ImageFilterDemo - Revision history

Ndaugherty6 at 02:49, 14 June 2018

2018-06-14T02:49:35Z

DavidF: /* Program & Source Code */ release of v1.5.2

2005-11-22T00:04:37Z

‎Program & Source Code: release of v1.5.2

DavidF: /* Program & Source Code */ "theta" => " $\theta$ "

2005-11-20T20:22:16Z

‎Program & Source Code: "theta" => "<math>\theta</math>"

DavidF: /* Program & Source Code */ added images of the LinearHoughTransform2 filter in action

2005-11-18T19:51:05Z

‎Program & Source Code: added images of the LinearHoughTransform2 filter in action

DavidF: /* Program & Source Code */ reversed order in which versions are displayed (now: newest->oldest)

2005-11-18T19:24:22Z

‎Program & Source Code: reversed order in which versions are displayed (now: newest->oldest)

Show changes

DavidF: /* Program & Source Code */ spaced out different versions

2005-11-18T19:20:21Z

‎Program & Source Code: spaced out different versions

DavidF: /* Program & Source Code */ release of v1.5.1

2005-11-18T19:12:10Z

‎Program & Source Code: release of v1.5.1

DavidF: /* Program & Source Code */ release of v1.5 (with download link)

2005-11-17T04:45:10Z

‎Program & Source Code: release of v1.5 (with download link)

DavidF: added "See Also" section

2005-11-16T19:43:22Z

added "See Also" section

DavidF: /* Program & Source Code */ release of v1.5

2005-11-16T18:31:16Z

‎Program & Source Code: release of v1.5

← Older revision		Revision as of 02:49, 14 June 2018
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		+	[[Category:IGVC]]
	[[Image:ImageFilterDemoScreenshot.jpg\|thumb\|right\|Screenshot]]		[[Image:ImageFilterDemoScreenshot.jpg\|thumb\|right\|Screenshot]]

@@ Line 9: / Line 9: @@
 == Program & Source Code ==
 * [[:Image:ImageFilterDemo_v1_5_1.zip|v1.5.1]]
 [[Image:LinesOnBlack.png|thumb|right|Before...]]

@@ Line 18: / Line 18: @@
 ****# lines in all orientations are detected equally well - sensitivity to near-diagonal lines is better
 **** ''Filter Writers:'' This is the first standard filter that produces an output image that is of a different size of an input image. Those wishing to implement similar filters may want to take a look at the code of this filter.
-*** Added '''LineGenerator2''', a new filter that displays a line at a specified (<tt>r</tt>, <tt>theta</tt>) coordinate (relative to the center pixel of the input image).
+*** Added '''LineGenerator2''', a new filter that displays a line at a specified (<tt>r</tt>, <tt><math>\theta</math></tt>) coordinate (relative to the center pixel of the input image).
 **** The lines that this filter can generate are precisely the ones that '''LinearHoughTransform2''' can search for.
 ** Enhanced the '''BufferedImages''' utility class:

@@ Line 10: / Line 10: @@
 == Program & Source Code ==
 * [[:Image:ImageFilterDemo_v1_5_1.zip|v1.5.1]]
 ** Added some new filters:
 *** Added '''LinearHoughTransform2''', an experimental new filter that detects lines of white pixels in a grayscale image.

@@ Line 11: / Line 11: @@
 * [[:Image:ImageFilterDemo.zip|v1.0]]
 ** Original version
 * [[:Image:ImageFilterDemo_v1_0_1.zip|v1.0.1]]
 ** Added '''PixelBufferFilter2''', a new type of filter.
 ** Added contour extraction filters for the horizontal, vertical, and plus (horizontal+vertical) directions.
 * [[:Image:ImageFilterDemo_v1_0_2.zip|v1.0.2]]
 ** Addressed issue with loading certain images on Windows systems.
 *** Specifically, <tt>java.awt.Toolkit.prepareImage(Image, int, int, ImageObserver)</tt> on Windows does not notify the specified ImageObserver when images are finished loading under certain conditions.
 *** Credit goes to [[User:AndyB|Andy]] for discovering this bug.
 * [[:Image:ImageFilterDemo_v1_0_3.zip|v1.0.3]]
 ** "Select..." button for selecting files now remembers the last file that was selected (even across different invocations of the program).
 ** Added support for dragging & dropping files into the "file well".
 * [[:Image:ImageFilterDemo_v1_0_4.zip|v1.0.4]]
 ** Added ability to save filtered images to disk.
 * [[:Image:ImageFilterDemo_v1_1.zip|v1.1]]
 ** Added support for filter parameters that are manipulatable in the GUI.
 ** Cleaned up and updated the <tt>README</tt> file.
 * [[:Image:ImageFilterDemo_v1_1_1.zip|v1.1.1]]
 ** Fixed bug: The GUI editors for the filter parameters now check to make sure that the inputted value for a parameter is within the parameter's minimum and maximum values.
 * [[:Image:ImageFilterDemo_v1_2.zip|v1.2]]
 ** Made plugin architecture easier to use.
@@ Line 33: / Line 40: @@
 *** This can be done automatically if you write your plugin inside the <tt>srcplugins</tt> folder and then build it using the <tt>make pluginsWithDist</tt> command.
 ** Updated <tt>README</tt> file to explain the new way of adding plugins to the GUI.
 * [[:Image:ImageFilterDemo_v1_2_1.zip|v1.2.1]]
 ** Minor corrections make to the Makefile.
@@ Line 46: / Line 54: @@
 ***# <tt>BrightnessChannelFilter</tt>
 *** '''BarrelHilighterFilter''' (''experimental'') - hilights areas of images where the difference <tt>(Red - Green) = Orange</tt> is large
 * [[:Image:ImageFilterDemo_v1_2_2.zip|v1.2.2]]
 ** Added '''BufferedImageFilter2''', a new type of filter.
 ** Added '''PixelBufferToBufferedImageFilter''', a new type of filter.
 * [[:Image:ImageFilterDemo_v1_2_3.zip|v1.2.3]]
 [[Image:IdentifiedBarrel.png|thumb|right|A barrel and its bounding box, as identified by '''BarrelBlobFinder''']]
@@ Line 55: / Line 65: @@
 ** Added a <tt>Threshold</tt> parameter to ''BarrelHilighterFilter''.
 ** Added '''BarrelBlobFinder''', an experimental new filter that locates and draws bounding boxes around barrels.
 * [[:Image:ImageFilterDemo_v1_2_4.zip|v1.2.4]]
 ** Addressed issue with loading certain images on Mac OS X:
@@ Line 62: / Line 73: @@
 *** Due to the particular way in which ImageFilterDemo checked whether the image was loaded successfully, this strange pattern of invocation resulted in the message "Unable to load image!" being briefly displayed before the input image was rendered.
 *** To address this issue, the image loading code was rewritten to use the Image I/O API instead of the AWT Image API.
 * [[:Image:ImageFilterDemo_v1_2_5.zip|v1.2.5]]
 ** Enhanced '''BarrelBlobFinder''' to determine barrel widths a lot more accurately.
 *** Specifically, '''BarrelBlobFinder''' can now deal with barrels whose bottoms appear curved (which is common) more robustly.
 * [[:Image:ImageFilterDemo_v1_3.zip|v1.3]]
 ** New input source: Image sequences
 **# Choose an input file from a folder of images.
 **# Click the "Play" button in the lower-left corner of the window.
 * [[:Image:ImageFilterDemo_v1_3_1.zip|v1.3.1]]
 [[Image:Histogram.png|thumb|right|Example histogram generated by '''GrayscaleLevelHistogram''']]
@@ Line 74: / Line 88: @@
 *** Created to assist in evaluating [[Adaptive Thresholding|adaptive thresholding]] algorithms.
 [[Image:HistogramWithOtsuThreshold.png|thumb|right|Example histogram with optimal [[Adaptive Thresholding#Otsu Threshholding|Otsu]] thresholding level indicated]]
 * [[:Image:ImageFilterDemo_v1_3_2.zip|v1.3.2]]
 ** Added '''OtsuThresholdingAlgorithm''', an implementation of the [[Adaptive Thresholding#Otsu Threshholding|Otsu thresholding algorithm]].
 ** Modified '''GrayscaleLevelHistogram''' to display the optimal threshold value for the output histogram, as calculated by the [[Adaptive Thresholding#Otsu Threshholding|Otsu thresholding algorithm]].
 * [[:Image:ImageFilterDemo_v1_4.zip|v1.4]]
 ** Fixed a behavioral bug in '''ImageFilterDemo''' that caused the filter pipeline to be cleared continuously while image sequences were being played.
@@ Line 99: / Line 115: @@
 ** Added '''BufferedImages''', a new utility class for performing certain operations on <tt>BufferedImage</tt>s in a optimized fashion.
 ** Modified the GUI name of '''BarrelHilighterFilter''' to <tt>"Barrel Hilighter (Orange = Red-Green)"</tt>.
 * [[:Image:ImageFilterDemo_v1_4_1.zip|v1.4.1]]
 ** Extended the '''Pixels''' class with methods for converting to/from grayscale pixels.
 ** Added '''Histograms''', a utility class with methods for creating and analyzing normal histograms as well as probability histograms.
 * [[:Image:ImageFilterDemo_v1_5.zip|v1.5]]
 ** Added a "scaling factor" slider to the ImageFilterDemo UI. Scaling images to smaller sizes improves performance in general.
@@ Line 127: / Line 145: @@
 *** Added the <tt>grayToARGB</tt> method.
 *** Added <tt>WHITE_ARGB_PIXEL</tt> and <tt>BLACK_ARGB_PIXEL</tt> constants.
 * [[:Image:ImageFilterDemo_v1_5_1.zip|v1.5.1]]
 ** Added some new filters:

← Older revision		Revision as of 19:43, 16 November 2005
Line 145:		Line 145:
	* Ability to save config profiles for each filter. --[[User:AndyB\|Andy]]		* Ability to save config profiles for each filter. --[[User:AndyB\|Andy]]
	** ''...to file, to preferences, or to both?'' --[[User:DavidF\|David]]		** ''...to file, to preferences, or to both?'' --[[User:DavidF\|David]]
		+
		+	== See Also ==
		+	* [[Barrel Blob Finder]]