• Video Sudoku Solver

    Updated: 2011-04-29 08:00:20
    I just saw a very cool demo that I thought you might like. Teja Muppirala, an application engineer in our Japan office, created a tool that uses MATLAB, Image Processing Toolbox, Image Acquisition Toolbox, and a webcam to solve printed Sudoku puzzles. [...]

  • Computer Vision System Toolbox in R2011a

    Updated: 2011-04-26 08:00:41
    Some of you may have already noticed a new product in R2011a: Computer Vision System Toolbox. You may also have noticed that Video and Image Processing Blockset disappeared! These are not unrelated, as we took the blockset, added new computer vision algorithms, and changed the name [...]

  • Color-based segmentation demo on the File Exchange

    Updated: 2011-04-23 19:13:45
    I have posted a few times about using L*a*b* space to do color segmentation. (See, for example, my 04-Feb-2011 post.) There's also a product demo explaining the idea. For a different take on the idea, including a GUI tool for selecting a desired color region and for visualizing the segmentation results, see Image Analyst's new MATLAB [...]

  • Exporting GeoTIFF files using Mapping Toolbox in R2011a

    Updated: 2011-04-18 03:49:13
    This is my first post using R2011a, which shipped last week. (MathWorks ships product-line updates twice per year, usually in March and September.) There's a lot of interesting material to write about for this new release. Because my blog readers have been asking for it for a [...]

  • Tips for reading a camera raw file into MATLAB

    Updated: 2011-03-08 23:29:46
    An academic colleague asked me recently how to read the sensor data (in Bayer or color filter array form) from a Nikon raw camera file (an NEF file) into MATLAB. We figured out a way to do it, and I thought I'd pass it along. [...]

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