Imatest Documentation

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Imatest Documentation Diagnostics runs Procedure 2: Copy and paste screen dump image (complex but reliable) Click Alt-PrtSc or Alt-PrintScreen, depending on the keyboard. Paste the image (from the clipboard) into an image editor. In most image editors (for example, IrfanView, a great free utility ), click Edit, Paste or control-V. Save the image as a GIF or PNG file (much smaller than TIFF or BMP and clearer than JPEG). Attach the file to the e-mail (or include it inline). For Imatest errors that shut down the DOS window (this has become rare), or where extra diagnostic results may help in locating a problem, Run Imatest from the Imatest folder (C:\Program files\Imatest in English installations) by double-clicking Diagnostics (or diagnostics.bat). This keeps the DOS window open after Imatest terminates so you can view the error message. E-mail the error message to Imatest support. Tell us your Imatest version and operating system. In some instances you can fix the problem by deleting imatest.ini (or renaming it, which is better because you have a record). Instructions here. Path conflicts when other versions of Matlab are installed X The procedure entry point svDoubleSclarRemW could not be located in the dynamic link library libmwservices.dll If a different version of Matlab from the one used for Imatest (6.5.1) has been installed on your system, there is a tiny chance that you may experience a path conflict that causes a similar error message— or Imatest may simply fail to run. This rarely happens because the batch file that initiates Imatest sets the path. Path issues and solutions are discussed in API/EXE instructions. Bugs and all that The following message appears several times in the DOS window when you try to save data. Function 'get_param' is not implemented in standalone mode. This has no effect on the saved images, and it's rarely visible since the DOS window remains in the background. Matlab has described the problem, to be fixed in a future release, here. The Open files dialog box in some modules cannot be resized. This is a bug in Matlab Release 13. (However SFR has a new Open files dialog box that can be resized. And multiple files can be selected.) More documentation Instructions for individual Imatest modules can be found in the Imatest Documentation page. 436 of 451
Imatest Documentation Imatest Change Log Imatest release history Imatest change log (release notes) To obtain the latest version of Imatest (for updates, new installations, and trial as well as and full versions) go to Imatest Download. Imatest license holders are entitled to free updates for one year from the date of purchase. After that you need to renew. If you license is not current, you can download and install the version that was current one year after the purchase date from http://www.imatest.com/packages/Imatest-Release.exe where Release can be found in the table below. Example: http://www.imatest.com/packages/Imatest-2.5.4.exe . (This also works for beta releases.) You rarely need to uninstall an existing version. If you suspect that your installation has been corrupted, try clicking Settings, Reset Defaults (in the Imatest main window) before reinstalling. Date Release Description Oct. 14, 2009 3.5.2-Beta Generalized raw read capability has been added for reading noncommercial raw files (that can't be read by dcraw). The new Lens-style MTF plot is similar to MTF displays in the Canon, Nikon, and Zeiss websites. Sept. 17, 2009 3.5.1 Additional geometric information has been added to the Image & Geometry display in SFRplus. Numerous small improvements have been made to the interface: User interface locations are much more tightly controlled. XML data for SFR and SFRplus has been restructured in preparation for an upcoming Database product. August 5, 2009 3.5 Sensitivity (ISO speed) measurements have been added to Stepchart, Colorcheck, SFRplus, and Multicharts. The dcraw interface has been updated to include gamma selection and an option to turn off auto white level (import for sensitivity). A new region selection in SFRplus allows detailed 3D plots to be generated from charts with two contrast levels (selecting all important high contrast edges). SFRplus CSV output has been enhanced. Corrected a bug in SFRplus batch (multi-file) runs in 3.4 and 3.4.1. July 1, 2009 3.4.1 SFR and SFRplus calculations have been sped up significantly. A Speedup checkbox in both modules provides additional speed by removing some calculations (SQF, noise statistics, clipping check, etc.) A Top/Default view toggle button has been added for SFRplus 3D plots. Color correction matrix calculations have been enhanced. A Speedup button Light Falloff skips calculations when the corresponding plot is not called. May 8, 2009 3.4 3D plots with automatic or manual scaling are available in SFRplus and Light Falloff. These plots can be rotated for improved visualization and offer numerous display options. A second secondary readout is available in SFR and SFRplus. Color analysis has been added to SFRplus for charts that contain the optional color pattern. Several options have been added to SFRplus: edge cropping, additional edge selections, the ability to select the number of rows manually (useful when the square aspect ratio is not 1:1). Distortion now works with a single edge near the image boundary. Figures can be saved as Matlab Fig files, which can be opened and manipulated in Imatest. 3D images can be rotated. But Fig files should be used sparingly: they're much larger than PNG image files. The EXIF button in the Imatest main window displays the complete EXIF data for an image file (most formats). Jan. 8, 2009 3.3 The Batchview module has been released for viewing summary results of batch lens tests (for example sequences of images at different f-stops). Dynamic Range and SFRplus calculations have been made more rubust. Imatest Studio can now run batches of up to six files (for use with Batchview). Dec. 26, 2008 3.2.5 A Vectorscope (pattern used for adjusting video/cinema cameras) has been added to Multicharts, along with support for the DSC Labs ChromaDuMonde 28 test chart . Optional constraints have been added to the color matrix calculation. Reload buttons have been added to Multicharts and Rescharts. Dec. 2, 2008 3.2.4 A new View/Rename Files utility has been added so that files can be renamed using EXIF data-- a big help when large amounts of data has been taken and file names direct from cameras make little sense. The Help buttons have been repaired. Nov. 26, 2008 3.2.3 Color/brightness profile plots, similar to plots in Light Falloff, has been added to SFRplus. An Image display for examining details (individual color channels and exaggerated saturation) has also been added, and region detection is more robust. Nov. 12, 2008 3.2.2 Many small improvements make SFRplus calculations more robust. The noise spectrum has been added to histogram figure. Weighting options have been added to the Multicharts Color matrix calculation: highlights can receive stronger weight. Nov. 7, 2008 3.2.1 EXIF metadata can be read in greater detail from all image file formats with the addition of Phil Harvey's ExifTool, which must be downloaded and installed following instructions here. Noise readouts and histograms in SFR and SFRplus have been greatly improved. Wider regions (ROIs) are available in SFRplus for improved noise analysis. Many SFRplus bug fixes. 437 of 451
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Imatest Documentation © 2009 Imate
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Imatest Documentation Using SFRplus
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Imatest Documentation Image Quality
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Imatest Documentation MTF50 in Line
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Imatest Documentation Using Imatest
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Imatest Documentation CSV files- Ex
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Imatest Documentation Diagnostics r
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Imatest Documentation SVG Test Char
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Imatest Documentation SVG SFR chart
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Imatest Documentation To run Test C
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