POPEYES
IT SHOWED 17:59...
MY STUDY TABLE..GOT HIGHLIGHTER,CALCULATOR,PENCIL,WATER BOTTLE,NOTES,ORGANISER,PAPER AND ETC..BUT NO SNACKS, SO PLEASE BE NICE TO ME AND BUY SNACKS FOR ME. =))
MY FIRST PAPER!!! PHYSIOLOGICAL AND VISUAL OPTICS!!!
PHYSIOLOGICAL AND VISUAL OPTICS- IT COVERS
THE VISUAL PATHWAY,THE 3 WAYS-CENTRIPETAL,LATERAL AND CENTRIFUGAL,
PSYCHOPHYSICAL METHODS-METHOD OF ADJUSTMENT,METHOD OF LIMIT,METHODS OF CONSTANT STIMULI AND STAIRCASE METHODS,
DUPLEX NATURE OF THE RETINA, LIGHT ADAPTION- DARK LIGHT,SQUARE-ROOT LAW,WEBER'S LAW AND SATURATION,DARK ADAPTION,SPATIAL SUMMATION AND RESOLUTION AND TEMPORAL SUMMATION AND RESOLUTION,
COLOUR VISION-MONOCHROMACY( i photoreceptor is present,distinguish by intensity due to the principle of univariance),DICHROMACY (2 photoreceptor are present,distinguish by wavelength) AND TRICHROMACY
Grassman law
1) additivity properties- add the same radiations
2) scalar properties- add the same intensity
3) associativeproperties- substituted one metamer with another.
*metamer refer to 2stimuli appear indentical but they are physically different.
TRICARIANCE OF COLOUR VISION- psychophysical colour matching experiment,retinal densitometry,microspectrometry and electrophysical recording
colour label
1)hue-associated with wavelength
2)saturation
saturation- very little white,full colour
desaturation= a lot of white
saturation power- ablity to change white colour
pure colour have a colurimetric purity of 1
colour discrimination function deternine how much change in wavelength is needed to detect a diff.
1) Hue discrimination function= w shaped,blue yellow and red,x-axis= frequency, y=axis= change in wavelength
2) Saturation discrimination function =v-shaped,blue,yellow and red, x=axis = frequency,y-axis=Lw+Ll/Ll. yellow has the lowest saturation power,need 7 units of yellow to change white. Ll refer to the luminance of the test light and Lw refers to the luminance of the white light.
colour specification :
munsell colour system-
hue-----wavelength,chroma----colourimetric purity( 1 -a lot of white,14 is without white) and value----birghtness(0 is darkness and 10 is brightness)
ClE
real primaries( got -ve value) and imaginary colour( no -ve value)
Dominant colour--join the white
Excitation purity= a/a+b ( a is the distance frm w to the complemetary line)
complemetary colour----2 colours/wavelength mixed to prodcue white.
abnormal colour vision
A: dichromacy( person tt have is called dichromat)--1 photoreceptor is missing
1) protanopia-- dun have erythrolabe( red photoreceptor)
2) deuteranopia--dun have chlorolabe(green photoreceptor)
3) tritanopia--duin have cyanolabe( blur photorepceptor)
B: anomalous trichromacy(anomalous trichormat)---3 photoreceptos are present but one of them is not working well.
1) protanomaly-erythrolabe is not working well,wavelength is less than 565 nm
2) deuteranomaly-chlorolabe is not working well,wavelength is more than 535 nm
3) tritanomaly-cyanolabe is not working well, peak sentivitity decreased,wavelength remain as 430 nm.
c: monochromacy(achromat)
1) typical Rod
2) blue cone
3) atypical cone
and blah blah blah..
shall not type animore..going to be crazy if i continue to recap and type.
next shall study microbiology and i will just study 3 topics and back to mingxia notes.
azaza fighting..
