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Ultrasonic treatment can disintegrate sludge, enhance microbial activity and improve sludge dewaterability at different energy inputs. To find their relationship, the three phenomena during ultrasonic treatment were investigated synchronously, and an experimental model was established to describe the process of ultrasonic sludge disintegration. Analysis(More)
An algorithm for fast shot boundary detection based on SVM (Support Vector Machine) is proposed. In this algorithm, smooth intervals inside shots are first eliminated from the original video frame sequence. During this process, a gray variance sequence is extracted and serves as the basis for the detection of smooth intervals. Then a new frame sequence(More)
Conventional scrambling method based on high dimensional matrix transformation has the following deficiencies: (1) there is no generalized high dimensional scrambling matrix generation algorithm, so the prevalent scrambling methods are to use special matrices such as high dimensional Arnold transformation matrix, Fibonacci-Q transformation matrix, A-type(More)
BACKGROUND Chlamydia trachomatis is an important pathogen of the urogenital tract. Numerous epidemiologic studies have reported on the prevalence of chlamydia world wide. However, the prevalence of Chlamydia trachomatis in China has not been widely studied. GOAL OF THIS STUDY To identify Chlamydia trachomatis in three distinct populations in China.(More)
Conventional scrambling methods based on permuting pixels coordinates can be used to construct robust watermarkings which can endure erasing, cropping and compressing attacks. But most of these methods are used to scramble equilateral image, for the non equilateral image where its width not equal to its height, it is usually expanded into equilateral image(More)
  • Ren Bo, Li Huan
  • 2010 International Conference on Educational and…
  • 2010
Virtual instrument software LabVIEW is a graphical programming language characterized by easy to be read and understood. So it is suitable for teaching difficult theoretical kinds of courses. Communication theory is a theoretical course and its many concepts are abstract .To solve the problems of hard to learn and teach, a teaching platform for(More)
SPWM inverter technology uses the manner of digital control gradually by the development of embedded system, but the traditional development method of embedded system is linearized, a lot of time and effort is wasted. In this paper, SPWM control model is created in MATLAB with model-based design. The code of chip required is generated automatically after(More)
AI planning is the main stream method for automatic semantic web service composition (SWSC) research. However, planning based SWSC method can only return service composition upon user requirement description and lacks flexibility to deal with environment change. Deliberate agent architecture, such as BDI agent, is hopeful to make SWSC more intelligent. In(More)
Idiosyncratic drug-induced hepatotoxicity is a major cause of liver damage and drug pipeline failure, and is difficult to study as patient-specific features are not readily incorporated in traditional hepatotoxicity testing approaches using population pooled cell sources. Here we demonstrate the use of patient-specific hepatocyte-like cells (HLCs) derived(More)