(1) The general term for describing the tone separation in a print in relation to a given difference in the light-and shade of the negative or subject from which it was made Thus, contrast is the general term for the property called "gamma" (Y), which is measured by making an H & D Curve for the proces under study (2) The range of tones in a photographic negative or positive expressed as the ratio of the extreme opacities or transparencies or as the difference between the extreme densities This range is more properly described as "scale" or "latitude" (3) The ability of a photographic material, developer, or process as a whole to differentiate among small graduations in the tones of the subject
A subjective feeling that graphic elements (such as fonts) are different but work together well This gives a feeling of variety without losing harmony Within a particular font, contrast also refers to the variety of stroke thicknesses that make up the characters Helvetica has low contrast and Bodoni has high contrast
to show differences when compared; be different; "the students contrast considerably in their artistic abilities
The amount of difference between the lightest and the darkest areas in a photo or artwork
The act of contrasting, or the state of being contrasted; comparison by contrariety of qualities
Deliberately single out and emphasise the differences and dissimilarities between two or more things
the range of optical density and tone on a photographic negative or print (or the extent to which adjacent areas on a television screen differ in brightness)
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
the act of distinguishing by comparing differences the range of optical density and tone on a photographic negative or print (or the extent to which adjacent areas on a television screen differ in brightness) the perceptual effect of the juxtaposition of very different colors the opposition or dissimilarity of things that are compared; "in contrast to", "by contrast"
The difference in brightness between the lightest and darkest parts of a photographic subject, negative, print or slide Contrast is affected by the subject brightness, lighting, film type, degree of development, the grade and surface of the printing paper, and the type of enlarger used
The difference between highlights and shadows in a photographic image The larger the difference in density the greater the contrast
The degree of difference in the thickness of strokes in a font, especially on a curved stroke Sans serif fonts typically have little or no contrast, serif and cursive fonts usually have higher contrast See also axis and transition
The degree of difference between a subject's tones, which is a function of its inherent shades and colors and also the quality of light
(synonym: conflict, opposition, tension) occurs when there is a visual difference between things or qualities being compared; degrees of dynamic imbalance between elements of a composition which draw the eye and demand resolution (dominance) to establish unity and overall balance in the design as a whole
If one thing is a contrast to another, it is very different from it. The boy's room is a complete contrast to the guest room. a country of great contrasts
If one thing is in contrast to another, it is very different from it. His public statements have always been in marked contrast to those of his son
In lighting, contrast is defined as the difference between the foreground luminance and the background luminance, divided by the background luminance Contrast is what the human eye relies on to see object detail, and is the most important quantity to reproduce faithfully in any rendering algorithm
a conceptual separation or demarcation; "there is a narrow line between sanity and insanity"
If you contrast one thing with another, you point out or consider the differences between those things. She contrasted the situation then with the present crisis In this section we contrast four possible broad approaches
the difference in brightness between the lightest and darkest tones in an image When "poor contrast" is referenced, the difference between the lighest and darkest tones between two images (ie , a background color and a font color that sits on top of the background color) is poor, thereby making the text hard to read when viewed on-screen
the opposition or dissimilarity of things that are compared; "in contrast to", "by contrast"
You say by contrast or in contrast, or in contrast to something, to show that you are mentioning a very different situation from the one you have just mentioned. The private sector, by contrast, has plenty of money to spend In contrast, the lives of girls in well-to-do families were often very sheltered In contrast to similar services in France and Germany, Intercity rolling stock is very rarely idle
Contrast is the degree of difference between the darker and lighter parts of a photograph, television picture, or painting
to show differences when compared; be different; "the students contrast considerably in their artistic abilities"
A contrast is a great difference between two or more things which is clear when you compare them. the contrast between town and country The two visitors provided a startling contrast in appearance Silk was used with wool for contrast
a substance that improves visualization of images produced by medical diagnostic equipment such as ultrasound, x-ray, magnetic resonance imaging (MRI) or nuclear medicine; an imaging-sensitive substance that is ingested, injected intravenously, or injected via catheter to enhance or increase contrast between anatomical structures
A substance that enhances the image produced by medical diagnostic equipment such as ultrasound, x-ray, magnetic resonance imaging (MRI) or nuclear medicine Imaging-sensitive substance that is ingested, or injected intravenously, to enhance or increase contrast between anatomical structures
A substance, such as barium or air, used in radiography to increase the contrast of an image. A positive contrast medium absorbs x-rays more strongly than the tissue or structure being examined; a negative contrast medium, less strongly. Substance comparatively opaque to X rays, which appears lighter on X-ray film and allows a body structure that does not normally contrast with its background to be seen clearly on the film. Common contrast media include barium sulfate and iodized organic compounds. They are given by the route that introduces them into the structure to be examined swallowed or as an enema for the digestive tract, inhaled for the respiratory tract, or injected for blood vessels and for organs and tissues they supply. Serious reactions to contrast media are not infrequent. See also diagnostic imaging
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