[PDF] Top 20 Research on Underwater Target Detection Based on Wavelet Transform

... The result of Haar wavelet is four images, which is reduced to 1/4 of the original image(showed in figure 3). The small image in upper left corner can be regarded as the filtered result of the original image. It ... See full document

... the research of Li et ...different wavelet transforms with ker Nelsons’ extensive experimental ...of wavelet transform to propose a multi-resolution method based on improved ... See full document

... active research area in which medical image processing is a highly challenging ...stationary wavelet transform algorithm with local directional pattern and spatial frequency analysis which avoids the ... See full document

... Steganography is the art of hiding the existence of data in another transmission medium to achieve secret communication.It is the practice of concealing a file, message, image, or video within another file, message, ... See full document

... motivated research in image databases, which were nearly ignored by traditional computer systems due to the enormous amount of data necessary to represent images and the difficulty of automatically analyzing ... See full document

... mother wavelet. In this study, preferred mother wavelet is Daubechies (Db) to analyze the sample ...mother wavelet. Mathematical expression for wavelet coefficients can be determined by the ... See full document

... an underwater environment (contrary to a terrestrial one), it is difficult to recognize an object by observing its color because in the underwater medium, the colors are modified by attenuation and are not ... See full document

... several research algorithms have been developed for arrhythmia detection in ECG signals some of them are using wavelet transform, Fuzzy logic Methods, Support Vector Machines with approach ... See full document

... Tetrolet Transform achieves similar reconstruction results as compared to tensor product wavelet transform using lesser number of ...tetrolet transform also offers better results as compared ... See full document

... of target area for further analysis, we investigate target-aided SAR image intelligent compression (TAIC) system based on ...The research presented in this paper is different from others in ... See full document

... using wavelet transform to Manonmaniam Sundaranar Uni- versity, ...a Research and Development Project sanctioned by De- fense Research and Development Laboratory (DRDL), Hyderabad, and Indian ... See full document

... the wavelet-based approach and the well-known "auto-correlaction function (ACF)" is adopted to detect the periodicity of ...the detection of subband ... See full document

... Energy detection constitutes a preferred approach for spectrum sensing due to its simplicity and ease of ...energy detection technique, which is based on fixed threshold is susceptible to noise ... See full document

... Chart 1 shows percentagewise detection data of above videos using the proposed approach. True positive indicates that object is present in the frame and it is detected, false positive indicates that object is not ... See full document

... Cosine Transform (DCT) and Discrete Wavelet Transform (DWT) are used for reducing the desired number of binary digits or bits to represent the digital image by eliminating the repeated data present ... See full document

... Based on image decomposition model of wavelet transform, the original image can be divided into four areas. The area which is obtained by convolution between the image and ϕ( , ) . This area shows ... See full document

... Gokhan Ozbulak, ET. AL. [13].Age and gender are complementary soft biometric traits for face recognition. Successful estimation of age and gender from facial images taken under real-world conditions can contribute ... See full document

... and wavelet transform techniques are applied on nine object classes which are as follows: Ewer, Lamp, Stapler, Bike, Camera, Scissor, Cup and ...GLCM based recognition and classification is ... See full document

... Wavelet transform is effectively used to analyze transients of current and voltage signals in both frequency and ...mother wavelet by dilation and ...precisely. Wavelet Transform is ... See full document

... The PCA method is used to get M features to replace the original N features (M is much less than N), the M new features are the linear combination of the old features, and these new features are independent of each ... See full document