twimshow - display and quickly switch between input images/ video sequences by Aram

twimshow provides an easy way to quickly compare two or more images or image sequences (imshow, image, video)

twimshow(z, cmap, datasetNames, curImInd)

Straighten image by Jan Motl

The function finds the document orientation. (image, horizon, tilted)

horizon(image, varargin)

SegmentTool: An Interactive GUI for Segmenting Images by Brett Shoelson

Interactively find the best approach to segmenting (masking) your image (app, image, gui)

SegmentTool

cellfind(z)

createButtonLabel(string,varargin)

Magic kernel resizing by Jan Motl

The “magic kernel” is a method of resampling images that gives clear results free of artifacts. (image processing, shrinking, enlarging)

output=magickernel(image, varargin)

Rotate an image about a point by Jan Motl

Performs rotation of an image about any point inside of the image. (image processing, rotation, image)

output=rotateAround(image, pointY, pointX, angle, varargin)

rotateAround_test.m

Active Contours implementation & test platform GUI by Nikolay S.

Implementation and demonstration of several active contours segmentation methods. (geodesic snakes, enhancement, segmentation)

Active Contours implementation & test platform GUI

ActiveContoursWihoutEdges(hObject,mask)

LevelSetEvolutionWithoutReinitialization(Img,sigma,epsilon,...

Location of Text in Images of Natural Scenes by Ashwin

A Novel Algorithm to detect and localize text in Natural Scene Images (text, localize, image)

TextLocalization.m

IMPIXEL with FIGURE TOOLS by Divakar Roy

IMPIXEL_FIGTOOLS Pixel color values with figure tools on. (impixel, image, gui)

ginput_gui(varargin)

impixel_figtools(img)

Embed Text and Graphics in an Image by Brett Shoelson

Burn or embed text and graphics in an image. (image processing, embed text, embed graphics)

insertInImage(baseImage,insertionCommand,PVs)

mimtransform by Felipe G. Nievinski

Changes the map projection of a raster image. (image, mapping, projection)

angle_range_positive (angle)

azimuth_range_positive (varargin)

get_border_ind (grid, n)

3D histogram of RGB image by Pavel Rajmic

Creates 3D-histogram from an RGB image in the form of balls within the RGB cube (rgb, image, histogram)

image_hist_RGB_3d(imname,n,gamma)

rgb_noise_image(rows,cols,filename)

demo_image_hist_RGB_3d.m

Image Registration GUI by Brett Shoelson

GUI environment for registering a Moving image to a Fixed image (image, gui, image alignment)

Image Registration GUI

ImageRegistrationGUI.m

distributeObjects(nobjects,startpos,endpos,gap,warnoff)

3D Slicer by David Legland

Slicer for exploring 3D images (grayscale, color or vectorial) through planar or 3D slices. (display, 3d viewer, slice)

3D Slicer

createRGBStack(img1, img2, img3)

flipStack(img, axis)

Line Detection via Standard Hough Transform by Amin Sarafraz

Detects lines in binary images via Standard Hough Transform. (line detection, hough transform, image analysis)

houghline(Imbinary,pstep,tetastep,thresh)

Send Video from Simulink diretly to MATLAB GUI - Example. by Roni Peer

This simple example shows how you can take a Simulink signal (Video feed), and disply it in a GUI. (matlab, simulink, gui)

sfuntmpl_imaq(block)

simpleGUI_imaq(varargin)

START_HERE.m

Noncontact Speckle-Based Velocity Meter by Sagheb Kohpayeh Araghi

Finding a velocity of substance by using radon transform. (velocity, radon, image)

Johann

Merging pictures by Nishant Gupta

A very basic use of image processing toolbox to merge 2 (or more, with little editing) pictures. (merging, image processing, image)

picture_merge.m

Label Image by Amitabh Verma

Script to place text label on the image without losing on the pixel information by pixel replacement (image, label, overlay)

labelimg(varargin)

Vibration from frames by Nassim Khaled

this can be used to extract the frequency of a simple harmonic vibrations from frames (image, processing, vibration)

...

Frequency=vibration_from_images(FPS,base_name_of_frame,nb_o...

Y=line_detect_fct(Image)

Image Quantiser for FLXTBL writer by PZFlex

Used in conjunction with the 'write_flex_material_table.m' (quantise, image, image processing)

quantise_image(I,CMap)

DrawRect by Vidya Murali

Draws a 1-pixel rectangle on an input image with a given color ('r', 'g' or 'b'). (image processing, rectangle, image)

DrawRect(wrimage,rect1,color)

test_drawrect.m

LABEL ME by Vidya Murali

MANUALLY LABELING IMAGE REGIONS BY SELECTING RECTANGLES (image, label, manual)

labelme.m

3D Free Form Image Registration Toolbox (GUI) by Daniel Markel

A toolbox for performing image registrations on 4D RTOG files or any other volumetric image. (image registration, 3d, image)

Crop_image(varargin)

Dcoord(varargin)

Deform(varargin)

Active Shape Model (ASM) and Active Appearance Model (AAM) by Dirk-Jan Kroon

Cootes 2D/3D Active Shape & Appearance Model for automatic image object segmentation and recognition (2d, active appearance mod..., active shape model)

A=imresize3d(V,scale,tsize,ntype,npad)

AAM_2D_example.m

AAM_3D_train_example.m

Snake : Active Contour by Dirk-Jan Kroon

Snake Segmentation (Kass et al), 2D/3D including GVF and balloon force (Easy to read code) (1987, witkin, contour)

B=SnakeInternalForceMatrix2D(nPoints,alpha,beta,gamma)

B=SnakeInternalForceMatrix3D(FV,alpha,beta,gamma)

ExternalForceImage2D(I,Wline, Wedge, Wterm,Sigma)

RGBImageToTransparentPNG by Silvano Bertoldo

This functions gets a RGB image amd create a .png transparent image. (rgb, png, trasparent)

RGBImageToTransparentPNG( sImage, sNamePng, nColorNoTras )

B-spline Grid, Image and Point based Registration by Dirk-Jan Kroon

B-spline registration of two 2D / 3D images or corrsp. points, affine and with smooth b-spline grid. (3d, bspline, registration)

A=imresize3d(V,scale,tsize,ntype,npad)

Dlocal=jacobiandet_transform_2d_double(Ox,Oy,Isize,dx,dy)

E=strain(Ux,Uy,Uz)

bwclearborder by Sean de

Same thing as IMCLEARBORDER, but faster for 2 and 3-dimensional binary images. (bwclearborder, binary, bw)

bwclearborder(bw,conn)

imcensor by Sean de

GUI to censor parts of an image (gui, censor, image)

imcensor(I)

Viewer3D by Dirk-Jan Kroon

MIP, Color, Slice and Shaded 3D (shearwarp) Volume Rendering, interactive 3D view/measurement GUI (3d, dicom, mip)

B=SnakeInternalForceMatrix2D(nPoints,alpha,beta,gamma)

B=SnakeInternalForceMatrix3D(FV,alpha,beta,gamma)

ErrorData3D(varargin)

Plot to Bitmap by Dirk-Jan Kroon

Plot lines (and text) directly into a bitmap, including filled polygons. (bitmap, image, text)

I=bitmapplot(x,y,Ibackground,options)

I=bitmaptext(lines,I,pos,options)

ptimtransform by Maxime

ptimtransform transforms an image and a list of points all together. (transform, image, points)

ptimtransform(pts,img,T)

Image and Terrain Modeling using Incremental Delaunay Triangulation by Omid Sakhi

This program model image/digital elevation data using incremental Delaunay triangulations. (image, terrain, modeling)

aIDT(input_im,max_allowed_error,max_number_of_iterations)

aRDT(input_im,number_of_vertex)

aReCon(dt,z)

Hidden Markov Tree model of Contourlet Transform by duncanpo Po

MATLAB files that fit a hidden Markov tree model (contourlet, denoise, denoising)

contourlet(pyrfilter, dirfilter, levndir, imname, imformat)

contourlet2tree(coef, dir)

contournc(nv, pyrfilter, dirfilter, nlev, imdim)

Face Averager by Christopher Riederer

A group of functions for making averages of faces. (face averaging, average, face)

AverageStructIter( f )

DrawAll( f )

DrawFaceAndEyes( f )

Gabor filtering on an image by Deepak Kumar Rout

Application of gabor filter on image (gabor filter, i am not understand, what is the goal of t...)

gb=gabor_fn(sigma,theta,lambda,psi,gamma)

gabor_program.m

Image Edge Enhancing Coherence Filter Toolbox by Dirk-Jan Kroon

Advanced 2D/3D noise removal and edge enhancing with anisotropic diffusion filtering ( Weickert ) (3d, ridge, image enhancement)

CoherenceFilter(u,Options)

D=derivatives(I,option)

I=imgaussian(I,sigma,siz)

ImagePatchTool by Amitabh Verma

Patching technique for text/image without losing on the pixel information in the rest of the image. (stitching, overlay, patching)

ImagePatchTool.m

Extract Red Objects from Aerial Image by Husam Aldahiyat

A very simple and short example on image processing. (aerial, object, image)

redcars

Animated GIF by Robert Bemis

How to generate an animated GIF from MATLAB (animation, gif, image processing)

How to make an animated GIF

Hide Images In Image by Divakar Roy

Embedding Utility (hide, image, inside)

extract_image(source_image)

hide_image(src_img,varargin)

draw_ellipse by Samir Sahli

by Sahli Samir, Sept.4th 2009,Generalization of ellipseMatrix with RGB and border conditions (ellipse, matrix, image)

draw_ellipse(y0, x0, a, b, theta, Image, FilledColors)

MATLAB FOTOSHOP by Divakar Roy

Inspired By Adobe Photoshop (enhancement, image, processing)

about_author(varargin)

about_matlab_gui(varargin)

color_balance_gui(varargin)

Color Image Processing Webinar Files by Bruce Tannenbaum

Presentation file and color calibration demo. (makecform, image, image processing)

adjustWP(squareMeans,chartSquares)

calculateError(squares1, squares2)

createCurves(...

Image Format Conversion: Binary to RGB by Kyle Scott

Reformats binary (black and white) images as true color RGB images. (binary, bw2rgb, image)

bw2rgb(bwPic)

Histogram Overlay Block by Alan Hwang

The Histogram Overlay Block plots a histogram onto your video in Simulink® (video, histogram overlay, image)

HistogramOverlay_r2008a

Droste Effect Tool by Steve Hoelzer

Apply the Droste Effect to an image using a GUI or function call. (droste, conformal mapping, special effects)

The Droste Effect

droste_effect(img, reg, varargin)

droste_gui(varargin)

ROI Draw by Christopher Changchien

ROI Draw allows you to draw rectangular ROI's at any angle. (signal processing, statistics, probability)

ROIDraw(varargin)

Image De-Nosing Using Low-Pass Filters by Abdulslam Gaddafi

Add noise then filter it using different spatial and frquency filters. (denoising, image, image processing)

see(varargin)

Mosaic random-images by Yasser Arafat

This program creates random mosaic / tile image (mosaic, image, random)

[NoorImage resized]=YDynamicTiling(URows,UCols,NImgRows,NIm...

Demo_DynamicTiling.m