Errata
The errata list is a list of errors and their corrections that were found after the product was released.
The following errata were submitted by our customers and have not yet been approved or disproved by the author or editor. They solely represent the opinion of the customer.
Color Key: Serious technical mistake Minor technical mistake Language or formatting error Typo Question Note Update
Version | Location | Description | Submitted by | Date submitted |
---|---|---|---|---|
Page 46 Example 3-12 |
You called cvLoadImage, but forgot calling |
Cuong Thai | Nov 16, 2016 | |
Printed | Page 54 Line 5 from bottom |
Instead of 'm vectors of length n', |
ColorRGB | Jun 11, 2013 |
Printed | Page 79 Table 4-6 |
Does Point(x, y) represent (column, row) or (row, column) ? Note from the Author or Editor: |
Mr Gabriel Devillers | Jul 10, 2017 |
Printed | Page 116,117 Figures 5-6 and 5-7 |
The "confirmed errata" already has a discussion of fig 5-6 being incorrect, but I believe that in addition to the errata listed there, figs 5-6 and 5-7 have been swapped. I.e. 5-6 shows erosion and 5-7 shows dilation. |
John Bain | Jan 13, 2015 |
Printed | Page 137 . |
The line cvAddWeighted( s, 2./3., b, 1./3., 0.0, s ); |
Anonymous | May 09, 2013 |
Printed | Page 139 table 5.5 |
In page 139 of the it is stated that for adaptive threshold the parameter threshold_type can take any value that is shown in table 5.5. |
Anonymous | Feb 15, 2012 |
Printed | Page 178 |
There is a mistake in the two-dimentional array appearing in the page. |
Anonymous | Jul 06, 2012 |
Page 286 1st paragraph |
"If the pixel is within a learned box, 255 is returned (a positive detection of foreground); otherwise, 0 is returned (background)." |
Vladimir Semenchuk | Nov 24, 2011 | |
Printed | Page 328 Matrices at top of page |
Matrix b dimensions are labeled 2x1; should be 25x1. |
Matt Montag | Oct 04, 2011 |
Printed | Page 379 matrix for rotation |
At page 379,matrix for rotation about X-axis is different(in 'sign') from |
Anonymous | Jul 11, 2012 |
Page 380 1st paragraph |
Possible typo: |
Anonymous | Jul 10, 2012 | |
Printed, PDF | Page 392 1st equation |
the equation is inverted in the sens that the equation should be: |
Severine Cloix | Nov 07, 2012 |
Page 432 Step 2 of Hartley’s algorithm |
The entry at the bottom left corner of the 3-by-3 matrix G on page 432 should be -1/f and not -1/k. |
IFEANYI EZEBILI | May 30, 2022 | |
Printed | Page 502 2nd paragraph |
The book says: |
Oleg Zabluda | Aug 19, 2012 |
Other Digital Version | 1803 Example 3-11 |
Example 3-11 claims to max out (saturate) the S and V parts of an HSV image. When run (as specified in ReadMe_run_programs.txt) it takes an RGB image and maxes out the R and G components (i.e. turns the image yellow). |
John Brewer | Mar 09, 2012 |
Other Digital Version | 3672 Paragrah beginning "On Linux and MacOS..." |
"A return value of indicates that no thread could be started..." |
John Brewer | Mar 15, 2012 |