Home / Issues / 7.2010 / Effects of camera aperture correction on keying and compositing of broadcast video
Document Actions

Citation and metadata

Recommended citation

Oliver Grau, and Jim Easterbrook, Effects of camera aperture correction on keying and compositing of broadcast video. JVRB - Journal of Virtual Reality and Broadcasting, 7(2010), no. 9. (urn:nbn:de:0009-6-26693)

Download Citation

Endnote

%0 Journal Article
%T Effects of camera aperture correction on keying and compositing of broadcast video
%A Grau, Oliver
%A Easterbrook, Jim
%J JVRB - Journal of Virtual Reality and Broadcasting
%D 2010
%V 7(2010)
%N 9
%@ 1860-2037
%F grau2010
%X This contribution discusses the effects of camera aperturecorrection in broadcast video on colour-based keying. Theaperture correction is used to ’sharpen’ an image and is oneelement that distinguishes the ’TV-look’ from ’film-look’. ’If avery high level of sharpening is applied, as is the case in manyTV productions then this significantly shifts the colours aroundobject boundaries with hight contrast. This paper discussesthese effects and their impact on keying and describes a simplelow-pass filter to compensate for them. Tests with colour-basedsegmentation algorithms show that the proposed compensationis an effective way of decreasing the keying artefacts on objectboundaries.
%L 004
%K Image processing
%K colour-based segmentation
%K keying
%K matting
%R 10.20385/1860-2037/7.2010.9
%U http://nbn-resolving.de/urn:nbn:de:0009-6-26693
%U http://dx.doi.org/10.20385/1860-2037/7.2010.9

Download

Bibtex

@Article{grau2010,
  author = 	"Grau, Oliver
		and Easterbrook, Jim",
  title = 	"Effects of camera aperture correction on keying and compositing of broadcast video",
  journal = 	"JVRB - Journal of Virtual Reality and Broadcasting",
  year = 	"2010",
  volume = 	"7(2010)",
  number = 	"9",
  keywords = 	"Image processing; colour-based segmentation; keying; matting",
  abstract = 	"This contribution discusses the effects of camera aperturecorrection in broadcast video on colour-based keying. Theaperture correction is used to 'sharpen' an image and is oneelement that distinguishes the 'TV-look' from 'film-look'. 'If avery high level of sharpening is applied, as is the case in manyTV productions then this significantly shifts the colours aroundobject boundaries with hight contrast. This paper discussesthese effects and their impact on keying and describes a simplelow-pass filter to compensate for them. Tests with colour-basedsegmentation algorithms show that the proposed compensationis an effective way of decreasing the keying artefacts on objectboundaries.",
  issn = 	"1860-2037",
  doi = 	"10.20385/1860-2037/7.2010.9",
  url = 	"http://nbn-resolving.de/urn:nbn:de:0009-6-26693"
}

Download

RIS

TY  - JOUR
AU  - Grau, Oliver
AU  - Easterbrook, Jim
PY  - 2010
DA  - 2010//
TI  - Effects of camera aperture correction on keying and compositing of broadcast video
JO  - JVRB - Journal of Virtual Reality and Broadcasting
VL  - 7(2010)
IS  - 9
KW  - Image processing
KW  - colour-based segmentation
KW  - keying
KW  - matting
AB  - This contribution discusses the effects of camera aperturecorrection in broadcast video on colour-based keying. Theaperture correction is used to ’sharpen’ an image and is oneelement that distinguishes the ’TV-look’ from ’film-look’. ’If avery high level of sharpening is applied, as is the case in manyTV productions then this significantly shifts the colours aroundobject boundaries with hight contrast. This paper discussesthese effects and their impact on keying and describes a simplelow-pass filter to compensate for them. Tests with colour-basedsegmentation algorithms show that the proposed compensationis an effective way of decreasing the keying artefacts on objectboundaries.
SN  - 1860-2037
UR  - http://nbn-resolving.de/urn:nbn:de:0009-6-26693
DO  - 10.20385/1860-2037/7.2010.9
ID  - grau2010
ER  - 
Download

Wordbib

<?xml version="1.0" encoding="UTF-8"?>
<b:Sources SelectedStyle="" xmlns:b="http://schemas.openxmlformats.org/officeDocument/2006/bibliography"  xmlns="http://schemas.openxmlformats.org/officeDocument/2006/bibliography" >
<b:Source>
<b:Tag>grau2010</b:Tag>
<b:SourceType>ArticleInAPeriodical</b:SourceType>
<b:Year>2010</b:Year>
<b:PeriodicalTitle>JVRB - Journal of Virtual Reality and Broadcasting</b:PeriodicalTitle>
<b:Volume>7(2010)</b:Volume>
<b:Issue>9</b:Issue>
<b:Url>http://nbn-resolving.de/urn:nbn:de:0009-6-26693</b:Url>
<b:Url>http://dx.doi.org/10.20385/1860-2037/7.2010.9</b:Url>
<b:Author>
<b:Author><b:NameList>
<b:Person><b:Last>Grau</b:Last><b:First>Oliver</b:First></b:Person>
<b:Person><b:Last>Easterbrook</b:Last><b:First>Jim</b:First></b:Person>
</b:NameList></b:Author>
</b:Author>
<b:Title>Effects of camera aperture correction on keying and compositing of broadcast video</b:Title>
<b:Comments>This contribution discusses the effects of camera aperturecorrection in broadcast video on colour-based keying. Theaperture correction is used to ’sharpen’ an image and is oneelement that distinguishes the ’TV-look’ from ’film-look’. ’If avery high level of sharpening is applied, as is the case in manyTV productions then this significantly shifts the colours aroundobject boundaries with hight contrast. This paper discussesthese effects and their impact on keying and describes a simplelow-pass filter to compensate for them. Tests with colour-basedsegmentation algorithms show that the proposed compensationis an effective way of decreasing the keying artefacts on objectboundaries.</b:Comments>
</b:Source>
</b:Sources>
Download

ISI

PT Journal
AU Grau, O
   Easterbrook, J
TI Effects of camera aperture correction on keying and compositing of broadcast video
SO JVRB - Journal of Virtual Reality and Broadcasting
PY 2010
VL 7(2010)
IS 9
DI 10.20385/1860-2037/7.2010.9
DE Image processing; colour-based segmentation; keying; matting
AB This contribution discusses the effects of camera aperturecorrection in broadcast video on colour-based keying. Theaperture correction is used to ’sharpen’ an image and is oneelement that distinguishes the ’TV-look’ from ’film-look’. ’If avery high level of sharpening is applied, as is the case in manyTV productions then this significantly shifts the colours aroundobject boundaries with hight contrast. This paper discussesthese effects and their impact on keying and describes a simplelow-pass filter to compensate for them. Tests with colour-basedsegmentation algorithms show that the proposed compensationis an effective way of decreasing the keying artefacts on objectboundaries.
ER

Download

Mods

<mods>
  <titleInfo>
    <title>Effects of camera aperture correction on keying and compositing of broadcast video</title>
  </titleInfo>
  <name type="personal">
    <namePart type="family">Grau</namePart>
    <namePart type="given">Oliver</namePart>
  </name>
  <name type="personal">
    <namePart type="family">Easterbrook</namePart>
    <namePart type="given">Jim</namePart>
  </name>
  <abstract>This contribution discusses the effects of camera aperture
correction in broadcast video on colour-based keying. The
aperture correction is used to ’sharpen’ an image and is one
element that distinguishes the ’TV-look’ from ’film-look’. ’If a
very high level of sharpening is applied, as is the case in many
TV productions then this significantly shifts the colours around
object boundaries with hight contrast. This paper discusses
these effects and their impact on keying and describes a simple
low-pass filter to compensate for them. Tests with colour-based
segmentation algorithms show that the proposed compensation
is an effective way of decreasing the keying artefacts on object
boundaries.</abstract>
  <subject>
    <topic>Image processing</topic>
    <topic>colour-based segmentation</topic>
    <topic>keying</topic>
    <topic>matting</topic>
  </subject>
  <classification authority="ddc">004</classification>
  <relatedItem type="host">
    <genre authority="marcgt">periodical</genre>
    <genre>academic journal</genre>
    <titleInfo>
      <title>JVRB - Journal of Virtual Reality and Broadcasting</title>
    </titleInfo>
    <part>
      <detail type="volume">
        <number>7(2010)</number>
      </detail>
      <detail type="issue">
        <number>9</number>
      </detail>
      <date>2010</date>
    </part>
  </relatedItem>
  <identifier type="issn">1860-2037</identifier>
  <identifier type="urn">urn:nbn:de:0009-6-26693</identifier>
  <identifier type="doi">10.20385/1860-2037/7.2010.9</identifier>
  <identifier type="uri">http://nbn-resolving.de/urn:nbn:de:0009-6-26693</identifier>
  <identifier type="citekey">grau2010</identifier>
</mods>
Download

Full Metadata

Language
  1. Deutsch
  2. English
Navigation