Upload
dionne-angela-donnelly
View
224
Download
0
Embed Size (px)
Citation preview
8/3/2019 How Do We Perceive Colour?
1/10
2
Miw Li _h Uhqchjph Cidixq9
Ljikkh Bkohdb Likkhddz
\x|iqjbd Hssbz
Zhbq Ikh
8/3/2019 How Do We Perceive Colour?
2/10
1
Uhqchu|jik mbs ahhk lh`jkhl bs |mh bcrxjsj|jik bkl uqichssjko i` shksiqz jk`iqfb|jik jk
iqlhq |i shh$ mhbq$ |bs|h$ iq `hhd iaghc|s jk |mh wiqdl> ^uhqchu|jikV bdsi oxjlhs bk iqobkjsfs
bc|jiks wj|m qhsuhc| |i |mish iaghc|s -Shnxdhq & Adbnh$ 1551$ u+012 cj|hl jk Hzshkcn &
Nhbkh$ 1558*+ Uhqchu|jik uqipjlhs hbcm i` xs wj|m bk jkljpjlxbd qhuqhshk|b|jik i` |mh ix|sjlh
wiqdl+ J| js ciffikdz bssxfhl |mb| uhqchu|jik iccxqs sidhdz wj|mjk |mh aqbjk+ Miwhphq$ sjkch
|mh 2:|m
chk|xqz |mhiqjhs mbph `icxshl ik |mh uqichsshs |mb| iccxq ah`iqh jk`iqfb|jik baix|
s|jfxdj qhbcmhs |mh aqbjk+ \mh |wi fis| sjokj`jcbk| i` |mhsh bqh> |mh |qjcmqifb|jc bkl
iuuikhk|uqichss |mhiqjhs+ _mhk `jqs| lhphdiuhl |mhz whqh ciksjlhqhl |i ah cik|qbljc|iqz$
ax| j| js kiw bcchu|hl |mb| |mh |wi bqh szk|mhsjshl jk bk b||hfu| |i ojph b cifudh|h ujc|xqh i`
mxfbk cidixq uhqchu|jik+
\i xklhqs|bkl |mhsh |mhiqjhs j| js khchssbqz |i lh`jkh wmb| js fhbk| az cidixq+ Cidixqs mbph
|mqhh umzsjcbd cmbqbc|hqjs|jcs -b||qjax|hs i` |mh s|jfxdxs j|shd`* bkl |mqhh uhqchu|xbd
cmbqbc|hqjs|jcs -wmb| wh bc|xbddz shh*+ Hbcm umzsjcbd rxbdj|z js hsshk|jbddz szkikzfixs wj|m
j|s uhqchu|xbd cixk|hqubq|+ \mh `jqs| i` |mhsh bqh wbphdhko|m)mxh+ B wbphdhko|m qh`hqs |i |mh
ljs|bkch ah|whhk |wi iscjddb|jko djom| wbphs -fhbsxqhl jk kbkifh|qhs*+ Bd|ioh|mhq |mhz `iqf
|mh hdhc|qifbokh|jc scbdh+ Mxfbks cbk ikdz shh b djfj|hl ubq| i` |mjs scbdh$ qbkojko `qif 3=5
kbkifh|qhs -kf* |i ?05 kf+ _bphdhko|ms ah|whhk |mhsh |wi h}|qhfhs bqh bdd bssicjb|hl
wj|m b suhcj`jc mxh+ @iq h}bfudh$ b wbphdhko|m i` 805 kf js hrxbd |i b zhddiwoqhhk cidixq+
\mh shcikl sh|s i` cmbqbc|hqjs|jcs bqh jk|hksj|z)aqjom|khss$ |mhz lhuhkl xuik |mh bfixk| i`
hkhqoz |mb| js ahjko hfj||hl iq qh`dhc|hl az |mh iaghc|+ \mh |mjql sh|s i` cmbqbc|hqjs|jcs bqh
uxqj|z)sb|xqb|jik+ B cidixq js `xddz sb|xqb|hl j` j| cik|bjks djom| i` ikdz ikh wbphdhko|m h+o+
uxqh zhddiw+ \mh dhphd i` sb|xqb|jik lhuhkls xuik miw jk|hksh |mh lifjkbk| wbphdhko|m js jk
qhdb|jik |i |mh |i|bd bfixk| i` hkhqoz hfj||hl)qh`dhc|hl+ B uxqh iq `xddz sb|xqb|hl cidixq cbk
ah lhsb|xqb|hl az blljko wmj|h djom|+ \mjs js ahcbxsh wmj|h djom| js fblh xu i` |mh
8/3/2019 How Do We Perceive Colour?
3/10
3
wbphdhko|ms i` bdd uissjadh mxhs+ Bs |mhqh js ki lifjkbk| wbphdhko|m$ wmj|h djom| js
lhscqjahl bs ahjko cifudh|hdz lhsb|xqb|hl -Axsnjs|$ Cbqdsik & Fbq|jk$ 155 |mh |wi djom|s cbk ah shubqb|hl bobjk$ az b uqjsf `iq h}bfudh+ \mh |wi
cidixqs li ki| shhf shubqb|h ahcbxsh ixq pjsxbd `bcxd|z szk|mhsjshs |mhf+ \mh fj}jko h``hc|
mhqh iccxqs wj|mjk ixq iwk uhqchu|jik qb|mhq |mbk jk |mh umzsjcbd wiqdl+ Jk cik|qbs|$ ujofhk|
fj}jko js b sxa|qbc|jph uqichss+ J` zix fj} |wi lj``hqhk| ubjk|s |mhz ahcifh ikh ahcbxsh |mh
djom| wbphs |mb| whqh uqhpjixsdz qh`dhc|hl az |mh iaghc| bqh kiw basiqahl$ fhbkjko |mb| dhss
wbphs bqh bc|xbddz qh`dhc|hl+ Cikshrxhk|dz$ j` qhl$ oqhhk bkl adxh djom|s bqh fj}hl |ioh|mhq j|
cqhb|hs wmj|h djom|$ ax| j` wh fj} qhl$ oqhhk bkl adxh ubjk| j| cqhb|hs b lbqn oqhz iq adbcn+ J| js
bdsi uissjadh |i cqhb|h bdfis| bkz mxh `qif |mhsh |mqhh uqjfbqz cidixqs$ az pbqzjko |mhjq
jk|hksj|z+ \mjs cbk ah shhk jk hphqzlbz dj`h jk |hdhpjsjik bkl cifux|hq scqhhks$ wmjcm xsh qhl$
oqhhk bkl adxh li|s |i cqhb|h |mh jfbohs wh shh+
Jk iqlhq `iq xs |i shh sxcm cidixqs$ djom| ubsshs |mqixom |mh ciqkhb bkl dhks i` |mh hzh bkl mj|s
|mh abcn i` |mh qh|jkb+ J| js mhqh |mb| |mh uqichss i` cidixq uhqchu|jik ahojks+ Sj|xb|hl b| |mh
abcn i` |mh qh|jkb bqh umi|iqhchu|iqs shksj|jph |i lj``hqhk| njkls i` djom|+ Qils bqh blbu|hl `iq
8/3/2019 How Do We Perceive Colour?
4/10
j| js abshl
xuik |mh wbz |mh cikhs bqh qhsuikljko jk qhdb|jik |i ikh bki|mhq+ @iq h}bfudh$ j` b
wbphdhko|m i`
8/3/2019 How Do We Perceive Colour?
5/10
8
\mjs wjdd ah qixomdz lixadh |mh qhsuiksh i` |mh Dcikhs+ I|mhq ub||hqks wjdd qhuqhshk|
lj``hqhk| wbphdhko|ms -@qjldxkl$ Odhj|fbk & Qhjsahqo$ 155
8/3/2019 How Do We Perceive Colour?
6/10
0
Jk qhsuiksh$ Mhqjko -2=?=* uis|xdb|hl b fiqh cifuqhmhksjph |mhiqz i` cidixq uhqchu|jik7 |mh
iuuikhk|uqichss |mhiqz+ Mhqjkos |mhiqz s|b|hs |mb| |mhqh bqh |mqhh lj``hqhk| iuuikhk|
uqichsshs b| wiqn jk |mh pjsxbd szs|hf+ \mhsh bqh bk|boikjs|jc ubjqjkos i` qhloqhhk$ adxh
zhddiw bkl adbcnwmj|h+ J` ikh sjlh i` |mh ubjq js s|jfxdb|hl |mhk |mh i|mhq js jkmjaj|hl$
|mhqh`iqh wh cbk khphq shh b qhlljsmoqhhk iq b zhddiwjsmadxh+ Qhchk| hpjlhkch az Baqbfip
bkl Oiqlik -2::
8/3/2019 How Do We Perceive Colour?
7/10
?
mxfbks*+ \mhz `ixkl iuuikhk|chdds jk |mh db|hqbd ohkjcxdb|h kxcdhxs -DOKb qhdbz s|b|jik
ah|whhk |mh hzh bkl |mh aqbjk*+ \mhsh chdds ahmbphl jk b wbz ciksjs|hk| wj|m |mh iuuikhk|
uqichss |mhiqz$ |mhz whqh h}cj|hl az chq|bjk wbphdhko|ms bkl jkmjaj|hl az i|mhqs+ \mjs s|xlz
ki| ikdz smiws |mb| |mh iuuikhk|uqichsshs h}js|$ ax| bdsi |mb| |mhz iccxq db|hq ik jk |mh
uhqchu|jik uqichss qb|mhq |mbk gxs| |mh hbqdz s|bohs -|mjs js bdsi jk bcciqlbkch wj|m Dhkkjhs
-2::=$ cj|hl jk Hzshkcn & Nhbkh$ 1558* mjhqbqcmjcbd filhd i` pjsxbd uhqchu|jik*+
Bs |mh iuuikhk|uqichss |mhiqz js cikchqkhl wj|m |mh db|hq s|bohs qb|mhq |mbk |mh hbqdjhq
s|bohs i` cidixq uhqchu|jik$ j| fbnhs shksh |i szk|mhsjsh |mh |wi jk iqlhq |i uqipjlh b `xddhq
ujc|xqh i` miw wh uhqchjph cidixq+ Sjokbds `qif |mh |mqhh |zuhs i` cikh bqh shk| |i |mh
iuuikhk| chdds pjb |mqhh cmbkkhds+ \mh adbcnwmj|h cmbkkhd qhchjphs |mh jkmjaj|iqz sjokbds
`qif |mh D bkl Fcikhs+ \mh adxhzhddiw cmbkkhd qhchjphs jkmjaj|iqz sjokbds `qif |mh D
bkl Fcikhs bkl |mh h}cj|b|iqz sjokbds `qif |mh Scikhs+ @jkbddz$ |mh qhloqhhk cmbkkhd
qhchjphs jkmjaj|iqz sjokbds `qif |mh Scikhs bkl Dcikhs bkl h}cj|b|iqz sjokbds `qif |mh F
cikhs -Hzshkcn & Nhbkh$ 1558*+
\ioh|mhq$ |mhsh |mhiqjhs uqipjlh sxcm b cifuqhmhksjph bccixk| i` miw wh uhqchjph cidixq$
|mb| |mhz cbk bdsi mhdu xs |i xklhqs|bkl lh`jcjhkcjhs i` cidixq pjsjik+ Uqi|bkiujb js b diwhqhl
shksj|jpj|z |i dikowbphdhko|m djom| -Qhahq & Qhahq$ 1552*+ J| cbk ah h}udbjkhl jk |hqfs i`
|mh Dcikhs ahjko lbfbohl> |mhqh`iqh |mh qhloqhhk cmbkkhd cbkki| ah bc|jpb|hl+
Lhx|hqbkiujb bkl |qj|bkiujb bqh sjfjdbq ciklj|jiks iccxqqjko wj|mjk |mh Fcikhs)qhloqhhk
cmbkkhd bkl Scikhs)adxhzhddiw cmbkkhd qhsuhc|jphdz+ Lhsuj|h |mh |mhiqjhs ahjko bccxqb|h
hkixom |i h}udbjk sxcm ciklj|jiks$ |mhqh js ikh bsuhc| i` cidixq pjsjik |mb| |mhz cbkki|
h}udbjk+
8/3/2019 How Do We Perceive Colour?
8/10
=
Cidixq ciks|bkcz iccxqs wmhk wh pjhw bk iaghc| bkl |mh wbphdhko|ms `qif |mh djom|sixqch
cmbkoh$ ax| |mh iaghc| buuhbqs |i qhfbjk |mh sbfh cidixq+ Bcciqljko |i |mh |qjcmqifb|jc bkl
iuuikhk|uqichss |mhiqjhs$ b cmbkoh jk wbphdhko|m wixdl dhbl |i b cmbkoh jk uhqchjphl
cidixq+ \mhiqjhs i` cidixq ciks|bkcz sxoohs| |mb| cik|h}| js jfuiq|bk| wmhk wh uhqchjph
cidixq+ Qhshbqcm jk|i cidixq uhqchu|jik js ki| hcidiojcbddz pbdjl bs i`|hk |mh s|jfxdxs
uqhshk|hl |i ubq|jcjubk|s js b sjkodh jsidb|hl iaghc|+ Jk iqlhq |i xklhqs|bkl miw wh uhqchjph
cidixqs j| js khchssbqz |i |bnh jk|i bccixk| |mb| khjomaixqjko s|jfxdj b``hc| wmb| wh shh
-@jkohq$ 2::
8/3/2019 How Do We Perceive Colour?
9/10
:
Qh`hqhkchs
Baqbfip$ J+$ & Oiqlik$ G+ -2::
8/3/2019 How Do We Perceive Colour?
10/10
25
@jkohq$ S+$ -2::