Filters








8,468 Hits in 5.8 sec

Color Texture Modeling and Color Image Decomposition in a Variational-PDE Approach

Luminita Vese, Stanley Osher
2006 2006 Eighth International Symposium on Symbolic and Numeric Algorithms for Scientific Computing  
This paper is devoted to a new variational model for color texture modeling and color image decomposition into cartoon and texture.  ...  Examples for color image decomposition, color image denoising, and color texture discrimination and segmentation will be presented.  ...  In order to better extract both the u component in BV and the v component as an oscillating function (texture or noise) from f , Meyer [24] proposes the use for v of a space of functions, which is in  ... 
doi:10.1109/synasc.2006.24 dblp:conf/synasc/VeseO06 fatcat:wdrmwshppneorenxjeblikthoy

An improved segementation approach for skin lesion classification

Sabri Abdelouahed, Youssef Filali, Abdellah Aarab
2019 Statistics, Optimization and Information Computing  
The geometrical component will be used in the segmentation stage and the texture component in features extraction.  ...  The proposed approach consists on a pre-processing based on multiscale decomposition thats separate the input image into two components.  ...  The idea proposed is to use a multi-scale decomposition model to separately extract the texture and the object into components and then to process each of them individually.  ... 
doi:10.19139/soic.v7i2.533 fatcat:ivphawammbanxa6q4kb2rnj6ty

Early Detection and Classification Approach for Plant Diseases based on MultiScale Image Decomposition

Assia Ennouni, Noura Ouled Sihamman, My Abdelouahed Sabri, Abdellah Aarab
2021 Journal of Computer Science  
Then texture, color, vein and shape features are extracted and merged in a feature vector using the codebook method.  ...  The TV-L 1 Total variation model is adopted to separate the original image into texture and object components. Segmentation will be done only on the object component.  ...  Acknowledgment We would like to express our gratitude and thank you to the laboratories LISAC and LESSI and the Faculty of Sciences, University Sidi Mohamed Ben Abdellah, Fez, Morocco for the funding and  ... 
doi:10.3844/jcssp.2021.284.295 fatcat:l6qo5l36vngybkks4hxhngxbgu

Segmentation-Based PolSAR Image Classification Using Visual Features: RHLBP and Color Features

Jian Cheng, Yaqi Ji, Haijun Liu
2015 Remote Sensing  
In the classification step, the color features extracted from false color images are applied to improve the classification accuracy.  ...  A segmentation-based fully-polarimetric synthetic aperture radar (PolSAR) image classification method that incorporates texture features and color features is designed and implemented.  ...  Acknowledgments This work was supported by the National Natural Science Foundation of China (61201271), the Fundamental Research Funds for the Central Universities (ZYGX2013J019), the Science and Technology  ... 
doi:10.3390/rs70506079 fatcat:dpirnh4bc5dvniizgn3bdm54qi

Extracting Filaments Based on Morphology Components Analysis from Radio Astronomical Images

M. Zhu, W. Liu, B. Y. Wang, M. F. Zhang, W. W. Tian, X. C. Yu, T. H. Liang, D. Wu, D. Hu, F. Q. Duan
2019 Advances in Astronomy  
In order to solve this problem, we applied morphology components analysis (MCA) to process each singe spatial scale image and proposed a filaments extraction algorithm based on MCA.  ...  ., stars, which makes it difficult to separate them. In order to extract filaments, A. Men'shchikov proposed a method "getfilaments" to find filaments automatically.  ...  (a) Un-colored extracted filament. Noises are removed, and filament's structures are retained. (b) Colored extracted filament.  ... 
doi:10.1155/2019/2397536 fatcat:moy4t3dqzbgj7lvjv4mcxgqxwi

Design of Artistic Creation Style Extraction Model Based on Color Feature Data

Wenting Yao, Mishal Sohail, Naeem Jan
2022 Mathematical Problems in Engineering  
In order to improve the style extraction and extraction ability of works of art, a color extraction method based on color features is proposed.  ...  automatic rendering of art color extraction to improve art graphics' color visual feature expression ability.  ...  Color feature segmentation and texture information feature extraction of works of art are used to create three-dimensional extraction. e RGB color feature decomposition approach is utilized to extract  ... 
doi:10.1155/2022/4811191 fatcat:76b4kbrwyfh7fmvl66rgpwgche

Compressed sensing image restoration algorithm based on improved SURF operator

Guodong Zhou, Huailiang Zhang, Raquel Martínez Lucas
2018 Open Physics  
A compressed sensing image restoration model is obtained by using Schatten-p norm, and image color supplement is performed on the model.  ...  The SURF feature vector set of the image is extracted, and the vector set data is reduced into a single high-dimensional feature vector by using a histogram algorithm, and then the image HSV color histogram  ...  This method can e ectively improve the quality of the image, but the reconstruction e ect is poor. Methods . SURF feature vector extraction and image color feature extraction . .  ... 
doi:10.1515/phys-2018-0124 fatcat:o6g7725sknhw5bqio43pjbpdyq

A comparative analysis of various approaches used for feature extraction in content based image retrieval

Vanita Rani, Er.Sumeet Kaur
2016 International Journal of Advanced Research  
Mainly extracted features are: texture, shape, and color, for image retrieval.  ...  [7] Texture feature extraction:-There are some techniques for texture feature extraction.  ... 
doi:10.21474/ijar01/1154 fatcat:g5uztqsdjnd2joaakyqu2fruz4

Hybrid Feature based Natural Scene Classification using Neural Network

Deepika Gupta, Ajay Kumar Singh, Deepa Kumari, Raina Raina
2012 International Journal of Computer Applications  
Here we have extracted wavelet and color features from a captured natural image to classify out of three groups.  ...  In this paper a classification for natural images is proposed using hybrid features.  ...  Color is the most important property so performance of such methods can be improved by adding the color information, especially when dealing with real world images [7] .  ... 
doi:10.5120/5629-7977 fatcat:v6yvizqutvhhzcbccjmpjlk3vq

Integrating Color Features in Polarimetric SAR Image Classification

Stefan Uhlmann, Serkan Kiranyaz
2014 IEEE Transactions on Geoscience and Remote Sensing  
It is a common practice to visualize PolSAR data by color coding methods and thus, it is possible to extract powerful color features from such pseudocolor images so as to provide additional data for a  ...  Polarimetric synthetic aperture radar (PolSAR) data are used extensively for terrain classification applying SAR features from various target decompositions and certain textural features.  ...  ACKNOWLEDGMENT The authors would like to thank anonymous reviewers for their help, useful comments, and contribution to this paper's improvement.  ... 
doi:10.1109/tgrs.2013.2258675 fatcat:s4imvqz4ojcjtcx7vfdqhfbgky

The Heeger & Bergen Pyramid Based Texture Synthesis Algorithm

Thibaud Briand, Jonathan Vacher, Bruno Galerne, Julien Rabin
2014 Image Processing On Line  
The demo permits to upload a color image to extract a subimage and to run the texture synthesis algorithm on this subimage.  ...  The algorithm available in the demo is a slightly improved version treating non-periodic textures by a "periodic+smooth" decomposition [13] .  ...  principal component (c) 2nd principal component (d) 3rd principal component Figure 8 : 8 PCA channels of a color texture (for visualization, the mean color of the texture is added to each component).  ... 
doi:10.5201/ipol.2014.79 fatcat:2ledcyid3nfhpdff2zmdsjiroe

NLHD: A Pixel-Level Non-Local Retinex Model for Low-Light Image Enhancement [article]

Hao Hou, Yingkun Hou, Yuxuan Shi, Benzheng Wei, Jun Xu
2021 arXiv   pre-print
We also develop a local noise level estimation based noise suppression method and a non-local saturation reduction based color deviation correction method.  ...  Retinex model has been applied to low-light image enhancement in many existing methods. More appropriate decomposition of a low-light image can help achieve better image enhancement.  ...  Low-Rank Regularized Retinex Model (LR3M) [14] suppresses the noise in the reflectance component by adding a low-rank constraint into the decomposition model but misses enough details from the illumination  ... 
arXiv:2106.06971v2 fatcat:b7ljkij5xzfl5p4yyhjpdawub4

Color Edge Detection using the Normalization Anisotropic Gaussian Kernel and Multichannel Fusion

Dongyun Wang, Jiawei Yin, Chu Tang, Xiaojun Cheng, Bingzao Ge
2020 IEEE Access  
A. THE DECOMPOSITION OF COLOR IMAGE AND MODELING OF IDEAL STEP EDGES A color image consists of R, G, B components in RGB model, and consists of H, S, V components in HSV model.  ...  Therefore, it is necessary to propose a color edge detector with low sensitivity to noise while improved the computation efficiency.  ... 
doi:10.1109/access.2020.3044341 fatcat:jckehplqpfdkvdclw5no3er2xa

On Detection Method of Wheat Quality Based on Image Processing and Support Vector Machine

2016 Revista de la Facultad de Ingeniería  
Then, the author establishes a linear parameter classification and recognition model and BP neural network classification model for wheat quality.  ...  does; texture feature has little to do with wheat grade.  ...  Extraction of color and texture feature parameters The color of the image is extracted based on the RGB model.  ... 
doi:10.21311/002.31.7.05 fatcat:jhuo5nmksbhaph7rdi6kc2okba

Texture modulation-constrained image decomposition

Georgios Evangelopoulos, Petros Maragos
2008 2008 15th IEEE International Conference on Image Processing  
The general formulation leads to a u + Kv model of K + 1 image components, with multiple texture subcomponents.  ...  Relevant to the texture image part information is reconstructed using modulation modeling and component selection.  ...  The scheme has been applied to content-oriented component processing, e.g. improved edge detection from u (shown in Fig. 4 ), image restoration (shown for an ancient wallpainting in Fig. 5 ), texture  ... 
doi:10.1109/icip.2008.4711874 dblp:conf/icip/EvangelopoulosM08 fatcat:wrbwfxg645dwdj6s5vsvt4h7be
« Previous Showing results 1 — 15 out of 8,468 results