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Topic: Test pattern


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In the News (Thu 16 Feb 12)

  
  About the ILDA Test Pattern - Pangolin Laser Systems Inc.
(At 8 degrees, the width of the test pattern is roughly 1/7th the scanner-to-screen distance).
In the laser display industry, the ILDA Test Pattern is generally recognized as the standard of comparison.
The ILDA Test Pattern is an industry standard, and is the most-agreed upon measure of scanner performance.
www.pangolin.com /ILDAtest.html   (825 words)

  
 Memory test: AleGr MEMTEST
Test patterns and access sequences used by the program are designed to test burst transfers between CPU and L2 cache and/or memory, because such transfers occur most of the time in real applications.
To test transfers from L2 cache to the processor, some of test passes are performed with data prefetched from the memory to L2 cache.
To test transfers from processor to L2 cache, some of the test passes are performed with data prefetched to L2 cache during test pattern write.
home.earthlink.net /~alegr/download/memtest.htm   (2604 words)

  
 Test Pattern Compression Saves Time and Bits   (Site not responding. Last check: 2007-11-05)
Test vector data volume had been reduced by a factor of 10 and the overall test time by a factor of 2.
In the past, the automatic test pattern generator (ATPG) program filled these bits with random 1s and 0s, but the vectors still had to be stored in the ATE memory.
The original 1,600 test patterns increased to 2,238, but both test data volume and test time were reduced by a factor of 100.
www.evaluationengineering.com /archive/articles/0705/0705test_pattern.asp   (2799 words)

  
 Television Graphics Around the World
This NBC test pattern is dated 1947 but actually dates back to 1941, when commercial TV broadcasts began in America.
This pattern was originated by RCA in 1939; it was designed to be generated using a special tube called a monoscope, a CRT which had a metal plate target on which the pattern was printed.
This is the 16:9 version of the Philips PM5644 test pattern as used by BRT, the Dutch-language Belgian broadcast organisation.
www.meldrum.co.uk /mhp/testcard/around_world.html   (436 words)

  
 Browser-Side Test - Ajax Patterns   (Site not responding. Last check: 2007-11-05)
She proceeds to refactor the parser, ensuring the test still passes, and continues to enhance the test as she builds in further functionality.
The test framework will then run in the browser, and the page must be configured to upload results to a service somewhere, which will expose them to the test process.
Testing both is necessary to be confident that all aspects of the system are working.
ajaxpatterns.org /Browser-Side_Test   (861 words)

  
 The Test Design Pattern Template
The test input and state of the system under test must cause the code segment in which the fault is located to be executed.
Test patterns simply frame and focus the issues that must be resolved to accomplish any kind of testing.
Patterns support results-oriented testing: that is, a scope-appropriate responsibility model of the implementation under test is needed.
www.rbsc.com /pages/TestPatternTemplate.htm   (1591 words)

  
 Unit Test Patterns - Part I
Not testing isolated code will lead to a high coupling between the tests and changing a class might result is many unrelated tests to fail.
Tests should not rely on other tests to be run before or after.
These patterns can be use by themselves or in combinations (For example you want to mock a database connection, but this connection is created in a protected virtual method, The test will use the Inner Class Pattern to return the Mock database object and with a mock object for the actual database.
www.typemock.com /Docs/TestPatterns.html   (1375 words)

  
 The Test Design Pattern Schema   (Site not responding. Last check: 2007-11-05)
This section must explain how the test suite will reach the targeted faults, how it can cause a failure to be triggered, and how a failure will be propagated to become observable.
Test Model section defines a representation for the responsibilities and/or implementation that are the focus of test design.
Test Procedure section defines an algorithm, technique, or heuristic by which test cases are produced from the model.
www.rbsc.com /pages/TestDesignTemplate.htm   (255 words)

  
 Testing Interfaces   (Site not responding. Last check: 2007-11-05)
It is desirable to have one test suite that tests functional compliance with the interface that could be applied to each of the implementing classes.
Since we have no idea what classes might be tested with this test case, we use the interface type as the return value from the factory method.
Since the pattern indicates that we should create a Concrete Test class for every implementation of the interface, there is a strong likelyhood that we will end up with a proliferation of Concrete Tests.
www.placebosoft.com /abstract-test.html   (1838 words)

  
 Test pattern photos of various scanners - Pangolin Laser Systems
In all cases, the circle-in-the-square test will not work -- the circle will be well inside the square.
This means that none of these scanners correctly shows the ILDA Test Pattern at 30 degrees.
This is why the "X" and "ILDA" parts of the test pattern are reduced towards the center -- these are the parts that are most troublesome.
www.pangolin.com /50K_tests/TestPatternPhotos.htm   (723 words)

  
 Test Pattern Maker   (Site not responding. Last check: 2007-11-05)
Test Pattern Maker is a free utility for generating video and audio test patterns.
Accurate test patterns are essential for properly calibrating your equipment and letting others know the levels you have used in your video production.
Test Pattern Maker makes it easy to generate just the tests you need in the format you need them.
www.synthetic-ap.com /products/tpm/index.html   (375 words)

  
 Test Infected:
This testing context is commonly referred to as a test's fixture.
To test this property we have added a test (1) to verify that Monies are equal when they have the same value but are not the same object.
It assumes the name of the test is the name of the test case method to invoke.
junit.sourceforge.net /doc/testinfected/testing.htm   (3967 words)

  
 Boundary-Scan Test and In-System Programming Software
The Corelis Test Program Generator is the next generation automatic boundary-scan test pattern generation tool that takes the process of boundary-scan automation to a new level of performance and ease of use.
Test development time is greatly reduced by automating and integrating many of the tasks that the user previously had to perform manually.
Testing the three assemblies together and the interconnects between them increases the test coverage of the assemblies as a whole.
www.corelis.com /products/Test_Software.htm   (2593 words)

  
 GEKCO VIDEO TEST PATTERN GENERATORS
All video testing is based on the simple principle of applying a known test signal to the video system or equipment input and observing the signal at the output.
The modulated ramp test signal is composed of a luminance ramp from 0 IRE to either 80 or 100 IRE.
The 80 IRE ramp provides testing of the normal operating range of the system; a 100 IRE ramp may be used to optionally test the entire operating range The peak-to-peak modulated chrominance is 40 IRE.
www.gekco.com /vidprmr.htm   (2258 words)

  
 Service Test - Ajax Patterns   (Site not responding. Last check: 2007-11-05)
A Service Test was first created against the Simulation Services, and once this passed, the test was used to drive the design of the real services.
Following is a test of the service that fetches a pattern page from ajaxpatterns.org, and renders it into some summary HTML.
A Browser-Side Test is a good complement to a Service Test, since the former tests browser behaviour while the latter ensures the server will support the browser in the correct way.
ajaxpatterns.org /Service_Test   (614 words)

  
 AOP@Work: Unit test your aspects
However, non-aspect-oriented development environments make it difficult to write a unit test or otherwise isolate the behavior of "checking security before an operation." This is because the behavior diffuses into the target system and is difficult both for humans to pin down and for tools to analyze.
Testing integrated units: This section presents a pattern for testing a piece of an integrated system (in other words, testing both your aspects and non-aspect classes together).
In the example, the test verifies that the advice correctly marshals data from ITDs as well as the return value of the original join point, passes it to a utility class, and returns the new result.
www-128.ibm.com /developerworks/java/library/j-aopwork11/index.html?ca=dgr-lnxw01AOPtesting   (4970 words)

  
 Monitor Test Patterns
The SMPTE (Society of Motion Picture and Television Engineers) test pattern [tutorial] will help you determine whether the contrast and brightness settings of your monitor are acceptable.
The BWH (Brigham and Women's Hospital) test pattern [tutorial] can be used to assess the range of gray levels available on your workstation.
This test pattern is a continuous gray scale image from the center of the pattern.
brighamrad.harvard.edu /research/topics/vispercep/tutorial.html   (495 words)

  
 The Test Pattern List, v2.0.4
Most patterns may be seen by entering the testbild museum.
The sources of the patterns are not listed but may be guessed from the titles of the image files.
This is the most famous (besides color bars, of course) American test pattern.
www.geocities.com /rugratsonline/testpatt   (470 words)

  
 Test pattern NFPA Journal - Find Articles
NFPA developed the 100-question test, which will be widely available in January 2003, as the final step in our new certification program, the rigorous development process of which relied strongly on the NFPA's consensus-based code-making process.
The test was approved last August by the NFPA 5000 Certification Program Job Task Analysis (JTA) Advisory Committee, a group representing every aspect of building construction and safety, which deliberated for more than a year before giving the test its imprimatur.
Evans says most test questions were clear, however some misinterpreted the code, and others missed the mark, forcing the committee to rewrite or delete them.
www.findarticles.com /p/articles/mi_qa3737/is_200211/ai_n9114449   (849 words)

  
 TV Test Patterns
Below are a few excerpts from a terrific UK site by Darren Meldrum TV Test patterns from around the world.
These tubes could only handle fl and white - no shades of gray hence they had to be simulated either with a halftone dot pattern or with patterns of fine lines.
This is the 16:9 PAL version of the Philips PM5644 test pattern as used by BRT, the Dutch-language Belgian broadcast organization.
videouniversity.com /tvtestpa.htm   (188 words)

  
 Abstract Test   (Site not responding. Last check: 2007-11-05)
A Testing Pattern (TestingPatterns) describing a way to reuse test cases for multiple implementations of an Interface.
The AbstractTest is the test suite that really contains all of the actual tests, but it does not know how to construct instances of the testable objects (for that it uses the FactoryMethod).
It may also include tests that are specific to the implementation, but are not general to all implementors of the Interface.
c2.com /cgi/wiki?AbstractTest   (414 words)

  
 Video Resolution Test Patterns
I took some pictures of the EIA 1956 test pattern to measure resolution.
Here is a different resolution test pattern written by Dan Tomandl in Postscript, which comes with notes in the file on how to use it.
This pattern is useful for testing printers, film recorders, and other devices as well- the calibration marks go to 4800 lines, but the wheel pattern goes down to a mathematical point at the center so there's no practical limit to the resolution.
www.bealecorner.com /trv900/respat   (1761 words)

  
 SMPTE Medical Diagnostic Imaging Test Pattern   (Site not responding. Last check: 2007-11-05)
The practice provides users of medical diagnostic imaging systems with a comprehensive test pattern for day-to-day operational checks and adjustments of focus, brightness and contrast, resolution response, mid-band streaking, uniformity, and linearity of viewing monitors and hard-copy recordings.
The electronically-generated test pattern is usually built into the medical imaging equipment by the manufacturers.
A tutorial on the use of the test pattern is available at the Department of Radiology, Brigham and Women's Hospital, Harvard Medical School at http://brighamrad.harvard.edu/research/topics/vispercep/tutorial.html.
www.smpte.org /engineering_committees/medical.cfm   (304 words)

  
 ISPN Media: Test Pattern Archives   (Site not responding. Last check: 2007-11-05)
The theme music for Test Pattern is "Concerto for Violin and Orchestra No. 2 K211 (Rondeau_ Allegro)" by Shlomo Mintz from the album, "CD1 Mozart - The Violin Concertos".
The only question on many minds, was whether or not Senator Johnson would be able to fulfill his duties as a Senator, and if not, then South Dakota Republican Governor Mike Rounds would be the one to appoint his replacement.
When you pledge allegiance to the flag, of the United States of America, you are pledging to stand by the sacrifice made by thousands of men and women who have selflessly given their lives for the Republic for which it stands.
www.ispnmedia.com /test-pattern   (1627 words)

  
 Fluxus Indian Museum - Television Test Pattern   (Site not responding. Last check: 2007-11-05)
The TELEVISION TEST PATTERN is an outstanding example of the Fluxus Indians' uncanny ability to anticipate future technological developments.
Even more remarkably, the Fluxus Indians used a technique called EXTENDED BRAINSTORMING to identify many of the ancillary devices and requirements for a television system--such as a visual TEST PATTERN for fine-tuning the receiver.
The Fluxus Indian Television Test Pattern is similar to test patterns actually used by TV stations during the early years of television.
www.fluxus.org /museum/testpat.htm   (91 words)

  
 The No-Frills Technical Links Page
Sample Test Pattern Images: These demonstration programs and patterns are available for personal non-commercial use.
The Printer Resolution Test Procedures page features the ISO test pattern available as a JPEG picture, but if you were to actually buy it, you could get it here.
Even though the tests for ham operator licenses have been dumbed down considerably, there are many more obstacles for the average person to avoid these days when operating a ham station.
www.akdart.com /nofrills.html   (5354 words)

  
 Test Patterns   (Site not responding. Last check: 2007-11-05)
This is the 16:9 PAL version of the Philips test pattern as used by BRT, the Dutch-language Belgian broadcast organization.
This test pattern started to be used in the 1980's by video enthusiasts and studios in the United States.
These are a few excerpts from TV Test Patterns from Around the World.
www.high-techproductions.com /testpatterns.htm   (170 words)

  
 Test Patterns
Nokia has some other great test patterns here.
You can view the test pattern to see if your TV is actually displaying every line of resolution.
Feedback (such as requests to create test patterns for other resolutions not listed here) can be sent here.
www.tigerdave.com /test_patterns.htm   (312 words)

  
 ActiveMural Test Pattern Program   (Site not responding. Last check: 2007-11-05)
This program generates a test pattern that we use to align the projector position, and collect colorimetry data.
The pattern consists of 4 lines and 15 squares positioned according to our needs.
The logfile is not interesting to use at this point.
www-fp.mcs.anl.gov /activemural/experiments/activemural_test_pattern_program.htm   (55 words)

  
 PatternTesting - News   (Site not responding. Last check: 2007-11-05)
PatternTesting is a testing framework that allows to automatically verify that Architecture/Design/Best practices recommendations are implemented correctly in the code.
Read the What is Pattern Testing page for more details.
Infrastructure tools to easily execute Pattern Tests on your project (plugins for Ant and Maven, report generation, etc).
patterntesting.sourceforge.net   (177 words)

  
 MONTEST-LCD Signal Generator, Video Pattern Generator, Monitor Repair, VGA cable
Also known as: test pattern generator, pattern exerciser, sync signal generator, portable monitor testing instrument, pattern generator, video test pattern.
MONTEST-LCD signal generator is an easy to use, portable instrument for testing, repairing and aligning analog computer monitors, LCD displays and video projection systems.
These video splitters (port expanders) enable 2, 4 or 8 VGA or SVGA monitors to be driven by a single PC.
www.montest.com   (198 words)

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