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The purpose of this study is to design and develop an interactive dynamic simulation platform for digital image processing teaching. This platform is constructed and implemented by the hierarchical design. The user interfaces of platform are build by the graphical user interface controls of MATLAB and user operations are responded by writing callback functions. The abstract teaching contents and processing...
A bidirectional blind equalization based on the constant modulus algorithm (CMA) and subspace-based algorithm (SBA) is proposed in this paper. Without any training sequence or channel estimation, blind equalization improves the transmission efficiency significantly in underwater acoustic communications. The combining scheme in which two outputs run in opposite directions exploits the diversity and...
In this paper, we propose an Activity-List based Nested Partitions algorithm for solving the Resource-Constrained Project Scheduling Problem(RCPSP). This algorithm is based on traditional Serial Scheduling scheme (SSS) and partitions the feasible solution space which is formulated by activity-lists into subregions by the nested partitions approach. We also utilize Double Justification as local search...
An approach with decomposition on time windows is proposed to solve resource-constrained project scheduling problem (RCPSP) in this paper. This approach is to decompose the feasible space calculated by CPM of the original problem into some subspaces, which are searched using some schedule schema. Double justification is also performed in the search to improve the results. The results of experiments...
Three different algorithms were developed in this paper to automatically determine the boundary of the triangle shape in the scatter plots. Experiment shows that the Algorithm III has the best performance among them based on the evaluation criteria of their robustness and computation time. The new algorithm proved to be effective to maintain the self-consistency and avoid the subjectivity in the traditional...
The feasibility of early diagnosis of endometrial carcinoma was studied by least squares support vector machines (LS-SVM) that classified near infrared (NIR) spectra of tissues. NIR spectra of 77 specimens of endometrium were collected. The spectra were pretreated by the 1st derivative Savitzky-Golay and direct orthogonal signal correction (DOSC) methods to improve the signal-to-noise ratio and remove...
There are massive data in the aerospace field, and the characteristics of the aerospace data evoke the difficulty to query from the data. The multi-join queries can ease the difficulty. A BCOP_GA algorithm based on the Genetic Algorithm for multi-join query of the specific data with a new appropriate cost model for it is proposed. The algorithm takes the advantages of both Bee Colony Algorithm and...
To modify the security of Plus-Minus 1 algorithm used in JPEG steganography (J-PM1), a new method is proposed based on adaptive flipping probability estimation. First, the least square matching(LSM) method is introduced to calculate the flipping probability of each coefficient by minimizing the difference between the original distribution (i.e. the histogram) and that of the stego image. Second, a...
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