high dynam rang hdr imag aim increas dynam rang imag merg multiexposur imag has attract much attent ghost often observ result imag due camera motion object motion scene lowrank matrix complet lrmc provid effect tool remov ghost howev user specif includ exclud region requir paper propos novel hdr imag method base bidirect structur similar weight lowrank matrix complet our method first propos bidirect structur similar contain forwardproject structur similar fpss backwardproject structur similar bpss divid each imag four group motion region satur region sourc imag satur region refer imag static unsatur region then weight map motion map construct base fpss bpss introduc weight lrmc model reconstruct background irradi map experiment conduct sever challeng imag set complex scene result show propos method outperform three current stateoftheart method photoshop cs6 robust refer imag

Mali Yu

Hai Zhang

High Dynamic Range Imaging Based on Bidirectional Structural Similarities and Weighted Low-Rank Matrix Completion

this paper propos method encrypt imag password protect secur share base deoxyribonucl acid dna sequenc oper tangentdelay ellips reflect cavitymap system tdercs the initi valu tdercs system generat from user password tdercs system use scrambl pixel locat matric origin imag next three dnasequenc matric generat encod permut color imag can transform three matric then tdercs system employ generat three chaotic sequenc befor encod dna three matric thereaft dna exclus xor oper execut between dna sequenc permut imag dna sequenc generat tdercs system produc three encrypt scrambl matric final matric dna sequenc decod channel recombin form encrypt color imag the result simul secur test reveal propos algorithm offer robust encrypt demonstr abil resist exhaust statist differenti attack

Haidar Raad Shakir

A Color-Image Encryption Scheme Using a 2D Chaotic System and DNA Coding

merg mode can achiev consider code gain becaus reduc cost code motion inform video codec howev simpl adopt motion inform from neighbour block may achiev optim perform motion correl between pixel neighbour block decreas distanc increas address problem paper propos euclidean distancebas weight predict algorithm addit candid merg mode first sever predict block generat motion compens predict mcp motion inform from avail neighbour block second addit predict block generat weight averag predict block abov where weight coeffici relat euclidean distanc from neighbour candid pixel point current block final best merg mode select rate distort optim rdo among origin merg candid addit candid experiment result show joint explor test model 70 jem 70 propos algorithm achiev better code perform than origin merg mode under all configur includ random access low delay ldb low delay ldp slight code complex increas especial ldp configur propos method achiev 150 bitrat save averag

Hongwei Guo

Xiangsuo Fan

Lei Min

Euclidean Distance-Based Weighted Prediction for Merge Mode in HEVC

Traditional museums and most digital museums use window display to exhibit their collections. However, the agricultural tools are distinctive for their use value and wisdom contained. Therefore, this paper first proposes a method of virtual interactive display for agricultural tools based on virtual reality technology, which combines static display and dynamic use of agricultural tools vividly showing the agricultural tools. To address the problems of rigid interaction and terrible experience in the process of human-computer interaction, four human-computer interaction technologies are proposed to design and construct a more humanized system including intelligent scenes switching technology, multichannel introduction technology, interactive virtual roaming technology, and task-based interactive technology. The evaluation results demonstrate that the system proposed achieves good performance in fluency, instructiveness, amusement, and practicability. This human-computer interaction system can not only show the wisdom of Chinese traditional agricultural tools to the experiencer all over the world but also put forward a new method of digital museum design.

Ying Yang

Yiyi Fan

Ruizhi Sun

A Human-Computer Interaction System for Agricultural Tools Museum Based on Virtual Reality Technology

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Advances in Multimedia publishes research on the technologies associated with multimedia systems, including computer-media integration for digital information processing, storage, transmission, and representation.

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Advances in Multimedia - Table of contents 2019

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Advances in Multimedia publishes research on the technologies associated with multimedia systems, including computer-media integration for digital information processing, storage, transmission, and representation.

Advances in Multimedia