediction
... Hyper Quad Tree-based K-Means algorithm is applied for predicting faults in a given ...Hyper Quad Trees algorithm is applied for finding the cluster centers which will be an input to the K-Means ...
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Comparision between Quad tree based K-Means and EM Algorithm for Fault Prediction
... the Quad-tree is also given as an input to the EM algorithm to get better clusters it Calculates the distance, Shuffle data points according to distance, If centroids are stable then ...
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COLOR IMAGE SEGMENTATION BASED ON QUAD TREE DECOMPOSITION AND COLOR MODEL
... [Yuan and Chen, 2009] develops an image segmentation method based on the modified edge- following scheme where different thresholds are automatically determined according to areas with varied contents in a picture, thus ...
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Offline Tamil Handwritten Character Recognition using Statistical based Quad Tree
... Antony Robert Raj, M. and S. Abirami, as features, where eight directional chain code algorithm is applied on directional features alone might not be suitable in Antony Robert Raj, M. and S. In this paper, by considering ...
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Optimizing the Search in Hierarchical Database using Quad Tree Deepak Kumar Sharma, Sonia Vatta School of Computer Science and Engineering Bahra University Waknaghat Solan, Himachal Pradesh, India
... using Quad Tree. Quad Tree is a tree which consists of a node having 4 sub child ...nodes.[1] Quad Tree is used in many fields such as computer graphics to find out a ...
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Automatic Seamless Image Mosaicing: An Approach Based on Quad-tree Technique
... In this paper, a novel, simple and self-acting approach for mosaicing of multiple split images based on quad-tree is presented. In this approach, the images are decomposed into sub images to find the ...
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Multi-GPU Implementation of 2D Shallow Water Equation Code with Block Uniform Quad-Tree Grids
... The domain subdivision is done by means of a Block Uniform Quad-Tree grid (BUQ) [6]. Our definition of BUQ relies on the notion of quadtree subdivision given in [4] with some adaptation to our specific ...
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A Secure and Robust Reversible Watermarking Algorithm using Fuzzy Matching – Quad Tree Segmentation (F QTS) Technique for Digital Images
... Fuzzy based image watermarking methods are the most important research in the area of digital security. Many researchers have presented fuzzy based watermarking approaches in [7-8, 10-12].Hiding the image within another ...
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A survey on Quad Tree based digital watermarking
... The quad tree, a hierarchical information shape for the representation of spatial data based at the precept of recursive decomposition, is broadly utilized in virtual image processing and pc ...
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Fault Prediction using Quad Tree and Expectation Maximization Algorithm
... a Quad Tree based Expectation Maximization (EM) algorithm has been applied for predicting faults in the classification of ...with quad tree for fault prediction over the existing Quad ...
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STATISTICAL BASED IMAGE COMPARISION BY QUAD TREE SEGMENTATION
... quadtree decomposition for segmenting images by texture content with application to indexing images in a large image data base, measures the closeness of the distribution of elements in[r] ...
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COMPARATIVE STUDY OF TECHNIQUES FOR IMAGE COMPRESSION
... Now a day’s image storage and transmission has become one of the biggest concerns due to shortage of storage and delay in transmission. Therefore image compression is very much needed for faster transmission and saving ...
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Pareto optimization in algebraic dynamic programming
... The moderate sizes of Pareto fronts in our applications also imply that no benefit is to be expected from using quad-tree data structures in place of our sorted list rep- resentation..[r] ...
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COMPARATIVE ANALYSIS OF JPEG COMPRESSION AND FRACTAL IMAGE COMPRESSION FOR MEDICAL IMAGES
... Forty images out of which twenty images of Magnetic Resonance Images of brain (T1 and T2 weighted) of size 256x256 of 8 bit gray scale were collected from JSS Hospital and Vikram Hospital Mysore. Discrete Cosine ...
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Fractal based Image Compression Techniques
... A quad tree partition is a representation of an image as a tree in which each node, corresponding to a square portion of the image contains four sub-nodes, corresponding to the four quadrants of the ...
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Ising models and multiresolution quad trees
... the quad-tree: four or eight on the same resolution level, combined with one or more parents and four or more children from adjacent ...our quad-tree Q 2 (o), which serves as a good ...
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SPEEDING-UP IMAGE ENCODING TIMES IN THE SPIHT ALGORITHM
... developed quad-tree analysis scheme, a number of digital images of size 256×256, characterized by different smooth- ness level, were processed, namely (Figure 3): ...Core(TM)2 Quad CPU Q8200@ ...
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Color Image Compression Based On Adaptive Spectral Transform and Coded Decision
... employed quad-tree-based partitioning of high frequency coefficients into spatially and/or directionally oriented subsets where the decisions to form the partition as well as to employ fixed or signal ...
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Compact Microstrip UWB Bandpass Filter with Quad Notched Bands Using Quad-Mode Stepped Impedance Resonator
... with quad notched bands using quad-mode stepped impedance resonator (QMSIR) is investigated in this ...Then, quad notched bands inside the UWB passband are implemented by coupling the proposed QMSIR ...
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VN3205 Quad FET array
... Supertex’s vertical DMOS FETs are ideally suited to a wide range of switching and amplifying applications where high breakdown voltage, high input impedance, low input capacitance, and[r] ...
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