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System and software quality evaluation is an important method of quality assurance, and its standardization provides quality requirements and evaluation supported by quality measurement. ISO/IEC organizations have also published a series of standards on system and software quality requirements and evaluation, which is significant for assuring the quality of system and software. This paper introduces...
High Efficiency Video Coding (HEVC), a successor to H.264, is the next generation video compression standard. To enhance the coding efficiency of video frames, 35 intra prediction modes adopted in Prediction Unit (PU) from 4×4 to 64×64 of HEVC. However, the improvement is based on the cost of rapid increased complexity performance loss. This paper proposed a Pixel Gradient Statistics (PGS) and Mode...
A Petri Net is a graphical and mathematical modeling approach used to describe the transition of states for an information system. This paper presents a novel technique to generating test cases using a Colored Petri Net (CPN) model. The state space of a model based on CPN provides a solid basis for test cases generation in a form that can be easily manipulated. This technique is based on three testing...
Robot calibration is one of the key technologies of off-line programming, and measuring method is an important factor which restrict its development. According to this, this paper gives an analysis of robot modeling errors, which is based on the robot error source, and gives an easy way of measuring the six degree freedom robot, and based on that, a real robot kinematics model is set up. According...
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