Digital Image Processing

Errata

Here are the known errors and inconsistencies that survived to the second printing of the book.

Matrix transpose is indicated by superscript t in Chapters 1 - 16, and as superscript T in the remainder.
There is a picture of the author somewhere in Chapter 12.
p. 34, Problems 1-5: Dynamic range = capacity/readout noise = C/N_r
Photon noise level: N_p = Sqrt[(flux*QE + DC)t_e]
Total noise: N_t = Sqrt[N_p² + N_r²]
SNR = (flux*QE*t_e)/N_t
p. 79, Eq. 21: middle term should have a minus sign.
p. 86, Eq. 4: Zero to right of equal sign and should be deleted; pound sign should be deleted.
p. 103, Eq. (12) and (13): the 2y² term should be positive.
p. 152, Eq. (43): (see eqn. page)
p. 157, Fig. 9-9: The 2- should be -2.
p. 173 Eq. 9: First exponent should have an s².
p. 179 Eq. 35: Plus sign should be minus.
p. 162, Eq. (66), 3^rd term: put absolute value bars around a
p. 173, Eq. (9): s should be squared in the exponent
p. 179, Eq. (35): Plus sign should be minus
p. 218, Eq. (21): lim goes in front of integral (see eqn. page)
p. 288, Eq. (30): Last C should be C^T
p. 322, Eq. (35): Left side should be h₀(iDt)
p.324 , Eq. (39): Right side, 2^nd and 3^rd terms should have 1/2 (see eqn. page)
p.324 , Eq. (40): Right side, 2^nd and 3^rd terms should have 1/2 (see eqn. page)
p.324 , Eq. (41): Right side, 2^nd and 3^rd terms should have 1/2 (see eqn. page)
p.325 , Eq. (45): Right side, 2^nd and 3^rd terms should have 1/2 (see eqn. page)
p.325 , Eq. (46): Right side, 2^nd and 3^rd terms should have 1/2 (see eqn. page)
p. 328, Fig. 14-20: Left-hand filters h₀() and h₁() should have negative arguments.
p. 328, Fig. 14-21: Filters h₀() and h₁() should have negative arguments.
p. 331, Figure 14-23: The h's should be eta's.
p. 339, Figure 14-30: This is the Haar transform. h₀=[a,a], h₁=[-a,a], a=sqrt(2)/2.
p. 343, Table 14-2: Title should refer to Figure 14-34.
p. 359, Eq. 17: Last minus sign should be plus.
p. 505, Eq. (48):
p. 559, Third line below Eq. (13): "rows" should be "columns".
p. 578, Eq. (50): Second denominator, plus sign should be a minus sign.
p. 652: Chain code, boundary, 479, 496, 507.
p. 645: Convolution (cont) theorem, 182, 256, 290.

Here are the additional errors and inconsistencies in the first printing (August, 1995) that were corrected in the second printing.

p. xvii: Steve Rosser's name is misspelled.
p. 32, Fig. 2-18: capital L should be lower case.
p. 42, line 2: "21 radii" should be "2 radii."
p. 43, Figure 3-6: y-axis should be labeled 0.0, 1.0, 2.0
p. 91, 8 lines up from bottom, D_m/A₀ should be A₀/D_m.
p. 92, Eq. (30): P₁ should be P.
p. 97, Problems 3 and 4: Use D_m = 63, alpha = 1.0. G[mean,std x] = Gaussian.
p. 97, Problem 5: x should be D.
p. 99, Prob. 12: f(x) = D_m(x/D_m)^gamma
p. 120, Eq. (14): b(x,y) = x*sin(theta) + y*cos(theta)
p. 215: Fig. 11-11 is clipped at the top.
p. 250: Problem 1. Prove Eq. (48). Problems 3, 4. x, not s.
p. 251: Problem 6. Drop the 10 in s(t).
p. 282: Eq. (4) has an extra "T" in it.
p. 287: Eq. (23) needs a minus sign in front of the bottom term.
p. 292, line 1: "sequences" should be "sequencies."
p. 343, Table 14-2: All three synthesis filters should have wavy hats.
p. 369, Eq. (43):
p. 369, Eq. (44):
p. 370: Eq. (48) is missing a lamda.
p. 373, Sec. 15.6.1.3, 7^th line: ... is also given by the Abbe distance.
p. 489, Eq. (3): Last factor should be (y₁ - y₂)
p. 507, Problem 1: Show that Eq. (7) leads to Eq.. (5).
p. 557: Eq. (10) the plus sign should not be there.
p. 643, Fig. A3-1: Axes should be labeled x₁ and x₂.
p. 645, Fig. A3-2: Axes should be labeled x₁ and x₂.

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