Image definition measurement plays an important role in various image processing applications.And a reliable objective image definition metrics is critical for evaluating the definition of the restored image.In this p...Image definition measurement plays an important role in various image processing applications.And a reliable objective image definition metrics is critical for evaluating the definition of the restored image.In this paper,a novel image distortion metric based on minimal Total Bounded Variation(TBV) is presented.It is clarified that when the restored image approximates to the original clear image,the smaller the TBV is,the better the definition of the restored image is.Furthermore,the difference between the restored image and the original clear image is the smallest when the TBV is minimum.In numerical results,the TBV of the original clear image,blur image and restored image are presented and compared,and the results demonstrate the validity of the distortion metric proposed.展开更多
Ticks are important vectors for the transmission of pathogens including viruses.The viruses carried by ticks also known as tick-borne viruses(TBVs),contain a large group of viruses with diverse genetic properties and ...Ticks are important vectors for the transmission of pathogens including viruses.The viruses carried by ticks also known as tick-borne viruses(TBVs),contain a large group of viruses with diverse genetic properties and are concluded in two orders,nine families,and at least 12 genera.Some members of the TBVs are notorious agents causing severe diseases with high mortality rates in humans and livestock,while some others may pose risks to public health that are still unclear to us.Herein,we review the current knowledge of TBVs with emphases on the history of virus isolation and identification,tick vectors,and potential pathogenicity to humans and animals,including assigned species as well as the recently discovered and unassigned species.All these will promote our understanding of the diversity of TBVs,and will facilitate the further investigation of TBVs in association with both ticks and vertebrate hosts.展开更多
基金supported by the Fund of National Science & Technology monumental projects under Grants No.2012ZX03005012,No. 2011ZX03005-004-03,No.2009ZX03003-007
文摘Image definition measurement plays an important role in various image processing applications.And a reliable objective image definition metrics is critical for evaluating the definition of the restored image.In this paper,a novel image distortion metric based on minimal Total Bounded Variation(TBV) is presented.It is clarified that when the restored image approximates to the original clear image,the smaller the TBV is,the better the definition of the restored image is.Furthermore,the difference between the restored image and the original clear image is the smallest when the TBV is minimum.In numerical results,the TBV of the original clear image,blur image and restored image are presented and compared,and the results demonstrate the validity of the distortion metric proposed.
基金supported by Science and Technology Basic Work Program (2013FY113500) from the Ministry of Science and Technology of Chinathe European Union’s Horizon 2020 Research and Innovation Programme (No.653316)+1 种基金the Strategic Bio-resource Service Network Plan and Building the Biogenetic Resource Preserving Capacity Program from the Chinese Academy of Sciences (ZSSB-002)the Hubei Provincial program of scientific and technological condition platform establishment (2017BEC003)
文摘Ticks are important vectors for the transmission of pathogens including viruses.The viruses carried by ticks also known as tick-borne viruses(TBVs),contain a large group of viruses with diverse genetic properties and are concluded in two orders,nine families,and at least 12 genera.Some members of the TBVs are notorious agents causing severe diseases with high mortality rates in humans and livestock,while some others may pose risks to public health that are still unclear to us.Herein,we review the current knowledge of TBVs with emphases on the history of virus isolation and identification,tick vectors,and potential pathogenicity to humans and animals,including assigned species as well as the recently discovered and unassigned species.All these will promote our understanding of the diversity of TBVs,and will facilitate the further investigation of TBVs in association with both ticks and vertebrate hosts.
