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An image that is 2048 pixels in width and 1536 pixels in height has a total of 2048×1536 = 3,145,728 pixels or 3.1 megapixels. One could refer to it as 2048 by 1536 or a 3.1-megapixel image. The image would be a very low quality image (72ppi) if printed at about 28.5 inches wide, but a very good
577:
This is a list of traditional, analogue horizontal resolutions for various media. The list only includes popular formats, not rare formats, and all values are approximate, because the actual quality can vary machine-to-machine or tape-to-tape. For ease-of-comparison, all values are for the NTSC
311:
Below is an illustration of how the same image might appear at different pixel resolutions, if the pixels were poorly rendered as sharp squares (normally, a smooth image reconstruction from pixels would be preferred, but for illustration of pixels, the sharp squares make the point better).
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are often used, composed of a dark line and an adjacent light line; for example, a resolution of 10 lines per millimeter means 5 dark lines alternating with 5 light lines, or 5 line pairs per millimeter (5 LP/mm). Photographic lens are most often quoted in line pairs per millimeter.
447:, one often measures spatial resolution in data points per arcsecond subtended at the point of observation, because the physical distance between objects in the image depends on their distance away and this varies widely with the object of interest. On the other hand, in
157:. The term applies to digital images, film images, and other types of images. "Higher resolution" means more image detail. Image resolution can be measured in various ways. Resolution quantifies how close lines can be to each other and still be visibly
161:. Resolution units can be tied to physical sizes (e.g. lines per mm, lines per inch), to the overall size of a picture (lines per picture height, also known simply as lines, TV lines, or TVL), or to angular subtense. Instead of single lines,
451:, line or fringe resolution is the minimum separation detectable between adjacent parallel lines (e.g. between planes of atoms), whereas point resolution is instead the minimum separation between adjacent points that can be both detected
361:
Spatial resolution in radiology is the ability of the imaging modality to differentiate two objects. Low spatial resolution techniques will be unable to differentiate between two objects that are relatively close together.
455:
e.g. as adjacent columns of atoms, for instance. The former often helps one detect periodicity in specimens, whereas the latter (although more difficult to achieve) is key to visualizing how individual atoms interact.
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describes the fundamental limit on the maximum spatial resolution of information about a particle's coordinates imposed by the measurement or existence of information regarding its momentum to any degree of precision.
279:
An image of N pixels height by M pixels wide can have any resolution less than N lines per picture height, or N TV lines. But when the pixel counts are referred to as "resolution", the convention is to describe the
477:
Pixel encoding limits the information stored in a digital image, and the term color profile is used for digital images but other descriptors are used to reference the hardware capturing and displaying the images.
883:, including IMAX HD and OMNIMAX: approximately 10,000×7,000 (7,000 lines) resolution. It is about 70 MP, which is currently highest-resolution single-sensor digital cinema camera (as of January 2012).
296:, which can be calculated by multiplying pixel columns by pixel rows and dividing by one million. Other conventions include describing pixels per length unit or pixels per area unit, such as
410:
The measure of how closely lines can be resolved in an image is called spatial resolution, and it depends on properties of the system creating the image, not just the pixel resolution in
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can be represented, at least in theory. In practice, the effective radiometric resolution is typically limited by the noise level, rather than by the number of bits of representation.
414:(ppi). For practical purposes the clarity of the image is decided by its spatial resolution, not the number of pixels in an image. In effect, spatial resolution is the number of
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Digital medium format camera – single, not combined one large digital sensor – 80 MP (starting from 2011, current as of 2013) – 10320 × 7752 or 10380 × 7816 (81.1 MP).
256:
field specify it should instead be called "Number of Total Pixels" in relation to image sensors, and as "Number of
Recorded Pixels" for what is fully captured. Hence,
272:
sensors that contribute to the final image (including pixels not in said image but nevertheless support the image filtering process), as opposed to the number of
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565:, for example 8 bits or 256 levels that is typical of computer image files. The higher the radiometric resolution, the better subtle differences of intensity or
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358:
The terms blurriness and sharpness are used for digital images but other descriptors are used to reference the hardware capturing and displaying the images.
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is the subject of much debate. Measured resolutions of negative film have ranged from 25–200 LP/mm, which equates to a range of 325 lines for
260:
calls for notation such as "Number of
Recorded Pixels 1000 × 1500". According to the same standards, the "Number of Effective Pixels" that an
1284:
Guideline for Noting
Digital Camera Specifications in Catalogs. "The term 'Resolution' shall not be used for the number of recorded pixels"
1235:
288:
numbers, where the first number is the number of pixel columns (width) and the second is the number of pixel rows (height), for example as
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This fundamental limitation can, in turn, be a factor in the maximum imaging resolution at subatomic scales, as can be encountered using
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In
Stereoscopic 3D images, spatial resolution could be defined as the spatial information recorded or captured by two viewpoints of a
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440:(GSD) of an image, the pixel spacing on the Earth's surface, is typically considerably smaller than the resolvable spot size.
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image sensor is often a multiple of the number of pixels in the image it produces, because information from an array of color
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292:. Another popular convention is to cite resolution as the total number of pixels in the image, typically given as number of
913:
states that 35 mm film has the equivalent of 6K resolution horizontally according to a Senior Vice
President of IMAX.
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Many cameras and displays offset the color components relative to each other or mix up temporal with spatial resolution:
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Spectral resolution is the ability to resolve spectral features and bands into their separate components.
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can resolve events at different points in time. The time resolution used for movies is usually 24 to 48
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The spatial resolution of consumer displays ranges from 50 to 800 pixel lines per inch. With scanners,
42:
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is a classic test target used to determine spatial resolution of imaging sensors and imaging systems.
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system. (For PAL systems, replace 480 with 576.) Analog formats usually had less chroma resolution.
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1372:"/Film Interview: IMAX Executives Talk 'The Hunger Games: Catching Fire' and IMAX Misconceptions"
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Photography – Digital Still
Cameras – Guidelines for Reporting Pixel-Related Specifications
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is sometimes used to distinguish spatial resolution from the number of pixels per inch.
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is used to reconstruct the color of a single pixel. The image has to be interpolated or
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Sequences from newer films are scanned at 2,000, 4,000, or even 8,000 columns, called
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resolution determines how finely a system can represent or distinguish differences of
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Understanding image sharpness part 1A: Resolution and MTF curves in film and lenses
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Temporal resolution (TR) is the precision of a measurement with respect to time.
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by measuring and storing more than the traditional 3 of common RGB color images.
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are true resolutions, but they are widely referred to as such; they serve as
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The resolution of digital cameras can be described in many different ways.
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204: in this section. Unsourced material may be challenged and removed.
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than the one to the right, but is still of worse spatial resolution.
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is scanned for release on DVD at 1080 or 2000 lines as of 2005.
37:"Hi-res" redirects here. For the London-based design firm, see
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720×576 or 1024 x 576: Widescreen DVD (anamorphic) (PAL/SECAM)
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700×480: Enhanced
Definition Betamax, Analog broadcast limit (
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1332:"Kodak VISION3 500T Color Negative Film 5219 / 7219 / SO-219"
1442:"Phase One IQ180 Digital Back: Tests and Reviews – DxOMark"
323:
quality (300ppi) image if printed at about 7 inches wide.
830:
1920×1080: HDV (miniDV), AVCHD, HD DVD, Blu-ray, HDCAM SR
721:
460×480: Betacam SP, Umatic SP, NTSC (Over-The-Air TV)
338:to produce all three colors for each output pixel.
78:. Unsourced material may be challenged and removed.
877:, for quality visual-effects editing on computers.
493:can resolve even finer differences of spectrum or
791:854×480: EDTV (Enhanced Definition Television)
432:, spatial resolution is typically limited by
8:
788:720×480: Widescreen DVD (anamorphic) (NTSC)
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980:
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905:, to (theoretically) over 2300 lines for
220:Learn how and when to remove this message
138:Learn how and when to remove this message
1412:"Leaf Aptus Medium Format Digital Backs"
252:, though international standards in the
41:For the digital audio quality term, see
1268:
588:
326:The number of photodiodes in a color
7:
1236:High-resolution picture transmission
897:The actual resolution of 35 mm
202:adding citations to reliable sources
76:adding citations to reliable sources
1461:"Megapixel calculator – toolstudio"
1307:"Video resolution comparison chart"
1187:Modern digital camera resolutions
300:or per square inch. None of these
244:is often considered equivalent to
25:
745:768×576: Analog broadcast limit (
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610:
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530:Heisenberg uncertainty principle
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371:1951 USAF resolution test target
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1201:– also 41 MP (7712 × 5360)
485:distinguish light of different
189:needs additional citations for
63:needs additional citations for
27:Measure of how fine an image is
1374:. Slash Film. December 2, 2013
1349:An analysis of film resolution
418:pixel values per unit length.
1:
810:, Digital Betacam (PAL/SECAM)
538:scanning electron microscopes
284:with the set of two positive
153:is the level of detail of an
1197:– 41 MP (7728 × 5368),
836:2048×1080: 2K Digital Cinema
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833:1998×1080: 2K Flat (1.85:1)
573:Resolution in various media
400:Image at left has a higher
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1231:Multi-exposure HDR capture
1208:– 51 MP (8688 × 5792)
645:Narrowscreen 4:3 computer
582:Analogue and early digital
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29:
899:original camera negatives
463:(left and right camera).
785:, Digital Betacam (NTSC)
715:420×480: Super Betamax,
30:Not to be confused with
1294:ANSI/I3A IT10.7000–2004
1204:Digital still camera –
827:1440×1080: HDV (miniDV)
544:Radiometric resolution
438:ground sample distance
374:
368:
352:Further information:
308:on image resolution.
43:High-resolution audio
678:1024×768: XGA / EVGA
491:Multispectral images
268:has is the count of
198:improve this article
72:improve this article
909:shot on T-Max 100.
647:display resolutions
501:Temporal resolution
467:Spectral resolution
449:electron microscopy
1416:www.mamiyaleaf.com
1280:2017-02-02 at the
1221:Display resolution
1195:Nokia 808 PureView
863:16K Digital Cinema
603:color filter array
519:high-speed cameras
423:optical resolution
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348:Spatial resolution
342:Spatial resolution
87:"Image resolution"
32:Optical resolution
1485:Computer graphics
1361:, by Norman Koren
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851:4K Digital Cinema
816:1280×720: D-VHS,
523:frames per second
302:pixel resolutions
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1500:Data quality
1495:Data storage
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1435:
1424:. Retrieved
1420:the original
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1398:the original
1388:
1378:December 17,
1376:. Retrieved
1366:
1354:
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1337:. July 2015.
1326:
1315:. Retrieved
1311:the original
1301:
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1271:
861:15360×8640:
691:CRT monitors
620:(Triangular
585:
576:
567:reflectivity
553:
535:
527:
513:
510:
483:Color images
480:
476:
458:
452:
442:
427:
420:
415:
409:
401:
360:
357:
325:
321:
314:
310:
306:upper bounds
301:
289:
281:
278:
274:total pixels
273:
262:image sensor
258:CIPA DCG-001
241:
239:
231:
216:
207:
196:Please help
191:verification
188:
162:
158:
150:
149:
134:
125:
115:
108:
101:
94:
82:
70:Please help
65:verification
62:
1251:Kell factor
855:7680×4320:
849:4096×2160:
839:3840×2160:
555:Radiometric
550:Color depth
473:ICC profile
434:diffraction
416:independent
402:pixel count
290:7680 × 6876
236:Pixel count
1479:Categories
1426:2013-11-06
1394:"Phaseone"
1317:2016-01-15
1263:References
1062:9921×14008
1053:Paper size
892:35 mm film
507:Frame rate
495:wavelength
336:demosaiced
294:megapixels
242:resolution
163:line pairs
128:April 2023
98:newspapers
1146:1240×1748
1132:1748×2480
1118:2480×3508
1104:3508×4961
1090:4961×7016
1076:7016×9921
794:720×576:
773:720×480:
767:500×480:
761:352×240:
734:LaserDisc
726:Super VHS
724:580×480:
709:350×480:
695:333×480:
689:320×200:
674:Super VGA
672:800×600:
666:640×480:
660:640×350:
651:320×200:
559:intensity
445:astronomy
248:count in
240:The term
1278:Archived
1215:See also
1160:874×1240
1065:840×1186
857:8K UHDTV
841:4K UHDTV
808:Digital8
769:Digital8
763:Video CD
758:Digital
210:May 2021
159:resolved
1174:614×874
1149:105×148
1135:148×210
1121:210×297
1107:297×420
1093:420×594
1079:594×840
822:Blu-ray
717:Betacam
711:Betamax
686:Analog
601:(Bayer
487:spectra
286:integer
112:scholar
39:Hi-ReS!
1163:74×105
1046:Pixels
987:Pixels
975:352.8
928:Pixels
907:4-perf
903:2-perf
818:HD DVD
804:miniDV
783:miniDV
705:Umatic
701:Video8
114:
107:
100:
93:
85:
1440:DxO.
1335:(PDF)
1177:52×74
953:84.7
942:31.8
918:Print
911:Kodak
888:Film
796:D-VHS
775:D-VHS
751:SECAM
270:pixel
246:pixel
170:Types
155:image
119:JSTOR
105:books
1380:2013
1034:100
1023:100
1012:100
1009:1181
1001:100
998:3150
972:1000
964:127
961:1000
950:1000
939:1000
881:IMAX
740:NTSC
653:MCGA
563:bits
528:The
517:and
369:The
91:news
1180:A8
1171:300
1166:A7
1157:300
1152:A6
1143:300
1138:A5
1129:300
1124:A4
1115:300
1110:A3
1101:300
1096:A2
1087:300
1082:A1
1073:300
1068:A0
1059:300
1043:PPI
1031:283
1020:787
1017:200
1006:300
995:800
990:mm
984:PPI
958:200
947:300
936:800
931:mm
925:PPI
869:32K
800:DVD
779:DVD
747:PAL
730:Hi8
697:VHS
668:VGA
662:EGA
637:CRT
618:LCD
443:In
428:In
264:or
200:by
74:by
1481::
1463:.
1444:.
1414:.
1049:mm
1028:72
969:72
843:,
820:,
806:,
802:,
798:,
781:,
777:,
749:,
732:,
728:,
703:,
699:,
540:.
489:.
1467:.
1448:.
1429:.
1382:.
1320:.
753:)
742:)
624:)
605:)
223:)
217:(
212:)
208:(
194:.
141:)
135:(
130:)
126:(
116:·
109:·
102:·
95:·
68:.
45:.
34:.
20:)
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