iitng dung cong ngh§ ttidng tin \j NGHIEN CUtr UNG DUNG KY THU^T XU* LY ANH VAO XU* LY PHIEU DANH GIA MON HQC TRlTOOVG DAI HOC LAM NGHIJP Mai Ha An ThS Trudng dgi hgc Ldm nghidp T6M TAT Trong tdt ci c[.]
Trang 1\j NGHIEN CUtr UNG DUNG KY THU^T XU* LY ANH VAO XU* LY PHIEU
DANH GIA MON HQC TRlTOOVG DAI HOC LAM NGHIJP
Mai Ha An
ThS Trudng dgi hgc Ldm nghidp
T6M TAT
Trong tdt ci cic h$ thong quan ly thdng tin, thu th(^ dCt Ueu luon li vdn dl tin nhilu thfri gian vi cong siic
nhdt, d$c bi$t khi lugng dQ li^u ddu vio ldn, thdi gian de xii ly dQ lifu ngin, dO: lifu d^u vio chua cd cdu tnic, chua dugc sl hda Kf thuat xu ly anh phit triin d3 dem l^i cho ngudi ddng nhilu tifn fch, mft trong sl dd li c6
thi t ^ ra dugc cic h^ thing thu thgp thfing tin ty dfng tu cic lo^i dii Ufu phiic t^p nhu: vin ban vilt tay, inh chyp T^i trudng Dfii hgc LSm nghifp, dinh gii chdt lugng dio tao li cong vifc dugc thyc hifn thudng xuyfn
vi USn tyc nhim khong ngiing nang cao chit lugng dio t^o cda Nhi trudng Philu khio sit dugc sir dyng dl
ldy f kiln cua sinh vifn n h ^ x6t vl cfing tic dio t^o ciia Nhi trudng, vifc xil l^ thd cfing cic philu dl thing kfi
dugc cic thdng tin ddnh gii cua sinh vifn tin rdt nhieu cfing sire CTng dyng ky thu^t xil IJ inh, tic gii di xiy dyng thinh cfing p h ^ mim xii IJ philu khio sit chdt lugng dio t^o cila trudng D^i hgc Lim nghifp P h ^ mim ty dfng dgc cic philu khio sit vi nhanh chfing cho ra kit qui thing kfi cila philu vdi df chinh xic cao Ben c^nh dfi, p h ^ mem cung c ^ chiic ning thing kfi kit qua theo nhieu tiSu chf nhit: thing kfi theo giing
vifin; thing kfi dxo don vi chuyfin mfin; dilng kfi theo mdn hgc; thing kfi theo cfii^ tic phyc vy; thing kfi theo
chuong trbh hgc; kit xudt dii Ufu ra cic dinh d^ng phi bien nhit li MS Excel phyc vy cho cic myc dich khic cua Nhi trudng
Tie khda: Cdng ngh^ phkn mhn, khdo sdt chil lirfmg ddo t^o, kp thu$t xA 1$ dnh, ph&n c^m d& ii^u, xir ly phiiu khio sdt
Trong cdc co sd ddo tao, vifc danh gid chat
Iugng ddo tgo Id y l u t l h i t sue quan trgng gdp
phan nang cao chdt lugng ddo tgo ciia don v}
Nhd vdo vifc ddnh gid chdt Iugng ddo tgo md
Nha trudng sd cd nhung gidi phdp kip thdi
khdc phyc nhthig nhugc diem, phdt huy nhdng
thi mgnh md Nhd trudng cd dugc nhdm ndng
cao chdt lugng vd hifu qud dao tgo
Trudc ddy, m i i c u l i hgc ky nhd tnidng se
tien hdnh phdt phieu ldy y kiln cua smh vidn
v l ddnh gid chdt lugng ddo tgo bao g i m cdc
thdng tin ve mdn hgc, gidng vien vd cdng tdc
phyc vy gidng dudng, sau do phdi tidn hdnh
thong kd thu cong tung phidu ddnh gja Thdi
gian d l Idm vifc dd khdng phdi Id nhd va tdn
khdng it nhan lyc dd thyc hidn thong kd, lgp
cdc bdo cdo trong khi so lugng sinh vidn Nhd
trudng ddo tgo khdng ngdng tang len
Phdn m i m h i trg ddnh gia chdt Iugng ddo
tgo Id mft dng dyng hogt dong tren n l n tdng hf
didu hdnh Windows Phdn m i m cd khd ndng
dQC cac bdi thi trdc nghifm dugc quet dudi dgng cdc tdp tm dnh td dd phdn ti'ch dnh va ndm dugc cdc ddp dn dd dugc chon, td dd luu trd vao ca sd dft lifu Ngudi diing dd ddng cd dugc cdc s l heu thing kd dugc xudt ban ra theo nhidu dfnh d ^ g khdc nhau, cd the ddng
da lieu do cho cdc phdn mem khdc Tdc df xd
ly dnh cua phdn mem tuong doi nhanh khodng
200 anh trong mft phut se cho phdp ngudi dung nhanh chdng cd dugc kit qua danh gid cila cdc mdn hpc
Vdi hf thing mdy tdih vd phdn mdm ho trg danh gid dugc xay dyng sd gidm di nhieu thdi gian vd cdng sdc (trung binh nhanh hon thuc hifn thu cdng 93,63 ldn), nhanh chdng cd dugc cdc k i t qua ddnh gid chat Iugng ddo tgo mft each khdch quan, chinh xdc Khdng nhdng thd,
hf thong dugc xay dyng trdn nen tang cdng nghd NET hidn dgi se hogt dfng an toan, dn dinh, tgn dyng dugc nguin nhdn lyc cd tiinh
df vd kinh nghifm trong Nhd hirdng se gdp phdn ndng cao ndng lyc dng dyng cdng nghf thdng tm tgi Trudng
Trang 2U PHlTONG P H A P N G H I E N CtTU
2.1 Phieu khao sdt chat lirgng dao t^o
Tnrdng d^i hpc Lam nghifp
Phieu khdo sat chdt Iugng ddo tgo tnidng
Dai hpc Ldm nghifp gdm 25 cau, dugc chia
Idm 3 nhdm thdng tin:
- Nhdm thdng tin khdo sdt ddnh gid gidng
vidn gidng dgy mdn hpc;
- Nhdm thdng tin khdo sat danh gid chuong
trinh hgc;
- Nhdm thdng tin khdo sat danh gid vd cdng
tdc phyc vy cho qud trinh hpc tdp
Moi cau khdo sdt thdng tin sd dugc danh gid
d 4 cdp dd khdc nhau Id:
- ® : Rdt ding y;
- ® : Ddng y;
- ® : Chdp nhan dugc;
- ® : Khdng chdp nhan dugc
Vdo culi mdi hpc ky, phdng Khdo thf vd
Ddm bdo chdt lugng se thyc hifn phdt philu
khdo sdt cho cdc sinh vidn sau cac bull thi hit
mdn hpc, sau dd sd thu vd vd thyc hifn thing
kd kit qud trdn tung phieu Sau khi cd ket qua
tiling kd ti-en tiing philu, cdc kit qud sd dugc ting hgp lai dl td dd tfnh todn dugc sl phan trdm smh vidn ddnh gid theo cdc nhdm thdng tin cda tdng giang vien, tdng mdn hgc, timg dcm vi chuyen mdn ciing nhu dan vj ldm cong tdc phyc vy
2.2 Xiir 1;^ phieu khao sat cho phdn mim dpc thdng tin ty dfng
D I phdn mim mdy tmh cd thi dgc cUnh xdc thdng tin ti^n philu khdo sdt, ti:en phieu cdn phdi cd cdc dilm ddnh ddu Cdc dilm danh ddu ndy phdi bl tii ldm sao de phdn mim xac djnh dugc hudng philu (philu xudi hay ngugc), gdc Ifch (phieu nghidng bao nhidu df
so vdi phuang thdng ddng), vi tri cdc cdu trd ldi md sinh vien da danh ddu
D I dpc dugc chfnh xdc cdc thdng tin, cdn phdi cd cdc dilm dinh vi trdn phidu giup xac dinh dugc chlnh xdc cdc cau trd Idi md sinh vien da lya chgn Cdc dilm danh ddu dugc bl tri d cgnh phdi cda philu Moi diem ddnh ddu
Id mpt khoi Mnh chft nhdt mau den, cd tpa df dugc xdc dinh trudc
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Trang 323, Quy trinh thu thf p thong tin khao sat
Qua trinh khdo sdt chdt lugng dao tao dugc
thyc hifn theo quy trinh sau:
- hi phieu khdo sdt hdn khi gidy A4 (gidy in
phidu la gidy in thong thudng tren thi trudng)
- Phdt philu khdo sdt cho sinh vien ddnh
ddu vdo cac nhgn xdt CD, ®, (D, @
- Qudt philu khdo sdt thdnh cdc anh xam cd
df sdu mdu la 8 bit (trdn dnh cd 256 mau), cd
kich thudc rfng 1652px vd cao 2349px (tuong
duong khi giay A4) Philu cua moi mon hpc
dugc qudt vao mft thu myc rieng
- Diing phdn mem dpc dnh trong cac thu
myc de lay dugc cdc sl lifu thing ke va luu
trft sl lifu thing kd dd vdo co sd dft Ufu cua
phdn mim
- Trich xuat thdng tin phyc vy cho cdc bdo
cdo vl cdng tac dao tgo ciia Nhd tnidng
Trong quy trinh tren, cd hai giai doan dnh
hudng nhieu din kit qud thing kd cua phdn
mem Id: giai dogn sinh vidn ddnh dau vdo
phieu khao sat vd giai dogn quet phieu qua
mdy qudt vao cdc thu myc Nlu sinh vidn td
phieu khong ddng, tdc td khdng het 25% d
ho$c td qua md phdn mim sd khd nhan ra dugc
cdc phuong an ma sinh vidn dd chgn Ndu khi
qudt philu bdng mdy qudt, de phieu qua Ifch
(Idn hon 3*^ hoge chdt Iugng may quet kem tgo
ra cdc vft den dam trdn philu d phan ddnh gid
cda sinh vidn cdng Idm cho vifc nhfn dgng cdc
ddnh gid cda smh vidn bi thieu chinh xdc
2.4 Quy trinh xdr 1^ anh (phieu khao sat) vd
thing kd kit qua
Be cd dgc dugc kit qud thing ke chinh xac
td dnh cda philu khdo sdt, cdn phdi thyc hifn
xd Iy dnh theo quy trinh sau:
- Chuyin dnh xdm thdnh dnh den trang (df
sdu mdu Id 1 bit) theo ngudng dugc khao sdt
- Xoay dnh theo ddng chilu quy dinh
(hudng tu trdn xuing dudi nhu hinh 1) Nlu
dnh ngugc tiu xoay lgi cho diing chilu
- Kilm tra gdc Ifch cua dnh so vdi phuang
thdng ddng, nlu gdc Ifch ldn hon 0 (dnh hi
Ifch sang phai) thi xoay ngugc chilu kim ddng
hi mdt gdc diing bdng gdc Ifch da phdt hifn dugc Ndu gdc Ifch nhd hon 0 (dnh bi Ifch sang trai) thi xoay xuoi chilu kim ddng hd mft gdc diing bang gdc Ifch da phdt hifn dugc
- Thay ddi kich thudc dnh vd kfch thudc bdng 25% kich thudc thyc (rdng 413 px, cao
587 px) Vifc thay dli kich thudc nay se giup dpc cdc kit qua trdn dnh dugc nhanh han
- Xdc dinh vi tri vdng dap an md sinh vidn
da danh dau
- Sd dyng k}^ thudt phdn cym de xac dinh cdc dilm dugc ddnh ddu tren moi cdu khdo sdt cda phieu
- Thing kd va phan loai dd lifu theo nhdm tieu chi khdo sdt trdn co sd loai bd cdc cdu khao sdt khdng hgp If (cdc cdu td nhilu hon mft phuong dn hojc cdc cdu khong td phuong dnndo)
- Bilu didn dft lifu thing ke dugc trdn giao difn ciia chuang trinh, vd bilu dd tuang dng vdi so lifu thdng kd dugc
- Lim trd kit qud xdc dinh dugc vao ca sd dft Ufu cua chuang trinh
IH KET QUA VA T H A O L U A N
3.1 Phan mem Khdo sdt chdt lu-gng ddo t^o tnrdng D9I hpc Lam nghifp
Sau khi kit hgp ky thuft xd ly dnh sl ciing vdi cong nghf phdn mim vdo bdi todn thong kd kit qud khdo sdt chdt lugng ddo tgo, tdi dd tgo
ra sdn phdm la mft phdn mim Khdo sat chdt lugng ddo tgo tnidng Dgi hpc Lam nghifp Phdn mdm dugc thilt kl giao difn don gidn
de su dung vdi 4 giao difn chfnh va mft so
giao didn quan \f thdng tin Giao difn chfnh
cda chuang trinh dugc cung cap qua 4 thd gim: Khdo sdt, phieu khao sat, bdo cdo va qudn tri dft lifu Trong dd:
- Thd khao sdt: Cung cdp giao difn thyc hifn thing kd kit qud khdo sat cda tdng mdn hpc, sau khi thing kd sd bilu didn cho ngudi ddng cdc kit qud thing kd dugc cda mdn hgc
dd, bilu dien kit qud bdng mft bidu dl hinh h-dn cho bilt ty If phdn tirdm cda cdc phuong
dn dugc chpn tren phieu Ngudi dung cd the
Trang 4thyc hien luu kdt qua thong ke vao co sd dft tinh Excel Ben canh do cdn cung cap kha lifu sau khi thyc hifn vide thdng kd, hoac nang qudn ly thdng tin mdn hgc, gidng vien lya chpn xudt dft lifu thdng ke dugc ra bdng va don vi
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- Thd phieu khdo sat: Cung cap giao difn
xay dyng phieu khao sat vd qudn ly cac philu
khdo sat vd dgt khao sdt Q gjao difn ndy
ngudi su dyng cdn cd thi thyc hidn quan Iy cac cdu hdi, cdc nhdm thdng tin khdo sdt
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Hinh 3 Giao dl$n the phiiu kitdo sdt
- Thd bdo cdo: Cho phdp ngudi sd dung
xem bdo cdo thdng kd theo nhilu tieu chi khac
nhau thdng qua 3 cdp lya chpn thong tm cdn
xem bdo cao gdm:
+ Thdi gian thong kd;
+ Doi tugng thing kd;
+ Chi tiet thdng ke
Sau khi thing kd bdng bdng sl lifu, chuong trinh cdn cung c% cho ngudi ddng cdi nhin ting quan vd kit qua tiling kd tiidng qua mdt bieu do
Trang 5Hinh 4 Giao difn bdo cdo
- Thd qudn tri dft lifu: Cho phep ngudi sd cdn Day Id mft chdc ndng co ban cdn phai cd
dyng sao luu dft lifu va phyc hii du lifu khi cda bdt k^' mft phdn min qudn 1;^ dft Ufu ndo
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Hinh 4 Guio di^n qudn tri die li^u
3 ^ Bdnh gi^ ho^t dQng cua phan mem
So ii^u th6ng ke cho thiy, voi chit lu^ng
phieu td d^t 25% difn tich 6 l\ra chon va goc
l|ch ci^ philu khi quet vao Idiong vugt qu^ 3°
thi 100% pliilu du9c nliEin di6n ciiinh x ^ \h
c4c phuong dn dugc lya chgn, cdc phuomg dn
chpn bi pli^m quy (chpn nhilu hon mot
phuong dn trong mgt cau khao sdt) va cac
phuong dn khdng chgn
Vdi dnh qu6t phieu c6 kich thu6c chuin A4,
toe dO Xli ly anh de cho ra kit qua thong ke la
0,32 giSy/dnh Diiu do co nghia la, trung binh
moi hgc ky Nhd truimg thvtc hien thong ke
khodng 40.000 phiiu thi thoi gian xii ly (dd bao gim sdp xep va phdn lo?u thong tin) cua phin mem (khong ki thiri gian quet phiiu) 14: 40.000 X 0,32 = 12.800 (giay) = 3,56 (gi6)
So vol th\rc hien thu cong, di thong ke mgt phiiu trung binh mgt ngu&i phai mit 30 giay (chua ki thM gian phan loai th6ng tin va sip xip luu tru: thSng tm), di thing ke 40.000 phiiu cin khodng thoi gian Id:
40.000 X 30 = 1.200.000 (giay) = 333,33 (giir) Nhu vjy, niu chua tinh thiii gian xu Iy kit qud sau thing ke, tic do xu ly phiiu khao sdt cua phan mim da nhanh hon lam thii cong khodng 93,63 lan
Trang 6()h9 djing cong nghe tiiong tin
TV KtT LUiiN trong tJp tin vdn bdn nen PDF, XPS thuimg
Phin mim dugc xay dung sS hS trg tit cho '*•'«"= ^* ^"^S ^ truyin vdn bdn qua miing
c6na viec ciia ph6ng Khdo thi va Dam bdo chdt ' , ui™ vn ^ - - Khd nang mo rOng dp dung ciia san pham
lugng trong Nha truang, tao ra mgt cong cu s v s P V"B
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m^nh de ho trg cho vi$c danh gia chat lugng ^ ^ ^f^* ' „, A, „hit
, xn- ^ »_ vd phdt triin trong phan mim Khdo sdt chdt ddo tao cua Nha truimg , , , „ , , „i,;s„ .,.• ,.A , X 1 ,- i *».- 1." u ' luong dao tao truimg Dai hoc Ldm ngmgp,
Uu diem ciia phan mem la cfi the chap nhan ', , , , , , , , x „ > „ , 1 , 1 , X .X , ,.» , t hoan toan c6 the md rOng thanh phan mem phiiu dugc m bdng chat heu giay re tien, kha , , ^ ^ f w trf^
ndng chiu iSi do li6u diu vdo tuong dii lon ^ ^ " " «^= " ^ ^ ^"o cdc mon thi trdc (diJi ngugc dnh lech, dnh 6 sai tiy di, dnh ^ ^ ^ ^ ^ ^ ^ ^ ^ ^
q u a bl vgt den mo) , ^ , ; ^ coiporation, (2013), Image and video
Nhugc diem: Phdn mem m6i chi chap nh§n ^,„„„.„^^ Altera corporation
dft hgu d i u vao la anh (dnh JPG, BMP, PNG, 2 Steven Seitz, et al., (2010), Image Proccessing GIF) md chua nh§n dugc phiiu trac khdo sdt Basics, Western Ontario
RESEARCH AND APPLYING IMAGE PROCESSING TECHNIQUES
TO PROCESS THE SURVEY QUESTIONNAIRE ON THE TRAINING
OF VIETNAM FORESTRY UMVERSITY
SUMMARY
Most of the management infonnation systems, data collection is consuming the most time and effort, especially when has a large amounts of data input, processing time for short data, mput data is unstructured and yet to be digitized Image processing techniques have been developed to give the user many benefits , one of which is can be generated systems automatically collects information Irom complex data types such as handwritten text, photos At the Univeraity of Forestiy, assess the quality of the training is carried out regularly and continuously
in order to constantly improve the quality of the training Survey questionnaires was used to get the opinion of students commented on the training of the univet^tty, the manual piYKessiag of survey questionnau^s for the , statistical evaluation of information students spend a lot of effort Applying of image processing techniques, the author has successfully developed software to read the framing qualify questionnanes The software automatically read the questionnaire and fmds out the statistical results quickly In addition, Ihe software provides statistical functions resuhs based on different criteria including lecturer, departments, subjects, curriculum and services; the output data is in the most popular format (Microsoft Excel's data format), it can be serves for other purposes of the university
Keywords: Data clustering, processing selection question, quality of tralnlngsurvey, software engineering, techntqueimage processing
NgtMphin bifn: PGS.TS Trin Quang Bao
Ngay nhan bai: 11/02/2014
Ngay phan biin: 03/3/2014
Ngay quyet dinh dang: 07/3/2014