Image denoising via l1 norm regularization over adaptive dictionary

... developing an efficient image denoising method that is adaptive to image contents The basic idea is to learn a dictionary from the given degraded image over which the image has the optimal sparse ... have developed an efficient image denoising method that is adaptive to image contents The basic idea is to learn a dictionary from the given degraded image over whic...

Ngày tải lên: 09/10/2015, 11:06

... F, but also the correlation between text features W and image features F Therefore, the auxiliary socially-annotated image data can be used to help the target image clustering performance by ... (Hofmann, 2001) to image analysis (Sivic et al., 2005) 2.2 Other Works in Transfer Learning In the past, several other works made use of transfer learning for cross-feature...

Ngày tải lên: 08/03/2014, 00:20

... noise reduction The conception of the noise image: The noise image is the phenomenon which the random image points of the images are effected by outside factors Therefore, they’ll creat image points ... chart, there are some top expressing the objects of the image The documentary image has top The first top will express characters, the other will express the...

Ngày tải lên: 12/04/2014, 15:39

... effects, and the proposed wavelet-based fusion method performs better than the other three existing fusion methods Conclusions The fusion of multimodal medical images plays an important role in many ... L Zhang, and P F Yan, Medical image fusion by wavelet transform modulus maxima,” Optics Express, vol 9, no 4, pp 184–190, 2001 [28] S Garg, K U Kiran, R Mohan, and U S Tiwary,...

Ngày tải lên: 21/06/2014, 18:20

... AES, in which the Slepian-Wolf coder takes the twofold role of compression step and diffusion step for security The last two papers are in the field of secure entropy coding, and address the design ... Journal on Information Security problem of security in a distributed video coding framework, where the correlation of adjacent frames is exploited at the decoder, as...

Ngày tải lên: 21/06/2014, 22:20

... follows: Y=X+V (13) Here Y is wavelet transform of the noisy degraded image, X is wavelet transform of the original image and V denotes the wavelet transform of the noise components in Gaussian ... the value of β is substituted by N log  k  2  βN = 2×k (28) Here N/2k is the length of the sub-band at scale k The image denoising algorithms that use...

Ngày tải lên: 24/06/2015, 08:16

... Ultrasound Image Denoising using an Alpha- Stable Prior Probability Model 4.1 Problem Formulation 4.2 Alpha- Stable Modeling of Ultrasound Wavelet Coefficients 4.3 A Bayesian ... state-of-the-art methods using simulated as well as real images The improvement is quantified using different quality measures The methods proposed in Chapters and can be easily adapted for the p...

Ngày tải lên: 13/11/2015, 04:33

... this article as: Wang et al.: A scale-based forward -and- backward diffusion process for adaptive image enhancement and denoising EURASIP Journal on Advances in Signal Processing 2011 2011:22 Page ... camera and tripod This example clearly illustrates that the scale-based classification map readily indicate locations of highly homogeneous, detail and edge regions 3.2...

Ngày tải lên: 21/06/2014, 02:20

... mixture of three 512 × 512 image signals, where sj and x1j stand for the j -th original images and mixed images, respectively, and y1 the image extracted by the extraction processing unit shown in ... Blind and Semi-Blind Signal Processing 1.2.1 Biomedical Signal Processing 1.2.2 Blind Separation of Electrocardiographic Signals of Fetus and Mother 1.2.3 Enhancement an...

Ngày tải lên: 10/12/2013, 14:15

... 1: An example of question with incomplete answer problem from Yahoo! Answers The “best answer seems to miss valuable information and will not be ideal for re-use when similar question is asked ... complex multi-sentence question as a question with the following properties: Definition: A complex multi-sentence question is one that contains multiple sub-questions In the cQ...

Ngày tải lên: 07/03/2014, 18:20

... the other string Summing over alignment scores in all positions in E, we obtain the total score of an alignment A: f (A) = fi (δi (A)), (3) i∈E which is again, monotone submodular By diminishing ... framework where word alignment is framed as submodular maximization subject to matroid constraints Our framework extends previous matching-based frameworks in two respects: submodul...

Ngày tải lên: 23/03/2014, 16:20

... Journal of Science, Mathematics - Physics 23 (2007) 55-62 Conclusion Applying Wavelet for image compression can improve the compression ratio, the quality of reproducing image Using Wavelet image compression, ... models of the controlled system and control theoretic tools The control algorithm is encapsulated as a set of commonsense rules Fuzzy logic control has b...

Ngày tải lên: 28/03/2014, 13:20

... likely relation k is for each segment, with one null outcome for the relation not occurring in the document Because λk is shared within a relation, its In this paper we focus on unary relations; ... independently conditioned on relation structure For a word w, we want all relations to be able to influence its generation Toward 533 Inference with Constraints 4.1 Inference with Pos...

Ngày tải lên: 30/03/2014, 21:20

... main emphasis is on two specific adaptive imageprocessing systems and their associated algorithms: the adaptive image- restoration algorithm and the adaptive edge-characterization Adaptive image ... considered as a particular implementation of the stages of segmentation and characterization in the overall adaptive image- processing scheme, it can also be regarded as a self-co...

Ngày tải lên: 05/06/2014, 12:06

... as: Mukhtar et al.: An occupancy-based and channelaware multi-level adaptive scheme for video communications over wireless channels EURASIP Journal on Wireless Communications and Networking 2011 ... complex and allows real time adjustment of video frame sizes Video streaming performance was studied for the three main ARQ schemes, Stop -and- Wait, Go-back-N,...

Ngày tải lên: 20/06/2014, 21:20