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Mathematical function in general imaging
The contrast transfer function (CTF) mathematically describes how aberrations in a transmission electron microscope (TEM) modify the image of a sample
Contrast_transfer_function
Characteristic of an optical system
the imaging contrast, as given by the magnitude or modulus of the optical-transfer function, is of primary importance. This derived function is commonly
Optical_transfer_function
Imaging mode of electron microscopes
function of the aberrations of the microscope. It is described by the contrast transfer function. The phase contrast transfer function is a function of
High-resolution transmission electron microscopy
High-resolution_transmission_electron_microscopy
Imaging and diffraction using electrons that pass through samples
the contrast in the image, the TEM may be operated at a slight defocus to enhance contrast, owing to convolution by the contrast transfer function of the
Transmission electron microscopy
Transmission_electron_microscopy
Method of analyzing transmission electron microscopy imagery
visible as a point spread function. The combined effects of the imaging conditions are known as the contrast transfer function (CTF), and can be approximated
Single_particle_analysis
Ability of an imaging system to resolve detail
depend upon the system being tested. Typical test charts for Contrast Transfer Function (CTF) consist of repeated bar patterns (see Discussion below)
Optical_resolution
Topics referred to by the same term
technology used in lithographic printing Contrast threshold function, in physiological imaging Contrast transfer function, in general imaging Controlled thermonuclear
CTF
Type of microscope with electrons as a source of illumination
the multiple scattering of the electrons and the effect of the contrast transfer function of the microscope. There are many other imaging variants that
Electron_microscope
Algorithmic imaging methods that reconstruct quantitative phase and amplitude
quantitative maps of phase, strain, and electron density without contrast transfer function correction; and (iii) enables non-destructive three-dimensional
Computational_microscopy
Standard for video display gamma
ITU-R BT.1886 is the reference EOTF of SDR-TV. It is a gamma 2.4 transfer function (a power law with a 2.4 exponent) considered as a satisfactory approximation
ITU-R_BT.1886
British physicist (1918–1994)
the first to establish the modulation transfer function (MTF) – sometimes called the contrast transfer function (CTF) – as the leading measure of image
Harold_Hopkins_(physicist)
Computer file operation
receiving such a file. Downloading generally transfers entire files for local storage and later use, as contrasted with streaming, where the data is used nearly
Download
Medical diagnostic method
area, and transfer constants. DCE-MRI can also provide model-independent parameters, such as T1 (which is not technically part of the contrast scan and
Perfusion_MRI
Tomography technique
to distinguish voids from high-density inclusions. Second, the contrast transfer function of BF-TEM is essentially a high-pass filter – information at low
Electron_tomography
Type of energy transfer
Heat transfer rate, or heat flow per unit time, is denoted by Q ˙ {\displaystyle {\dot {Q}}} , but it is not a time derivative of a function of state
Heat
Educational psychology concept
mental function" could influence a related one. Their theory implied that transfer of learning depends on how similar the learning task and transfer tasks
Transfer_of_learning
British Nigerian medical biophysicist (1963–2021)
resolution than previously obtained. They used a technique called contrast transfer function (CTF) as well as a correction for Ewald sphere curvature and they
Mavis_Agbandje-McKenna
Mathematical transform that expresses a function of time as a function of frequency
takes a function as input and outputs another function that describes the extent to which various frequencies are present in the original function. The output
Fourier_transform
The signal transfer function (SiTF) is a measure of the signal output versus the signal input of a system such as an infrared system or sensor. There
Signal_transfer_function
Video with a dynamic range that was standard before high-dynamic-range video
sRGB color gamut. It uses the gamma curve as its electro-optical transfer function. The first CRT television sets were manufactured in 1934 and the first
Standard-dynamic-range_video
Types of contrast agents used for magnetic resonance imaging
scleroderma. It may occur months after contrast injection. Patients with severely deteriorated kidney function are more at risk for NSF, with dialysis
MRI_contrast_agent
Multi-winner electoral system
rules; in the STV case, the vote is transferred to another tier in favour of the chosen party list. (This is in contrast to the mixed single vote, which is
Single_transferable_vote
Enhanced signal representation in digital media
the HLG transfer function) Formats that are only used for storage purpose, such as: Raw image formats Formats that use a linear transfer function with high
High_dynamic_range
Function describing equilibrium states of a system
thermodynamics of equilibrium, a state function, function of state, or point function for a thermodynamic system is a function relating several state variables
State_function
Imaging systems using changes in phase
1953. Ever since, phase-contrast microscopy has been an important field of optical microscopy. The transfer of phase-contrast imaging from visible light
Phase-contrast_X-ray_imaging
Physical law relating heat loss to temperature difference
However, the heat transfer coefficient is a function of the temperature difference in natural convective (buoyancy driven) heat transfer. In that case, Newton's
Newton's_law_of_cooling
Video and image technology for HDR displays
transfer functions, full or limited range, the Rec. 2020 wide color gamut and YCBCR or ICTCP as color space. SDR uses a gamma curve transfer function
High-dynamic-range_television
Application layer protocol
HTTP (Hypertext Transfer Protocol) is an application layer protocol in the Internet protocol suite for distributed, collaborative, hypermedia information
HTTP
Graphical method of determining the stability of a dynamical system
defined by non-rational functions, such as systems with delays. In contrast to Bode plots, it can handle transfer functions with right half-plane singularities
Nyquist_stability_criterion
Mode of convergence of a function sequence
graphs of all but finitely many of the functions f n {\displaystyle f_{n}} lie within that thin band. This is in contrast to pointwise convergence, in which
Uniform_convergence
Property of many linear time-invariant (LTI) systems
The z domain transfer function of an IIR filter contains a non-trivial denominator, describing those feedback terms. The transfer function of an FIR filter
Infinite_impulse_response
Fact that observing a situation changes it
additional real or complex load to the circuit, thus changing the transfer function and behavior of the circuit itself. Even a more passive device such
Observer_effect_(physics)
Spectral density of light emitted by a black body
There is a difference between conductive heat transfer and radiative heat transfer. Radiative heat transfer can be filtered to pass only a definite band
Planck's_law
Biological process
through the pollen tube. Allogamy is also known as cross fertilization, in contrast to autogamy or geitonogamy which are methods of self-fertilization. Self-fertilization
Reproduction
Medical imaging technique
staging and follow-up of disease. Compared to CT, MRI provides better contrast in images of soft tissues, e.g. in the brain or abdomen. However, it may
Magnetic_resonance_imaging
for other defocus values because the transfer properties of the objective lens alter the image contrast as function of the defocus. Hence atom columns which
Crystallographic image processing
Crystallographic_image_processing
Technique in neural networks for learning joint representations of text and images
Contrastive Language–Image Pre-training (CLIP) is a technique for training a pair of neural network models, one for image understanding and one for text
Contrastive Language–Image Pre-training
Contrastive_Language–Image_Pre-training
Special mathematical functions defined on the surface of a sphere
In mathematics and physical science, spherical harmonics are special functions defined on the surface of a sphere. They are often employed in solving
Spherical_harmonics
Influence one language has on the acquisition or intelligibility of another
Language transfer is the application of linguistic features from one language to another by a bilingual or multilingual speaker and may occur across both
Language_transfer
Equation describing the universe's density contrast
spectrum describes the density contrast of the universe (the difference between the local density and the mean density) as a function of scale. It is the Fourier
Matter_power_spectrum
Microscopic optical resolution test device
of resolution as the modulation transfer function is available by plotting the observed image contrast as a function of the various element spatial frequencies
1951 USAF resolution test chart
1951_USAF_resolution_test_chart
electron transfer chain) or hydrogen peroxide (dehydrogenation of fatty acyl-CoA in peroxisomes). Most of the oxidases are flavoproteins. By contrast, "mixed-function
Mixed-function_oxidase
Sequence of program instructions invokable by other software
In computer programming, a function (also procedure, method, subroutine, routine, or subprogram) is a callable unit of software logic that has a well-formed
Function (computer programming)
Function_(computer_programming)
Form of project financing
Build–operate–transfer (BOT) or build–own–operate–transfer (BOOT) is a form of project delivery method, usually for large-scale infrastructure projects
Build–operate–transfer
Hash function that is suitable for use in cryptography
single algorithm, in contrast to BLAKE and BLAKE2, which are algorithm families with multiple variants. The BLAKE3 compression function is closely based on
Cryptographic_hash_function
Function that ranks states of society according to their desirability
choice theory, a social welfare function—also called a social ordering, ranking, utility, or choice function—is a function that ranks a set of social states
Social_welfare_function
High dynamic range standard that was jointly developed by the BBC and NHK
The hybrid log–gamma (HLG) transfer function is a transfer function jointly developed by the BBC and NHK for high dynamic range (HDR) display. It is backward
Hybrid_log–gamma
Function characterizing the interactions between photons and quarks
The photon structure function, in quantum field theory, describes the quark content of the photon. While the photon is a massless boson, through certain
Photon_structure_function
Technique for running a program on a computer without directly calling it
In contrast to the traditional technique of calling a program by name, message passing uses an object model to distinguish the general function from
Message_passing
Chemical reaction mechanism
orbitals. They transfer in a concerted elementary step. CPET contrast to step-wise mechanisms in which the electron and proton are transferred sequentially
Proton-coupled electron transfer
Proton-coupled_electron_transfer
Statement supporting a conclusion
premise has a truth value, in contrast to other sentence types, such as questions and commands. Not all propositions function as premises: some serve as
Premise
Branch of mathematics
functions, the differentiable functions of a complex variable. By contrast with the real case, a holomorphic function is always infinitely differentiable
Calculus
Transfer of genes from unrelated organisms
Horizontal gene transfer (HGT) or lateral gene transfer (LGT) is the movement of genetic material between organisms other than by the ("vertical") transmission
Horizontal_gene_transfer
Electrical transmission without physical connection
technologies only tiny amounts of power reach the receiver. In contrast, with wireless power transfer the amount of energy received is the important thing, so
Wireless_power_transfer
Computer file operation
the request (by sending or accepting a file transfer), the P2P network model allows each node to function as both client and server. BitTorrent is an
Upload
Mechanism of electron transfer
electron transfer (ET) event that occurs between chemical species that remain separate and intact before, during, and after the ET event. In contrast, for
Outer sphere electron transfer
Outer_sphere_electron_transfer
Paralysis of all four limbs and torso
dysfunction or loss of motor and/or sensory function in the cervical area of the spinal cord. A loss of motor function can present as either weakness or paralysis
Tetraplegia
Measure of image quality
Coefficient of variation Contrast-to-noise ratio Minimum resolvable contrast Minimum resolvable temperature difference Optical transfer function Signal-to-noise
Signal-to-noise ratio (imaging)
Signal-to-noise_ratio_(imaging)
Machine learning paradigm
images that do not. Contrastive self-supervised learning uses both positive and negative examples. The loss function in contrastive learning is used to
Self-supervised_learning
Mathematical function that can be computed by a program
computable functions. In computational complexity theory, the problem of computing the value of a function is known as a function problem, by contrast to decision
Computable_function
Type of cryptography protocol
transfer it is possible to securely evaluate any polynomial time computable function without any additional primitive. In Rabin's oblivious transfer protocol
Oblivious_transfer
Digital telecommunications protocol for voice, video, and data
Asynchronous Transfer Mode (ATM) is a telecommunications standard defined by the American National Standards Institute and International Telecommunication
Asynchronous_Transfer_Mode
Being with both organic and biomechatronic body parts
S. Kline. In contrast to biorobots and androids, the term cyborg applies to a living organism that has undergone restoration of function or enhancements
Cyborg
Quality of service enhancements for wireless LANs
optional. The HCF (hybrid coordination function) controlled channel access (HCCA) works a lot like PCF. However, in contrast to PCF, in which the interval between
IEEE_802.11e-2005
Image luminance mapping function
be used. Some formats can specify the ICC profile which includes a transfer function. These features have historically caused problems, especially on the
Gamma_correction
Collection of tissues with similar functions
type cells to act together in a function. Tissues of different types combine to form an organ which has a specific function. The intestinal wall for example
Organ_(biology)
Mental process dealing with knowledge
functions as a neural network at the fundamental level and as a symbol-processor at a higher level of abstraction. Radical connectionism, by contrast
Cognition
Restoration of media using digital techniques
Unwanted color casts are removed and the image's contrast or sharpening may be altered to restore the contrast range or detail believed to have been in the
Digital photograph restoration
Digital_photograph_restoration
Semipermeable capillary interface between blood and the brain
selective semipermeable border of endothelial cells that regulates the transfer of solutes and chemicals between the circulatory system and the central
Blood–brain_barrier
Property of an object or substance that is impervious to light
electromagnetic or other kinds of radiation, especially visible light. In radiative transfer, it describes the absorption and scattering of radiation in a medium, such
Opacity
Function of four real variables that defines how light is reflected at an opaque surface
Bidirectional Texture Function (BTF) is appropriate for modeling non-flat surfaces, and has the same parameterization as the SVBRDF; however in contrast, the BTF includes
Bidirectional reflectance distribution function
Bidirectional_reflectance_distribution_function
Branch of engineering and mathematics
known as the block diagram. In it the transfer function, also known as the system function or network function, is a mathematical model of the relation
Control_theory
File copy utility
contrast to many competing tools that are single-threaded and/or use a command-line interface (CLI). Supports multiple, simultaneous file transfers (via
RichCopy
Processes of altering images
(value - 0.5) * (tan ((contrast + 1) * PI/4) ) + 0.5; where value is the input color value in the 0..1 range and brightness and contrast are in the −1..1 range
Image_editing
Feedback controller
(typically functions). If we assume the controller C, the plant P, and the sensor F are linear and time-invariant (i.e., elements of their transfer function C(s)
Closed-loop_controller
Physical quantity
ἐνέργεια (enérgeia) 'activity') is the quantitative property that is transferred to a body or to a physical system, recognizable in the capacity to do
Energy
Specific figure of merit in electronics
intercept point (TOI) is a property of the device transfer function O (see diagram). This transfer function relates the output signal voltage level to the
Third-order_intercept_point
Color used in designing web pages
similar to scRGB. Specifying a non-sRGB color this way requires the RGB() function call. It is impossible with the hexadecimal syntax (and thus impossible
Web_colors
Protocol to transfer images from digital cameras to computers
Picture Transfer Protocol (PTP) is a protocol originally developed by the Photographic and Imaging Manufacturers Association (PIMA) (later known as the
Picture_Transfer_Protocol
Community of living organisms together with the nonliving components of their environment
climate—control the ecosystem's structure, but are not influenced by it. By contrast, internal factors control and are controlled by ecosystem processes; these
Ecosystem
Organism that consists of only one cell
cells with differing functions. These organisms live together, and each cell must carry out all life processes to survive. In contrast, even the simplest
Unicellular_organism
Energy contained within a system
two cardinal functions can in principle be interconverted by solving, for example, U = U(S,V,{Nj}) for S, to get S = S(U,V,{Nj}). In contrast, Legendre transformations
Internal_energy
Chromosomal DNA, in contrast to extra-chromosomal DNAs like plasmids
Genomic deoxyribonucleic acid (abbreviated as gDNA) is chromosomal DNA, in contrast to extra-chromosomal DNAs like plasmids. Most organisms have the same genomic
Genomic_DNA
Biological term
function in detail, and the most prevalent recipients, known as heterologous expression systems, are chosen usually because they are easy to transfer
Heterologous
Linked hypertext system on the Internet
Web applications are web pages that function as application software. The information on the Web is transferred across the Internet using HTTP. Multiple
World_Wide_Web
Measure of a system's order
correlation function is a measure of the order in a system, as characterized by a mathematical correlation function. Correlation functions describe how
Correlation function (statistical mechanics)
Correlation_function_(statistical_mechanics)
Scanning electron microscope with a gaseous environment in the specimen chamber
Everhart–Thornley detector) and its differential pumping systems, to allow for the transfer of the electron beam from the high vacuum in the gun area to the high pressure
Environmental scanning electron microscope
Environmental_scanning_electron_microscope
ITU-R recommendation defining UHDTV
color representations, chroma subsamplings, and an opto-electronic transfer function. The first version of Rec. 2020 was posted on the International Telecommunication
Rec._2020
Substance which facilitates the phase transition of a reactant
of the phase-transfer catalyst. The catalyst functions like a detergent for solubilizing the salts into the organic phase. Phase-transfer catalysis refers
Phase-transfer_catalyst
Hormone-producing glands of a body
ovaries. The hypothalamus, pancreas, and thymus also function as endocrine glands, among other functions. (The hypothalamus and pituitary glands are organs
Endocrine_system
Mammalian protein found in Homo sapiens
function as a lipid tube or shuttle. Rare mutations leading to reduced function of CETP have been linked to accelerated atherosclerosis. In contrast,
Cholesteryl ester transfer protein
Cholesteryl_ester_transfer_protein
Diode that emits light from an organic compound
crystals. They further described the necessary energetic requirements (work functions) for hole and electron injecting electrode contacts. These contacts are
OLED
Filter that has a linear response
using LTI ("linear time-invariant") system theory revealing their transfer functions in the frequency domain and their impulse responses in the time domain
Linear_filter
1847 book by Søren Kierkegaard
the religion's mainstream seems to function from the viewpoint of an outside observer. This is not only a function of Christian existentialism but also
Works_of_Love
Biomolecule consisting of chains of amino acid residues
long chains of amino acid residues. Proteins perform a vast array of functions within organisms, including catalysing metabolic reactions, DNA replication
Protein
Organic chemical that functions both as a hormone and a neurotransmitter
is also synthesized in plants and most animals. In the brain, dopamine functions as a neurotransmitter—a chemical released by neurons (nerve cells) to
Dopamine
Imaging method
Phase-contrast imaging is a method of imaging that has a range of different applications. It measures differences in the refractive index of different
Phase-contrast_imaging
{2\lambda F_{\#}}}\ \ \mathrm {cycles/millimeter} \ .} Modulation transfer function Superlens Saleh, Bahaa E. A.; Teich, Malvin Carl (2019). Fundamentals
Spatial_cutoff_frequency
Color motion picture process
these associates were transferred to the licensees, with, for example, Leonard Doss going to Fox where he performed the same function for Fox's DeLuxe Color
Technicolor
Measure of inequality of a statistical distribution
reflects perfect equality, where all income or wealth values are the same. In contrast, a Gini coefficient of 1 (or 100%) reflects maximal inequality among values
Gini_coefficient
CONTRAST TRANSFER-FUNCTION
CONTRAST TRANSFER-FUNCTION
Biblical
contrary; adversary; enemy; accuser
Boy/Male
British, Christian, English
Wagoner; To Convey
Boy/Male
Arabic, Muslim
Agreement; Covenant; Contract; Pact
Surname or Lastname
English
English : assimilated form of Balderston, rather than a patronymic from Balder, appearances to the contrary notwithstanding.
Boy/Male
Sikh
Battlefields protector
Boy/Male
Indian, Punjabi, Sikh
The Lion of the Battlefield
Girl/Female
Arabic
Sensible Contact
Boy/Male
Arabic, Muslim
Striving; Contest; Competition; Battle
Boy/Male
Indian
Striving, Contest
Boy/Male
Australian, French, German, Italian, Latin, Portuguese
War Contest; Of Mars; The Roman Fertility God Mars for whom March was Named; Warlike
Boy/Male
African, American, Anglo, Australian, British, Chinese, English, French
Darling; Form of Daryl; Dear; Transfered Surname; Possibly Originated as a French Place Name; Like Darcy
Male
English
English occupational surname transferred to forename use, from a name for a "peddler, hawker," who drove a wagon, derived from the Middle English word traunter, TRANTER means "to convey."
Girl/Female
Arabic, Australian, Muslim
Having Eyes with a Marked Contrast of Black and White
Boy/Male
African, American, Anglo, Australian, British, Chinese, Christian, English, French
Darling; Form of Daryl; Dear; Transfered Surname; Possibly Originated as a French Place Name; Like Darcy
Boy/Male
Indian, Sanskrit
Consuming that which Comes in Contact
Boy/Male
Biblical
Contrary, adversary, enemy, accuser'.
Surname or Lastname
English (mainly West Midlands)
English (mainly West Midlands) : occupational name for a peddler or hawker, especially one equipped with a horse and cart, Middle English traunter, traventer (Late Latin travetarius, of uncertain origin, possibly derived from Latin transvehere ‘to convey’).
Boy/Male
Muslim
Striving, Contest
Girl/Female
Muslim
Having eyes with a marked contrast of black and white
Boy/Male
Australian, British, English, French, Russian
Eye Contact; Clean Sight
CONTRAST TRANSFER-FUNCTION
CONTRAST TRANSFER-FUNCTION
Girl/Female
Hindu, Indian
Single
Male
Irish
Variant spelling of Irish Gaelic CaoimhÃn, CAOIMHEÃN means "little comely one." This form just uses a different diminutive suffix.
Boy/Male
Arabic, Muslim
Wealth; Fortune; Riches
Boy/Male
Irish
A variant of the name ceann meaning “â€intelligent,â€â€ Quinn is the most common surname in County Tyrone in Northern Ireland and is increasingly used as a given name. As traditional quartermasters to the O’Neills, the kings of Ulster for over four centuries, Quinns were responsible for arms and provisions in both war and peace.
Girl/Female
Tamil
Jeevankala | ஜீவநகலா
Art of life
Boy/Male
Arabic, British, French
King; Bright
Girl/Female
Indian, Sanskrit, Tamil
Collection of Philosophical Poetry
Girl/Female
Indian
Beauty
Boy/Male
Indian
Let us Know
Boy/Male
Gaelic
Badger.
CONTRAST TRANSFER-FUNCTION
CONTRAST TRANSFER-FUNCTION
CONTRAST TRANSFER-FUNCTION
CONTRAST TRANSFER-FUNCTION
CONTRAST TRANSFER-FUNCTION
v. t.
To change into another substance; to transmute; as, the alchemists sought to transform lead into gold.
n.
To bring on; to incur; to acquire; as, to contract a habit; to contract a debt; to contract a disease.
a.
Given to opposition; perverse; forward; wayward; as, a contrary disposition; a contrary child.
v. t.
To set in opposition, or over against, in order to show the differences between, or the comparative excellences and defects of; to compare by difference or contrariety of qualities; as, to contrast the present with the past.
v. t.
To pierce through, as with a pointed weapon; to impale; as, to transfix one with a dart.
n.
the voice or singer performing this part; as, her voice is a contralto; she is a contralto.
a.
Of or pertaining to a contralto, or to the part in music called contralto; as, a contralto voice.
n.
A thing that is of contrary or opposite qualities.
imp. & p. p.
of Contrast
v. i.
To make an agreement; to covenant; to agree; to bargain; as, to contract for carrying the mail.
n.
The act of contrasting, or the state of being contrasted; comparison by contrariety of qualities.
v. t.
To transfer or transform the nature of.
n.
To draw together or nearer; to reduce to a less compass; to shorten, narrow, or lessen; as, to contract one's sphere of action.
v. t.
To remove from one substance or surface to another; as, to transfer drawings or engravings to a lithographic stone.
v. i.
To be drawn together so as to be diminished in size or extent; to shrink; to be reduced in compass or in duration; as, iron contracts in cooling; a rope contracts when wet.
n.
The person to whom a transfer in made.
v. t. & i.
To transmute; to transform; to metamorphose.
a.
Opposite; in an opposite direction; in opposition; adverse; as, contrary winds.
v. t.
To convey from one place or person another; to transport, remove, or cause to pass, to another place or person; as, to transfer the laws of one country to another; to transfer suspicion.
a.
Contracted; as, a contract verb.