Standard of the Camera & Imaging Products Association CIPA DC-003-2003 Resolution Measurement Methods for Digital Cameras Standardization Committee Camera & Imaging Products Association
2003
Resolution Measurement Methods of Digital Cameras 1. CIPA DC-003(2003) DSC 2. ISO12233: 2000 Photography - Electronic still-picture cameras - Resolution measurements ISO7589: 2002 Photography - Illuminants for sensitometry - Specifications for daylight, incandescent tungsten and printer 3. a) resolution b) aliasing ( ) 1988 4. 4.1 ISO12233 ISO12233 4.1 ISO ISO12233 ISO J1,K1 J2,K2 45 JD,KD IS012233 3 ISO 9. ISO12233 ISO 4.2 ISO ISO 4.1 100 5.2 1
4.3 ISO ISO ISO12233 ISO a) Rmax Rmin 80 Rmax/Rmin 40 (ISO12233 4.5) b) 0.2mm 0.1 (ISO12233 4.8) c) 5 (ISO12233 4.8) d) K1 K2 ( ) Rmax/Rmin 18 (ISO12233 AnnexB) 2
4.1 ISO12233 3
5. 5.1 ISO7589 10 5.2 ISO12233 4.1 5.3 on/off off off 5.4 5.5 5.6 5.7 4
6. DSC ISO 6.1 2 a) 5 4 b) 6.2 a) 5 4 b) 6.3 6.1 6.2 ) ) 10 1 2 3 4 1 2 3 web site 7. 7.1 CIPA 600 50 50 5
4 CIPA (1) (2) (3) 45 (4) 45 4 45 4 7.2 45 45 45 45 7.3 a) CIPA CIPA CIPA b) CIPA 7.4 5.3 7.5 6. 8. 1250 1200 45 1150 45 1100 1) 1100 CIPA 2) 1250 1100 CIPA 3) 1250 1200 1100 CIPA 4) 1250 1200 1150 1100 CIPA 5) 6
1100 RAW CIPA 9. DSC 2000 ISO12233 3 visual resolution ISO12233 limiting resolution spatial frequency response SFR 2 SFR 5(6),p.582(1998) ISO O.T.O ( 169-0075 1-34-12 Tel. 03-3208-7821,Fax 03-3200-2889) ISO/TC42 ( 102-0082 25 JCII Tel. 03-5276-3561,Fax 03-5276-3563) ISO12233 7
1 HRes HRes 2 1. HRes BMP HRes HRes 1 1 45 HRes 45 2 a) b) 45 3 1 8
2. HRes a) 5 4 b) 1 1 5 9 1 1 WSL 3 5 1 3 1/4 LML WEL 3. WSL LML WEL ISO (20cm) 0.3 (=6cm) ISO PHT (WEL- WSL) 0.3 C 5 = ( 100 + 500 (LML - WSL) / (WEL - WSL) ) C (1-1) 9 = ( 500 + 1500 (LML - WSL) / (WEL - WSL) ) C (1-2) C C = 0.3 PHT / (WEL - WSL) (1-3) 9
2 HRes 1. HRes 4 HRes 2 1 2 3 2. HRes 1 1 a) 2 1 HRes b) 2 2 m05 WSL SR1 c) 2 3 m10 SR2 PH Lx+1 Ly+1 3. 2 1 m01 m02 m03 BWL m04 m05 WSL m06 WSL 2 3 10
m07 m08 m09 m10 SR2 BCT SR2 m11 WCT m23 m25 m10 m12 m28 m29 m10 ETH1 BCT WCT LML m14 1 m16 m31 m33 m13 m16 m16 WEL WSL WEL WCT 2 2 2 2 2 LML WEL 3 m22 m36 WEL LML m23 m31 m19 m35 4. WSL SR1 2 2 (j) 3 ETH0 s104 WSL s105 ETH0 s101 m04 L 5 s102 s103 s106 5. BCT SR2 2 3 11
HRes s201 s218 s219 s236 s237 LMx ETH s238 LMn ETH s239 LM LM ETH s246 s247 LMn LMn s248 LMx LMx s249 ETH 12
s238 s246 z(i)=0 s239 s247 z(i)=1 s243 s244 245 s238 i-1 s250 251 BCT ETH1 m27 m28 m10 ETH1 ETH1 s210 BEnd s218 ETH1 ETH2 s204 s221 ETH2 m25 m32 1/4 (j) s213 230 s204 s221 i s201 s218 s219 s236 s237 s245 BEnd s245 s253 6. HRes ETH =0 13
(i,j) m01 WCT m02 PHt BWL m03 L 3 m04 WSL m05(sr01) DtSt m06 DtSt = WSL + JOFS ETH2 3 m07 1/4 ETH1 ETH1 = ETH2 m08 m09 LML=0 TH ETHS=1 WEL=WSL ilst=0 irst=lx 0 Lx 2 a HRes 1b 14
j BCT m10(sr02) m11 BCT = WCT m28 j =DtSt m29 ETH1=ETH1-ETHS m12 ETH1 0 m13 ETHS = 1 LML = j - 1 ETHS = 0 m14 m15 m26 LML = Ly j = Ly j = j + 1 ETH2 m25 1/4 m27 m23 m24 m30 ErCmt = WEL = j m35 WEL LML m16 m17 m18 m19 m20 j = Ly m34 ETH2 1/4 j= j + 1 m31 m33 m32 m21 WEL LML +3 m36 m22 1b HRes 15
SR01 ETH0 = 5 L S101 j = j + 1 S102 S103 j = Ly ErCmt= ETH0 S106 3 S104 WSL = j S105 2 WSL WCT=5 5 Res = 100 + 500 (LML WSL ) /( WEL 10 / 3 ( WEL WSL ) / PHt WSL ) WCT=9 9 500 + 1500 (LML WSL ) /( WEL Res = 10 / 3 (WEL WSL ) / PHt WSL ) 16
SR02 LMx=(iRst,j) LMn=(iRst,j) Z(iRst,j)=1 S201 BCT=0 S202 i=irst-1 S203 (i,j) LMx - ETH2 S204 LMx = (i,j) LMn = (i,j) Z(i) = 1 LMn = (i,j) S214 S215 (i,j) LMn + ETH1 (i,j) LMn (i,j) LMx S205 S206 S207 LMx = (i,j) LMn = (i,j) Z(i) = 0 S212 IRst = i + 3 S213 S216 LMx = (i,j) Z(i) = Z(i + 1) S208 Z(i) - Z(i + 1) = 1 S218 (=1) BCT = 1 BEnd = i+1 BEnd S209 S217 i = i - 1 i ilst S210 S211 ErCmt = 17
LMx=(iLst,j) LMn=(iLst,j) Z(iLst)=1 S219 i=ilst+1 S220 (i,j) LMx - ETH2 S221 (i,j) LMn + ETH1 S222 S229 LMx = (i,j) LMn = (i,j) Z(i) = 1 S232 LMn = (i,j) S231 (i,j) LMn (i,j) LMx S223 S224 LMx = (i,j) LMn = (i,j) Z(i) = 0 ilst = i - 3 S230 S233 LMx = (i,j) S225 Z(i) = Z(i - 1) Z(i) - Z(i - 1) = 1 S226 i = i + 1 S227 (= BL(1j) S236 BCT = 2 BL(1,j) = I-1 2 3b S235 1s S228 i BEnd BL(1,j) = BEnd ErCmt= S234 18
i=i + 1 S237 (i,j) LMx - ETH1 S238 (i,j) LMn + ETH1 S239 S246 LMx = (i,j) LMn = (i,j) Z(i) = 1 S248 S247 (i,j) LMn S240 LMx = (i,j) LMn = (i,j) Z(i) = 0 LMn = (i,j) (i,j) LMx S241 S249 LMx = (i,j) S242 Z(i) = Z(i - 1) S243 Z(i) - Z(i - 1) = 1 i = i + 1 S244 S250 BL(BCT,j) = i - 1 (+1) BCT = BCT+1 BL(BCT,j) S251 S253 S245 S252 i BEnd BL(BCT,j) = BEnd ErCmt= 2 3c 19
3 45 1. HRes 1 2 HRes 45 90 45 2. 2 (1)45 (2) 2 45 HRes 3 1 3 2 5 10 15 20 25 4 9 14 19 24 3 8 13 18 23 2 7 12 17 22 1 6 11 16 21 3 1 45 20
5 4 5 10 3 4 9 10 15 2 3 8 9 14 15 20 1 2 7 8 13 14 19 20 25 1 6 7 12 13 18 19 24 25 6 11 12 17 18 23 24 11 16 17 22 23 16 21 22 21 3 2 3 1 45 Lx Ly 45 X( i, j ) (3-1) (3-2) ( Ly + i j, i + j ) = X( i, j ) (3-1) ( Ly + i j, i + j + 1 ) = X( i, j ) (3-2) 45 X( i, j) (3-3) (3-4) ( i + j, Lx - i + j ) = X( i, j ) (3-3) ( i + j, Lx - i + j + 1 ) = X( i, j ) (3-4) 21
4 5 1. 50 1.1 18 DSC ISO PG4000 A3 4 1 57.9 37.5 78.5 36.1 75.7 55.1 4 1 1.2 CRT 4 2 22
59.9 28.1 72.1 37.3 68.7 43.5 4 2 2. HRes2 ( 5 ) 4 3 26.1 16.1 19.8 22.8 29.5 19.2 4 3 23
1 24
25
4 3 26
1. 1.1 2000 ( ) DSC 2000 5 16 14 12 8 28 1.2 DSC ISO12233 ISO12233 ISO12233 DSC 6 a) 5 4 b) 2 2 4 a) b) 2. 2002 7 26 20 2002 9 11 21 27
2. DSC 45 7. 28
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CIPA DC-003-2003 2003 12 102-0082 25 JCII TEL 03-5276-3891 FAX 03-5276-3893 31