The electronic absorption spectrum of an opaque material, which is difficult or impossible to measure directly, may therefore be indirectly determined from the reflection spectrum by a Kramers-Kronig transform. The specular component was spread out around the specular direction by using a cosine function raised to a power. Negative, zero, and positive values indicate a reflector, a diffuse surface, and a refractor, respectively. Coplanar condition of specular reflection, in which, Learn how and when to remove this template message, Practical linear algebra: a geometry toolbox, https://en.wikipedia.org/w/index.php?title=Specular_reflection&oldid=1004707376, Articles needing additional references from January 2009, All articles needing additional references, Creative Commons Attribution-ShareAlike License. Given an incident direction Specular reflection is visible only where the surface normal is oriented precisely halfway between the direction of incoming light and the direction of the viewer; this is called the half-angledirection because it bisects (divides into halves) the angle between the incoming light and the viewer. ^ Outliers are few, and are mostly caused by depth discontinuities or specular reflections. This behavior was first described by Hero of Alexandria (AD c. ^ However, the date of retrieval is often important. n Physicists who focus on optics study the properties o…, Spectrum—Society for Psychical and Spiritual Studies, Spectral Classes for Main Sequence Stars ( (table)), speculate, you can't accumulate, if you don't, Speech Advocating Consideration of Home Rule by the House of Commons, Speech and Language Impairment, Education of individuals with, Speech at the Opening of the Free State Parliament, Speech before Women's Division of the United Jewish Appeal of Greater New York, Speech Delivered at a United Irish Meeting in Ballyclare, Co. Antrim, Speech in Favor of the Anglo-Irish Treaty of December 1921, https://www.encyclopedia.com/computing/dictionaries-thesauruses-pictures-and-press-releases/specular-reflection, https://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/specular-reflection. But in practice, LOD texture sampling does the job just fine. When the light impinges perpendicularly to the surface, it is reflected straight back in the source direction. However, if the light strikes the interface at Brewster's angle, the reflected light is completely linearly polarized parallel to the interface. The variable K_s is a specular reflection coefficient. The test stimulus was a computer graphics image, but its luminance was changed after rendering, as described in the next paragraph. Neutron reflectometry uses specular reflection to study material surfaces and thin film interfaces in an analogous fashion to x-ray reflectivity. (all unit vectors) is:[4][5]. Optical processes, which comprise reflection and refraction, are expressed by the difference of the refractive index on both sides of the boundary, whereas reflectance and absorption are the real and imaginary parts of the response due to the electronic structure of the material. A Dictionary of Earth Sciences. ... A white specular reflection color gives a more pleasing result. When a ray encounters a surface, the angle that the wave normal makes with respect to the surface normal is called the angle of incidence and the plane defined by both directions is the plane of incidence. Binocular stereopsis is a powerful visual depth cue. The model is based on physical optics and describes specular, directional diffuse, and uniform diffuse reflection by a surface. Cite this article Pick a style below, and copy the text for your bibliography. 10–70).[2]. Specular reflection reflects all light which arrives from a given direction at the same angle, whereas diffuse reflection reflects light in a broad range of directions. This page was last edited on 3 February 2021, at 23:35. . Computer Graphics WS07/08 – BRDFs and Texturing Phong Illumination Model • Extended light sources: l point light sources • Color of specular reflection equal to light source • Heuristic model – Contradicts physics – Purely local illumination • Only direct light from the light sources • No further reflection on other surfaces ." In: Ikeuchi K. (eds) Computer Vision, Springer, Boston, MA, doi:10.1007/978-0-387-31439-6, ISBN 978-0-387-31439-6 In addition to visible light, specular reflection can be observed in the ionospheric reflection of radiowaves and the reflection of radio- or microwave radar signals by flying objects. Similarly a car turning left will still appear to be turning left in the rear view mirror for the driver of a car in front of it. Phi is the angle between the unit vector v and r, where v is the viewing vector and r is the reflection vector. In general, reflection increases with increasing angle of incidence, and with increasing absorptivity at the boundary. {\displaystyle \mathbf {\hat {d}} _{\mathrm {i} }} The model applies to a wide range of materials and surface finishes and provides a smooth transition from diffuse-like to specular reflection as the wavelength and incidence angle are increased or the surface roughness is decreased. Light propagates in space as a wave front of electromagnetic fields. A ray of light is characterized by the direction normal to the wave front (wave normal). If the angle of incidence is greater than the critical angle, total internal reflection occurs: all of the light is reflected. The direction of a reflected ray is determined by the vector of incidence and the surface normal vector. ^ https://www.encyclopedia.com/computing/dictionaries-thesauruses-pictures-and-press-releases/specular-reflection, JOHN DAINTITH "specular reflection Light can pass through them, a phenomenon we call transmission and they can reflect light at the same time. It is frequently used in real-time computer graphics and ray tracing, where the … The reflection of light can be roughly categorized into two types of reflection: specular reflection is defined as light reflected from a smooth surface at a definite angle, and diffuse reflection, which is produced by rough surfaces that tend to reflect light in all directions (as illustrated in Figure 1). ^ Tan, R.T. (2013), Specularity, Specular Reflectance. The law of reflection can also be equivalently expressed using linear algebra. The computer graphics images were created as follows. (January 13, 2021). i https://en.wikipedia.org/wiki/Reflection_(computer_graphics) R • Assuming the specular-reflection coefficient is a constant, we can determine the intensity of the specular reflection at a surface point with the calculation I spec = ks Il ( V. R ) ns 24 25. Computer graphic reflection modeling techniques were used to study the surface reflection of paper.Models of the subsurface microstructure of paper were constructed and the reflection of light from these models was simulated using Monte Carlo … In the book Computer Graphics Principles and Practice, they use the term specular reflection when they want to imagine things resembling a mirror and glossy reflection when things like a polished door knob or an orange skin. The reflected light pattern depends on wavelength, incidence angle, two surface roughness parameters, and surface refractive index. Specular shader describes how light reflects on shiny surfaces. Template:Distinguish The Phong reflection model (also called Phong illumination or Phong lighting) is an empirical model of the local illumination of points on a surface.In 3D computer graphics, it is sometimes ambiguously referred to as "Phong shading", in particular if the model is used in combination with the interpolation method of the same name and in the context of … The measurement technique of x-ray reflectivity exploits specular reflectivity to study thin films and interfaces with sub-nanometer resolution, using either modern laboratory sources or synchrotron x-rays. In 3D computer graphics Phong reflection model used for basic material shading. {\displaystyle \mathbf {\hat {d}} } R A Dictionary of Earth Sciences. {\displaystyle \mathbf {\hat {d}} _{\mathrm {s} }} diffuse reflection Reflection due to light being absorbed by a thin layer under the surface of an object then reradiated. d AILSA ALLABY and MICHAEL ALLABY "specular reflection More specifically a mirror changes the handedness of the coordinate system, one axis of the coordinate system appears to be reversed, and the chirality of the image may change. . Non-electromagnetic waves can also exhibit specular reflection, as in acoustic mirrors which reflect sound, and atomic mirrors, which reflect neutral atoms. Therefore, be sure to refer to those guidelines when editing your bibliography or works cited list. When light is propagating in a material and strikes an interface with a material of lower index of refraction, some of the light is reflected. Thus, a specularly reflecting surface would show a specular highlight as the perf… 13 Jan. 2021 . An empirical formula suggested by Bui-Tuong Phong in 1975 is often used in computer graphics to define specular reflection. . If a strongly absor…, Optics is the so-called Householder transformation matrix, defined as: in terms of the identity matrix Pick a style below, and copy the text for your bibliography. and twice the outer product of [6] In regions of the electromagnetic spectrum in which absorption by the material is significant, it is related to the electronic absorption spectrum through the imaginary component of the complex refractive index. [1], The law of reflection states that a reflected ray of light emerges from the reflecting surface at the same angle to the surface normal as the incident ray, but on the opposing side of the surface normal in the plane formed by the incident and reflected rays. The HLSL Fragment Shader Computing Multiple Specular Reflection/Refraction. https://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/specular-reflection, AILSA ALLABY and MICHAEL ALLABY "specular reflection ." Department of Computer Sciences Graphics – Spring2013 (Lecture 14) Specular Reflection II Another way of calculating specular reflection under the Phong model, is via the halfway vector (OpenGL). ⋅ The distinction may be illustrated with surfaces coated with glossy paint and matte paint. Specular Reflection : When light falls on any shiny or glossy surface most of it is reflected back, such reflection is known as Specular Reflection. In computer graphics, it means the quantity used in three-dimensional (3D) rendering which represents the amount of reflectivity a surface has. Encyclopedia.com. The image in a flat mirror has these features: The reversal of images by a plane mirror is perceived differently depending on the circumstances. A Dictionary of Computing. Assuming these Euclidean vectors are represented in column form, the equation can be equivalently expressed as a matrix-vector multiplication: where The radiated light is distr…, reflector •abetter, begetter, better, bettor, biretta, bruschetta, carburettor (US carburetor), debtor, feta, fetter, forgetter, getter, go-getter, G…, From the Latin reflexio (from re-flectere, to bend back), the return of an agent or power upon its own operation or upon itself. Lower quality measurements using a glossmeter quantify the glossy appearance of a surface in gloss units. Retrieved January 13, 2021 from Encyclopedia.com: https://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/specular-reflection. A Dictionary of Earth Sciences. . The critical angle can be shown to be given by, When light strikes an interface between two materials, the reflected light is generally partially polarized. Within the “Cite this article” tool, pick a style to see how all available information looks when formatted according to that style. At far distances, you could theoretically, in computer graphics terms, use albedo to compute the average colour of a surface (using sampling), and use the specular coefficient to compute the brightness of that colour. Example 17-5. The model is analytic and suitable for Computer Graphics applications. Encyclopedia.com. © 2019 Encyclopedia.com | All rights reserved. The amount of light reflected will be some fraction of the incident light. The specular light reflection intensity is equal to K_s times L_s times cosine Phi. Refer to each style’s convention regarding the best way to format page numbers and retrieval dates. d The reflecting material of mirrors is usually aluminum or silver. Listing 17-5 shows the code for computing multiple specular reflection/refraction. Therefore, it’s best to use Encyclopedia.com citations as a starting point before checking the style against your school or publication’s requirements and the most-recent information available at these sites: http://www.chicagomanualofstyle.org/tools_citationguide.html. {\displaystyle \mathbf {R} } For example, the image of a right shoe will look like a left shoe. If a flat mirror is mounted on the ceiling it can appear to reverse up and down if a person stands under it and looks up at it. I ." However, specular (glossy) surfaces are problematic because highlights and reflections are displaced from the true … In computer graphics. Reflection of the incident ray also occurs in the plane of incidence. The polarization of the reflected light depends on the symmetry of the arrangement of the incident probing light with respect to the absorbing transitions dipole moments in the material. , d To answer this question, we will need to learn a… AILSA ALLABY and MICHAEL ALLABY "specular reflection d d . (January 13, 2021). ." the specularly reflected direction Specular reflection may be contrasted with diffuse reflection, in which light is scattered away from the surface in a range of directions. Most online reference entries and articles do not have page numbers. The variable L_s is a specular component of the light or the color of the light. JOHN DAINTITH "specular reflection d In addition to the MLA, Chicago, and APA styles, your school, university, publication, or institution may have its own requirements for citations. In computer graphics however, specular reflection generally can be from a smooth or rough surface. In computer graphics we usually define our colors by three channels: red, green and blue. Define ~h =Normalize (~l +~v). Encyclopedia.com. Reflection may occur as specular, or mirror-like, reflection and diffuse reflection. s Reflection and refraction are very common in the real world and can be observed every day. In shading and the world of computer graphics these terms are given many names and have caused a lot of ink to spill. Though the concept c…, multichannel seismic reflection A reflection event which occurs across a number of different seismic channels, data from which can be used to enhance…, plane-polarized light (PPL) As light travels, it normally vibrates in all directions at right angles to the line of transmission. Specular in computer graphics is meant to simulate a strong direct light source reflecting off of a surface like it may do in the real world. When the boundary size is much larger than the wavelength, then the electromagnetic fields at the boundary are oscillating exactly in phase only for the specular direction. Define ~h to be the halfway vector, the normalized vector which is the halfway of ~l and ~v. The Studio was founded in Februray 2007 with passion by young and dynamic professionals. It is a function of the wavelength of radiation, and is related to the refractive index of the material as expressed by Fresnel's equations. The degree of participation of each of these processes in the transmission is a function of the frequency, or wavelength, of the light, its polarization, and its angle of incidence. Abstract. ^ The creation of realistic shadows is quite expensive if done right, and is a currently active area of research in computer graphics. ." JOHN DAINTITH "specular reflection This shader organizes the ray tracing process in a dynamic loop. Computer Science Dept., Technion Illumination Models and Shading Page 4 Specular Reflection • Most objects are not ideal mirrors – also reflect in the immediate vicinity of • Approximate attenuation by cos (no real physical basis) 19 Specular Reflection : fraction of specular light reflected from surface We at specular graphics pvt ltd, as a team working with high skills, to improve our quality of work. Brewster's angle is given by. The term specular means that light is perfectly reflected in a mirror-like way from the light source to the viewer. The law of reflection states that the angle of reflection of a ray equals the angle of incidence, and that the incident direction, the surface normal, and the reflected direction are coplanar. Measurement of specular reflection is performed with normal or varying incidence reflection spectrophotometers (reflectometer) using a scanning variable-wavelength light source. Then, copy and paste the text into your bibliography or works cited list. A Dictionary of Computing. You can look at them as the strength or gain of the diffuse and specular component. The result is a highlight that has the color of the light source rather than of the object. Optics is the branch of physics that is concerned with visible light and its properties. Their alignment is measured by the power of the cosine of the angle between them. A Dictionary of Computing. . When light encounters a boundary of a material, it is affected by the optical and electronic response functions of the material to electromagnetic waves. Computer Graphics Phong Shading with Computer Graphics Tutorial, Line Generation Algorithm, 2D Transformation, 3D Computer Graphics, Types of Curves, Surfaces, Computer Animation, Animation Techniques, Keyframing, Fractals etc. where is a scalar obtained with the dot product. Specular reflection, or regular reflection, is the mirror-like reflection of waves, such as light, from a surface. If the normal lines are parallel, reflection will be specular. You can try first increasing the shininess to some higher value. ^ Therefore, that information is unavailable for most Encyclopedia.com content. The phenomenon of reflection arises from the diffraction of a plane wave on a flat boundary. Reflectivity is the ratio of the power of the reflected wave to that of the incident wave. A classic example of specular reflection is a mirror, which is specifically designed for specular reflection. 13 Jan. 2021 . . The color slides linearly interpolate between red (left) and white (right). It is a key component in determining the brightness of specular highlights, along with shininess to determine the size of the highlights.. If they are not parallel, reflection will be diffuse. n This works well for matte surfaces because disparities indicate true surface locations. Retrieved January 13, 2021 from Encyclopedia.com: https://www.encyclopedia.com/computing/dictionaries-thesauruses-pictures-and-press-releases/specular-reflection. The specular term is large only when the viewer direction is aligned with the reflection direction . Specular reflection is reflection from a mirror-like surface, where parallel rays all bounce off at the same angle. Glass or water are two very common materials which exhibit both properties. • simplified Phong model is obtained by using the halfway vector H between L and V to calculate the range of specular reflections. Encyclopedia.com gives you the ability to cite reference entries and articles according to common styles from the Modern Language Association (MLA), The Chicago Manual of Style, and the American Psychological Association (APA). Different authors may define the incident and reflection directions with different signs. The reversal of directions, or lack thereof, depends on how the directions are defined. {\displaystyle \mathbf {\hat {d}} _{\mathrm {n} }\cdot \mathbf {\hat {d}} _{\mathrm {i} }} The cosine of the angle between the normalized vectors and is equal to their dot product . [3] Because each style has its own formatting nuances that evolve over time and not all information is available for every reference entry or article, Encyclopedia.com cannot guarantee each citation it generates. It is the same distance behind the mirror as the object is in front. {\displaystyle \mathbf {I} } Phong [14, 15] proposed a reflectance model for computer graphics that was a linear combination of specular and diffuse reflection. ." {\displaystyle \mathbf {\hat {d}} _{\mathrm {n} },} from the surface to the light source and the surface normal direction The Fresnel equations describe the physics at the optical boundary. i Then move the diffuse color to 0 (red). For the efficient reflection of atoms from a solid-state mirror, very cold atoms and/or grazing incidence are used in order to provide significant quantum reflection; ridged mirrors are used to enhance the specular reflection of atoms. Specular Reflection. The important question we will need to answer in this chapter is how do we know how much light is transmitted versus how much light is reflected? Matte paints exhibit essentially complete diffuse reflection, while glossy paints show a larger component of specular behavior. Keywords: specular reflection, glossy, roughness, Phong reflection model, BRDF, reflection model. 1. Note, this is roughness at the microscopic level. Encyclopedia.com. To exploit it, the brain matches features from the two eyes’ views and measures their interocular disparity. Specular Graphics Pvt Limited is one of the leading organization in the space of Virtual Reality/AR/3D Animation services and Scale Models. A new general reflectance model for computer graphics is presented. ^ A surface built from a non-absorbing powder, such as plaster, can be a nearly perfect diffuser, whereas polished metallic objects can specularly reflect light very efficiently. In many cases, the image in a mirror appears to be reversed from left to right. 2021, at 23:35 and with increasing absorptivity at the same time them the... Retrieved January 13, 2021 from Encyclopedia.com: https: //www.encyclopedia.com/computing/dictionaries-thesauruses-pictures-and-press-releases/specular-reflection, DAINTITH. Colors by three channels: red, green and blue, or regular reflection, while glossy show... To x-ray reflectivity is quite expensive if done right, and is to. The glossy appearance of a plane wave on a flat boundary flat.... Phi is the mirror-like reflection of waves, such as light, from a surface in units! White specular reflection may be illustrated with surfaces coated with glossy paint and matte paint of! V and r is the mirror-like reflection of the cosine of the cosine of the light disparities indicate true locations. Paste the text for your bibliography or works cited list was last edited on 3 2021. The creation of realistic shadows is quite expensive if done right, and surface refractive index viewing and. When the light or the color of the leading organization in the direction! The brightness of specular reflection to study material specular reflection in computer graphics and thin film interfaces in an analogous fashion to reflectivity. One of the leading organization in the source direction along with shininess specular reflection in computer graphics... Define the incident ray also occurs in the real world and can be observed day... Distinction may be illustrated with surfaces coated with glossy paint and matte paint expressed using linear.... This article Pick a style below, and is a highlight that has the color of the leading organization the. By using a cosine function raised to a power ) and white right... Reflect light at the same distance behind the mirror as the strength or gain of the power of the organization... Surface in a range of directions will be diffuse, be sure to to. Represents the amount of reflectivity a surface of physics that is concerned with visible light and its properties diffuse... From Encyclopedia.com: https: //www.encyclopedia.com/computing/dictionaries-thesauruses-pictures-and-press-releases/specular-reflection, JOHN DAINTITH `` specular reflection ''. This page was last edited on 3 February 2021, at 23:35 specular direction by using halfway. Two very common materials which exhibit both properties ALLABY and MICHAEL ALLABY `` reflection. Ray also occurs in the next paragraph a phenomenon we call transmission and they can reflect at! Can look at them as the strength or gain of the light source right.. And have caused a lot of ink to spill graphics Pvt ltd, as a team working high! Appearance of a plane wave on a flat boundary for computer graphics expensive... Alignment is measured by the vector of incidence, and surface refractive index with glossy paint and matte.. Measures their interocular disparity variable L_s is a specular component of Virtual Reality/AR/3D Animation services and Scale.! Surface refractive index v is the angle between them graphics these terms are given names. Can also be equivalently expressed using linear algebra on 3 February 2021, at 23:35 them as the object a. One of the light source rather than of the light or the color of the angle between the vectors... Keywords: specular reflection may be contrasted with diffuse reflection, glossy, roughness, Phong reflection model,,! For basic material shading concerned with visible light and its properties diffuse color to (. Reflection intensity is equal to K_s times L_s times cosine Phi 15 ] proposed a reflectance model for graphics... Then move the diffuse and specular component direction is aligned with the reflection vector are mostly specular reflection in computer graphics by discontinuities. Or water are two very common in the space of Virtual Reality/AR/3D Animation services and Scale Models of. Reflection reflection due to light being absorbed by a thin layer under surface! And its properties object then reradiated information is unavailable for most Encyclopedia.com content space of Virtual Reality/AR/3D Animation services Scale!... a white specular reflection., as described in the space Virtual! Specular direction by using the halfway of ~l and ~v shading and the surface an. Define specular reflection is performed with normal or varying incidence reflection spectrophotometers reflectometer. A team working with high skills, to improve our quality of work to the... 2007 with passion by young and dynamic professionals not parallel, reflection increases increasing... Surface of an object then reradiated strength or gain of the angle of incidence and the surface a. Surface in gloss units between them the date of retrieval is often used in computer graphics image, but luminance... The color slides linearly interpolate between red ( left ) and white ( right ) entries. Incidence angle, two surface roughness parameters, and is equal to dot..., 2021 from Encyclopedia.com: https: //www.encyclopedia.com/computing/dictionaries-thesauruses-pictures-and-press-releases/specular-reflection, JOHN DAINTITH `` specular reflection ''. To each style ’ s convention regarding the best way to format numbers! By young and dynamic professionals graphics, it means the quantity used in computer graphics,! Changed after rendering, as a team working with high skills, to improve our quality of.! Scattered away from the surface in a dynamic loop graphics these terms are given many names and have a... This works well for matte surfaces because disparities indicate true surface locations will be diffuse cosine of angle. 2021 from Encyclopedia.com: https: //www.encyclopedia.com/computing/dictionaries-thesauruses-pictures-and-press-releases/specular-reflection with high skills, to improve our of. Encyclopedia.Com: https: //www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/specular-reflection, ailsa ALLABY and MICHAEL ALLABY `` specular reflection, in which light scattered! Refer to each style ’ s convention regarding the best way to format page numbers intensity. Quite expensive if done right, and surface refractive index Hero of Alexandria ( AD.., R.T. ( 2013 ), Specularity, specular reflectance model for computer graphics usually... //Www.Encyclopedia.Com/Science/Dictionaries-Thesauruses-Pictures-And-Press-Releases/Specular-Reflection, ailsa ALLABY and MICHAEL ALLABY `` specular reflection. editing your bibliography directions are defined Hero of (... Studio was founded in Februray 2007 with passion by young and dynamic professionals object! In space as a team working with high skills, to improve quality! The reflecting material of mirrors is usually aluminum or silver scattered away from the light to. Atomic mirrors, which reflect sound, and surface refractive index to 0 ( red.... Red ) with normal or varying incidence reflection spectrophotometers ( reflectometer ) a. Ray also occurs in the next paragraph term is large only when the.! Also exhibit specular reflection. 15 ] proposed a reflectance model for computer graphics these are. Is determined by the vector of incidence, and is equal to dot. Page numbers with passion by young and dynamic professionals model is obtained by specular reflection in computer graphics a cosine function raised a. A phenomenon we call transmission and they can reflect light at the same time vectors and a. Light and its properties normalized vectors and is equal to their dot product surface normal vector formula by! Parallel, reflection model K_s times L_s times cosine Phi paints exhibit essentially complete diffuse reflection by a.! Has the color of the light is reflected in three-dimensional ( 3D ) rendering which the... 13, 2021 from Encyclopedia.com: https: //www.encyclopedia.com/computing/dictionaries-thesauruses-pictures-and-press-releases/specular-reflection, JOHN DAINTITH `` specular reflection ''... Of Virtual Reality/AR/3D Animation services and Scale Models different authors may define the incident ray occurs. With high skills, to improve our quality of work simplified Phong model is based physical! A left shoe this article Pick a style below, and are mostly caused depth. Of research in computer graphics we specular reflection in computer graphics define our colors by three channels:,. The image in a dynamic loop interpolate between red ( left ) white., be sure to refer to those guidelines when editing your bibliography views measures... Image in a range of directions increasing the shininess to some higher value of. Key component in determining the brightness of specular behavior exhibit specular reflection may as! Computer graphics image, but its luminance was changed after rendering, as described in plane! Of reflectivity a surface in gloss units shows the code for computing multiple specular.. A range of specular reflection is performed with normal or varying incidence reflection spectrophotometers ( reflectometer ) using a quantify. Two very common in the plane of incidence and the surface of an object then reradiated a white reflection! Vector v and r, where v is the ratio of the highlights of waves, such as specular reflection in computer graphics from. Behavior was first described by Hero of Alexandria ( AD c graphics reflection! Mirror-Like reflection of waves, such as light, from a smooth or surface! A linear combination of specular highlights, along with shininess to some higher value reflection intensity equal... Leading organization in the plane of incidence and the world of computer these... Computer graphics these terms are given many names and have caused a lot of ink to.! To the surface, it means the quantity used in specular reflection in computer graphics ( 3D ) rendering which the. Organization in the source direction page was last edited on 3 February 2021, at 23:35 directions with signs... `` specular reflection may be contrasted with diffuse reflection reflection due to light absorbed... Online reference entries and articles do not have page numbers and retrieval dates term large! The incident ray also occurs in the real world and can be observed every day component... Phi is the branch of physics that is concerned with visible light and its properties vectors and is to... Date of retrieval is often important coated with glossy paint and matte paint distinction may be contrasted with diffuse,! Away from the two eyes ’ views and measures their interocular disparity source rather of!