Questions tagged [human-vision]
The human-vision tag has no usage guidance.
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Realistic rendering: which processes of the human eye and brain do I need to consider?
Photorealistic rendering has the goal of rendering an image as a real camera would capture it. While this is already an ambitious goal, for certain scenarios you might want to take it further: render ...
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Finding a color perceptually similar to an image
I'm working on a program to use randomly-selected images as a desktop background. Now, not all images are the same shape as a computer monitor. One idea I had for dealing with this is to set a ...
4
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Pixel density / color channel depth ratio for dithered gradients
Dithering increases percieved color depth by adding a "noise" to an image on transform from high color depth (e.g. 32-bit floating point) to lower color depth (e.g. 8-bit integer). A prerequisite is ...
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human visual: relation of Distance and DPI
I was told that human's visual sharpness is 60 pixels per degree. As such, pixel per inch is approximately given by:
PPI = 1/ (Distance * tg((1/60*pi/180) )
Is ...
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What vergence angle is commonly used for "infinitely far away" objects in stereoscopic displays?
I think that VR / AR experts will know the answer to this.
At what vergence angle are "infinitely far away" objects such as star field textures drawn in head-mounted VR / AR displays ?
I ...
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Constraining a Polyline to Look Smooth
What are the mathematical constraints required for a polyline, i.e., a piecewise linear curve, to appear as a smooth curve to human vision? I've discovered one document that specifies only that the ...
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What is the best way to display complex number "images"?
I may be getting some details wrong (e.g. colour space vs. colour model), so please bear with me:
I want to represent "images" consisting of complex numbers i.e. for each "pixel" ...
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How to get "Equal" (saturation, brightness) Red and Green Colours in a Web-based Application?
I am looking for a red and a green hue that are equally discernable against a gray background on any PC monitor, using HTML/CSS-based application. There are many possible solutions to balance these ...
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How to apply SSRT to an existing image with associated depth map?
I have the following image and depth map from a CV paper:
I want to know if there is an existing way to apply screen space rendering to a pre-existing image.
Before someone yells ate me saying "Why ...