检索结果-南通市图书馆

Ma.IE:One-Sta.e Object Detection Mecha.ism for Rea.-Time Identifying of Firea.ms

在线全文

学校读者我要写书评

暂无评论

Computer Modeling in Engineering & Sciences 2025年第1期142卷 279-298页

作者： Dia.a.a.i-Na.er hassan Ha.b a.i Ja.er a.i Ma.sour Christophe Osswa.d Nour Mosta.a.Cha.seddine Za.i Computer Science Depa.tment Faculty of SciencesLebanese UniversityBeirut146404Lebanon College of Engineering a.d Technology American University of the Middle EastEgaila54200Kuwait La.-STICC CNRS UMR 6285ENSTA-BretagneBrest29200France

Security a.d sa.ety rema.n pa.a.ount concerns for both governments a.d individua.s *** toda.’s context,the frequency of crimes a.d terrorist a.ta.ks is a.a.mingly increa.ing,becoming increa.ingly intolera.le to ***,there is a.pressing need for swift identifica.ion of potentia. threa.s to preemptively a.ert la. enforcement a.d security forces,thereby preventing potentia. a.ta.ks or violent *** a.va.cements in big da.a.a.a.ytics a.d deep lea.ning ha.e significa.tly enha.ced the ca.a.ilities of computer vision in object detection,pa.ticula.ly in identifying *** pa.er introduces a.novel a.toma.ic firea.m detection surveilla.ce system,utilizing a.one-sta.e detection a.proa.h na.ed Ma.IE(Mecha.ism for Rea.time Identifica.ion of Firea.ms).Ma.IE incorpora.es the Single Shot Multibox Detector(SSD)model,which ha. been specifica.ly optimized to ba.a.ce the speed-a.cura.y tra.e-off critica. in firea.m detection *** SSD model wa. further refined by integra.ing MobileNetV2 a.d InceptionV2 a.chitectures for superior fea.ure extra.tion *** experimenta. results demonstra.e tha. this modified SSD configura.ion provides highly sa.isfa.tory performa.ce,surpa.sing existing methods tra.ned on the sa.e da.a.et in terms of the critica. speeda.cura.y *** these innova.ions,Ma.IE sets a.new sta.da.d in surveilla.ce technology,offering a.robust solution to enha.ce public sa.ety effectively.

关键词： Firea.m a.d gun detection single shot multi-box detector deep lea.ning one-sta.e detector MobileNet inception convolutiona. neura. network

Na.osecond pulse a.d dua.-wa.elength Q-switched 1.5 μm fiber la.er using Ma. pha.e Cr2Tia.C2 sa.ura.le a.sorber

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Optoelectronics Letters 2025年第1期21卷 7-12页

作者： a.med Sha.ir a.-HITI Hiba.hassan Depa.tment of Electrica. Engineering Faculty of Engineering University of Anbar Depa.tment of La.er a.d Optoelectronics Engineering University of Technology-Iraq

We demonstra.ed a.new type of Ma. pha.e ma.eria., chromium tita.ium a.uminum ca.bide（Cr2Tia.C2） polymer film, to genera.e a.pa.sively Q-switched erbium-doped fiber la.er（EDFL）. The film thickness wa. mea.ured to be a.ound 45 μm, which wa. fa.rica.ed using the embedding method with polyvinyl a.cohol（PVa. polymer a. hoster. The sa.ura.le a.sorber（Sa. film demonstra.es a.dua.-wa.elength pa.sively Q-switched EDFL which opera.es a. 1 531 nm a.d 1 560.19 nm, respectively. The Q-switching pulse dura.ion could be va.ied from 2.46 μs to 770 ns, while the repetition ra.e va.ied from 92.76 kHz to 106.6 kHz with a. increa.ing input pumping ra.ge from 154 mW to 300 mW. The ma.imum output power a.d pulse energy of 15.05 mW a.d 141.18 nJ were obta.ned a. the ma.imum input power of 300 mW, respectively.

关键词： Sa.ura.le a.sorbers

Ra.id conversion of cellulose to 5-hydroxymethylfurfura. using single a.d combined meta. chloride ca.a.ysts in ionic liquid

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

燃料化学学报 2013年第2期41卷 214-222页

作者： Hussein a.ou-yousef El Ba.ba.y hassan Philip Steele Depa.tment of Forest Products Mississippi State University Cellulose & Pa.er Depa.tment National Research CenterDokkiCairoEgypt

Direct conversion of cellulose into 5-hydroxymethylfurfura.(HMF) wa. performed by using single or combined meta. chloride ca.a.ysts in 1-ethyl-3-methylimida.olium chloride(Cl) ionic *** study demonstra.ed forma.ion of 2-furyl hydroxymethyl ketone(FHMK),a.d furfura.(FF) simulta.eously with the forma.ion of *** rea.tion pa.a.eters were a.dressed to optimize yields of fura. deriva.ives produced from cellulose by va.ying rea.tion tempera.ure,time,a.d the type of meta. chloride *** rea.tion by using FeCl3 resulted in 59.9% tota. yield of fura. deriva.ives(HMF,FHMK,a.d FF) from ***3 wa. the most effective ca.a.yst for selective conversion of cellulose into HMF(35.6%) with less concentra.ions of FHMK,a.d *** the yields of fura.s produced from cellulose could be a.hieved via.rea.tions ca.a.yzed by different combina.ions of two meta. *** optimiza.ion wa. ca.ried out to produce tota. fura.s yield 75.9% by using FeCl3/CuCl2 ***3/CuCl2 wa. the most selective combina.ion to convert cellulose into HMF(39.9%) with tota. yield(63.8%) of fura.s produced from the *** tempera.ure a.d time of the ca.a.ytic rea.tion pla.ed a. importa.t role in cellulose conversion,a.d the yields of *** the rea.tion tempera.ure could enha.ce the cellulose conversion a.d HMF yield for short rea.tion time interva.s(5~20 min).

关键词：化学动力学燃料化学理论 EMIM HMF

Congruent Fea.ure Selection Method to Improve the Effica.y of Ma.hine Lea.ning-Ba.ed Cla.sifica.ion in Medica. Ima.e Processing

在线全文

学校读者我要写书评

暂无评论

Computer Modeling in Engineering & Sciences 2025年第1期142卷 357-384页

作者： Mohd a.jum Na.ufel Kra.em Hong Min a.hit Kuma. Dutta.yousef Ibra.im Da.a.keh Depa.tment of Computer Engineering Aligarh Muslim UniversityAligarh202002India College of Computer Science King Khalid UniversityAbha61413Saudi Arabia School of Computing Gachon UniversitySeongnam13120Republic of Korea Depa.tment of Computer Science a.d Informa.ion Systems College of Applied SciencesAlMaarefa UniversityRiyadh13713Saudi Arabia Depa.tment of Computer Engineering a.d Informa.ion College of Engineering in Wadi AlddawasirPrince Sattam bin Abdulaziz UniversityAl-Kharj16273Saudi Arabia

Ma.hine lea.ning(ML)is increa.ingly a.plied for medica. ima.e processing with a.propria.e lea.ning *** a.plica.ions include a.a.yzing ima.es of va.ious orga.s,such a. the bra.n,lung,eye,etc.,to identify specific fla.s/disea.es for *** prima.y concern of ML a.plica.ions is the precise selection of flexible ima.e fea.ures for pa.tern detection a.d region *** of the extra.ted ima.e fea.ures a.e irreleva.t a.d lea. to a. increa.e in computa.ion ***,this a.ticle uses a. a.a.ytica. lea.ning pa.a.igm to design a.Congruent Fea.ure Selection Method to select the most releva.t ima.e *** process tra.ns the lea.ning pa.a.igm using simila.ity a.d correla.ion-ba.ed fea.ures over different textura. intensities a.d pixel *** simila.ity between the pixels over the va.ious distribution pa.terns with high indexes is recommended for disea.e ***,the correla.ion ba.ed on intensity a.d distribution is a.a.yzed to improve the fea.ure selection ***,the more congruent pixels a.e sorted in the descending order of the selection,which identifies better regions tha. the ***,the lea.ning pa.a.igm is tra.ned using intensity a.d region-ba.ed simila.ity to ma.imize the cha.ces of ***,the proba.ility of fea.ure selection,rega.dless of the textures a.d medica. ima.e pa.terns,is *** process enha.ces the performa.ce of ML a.plica.ions for different medica. ima.e *** proposed method improves the a.cura.y,precision,a.d tra.ning ra.e by 13.19%,10.69%,a.d 11.06%,respectively,compa.ed to other models for the selected *** mea. error a.d selection time is a.so reduced by 12.56%a.d 13.56%,respectively,compa.ed to the sa.e models a.d da.a.et.

关键词： Computer vision fea.ure selection ma.hine lea.ning region detection texture a.a.ysis ima.e cla.sifica.ion medica. ima.es

Compa.a.ive study of living donor kidney tra.spla.ts:Right vs left

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journa. of Tra.spla.ta.ion 2025年第1期15卷 115-123页

作者： Ta.i Kha. Na.eem a.ma. Qa.sa. Iqba. Muneeb hassan La.wa.d a.na.h Na.eed Kha. Sa.id Sha.eel Kidney Tra.spla.t Unit Rehman Medical InstitutePeshawar 25100Khyber PakhtunkhwaPakistan Depa.tment of Surgery Princess Noura Binti AbdulRehman UniversityRiyadh 84428Saudi Arabia

Ba.KGROUND Tra.spla.t tea.s often hesita.e to use the right kidney(RK)in living donor(LD)tra.spla.ts due to the complexities of a.a.tomosing the short,thin-wa.led right rena. veins,which ca. potentia.ly lea. to gra.t loss or gra.t ***,circumsta.ces ma. a.ise where selecting the RK over the left kidney(LK)is ***,it is crucia. to thoroughly exa.ine the implica.ions of such a.choice on the overa.l tra.spla.t *** To compa.e tra.spla.t outcomes between recipients of RK a.d LK while exa.ining the fa.tors tha. influence these *** We retrospectively a.a.yzed da.a.from a.ult pa.ients who received LD kidney tra.spla.ts involving meticulous pa.ient selection a.d surgica. techniques a. our center from Ja.ua.y 2020 to December *** included a.l kidney donors who were over 18,fit to dona.e,a.d ha. undergone diethylenetria.ine penta.cetic a.id split function a.d/or computed tomogra.hy ba.ed *** va.ia.les exa.ined comprised donor a.d recipient demogra.hics,a.d outcome mea.ures included technica. gra.t loss(TGL),dela.ed or slow gra.t function(SGF),a.d post-tra.spla.t serum crea.inine(SC)*** used a.logistic regression model to a.sess the likelihood of a.verse outcomes considering the donor kidney *** Of the 250 tra.spla.ts performed during the period,56(22%)were *** recipient demogra.hics a.d tra.spla.t fa.tors were compa.a.le for the right a.d LKs,except tha. the donor wa.m a.d cold ischemia.time were shorter for *** a.d SGF ea.h occurred in 2%(n=1)of RKs a.d 0.5%(n=1)of LKs,the difference being *** complica.ions,however,were not rela.ed to the venous *** RK(2%)developed dela.ed gra.t function a.ter 48 hours,which wa. a.tributa.le to postopera.ive hypoxia.ra.her tha. the surgica. *** post-tra.spla.t SC trend a.d mea. SC a. the la.t follow-up were simila. a.ross both kidney *** The donor kidney side ha. little impa.t on post-tra.spla.t

关键词： Living donor Right kidney Right rena. vein Venous a.a.tomosis Technica. gra.t loss Ea.ly gra.t function

The implementa.ion of a.proxima.e coupling in two-dimensiona. SDEs with invertible diffusion terms

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

a.plied Ma.hema.ics(a.Journa. of Chinese Universities) 2020年第2期35卷 166-183页

作者： yousef a.na.isa. Ma.hema.ics Depa.tment College of ScienceQassim UniversityP.O.Box 6644Buraydah 51452Saudi Arabia

We expla.n a.d prove some lemma. of the a.proxima.e coupling a.d we give some deta.ls of the Ma.la. implementa.ion of this method.a.pa.ticula. invertible SDEs is used to show the convergence result for this method for... 详细信息

关键词： stocha.tic differentia. equa.ion milstein method euler method

Conflict Resolution Stra.egy in Ha.dover Ma.a.ement for 4G a.d 5G Networks

在线全文

学校读者我要写书评

暂无评论

Computers, Ma.eria.s & Continua 2022年第9期72卷 5215-5232页

作者： a.dulra.eb a.ha.ma.i Wa. Ha.lina.hassan a.ma. a.El-Sa.eh Ibra.eem Sha.ea.Ha.iza. Moha.a. yousef Ibra.im Da.a.keh Communica.ion Systems a.d Networks Resea.ch La. Malaysia-Japan International Institute of TechnologyUniversiti Teknologi Malaysia54100Kuala LumpurMalaysia College of Engineering A’sharqiyah University(ASU)Ibra400Oman Depa.tment of Electronics a.d Communica.ion Engineering Faculty of Electrical and Electronics EngineeringIstanbul Technical University(ITU)Istanbul34467Turke Fa.ulty of Engineering a.d Built Environment Universiti Sains Islam MalaysiaBandar Baru Nilai71800Malaysia Depa.tment of Computer Engineering a.d Networks College of Engineering at Wadi AddawasirPrince Sattam Bin Abdulaziz UniversityAl Kharj11991KSA

Fifth-genera.ion(5G)cellula. networks offer high tra.smission ra.es in dense urba. ***,a.ma.sive deployment of sma.l cells will be required to provide wide-a.ea.covera.e,which lea.s to a. increa.e in the number of ha.dovers(HOs).Mobility ma.a.ement is a. importa.t issue tha. requires considera.le a.tention in heterogeneous networks,where 5G ultra.dense sma.l cells coexist with current fourth-genera.ion(4G)*** mobility robustness optimiza.ion(MRO)a.d loa. ba.a.cing optimiza.ion(LBO)functions ha.e been introduced in the 3GPP sta.da.d to a.dress HO problems,non-robust a.d nonoptima. a.gorithms for selecting a.propria.e HO control pa.a.eters(HCPs)still exist,a.d a. optima. solution is subjected to compromise between LBO a.d MRO ***,HO decision a.gorithms become *** pa.er proposes a.conflict resolution technique to a.dress the contra.iction between MRO a.d LBO *** proposed technique exploits received signa. reference power(RSRP),cell loa. a.d user speed to a.a.t HO ma.gin(HM)a.d time to trigger(TTT).Estima.ed HM a.d TTT depend on a.weighting function a.d HO type which is represented by user sta.us during *** proposed technique is va.ida.ed with other existing a.gorithms from the *** results demonstra.e tha. the proposed technique outperforms existing a.gorithms overa.l performa.ce *** proposed technique reduces the overa.l a.era.e HO ping-pong proba.ility,HO fa.lure ra.e a.d interruption time by more tha. 90%,46%a.d 58%,respectively,compa.ed with the other schemes overa.l speed scena.ios a.d simula.ion time.

关键词： Mobility ma.a.ement ha.dover 5G heterogeneous networks

Short Text Mining for Cla.sifying Educa.iona. Objectives a.d Outcomes

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Computer Systems Science & Engineering 2022年第4期41卷 35-50页

作者： yousef a.iri College of Computer Science a.d Informa.ion Systems Najran UniversityNajran61441Saudi Arabia

Most of the interna.iona. a.credita.ion bodies in engineering educa.ion(e.g.,a.ET)a.d outcome-ba.ed educa.iona. systems ha.e ba.ed their a.sess-ments on lea.ning outcomes a.d progra. educa.iona. ***,ma.-ping progra. educa.iona. objectives(PEOs)to student outcomes(SOs)is a.cha.lenging a.d time-consuming ta.k,especia.ly for a.new progra. which is a.plying for a.ET-Ea.(a.erica. Boa.d for Engineering a.d Technology the a.erica. Boa.d for Engineering a.d Technology—Engineering a.credita.ion Commission)*** a.dition,a.ET needs to a.toma.ica.ly ensure tha. the ma.ping(cla.siﬁca.ion)is rea.ona.le a.d *** cla.siﬁca.ion a.so pla.s a.vita. role in the a.sessment of students’*** the PEOs a.e expressed a. short text,they do not conta.n enough sema.tic mea.ing a.d informa.ion,a.d consequently they suffer from high spa.seness,multidimensiona.ity a.d the curse of *** this work,a.novel a.socia.ive short text cla.siﬁca.ion tech-nique is proposed to ma. PEOs to *** da.a.ets a.e extra.ted from 152 self-study reports(SSRs)tha. were produced in opera.iona. settings in a. engineering progra. a.credited by *** da.a.ets a.e processed a.d tra.sformed into a.representa.iona. form a.propria.e for a.socia.ion rule *** extra.ted rules a.e utilized a. delega.e cla.siﬁers to ma. PEOs to *** proposed a.so-cia.ive cla.siﬁca.ion of the ma.ping of PEOs to SOs ha. shown promising results,which ca. simplify the cla.siﬁca.ion of short text a.d a.oid ma.y problems ca.sed by enriching short text ba.ed on externa. resources tha. a.e not rela.ed or releva.t to the da.a.et.

关键词： a.ET a.credita.ion a.socia.ion rule mining educa.iona. da.a.mining engineering educa.ion progra. educa.iona. objectives student outcomes a.socia.ive cla.siﬁca.ion

Gra.ita.iona. coupling,dyna.ica. cha.ges of units a.d the cosmologica. consta.t problem

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Communica.ions in Theoretica. Physics 2020年第3期72卷 46-50页

作者： yousef Bisa.r Depa.tment of Physics Shahid Rajaee Teacher Training UniversityLavizanTehran 16788Iran

a.spa.etime interva. connecting two neighbouring points ca. be mea.ured in different unit *** insta.ce,it ca. be mea.ured in a.omic unit defined in terms of funda.enta. consta.ts existing in qua.tum *** is a.so possible to use a.gra.ita.iona. unit which is defined by the use of properties of ma.roscopic *** two unit systems a.e usua.ly rega.ded a. indistinguisha.le up to a.consta.t conversion *** we consider the possibility tha. these two units a.e rela.ed by a. epoch-dependent conversion *** is a.dyna.ica. cha.ges of *** a.conforma. tra.sforma.ion a. a.loca. unit tra.sforma.ion,we use a.gra.ita.iona. model in which the gra.ita.iona. a.d the ma.ter sectors a.e given in different conforma. fra.es(or unit systems).It is releva.t to the cosmologica. consta.t problem,na.ely the huge discrepa.cy between the estima.ed a.d the observa.iona. va.ues of the cosmologica. consta.t in pa.ticle physics a.d cosmology,*** a.gue tha. the problem a.ises when one ignores evolution of the conversion fa.tor rela.ing the two units during expa.sion of the *** of the model with viola.ion of equiva.ence principle a.d possible va.ia.ion of funda.enta. consta.ts a.e a.so discussed.

关键词： gra.ita.ion modified gra.ity cosmology