Steve on Image Processing

Archive for the ‘Uncategorized’ Category

• Extracting dot locations from a graphic
  November 20th, 2009
  
• Maybe truecolor is OK after all
  November 12th, 2009
  
• I’m looking for a replacement for “truecolor”
  November 11th, 2009
  
• Writing TIFF files with given width and resolution
  November 9th, 2009
  
• The conv function and implementation tradeoffs
  November 3rd, 2009
  
• Embedding an ICC profile into a TIFF file
  October 20th, 2009
  
• Faster morphological reconstruction in R2009b
  October 19th, 2009
  
• Friday links
  October 16th, 2009
  
• MATLAB Virtual Conference - “the high point of geekism this year”
  October 15th, 2009
  
• Deploying Image Processing Toolbox apps in R2009b - we goofed
  October 12th, 2009
  
• Friday links
  October 9th, 2009
  
• Release notes for old versions
  October 7th, 2009
  
• MATLAB Virtual Conference on October 14
  October 5th, 2009
  
• Tab completion for imread, imfinfo, and imwrite in R2009b
  October 2nd, 2009
  
• Evolution of logical arrays in MATLAB
  September 18th, 2009
  
• Many steps needed for some color-space conversions
  September 9th, 2009
  
• Functional design clunkers
  August 31st, 2009
  
• Knuth on go to - 1974
  August 27th, 2009
  
• Moving toolbox functions into MATLAB
  August 18th, 2009
  
• Five years of Image Processing Toolbox changes
  July 30th, 2009
  
• Five years of MATLAB changes related to image processing
  July 27th, 2009
  
• Scattered data interpolation in R2009a
  July 24th, 2009
  
• A new look for connected component labeling in R2009a - Part 3
  July 20th, 2009
  
• A chess coach encounters the “300 dpi” mystery
  July 17th, 2009
  
• Computational geometry in MATLAB R2009a
  July 15th, 2009
  
• A new look for connected component labeling in R2009a - Part 2
  July 13th, 2009
  
• A new look for connected component labeling in R2009a
  July 6th, 2009
  
• Getting the MATLAB code from blog posts
  June 15th, 2009
  
• Reminder about comments on this blog
  June 14th, 2009
  
• References on my shelf
  June 12th, 2009
  
• Anticipation
  May 27th, 2009
  
• Learning Lessons from a One-Liner
  May 27th, 2009
  
• Overview window preference in R2009a
  May 18th, 2009
  
• The curveball
  May 16th, 2009
  
• Reproducible research in signal processing
  May 5th, 2009
  
• Multithreaded FFT functions in MATLAB R2009a
  April 17th, 2009
  
• Digital Forensics
  April 6th, 2009
  
• Finding the right level of documentation
  April 3rd, 2009
  
• MATLAB R2009a - imread and multipage TIFFs
  April 2nd, 2009
  
• MTEST update, plus Help Browser integration info
  March 19th, 2009
  
• R2009a - MATLAB updates
  March 18th, 2009
  
• Using ismember with the output of regionprops
  February 27th, 2009
  
• Image overlay using transparency
  February 18th, 2009
  
• Consider multibandread for reading your data
  February 6th, 2009
  
• MTEST - A unit test harness for MATLAB code
  February 3rd, 2009
  
• Have you heard of the “feature transform”?
  January 28th, 2009
  
• A Third Year of Blogging
  January 16th, 2009
  
• Another timeit update
  December 31st, 2008
  
• Soft proofing example
  December 24th, 2008
  
• Online resources: psychophysics, colour engineering
  December 9th, 2008
  
• Color Gamut Mapping
  November 19th, 2008
  
• ICC DevCon 2008
  November 13th, 2008
  
• Image processing code on the File Exchange
  November 7th, 2008
  
• Update to timeit
  November 5th, 2008
  
• MATLAB User Survey
  November 4th, 2008
  
• R2008b
  November 3rd, 2008
  
• Scientific computing survey
  October 16th, 2008
  
• Getting updates on reported bugs
  October 8th, 2008
  
• Recent changes in MATLAB Central blogs
  September 19th, 2008
  
• Independent computation in software tests
  September 11th, 2008
  
• Escher, images, and chess
  September 5th, 2008
  
• Image visualization using transparency
  August 20th, 2008
  
• Filling small holes
  August 5th, 2008
  
• Reading Massively Multipage TIFFs: An Update
  July 30th, 2008
  
• Opening by reconstruction
  July 14th, 2008
  
• Nonlinear operations using imfilter
  July 7th, 2008
  
• False-color visualization of binary image object sets
  June 25th, 2008
  
• Batch processing revisited
  June 17th, 2008
  
• Performance optimization for applylut
  June 13th, 2008
  
• Digital Image Forensics
  May 30th, 2008
  
• Congratulations to Phoenix!
  May 28th, 2008
  
• Lookup tables for binary image processing—Conway’s Game of Life
  May 20th, 2008
  
• Lookup tables for binary image processing—makelut and applylut
  May 13th, 2008
  
• Anti-aliased text in color
  May 9th, 2008
  
• Lookup tables for binary image processing
  May 7th, 2008
  
• Reconsidering the impossible
  April 4th, 2008
  
• MATLAB 7.6 (R2008a)
  March 21st, 2008
  
• Multidimensional Image Processing
  March 17th, 2008
  
• R2008a
  March 7th, 2008
  
• Timing code in MATLAB
  February 29th, 2008
  
• Counting occurrences of image colors
  January 31st, 2008
  
• JPEG: What’s in a name?
  January 29th, 2008
  
• linkaxes
  January 15th, 2008
  
• A Second Year of Blogging
  January 4th, 2008
  
• Cleaning up scanned text - revisited
  December 21st, 2007
  
• METACOW
  December 13th, 2007
  
• Remembering Gene Golub, 1932 - 2007
  December 11th, 2007
  
• Cleaning up scanned text
  December 7th, 2007
  
• GUI debugging video - recommended
  November 29th, 2007
  
• General connectivity
  November 27th, 2007
  
• Classification of operations
  November 19th, 2007
  
• Can you share an MMT with us?
  October 30th, 2007
  
• bwselect
  October 26th, 2007
  
• Finding bright objects
  October 19th, 2007
  
• Category and archive links
  October 12th, 2007
  
• HDR and tone mapping links
  October 5th, 2007
  
• Major image processing product updates
  September 28th, 2007
  
• How many images can fit in a TIFF file?
  September 16th, 2007
  
• ICIP 2007
  September 16th, 2007
  
• R2007b
  September 6th, 2007
  
• Clearing border components
  September 4th, 2007
  
• Intensity-weighted centroids
  August 31st, 2007
  
• Gray scale pixel values in labeled regions
  August 21st, 2007
  
• Filling holes in images
  July 26th, 2007
  
• imoverlay and imagesc
  July 20th, 2007
  
• Cell morphology article in Science magazine
  July 9th, 2007
  
• Image processing in the movies
  July 3rd, 2007
  
• imfinfo, imread can automatically detect the image format
  June 29th, 2007
  
• Finding pixels adjacent to a mask
  June 28th, 2007
  
• Intruder detection example
  June 27th, 2007
  
• Webinar next week: Color Image Processing in MATLAB
  June 22nd, 2007
  
• More info on Photoshop - MATLAB integration
  June 19th, 2007
  
• Border replication option of imfilter
  June 15th, 2007
  
• Image Processing Toolbox bundled with latest student version
  June 6th, 2007
  
• How do you spell “l”?
  May 21st, 2007
  
• New Student Version of MATLAB & Simulink
  April 10th, 2007
  
• Photoshop CS3 Extended - and MATLAB
  April 5th, 2007
  
• Neighbor indexing
  March 28th, 2007
  
• New MATLAB Desktop Blog
  March 22nd, 2007
  
• Computing distance using image file information
  March 16th, 2007
  
• What happened to isgray, isind, isbw, and isrgb?
  March 9th, 2007
  
• R2007a
  March 2nd, 2007
  
• ROIPOLY - rectangular regions and logical indexing
  February 24th, 2007
  
• Costas arrays
  February 15th, 2007
  
• Antialiased polygon scan conversion: Are you interested?
  February 6th, 2007
  
• Seen on the web
  February 2nd, 2007
  
• A Year of Blogging
  January 15th, 2007
  
• Superimposing line plots on images
  January 1st, 2007
  
• B = “Profile Connection Space”
  December 29th, 2006
  
• Colorful anniversaries in 2006
  December 26th, 2006
  
• POLY2MASK and ROIPOLY - Part 3
  December 22nd, 2006
  
• B = PCS
  December 20th, 2006
  
• Image processing tools on the MATLAB Central File Exchange
  December 15th, 2006
  
• Getting MATLAB code from blog postings - An update
  December 15th, 2006
  
• POLY2MASK and ROIPOLY - Part 2
  December 13th, 2006
  
• Seen on the Web: Bilateral filtering in MATLAB
  December 7th, 2006
  
• POLY2MASK and ROIPOLY - Part 1
  December 5th, 2006
  
• 3-D blood vessel tracing
  December 1st, 2006
  
• Separable convolution: Part 2
  November 28th, 2006
  
• Tetrahedral interpolation for colorspace conversion
  November 24th, 2006
  
• Old habits
  November 21st, 2006
  
• Labeling labeled objects
  November 17th, 2006
  
• Bit slices
  October 25th, 2006
  
• Nonflat grayscale dilation and erosion
  October 23rd, 2006
  
• Software development tools for engineers
  October 22nd, 2006
  
• Getting MATLAB code from blog postings
  October 20th, 2006
  
• Hough transform coordinate system
  October 19th, 2006
  
• The Story Behind the MATLAB Default Image
  October 17th, 2006
  
• Separable convolution
  October 4th, 2006
  
• Dilation, erosion, and the morphological gradient
  September 25th, 2006
  
• Unusual red-eye reduction technique
  September 20th, 2006
  
• ICIP 2006
  September 6th, 2006
  
• R2006b
  September 6th, 2006
  
• Showing image pixels associated with a Hough transform bin
  September 1st, 2006
  
• Discrete cosine transforms, JPEG, and software compatibility
  August 11th, 2006
  
• GUI programming questions
  July 25th, 2006
  
• Seen on the web: MATLAB example for tracing and measuring skin lesions
  July 14th, 2006
  
• Input from tech support
  July 11th, 2006
  
• More from CGIV
  June 20th, 2006
  
• Hue shifts near the L*=0 axis
  June 19th, 2006
  
• European colour
  June 16th, 2006
  
• Determining point positions in MRI peg phantom
  June 10th, 2006
  
• Batch processing
  June 6th, 2006
  
• Cell segmentation
  June 2nd, 2006
  
• A little deadline pressure
  May 31st, 2006
  
• A Lab-based uniform color scale
  May 9th, 2006
  
• Fast local sums
  May 2nd, 2006
  
• Quick tip: Determining uniqueness of local maximum
  April 10th, 2006
  
• Upcoming optimizations in the Image Processing Toolbox
  April 1st, 2006
  
• Image overlays
  March 28th, 2006
  
• Quick tip: Use the functions true and false
  March 15th, 2006
  
• Getting notified about new blog posts
  March 10th, 2006
  
• MathWorks product release: R2006a
  March 6th, 2006
  
• Help! My publisher wants a 300 dpi TIFF
  March 3rd, 2006
  
• Tracing George
  February 21st, 2006
  
• Resetting my expectations: What do users know about new product features?
  February 16th, 2006
  
• DIMES on Mars
  January 20th, 2006
  
• MATLAB’s publish function
  January 17th, 2006
  
• More about meshgrid
  January 16th, 2006
  
• Synthesizing images using simple equations
  January 13th, 2006
  
• Welcome!
  January 6th, 2006