Image coding using wavelets, interval wavelets and multi layered wedgelets

... families and vanishing moments • Improved 1D signal approximation using families of new interval wavelets • Algorithm for 2D image approximation using interval wavelets • Improved wedgelet analysis using ... thesis and hence will not be dealt with On the decoding side, depending on the bandwidth or bit resources, the image is reconstructed using L1, L2 and L3 data in...

Ngày tải lên: 16/09/2015, 08:31

... times, each time using a different and randomly selected key image belonging to the desired class Comparison (Figures 11 and 12) reveals Region-Based Image Retrieval Using an Object Ontology 897 (a) ... rose and (b) red car; and dual -object queries (c) brown horse and grass and (d) bald eagle and blue sky, after the second round of relevance feedback that ev...

Ngày tải lên: 23/06/2014, 01:20

... Wavelets and Filter Banks 35. 1 Filter Banks and Wavelets Deriving Continuous-Time Bases From Discrete-Time Ones • Two-Channel Filter Banks and Wavelets • Structure of TwoChannel Filter Banks ... φ(x) and φ(x) ˇ That ψ(x) and ψ(x) have bounded support follow from (35. 20) and (35. 21) PROOF 35. 2 1) + and (2i ˇ If the filters belong to a linear phase filter...

Ngày tải lên: 25/12/2013, 06:16

... 374384 (1968) Hansen, Eldon: Interval forms of Newton's method Computing 20, 153-163 (1978) Hansen, Eldon: Global optimization using interval analysis - the one -dimension case Jour Optimiz Theo Applic ... In the former case, Y~ = X~ c~Z~ can be empty or a single interval In the latter case, can be empty, a single interval, or two intervals We now consider the lo...

Ngày tải lên: 12/01/2014, 22:02

... X ~~ and to find a global minimum if it occurs on the boundary Global Optimization Using Interval Analysis 249 The second part of the algorithm used alone would find the global minimum (or minima) ... In the former case, Y~ = X~ c~Z~ can be empty or a single interval In the latter case, can be empty, a single interval, or two intervals We now consider the logi...

Ngày tải lên: 12/01/2014, 22:17

... spectrogram distribution of the reflectometry signal (Figure 7) Our study focuses on detection and localization of transient signals which are, by definition, short in time and large band in frequency ... to detect all the transients of the signal This work about detection and localization performances represents the first step of a more complete study concerning th...

Ngày tải lên: 21/06/2014, 19:20

... MMFAGD and DS and homogeneity method and DS for the data set shown in Figure MMFD and DS Image Image Image Image Image Image Image Image Image Image 10 Image 11 Image 12 MMFAGD and DS Homogeneity and ... DS, FCM and DS and homogeneity method and DS for the data set shown in Figure HCM and DS Image Image Image Image Image Image Image Imag...

Ngày tải lên: 21/06/2014, 20:20

... use in the bit allocation and to code multiview images In this paper, we derive the distortion and present the model-based bit allocation scheme for wavelet lifting-based multiview image coding ... analyze the distortion and bit allocation of multiview test images in the experimental result Rate- Distortion Model and Bit Allocation In this sectio...

Ngày tải lên: 21/06/2014, 20:20

... , , x7 ] is defined as [5] Input image X Y k f WDCT encoder Channel Output image X g Y k WDCT decoder Figure 1: WDCT-based low bit-rate block coding using image downsampling (2n + 1)kπ xn cos ... superior compression performance for low- bit-rate applications can be achieved by using WDCT in conjunction with image downsampling-based block coding Instead of using co...

Ngày tải lên: 22/06/2014, 20:20

... pass One bit of memory at least is required for every coefficient of the image only for that purpose For a 256 × 256 × 224 hyperspectral image, counting bit of memory to flag the position of significant ... increase the proportion of zeros in each bitplane One solution is to use a signed digit representation A signed binary digit representation of a number n is a s...

Ngày tải lên: 22/06/2014, 22:20

... additional costs of object-based coding: the reduced energy compaction of the WT and the reduced coding efficiency of SPIHT that arise in the presence of regions with arbitrary shape and size, and the ... directly or indirectly, to Wavelet transform is a de facto standard in image coding, and SPIHT is one of the most efficient, simple, and flexible algorithms for...

Ngày tải lên: 22/06/2014, 22:20

... a collaborative image coding and transmission system over distributed wireless sensor network We consider exploiting both spatial and temporal correlations among the sensor images to reduce overall ... (1) Transmission operations (a) Transmit the background of the target along the route of sensor 1, sensor 2, sensor 3, and remote sensor and another route of...

Ngày tải lên: 22/06/2014, 23:20

... implement ICM-SA (as discussed by Object-Based and Semantic Image Segmentation Using MRF 837 (a) (a) Figure 1: (a) Remote sensing image and (b) nature image Lakshmanan and Derin in [6]) First, a visit ... 10, pp 939–954, 1995 [3] H Derin and H Elliott, “Modeling and segmentation of noisy and textured images using Gibbs random fields,” IEEE Trans on Pattern Analysi...

Ngày tải lên: 23/06/2014, 01:20