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This paper presents an intuitive nose surgery planning and simulation system, using 3D laser scan image and lateral X-ray image, to provide high quality prediction of the postoperative appearance, and design the patient specific prosthesis model automatically. After initial registration, the internal surface of soft tissue at the nose region was generated(More)
Ensemble empirical mode decomposition (EEMD) has been recently used to recover a signal from observed noisy data. Typically this is performed by partial reconstruction or thresholding operation. In this paper we describe an efficient noise reduction method. EEMD is used to decompose a signal into several intrinsic mode functions (IMFs). The time intervals(More)
Baseline correction is an important part of spectral analysis; the existing algorithms usually need to set the key parameters and does not have adaptability. The spectral baseline is fitted by the residue according to the feature of ensemble empirical mode decomposition (EEMD for short). The correlation between residual and original signal, the(More)
Power consumption is the key factor affecting the longevity of heat meter. The various energy-saving strategies of the heat meter were analyzed from three aspects: chip selection, circuit design and soft design. Then the wireless remote reading heat meter with low power consumption was designed and the modules of implementation were described in details.(More)
Accurate measurement of the tree diameter is important for the production and scientific research of forestry. The paper developed a resistance angle sensor based on tree diameter gauge, which provided a resolution to some difficulties in tree diameter measuring, such as big trees and trees with spine. The height measuring module based on ultrasonic sensor(More)
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