Two simplification algorithms are proposed for automatic decimation of polygonal models,and for generating their LODs.Each algorithm orders vertices according to their priority values and then removes them iteratively...Two simplification algorithms are proposed for automatic decimation of polygonal models,and for generating their LODs.Each algorithm orders vertices according to their priority values and then removes them iteratively.For setting the priority value of each vertex,exploiting normal field of its one-ring neighborhood,we introduce a new measure of geometric fidelity that reflects well the local geometric features of the vertex.After a vertex is selected,using other measures of geometric distortion that are based on normal field deviation and distance measure,it is decided which of the edges incident on the vertex is to be collapsed for removing it.The collapsed edge is substituted with a new vertex whose position is found by minimizing the local quadric error measure.A comparison with the state-of-the-art algorithms reveals that the proposed algorithms are simple to implement,are computationally more efficient,generate LODs with better quality,and preserve salient features even after drastic simplification.The methods are useful for applications such as 3D computer games,virtual reality,where focus is on fast running time,reduced memory overhead,and high quality LODs.展开更多
Immunoglobulin E(IgE)is a critical biomarker for diagnosing allergic and other immune diseases.However,traditional IgE detection methods are often time-consuming and require specialized operation.As an important bioma...Immunoglobulin E(IgE)is a critical biomarker for diagnosing allergic and other immune diseases.However,traditional IgE detection methods are often time-consuming and require specialized operation.As an important biomarker,researchers have used different strategies and explored various materials for designing IgE biosensors with highly sensitivity,specificity and cost-effectiveness.In this review,we comprehensively summarize recent advances in biosensing technologies for IgE detection,categorizing them into optical,electrochemical,and piezoelectric biosensors.It elaborates on the design principles,performance metrics,and comparative advantages of various platforms,such as surface plasmon resonance(SPR),fluorescence,electrochemical impedance spectroscopy(EIS),and quartz crystal microbalance(QCM).The integration of novel materials like aptamers and nanomaterials has significantly enhanced the performance of these biosensors.Biosensors present a promising alternative for rapid,sensitive,and efficient IgE detection,holding great potential for future clinical diagnostics and point-of-care testing applications.Future perspectives should highlight the discovery of novel materials,the application of artificial intelligence for aptamer development,and the synergy of optoelectronic sensing strategies to improve analytical performance for clinical diagnostics.展开更多
文摘Two simplification algorithms are proposed for automatic decimation of polygonal models,and for generating their LODs.Each algorithm orders vertices according to their priority values and then removes them iteratively.For setting the priority value of each vertex,exploiting normal field of its one-ring neighborhood,we introduce a new measure of geometric fidelity that reflects well the local geometric features of the vertex.After a vertex is selected,using other measures of geometric distortion that are based on normal field deviation and distance measure,it is decided which of the edges incident on the vertex is to be collapsed for removing it.The collapsed edge is substituted with a new vertex whose position is found by minimizing the local quadric error measure.A comparison with the state-of-the-art algorithms reveals that the proposed algorithms are simple to implement,are computationally more efficient,generate LODs with better quality,and preserve salient features even after drastic simplification.The methods are useful for applications such as 3D computer games,virtual reality,where focus is on fast running time,reduced memory overhead,and high quality LODs.
文摘Immunoglobulin E(IgE)is a critical biomarker for diagnosing allergic and other immune diseases.However,traditional IgE detection methods are often time-consuming and require specialized operation.As an important biomarker,researchers have used different strategies and explored various materials for designing IgE biosensors with highly sensitivity,specificity and cost-effectiveness.In this review,we comprehensively summarize recent advances in biosensing technologies for IgE detection,categorizing them into optical,electrochemical,and piezoelectric biosensors.It elaborates on the design principles,performance metrics,and comparative advantages of various platforms,such as surface plasmon resonance(SPR),fluorescence,electrochemical impedance spectroscopy(EIS),and quartz crystal microbalance(QCM).The integration of novel materials like aptamers and nanomaterials has significantly enhanced the performance of these biosensors.Biosensors present a promising alternative for rapid,sensitive,and efficient IgE detection,holding great potential for future clinical diagnostics and point-of-care testing applications.Future perspectives should highlight the discovery of novel materials,the application of artificial intelligence for aptamer development,and the synergy of optoelectronic sensing strategies to improve analytical performance for clinical diagnostics.
