An effective automatic target detection algorithm based on wavelet transform,which takes advantage of the localization and the orientation of wavelet analysis,is proposed.The algorithm detects the target in the vertic...An effective automatic target detection algorithm based on wavelet transform,which takes advantage of the localization and the orientation of wavelet analysis,is proposed.The algorithm detects the target in the vertical component of the wavelet transformation of the image.After mutual energy combination and sea clutter suppression through spatial weighting and thresholding,the target is located through maximum energy determination and its size is indicated through similarity measurement function of two overlapping windows.Experiment results show that the target can be detected by the algorithm in a single image frame and the better efficiency can be obtained also under the complicated backgrounds of existing the disturbances of cloud layer and fish scale light.展开更多
营养支持治疗是重症监护室(intensive care unit, ICU)危重症患者综合治疗中不可或缺的一部分,但是营养支持不足或过度喂养均可导致代谢并发症的发生,影响患者预后。合理的营养支持以危重症患者的静息能量消耗(resting energy expenditu...营养支持治疗是重症监护室(intensive care unit, ICU)危重症患者综合治疗中不可或缺的一部分,但是营养支持不足或过度喂养均可导致代谢并发症的发生,影响患者预后。合理的营养支持以危重症患者的静息能量消耗(resting energy expenditure, REE)为前提,但ICU患者病情复杂多变,能量代谢紊乱,因此,精准的能量代谢测定能够指导更为合理的支持方案。能量代谢测定的方式包括直接测定、间接测定及公式预测法等,每一种方法在临床应用均有其优缺点。本文就能量代谢测定在ICU危重症患者中的进展进行综述。展开更多
文摘An effective automatic target detection algorithm based on wavelet transform,which takes advantage of the localization and the orientation of wavelet analysis,is proposed.The algorithm detects the target in the vertical component of the wavelet transformation of the image.After mutual energy combination and sea clutter suppression through spatial weighting and thresholding,the target is located through maximum energy determination and its size is indicated through similarity measurement function of two overlapping windows.Experiment results show that the target can be detected by the algorithm in a single image frame and the better efficiency can be obtained also under the complicated backgrounds of existing the disturbances of cloud layer and fish scale light.
文摘营养支持治疗是重症监护室(intensive care unit, ICU)危重症患者综合治疗中不可或缺的一部分,但是营养支持不足或过度喂养均可导致代谢并发症的发生,影响患者预后。合理的营养支持以危重症患者的静息能量消耗(resting energy expenditure, REE)为前提,但ICU患者病情复杂多变,能量代谢紊乱,因此,精准的能量代谢测定能够指导更为合理的支持方案。能量代谢测定的方式包括直接测定、间接测定及公式预测法等,每一种方法在临床应用均有其优缺点。本文就能量代谢测定在ICU危重症患者中的进展进行综述。
