Visual Media Processing Using MATLAB Beginner's Guide -- Table of Contents -- Visual Media Processing Using MATLAB Beginner's Guide -- Credits -- About the Author -- About the Reviewers -- www.PacktPub.com -- Support files, eBooks, discount offers and more -- Why Subscribe? -- Free Access for Packt account holders -- Preface -- What this book covers -- What you need for this book -- Who this book is for -- Conventions -- Time for action - heading -- What just happened? -- Pop quiz - heading -- Have a go hero - heading -- Reader feedback -- Customer support -- Downloading the example code -- Errata -- Piracy -- Questions -- 1. Basic Image Manipulations -- Getting acquainted with the MATLAB environment -- Default subwindows of the environment -- The Command Window -- The Current Folder window -- The Details window -- The Workspace window -- The ribbon -- The HOME tab -- The PLOTS tab -- The APPS tab -- The editor -- The EDITOR window -- Importing and displaying an image -- Importing and displaying an image using the command line -- Time for action - importing and displaying an image -- What just happened? -- Importing and displaying an image using imtool -- Time for action - using imtool to extract useful information -- What just happened? -- Applying geometric transformations -- Performing image rotation -- Time for action - rotating an image and displaying the result -- What just happened? -- Performing image mirroring -- Time for action - mirroring an image and displaying the result -- What just happened? -- Have a go hero - using flipdim and comparing the results -- Resizing an image -- Cropping an image -- Saving an image -- Time for action - cropping and resizing an image, then saving it as BMP -- What just happened? -- Have a go hero - tailoring an image to suit your needs -- Pop quiz - image processing in MATLAB -- Summary.

2. Working with Pixels In Grayscale Images -- Accessing image pixels and changing their values -- Changing the pixel values of a square area using loops -- Changing the pixel values of a square area using indexing -- Writing and using scripts -- Time for action - whiten an area and blacken another -- What just happened? -- Thresholding an image -- Image thresholding using for loops -- Image thresholding using indexing -- Image thresholding using im2bw -- Image thresholding using an automatic threshold -- Calculating and displaying histograms with imhist -- Histogram equalization for contrast enhancement -- Contrasting enhancement using imadjust -- Contrasting enhancement using imcontrast -- Adaptive histogram equalization using adapthisteq -- Custom functions for complex tasks -- Time for action - using imtool to pinpoint differences -- What just happened? -- Have a go hero - writing a function to enhance an image area -- Restoring old photographs -- Time for action - restoring your ancestors' photographs -- What just happened? -- Pop quiz - contrasting enhancement methods -- Summary -- 3. Morphological Operations and Object Analysis -- The importance of binary images -- Time for action - understanding the value of thresholding -- What just happened? -- Enlarging and shrinking a region of interest -- Time for action - using dilation and erosion to refine ROIs -- What just happened? -- Choosing a structuring element -- Using strel to generate structuring elements -- Altering structuring elements from strel to suit our needs -- Time for action - ROI refinement using strel -- What just happened? -- Have a go hero - write a function to for local dilation/erosion -- More morphological operations -- Manually defining a non-rectangular ROI -- Using roipoly to make a mask -- Using imfreehand to make a mask.

Time for action - making a custom object eraser function -- What just happened? -- Analyzing objects in an image -- Detecting edges in an image -- Detecting corners in an image -- Detecting circles in an image -- Pop quiz - object analysis pros and cons -- Summary -- 4. Working with Color Images -- An introduction to color image processing -- Basic color image manipulations -- Setting a rectangular area to a specified color -- Time for action - repainting two areas in a color image -- What just happened? -- Thresholding color images -- Time for action - isolating the red pixels in an image -- What just happened? -- Achieving color masking -- Time for action - color isolation -- What just happened? -- The importance of different color spaces -- Time for action - color space transformation -- What just happened? -- CIE-L*a*b* for more efficient color masking -- Time for action - color isolation using CIE-L*a*b* -- What just happened? -- Have a go hero - writing a function for region color isolation -- Fixing illumination issues in RGB color images -- Fixing illumination issues in CIE-L*a*b* -- A practical example - red eye reduction -- Time for action - writing a function for red eye reduction -- What just happened? -- Taking advantage of eye circularity -- Time for action - automating our function for red eye reduction -- What just happened? -- Pop quiz - working with color -- Summary -- 5. 2-Dimensional Image Filtering -- An introduction to image filtering -- Processing neighborhoods of pixels -- The basics of convolution -- The ugly mathematical truth -- Time for action - applying averaging filters in images -- What just happened? -- Alternatives to convolution -- Using imfilter -- Creating filters with fspecial -- Different ways to blur an image -- Time for action - how much blurring is enough -- What just happened?.

Time to make art using blurring -- Time for action - creating the bokeh effect in an image -- What just happened? -- Have a go hero - add a motion effect in your image -- Removing noise using blurring -- Time for action - trying to remove different types of noise -- What just happened? -- The importance of the median filter -- Time for action - removing salt & pepper with medfilt2 -- What just happened? -- Have a go hero - denoising real images -- Bringing back the details -- Time for action - enhancing the edges in our images -- What just happened? -- Brighten up the lights -- Time for action - brighten up the lights in our soldier picture -- Pop quiz - image filtering in 2-dimensions -- Summary -- 6. Mixing Images for Science or Art -- The importance of mixing or combining images -- Using multispectral imaging -- Loading and manipulating the multispectral images -- Time for action - visible spectrum from a multiband image of Rio -- What just happened? -- Time for action - working with invisible spectrums -- What just happened? -- Creating composite images -- Using imfuse to create a composite image -- Using imshowpair to inspect a composite image -- Time for action - cloning the seagull -- What just happened? -- Have a go hero - playing Warhol with your pictures -- One step beyond - blending selected image regions -- Time for action - directing a threatening scene -- What just happened? -- Creating High Dynamic Range images -- Time for action - composing your own HDR images -- What just happened? -- Stitching images for the creation of panoramas -- Time for action - basic approach to panorama stitching -- What just happened? -- Pop quiz - image mixing details -- Summary -- 7. Adding Motion - From Static Images to Digital Videos -- An introduction to digital videos -- The meaning of frames -- Interlaced versus progressive.

Frame rates and their importance -- Calculating number of frames -- Some thoughts on choosing frame rates -- Loading videos in MATLAB -- Loading videos with aviread -- Loading videos with mmreader -- Loading videos with VideoReader -- Choosing which function to use for video reading -- Playing back videos in MATLAB -- Time for action - reading and playing back a video -- What just happened? -- Making videos from static images -- Time for action - constructing and saving a video -- What just happened? -- Have a go hero - make a video with a fade in/fade out effect -- Inspecting a video using montage -- Time for action - don't wait for the ball -- What just happened? -- A tool just for your playback needs - implay -- Using the GUI of implay -- Using implay to play a video file -- Using implay to play an image sequence -- Creating time-lapse videos -- Time for action - time-lapsing a regular video -- What just happened? -- Have a go hero - spinning our time-lapse -- Saving your time-lapse videos in a gif file -- Pop quiz - image filtering in 2-dimensions -- Summary -- 8. Acquiring and Processing Videos -- Using MATLAB for digital video recording -- The Hardware Browser window -- The Information window -- The Desktop Help window -- The Preview window -- The Acquisition Parameters window -- The General tab -- The Device Properties tab -- The Logging tab -- The Triggering tab -- The Region of Interest tab -- The Session Log window -- Time for action - capturing a video using a firewire connection -- What just happened? -- Have a go hero - adding a trigger to our recording -- The importance of video compression -- Checking the size of an uncompressed video -- Checking the size of an MP4 video without any motion -- Checking the size of an MP4 video with high motion -- Working with uncompressed videos -- Working with large videos in postproduction.

Time for action - making an edge detection video.