Тест на ореолы нло от blurbusters

Тест на ореолы нло от blurbusters

Type of Display: This test is primarily designed for LCD displays (steady backlight, sample-and-hold displays).
Instructions: Watch the UFO. Slowly adjust the «Pixel Per Frame» by 1 until background looks like a perfect checkerboard with the dark and light squares as exactly the same size as possible. Once this is done, this will be your display’s measured «Moving Picture Response Time» (MPRT) / measured «Motion Clarity Ratio» (MCR).

MPRT is not the same thing as GtG. See FAQ: GtG versus MPRT. A different animation is TestUFO: GtG versus MPRT. Moving Picture Response Time (MPRT) is display persistence. GtG is the pixel transition time, while MPRT is pixel visibility time. MPRT can still create a lot of display motion blur even if pixel response (GtG) is instant. MPRT is a more accurate representation of visible motion blur blur (see Eye Tracking Motion Blur Animation demo). For the scientifically ideal instant-response sample-and-hold display, MPRT is exactly equal to the time period of one refresh cycle. For the scientifically ideal impulse-driven display (e.g. square-wave strobe backlight), MPRT is exactly equal to strobe flash length. (see Black Frames Insertion Animation). MPRT is also known in some industry circles as «persistence». However, the more scientific term is Moving Picture Response Time (MPRT) found in science papers on Google Scholar. For more information about display persistence, see Blur Busters Law.

Motion Clarity Ratio (MCR) is equal to 1000 divided by MPRT. Similiar terms are sometimes used by TV manufacturers («Clear Motion Ratio», «Motion Clarity Index», etc.) to represent an equivalence to a refresh rate. Techniques such as frame-interpolation and impulse-driving (scanning backlights, strobing) frequently combine to create higher Motion Clarity Ratios (MCR). It represents the same perceived display motion blur as an ideal sample-and-hold display refreshing at a Hz matching the MCR value. This test allows you to measure the actual correct representative number as seen by the human eye, which may sometimes be lower than advertised numbers.
Note: This motion test is compatible with impulse-driving. However, this motion test will not work with frame-interpolation. this motion test is incompatible with frame-interpolating displays.

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TestUFO

This is www.testufo.com, the popular TestUFO display motion tests created by Blur Busters.
Also see TestUFO Discussion Forums or read below for news and articles about TestUFO:

Beautiful Red Phosphor in New 1ms IPS 1440p LCDs Interferes With Blur Reduction Badly

Posted Mar 9, 2020 by Mark Rejhon

New Windows Update Improves Mixed-Hz Multimonitor — With One Caveat

Posted Feb 18, 2020 by Mark Rejhon

While Apple Does Not Support 120 Hz TestUFO, Xiaomi Uses TestUFO To Demo 144 Hz Redmi 5G Smartphone

Posted Jan 16, 2020 by Mark Rejhon

ASUS and NVIDIA Announce 360 Hz Esports Displays — And Blur Busters Creates Custom TestUFO Test

Posted Jan 6, 2020 by GrIdL0cK

The Stroboscopic Effect Of Finite Frame Rate Displays

Posted Sep 24, 2019 by Mark Rejhon

Making Of: Why Are TestUFO Display Motion Tests 960 Pixels Per Second?

Posted Jun 23, 2019 by Mark Rejhon

LCD Motion Artifacts 101: Introduction

Posted Jun 5, 2019 by Mark Rejhon

LCD Motion Artifacts: Overdrive

Posted Jun 5, 2019 by Mark Rejhon

Microsoft Edge Browser Now Supports 240Hz on TestUFO Motion Testing Website

Posted Apr 8, 2019 by Mark Rejhon

High Speed Video Of OLED Refresh Cycles at 960fps

Posted Jan 20, 2019 by Mark Rejhon

Understanding Display Scan-Out Lag With High Speed Video

Posted Jan 13, 2019 by Mark Rejhon

Simulated Variable Refresh Rate on any monitor without G-SYNC or FreeSync

Posted Jan 27, 2018 by Mark Rejhon

Blur Busters Forums

TestUFO Motion Tests

The #1 Site of Everything Better Than 60Hz™

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UFOTest —
Check Your Screen FPS

Blur Busters UFO Motion Tests with ghosting test, 30fps vs 60fps, 120hz vs 144hz vs 240hz, PWM test, motion blur test, judder test, benchmarks, and more.

Most Amazing Features of FPS/UFO Test

Reveals Ghosting

find trail of pixels and in this case “ghosts” in fast-moving scenes and ghosting test.

Overdrive Artifacts

Final color value of pixels bouncing back to its absolute color value find it at our Ufo Test.

Check FPS

FPS Test aims to show the difference between lower and higher framerates of your monitor.

Frame Skipping

Check If your monitor Skipping the frames or not by taking online UFO test.

Dead Pixel

Take Dead Pixels Test and Fix it by locating dead pixels on your monitor screen.

Anti Aliasing

Find smoothing of jagged edges in images on screen by averaging the pixels at a boundary.

What is UFO Test?

UFO test combines motion blur test, ghosting test, 30fps vs. 60fps, 120hz vs. 144hz vs. 240hz FPS Test, PWM test, judder test, benchmarks, Blur Busters UFO Motion Tests, and more.

It reveals the realtime simulation of your monitors, laptop screen, and other devices.

Overdrive Artifacts — When pixel overshooting its final color value and rippling or bouncing back to its absolute color value, this phenomenon is known as overdrive artifacts or «Coronas» or «inverse ghosting.» It reduces motion blur very slightly, but only up to the limitations of the sample-and-hold effect.

Eye Tracking — The process of measuring the point of gaze (pixel you are looking at) or the motion of an eye relative to the head. In simple words, an eye tracker is a measuring eye position and eye movement.

Framerates Versus — The number of frames that the system can produce in a fraction of a second by combining your graphics card and your system’s processor.

Persistence of Vision — It is an optical illusion where the human eye perceives the continued presence of an image after it has disappeared from the screen is known as Persistence of vision or retinal Persistence.

Phantom Array Effect — The change in perceived shape or spatial positions of the pixel on screen induced by a light stimulus, the luminance or spectral distribution fluctuates with time.

Stutters, Tearing, and Framerate Fluctuations — When your monitor’s refresh rate and GPU’s frame rate are not synchronized at the same time, then your screen gets fluctuates, which is known as screen tearing.

Refresh Rate Simulation — The refresh rate counts the number of times the display fully refreshes in a fraction of a second. It is measured in Hertz (Hz); a standard display refresh rates are 60Hz display refreshes 60 times per second, 90Hz is 90 times per second, 120Hz is 120 times per second, etc.

Display MPRT Measurement — MPRT is a moving picture response time that measures the response time of a moving picture on the screen, and it is specially designed for LCDs.

Blur Trail — Blur Trail measures the tracking of your eyes on the moving line. It is useful for testing temporal elements of your display refresh, and a faster-moving line is better/easier for detecting artifacts.

Aliasing Visibility Test — It determines how far away you can get from your display before you can no longer see the benefits of the resolution of your display screen.

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Reviewers using Blur Busters Testing Techniques

Published Jan 29, 2017 by Mark Rejhon

Several display review websites have adopted Blur Busters testing techniques, including the motion blur photography technique invented by Mark Rejhon of Blur Busters. For more information about the Blur Busters pursuit camera technique, see the peer-reviewed paper and also pursuit camera instructions with the motion tests at www.testUFO.com.

Here are some websites that have adopted the Blur Busters pursuit camera tests:

RTINGS.com

rtings.com — HDTV buying recommendations on a Montreal-operated website.
“To validate that our camera goes at exactly the same speed as our logo, we are using temporal tick marks placed just below the logo. This technique was invented and proposed to us by Mark Rejhon of Blur Busters, a website dedicated to the reduction of motion blur.”
Also see: RTINGS’ behind-the-scenes YouTube video of their equipment in action!

Toms Hardware France

tomshardware.fr – Toms Hardware France, a major hardware testing site in Europe

Original French: (See Slide 13) “Grâce à cette technique ultime de prise de photo signée BlurBusters, on peut l’affirmer clairement : autant les 144 ou 165 Hz n’apportent pas grand chose face au 120 Hz, autant le 240 Hz apporte un gain de netteté vraiment appréciable et visible par rapport au 120 Hz, surtout quand la dalle est assez rapide pour n’afficher aucun ghosting. Visuellement, c’est presque parfait, et ça nous fait même envier les futurs écrans à 480, voir 960 Hz, pour nous faire définitivement oublier le CRT !”
Google Translate English: “Thanks to BlurBusters’ ultimate photo-taking technique, it can be clearly stated: the 144 or 165 Hz do not bring much compared to 120 Hz, the 240 Hz brings a gain of sharpness really appreciable and visible by compared to 120 Hz, especially when the slab is fast enough to show no ghosting . Visually, it’s almost perfect, and it makes us even envy the future screens at 480, see 960 Hz, to make us forget the CRT!”

LinusTechTips

Linus Tech Tips used the pursuit camera extensively to compare motion blur of multiple gaming monitors in a July 2019 video (1min:25sec into video):

Measuring pixel response time/ motion blur with a pursuit camera. pic.twitter.com/YFrqlCW6Pd

PC Monitors

pcmonitors.info — A website run by Adam Simmons who tests computer monitors:

TFT Central

TFTcentral.co.uk — A display review site in U.K.
“We used the Blurbusters.com Ghosting Motion Test which is designed to be used with pursuit camera setups. The pursuit camera method is explained at Blurbusters as well as covered in this research paper. We carried out the tests at various refresh rates, with and without ULMB enabled. These UFO objects were moving horizontally at 960 pixels per second, at a frame rate matching refresh rate of the monitor.”

HDTV Test

HDTVtest.co.uk – Display testing website in UK:

Hardware Unboxed

Their excellent YouTube channel tests using the pursuit camera on various gaming monitors in the motion-blur testing section of YouTube videos about gaming monitors.

TechPrn (Phillipines)

www.techporn.ph — A tech review site in Phillipines.
“Setting up a pursuit camera courtesy of Blur Busters allows us to a great extent, perceive the actual motion blur of the display. Using such method also allows us to check out for other motion artifacts including ghosting, inverse ghosting and other artifacts. My current hand-driven camera rail setup for this method provides excellent results, but it is far from perfect. This pursuit camera test is a peer-reviewed invention.”

HDTV Poland

www.hdtv.pl — large review site in Poland.
Original Polish: “Metoda śledzenia obrazu kamerą była już od dłuższego czasu stosowana w przemyśle. Ceny sprzętu oscylowały jednak w okolicach 30 000$ za dedykowane systemy, co było raczej barierą nie do przeskoczenia. Jakiś czas temu pewien inżynier – Mark Rejhon z serwisu BlurBusters.com – opracował jednak metodę „ręczną” wymagającą trochę mniejszej inwestycji, ale i większej cierpliwości przy wykonywaniu pomiarów Obiekt testowy dostępny jest bezpłatnie na stronie TestUfo.com Kluczem do sukcesu było zaprojektowanie specjalnej ścieżki synchronizacyjnej, która pozwala ocenić, czy dane zdjęcie zostało zrobione z odpowiednią prędkością poziomą i pionową. Robiąc zdjęcia używamy bowiem ekspozycji 1/15 sekundy przy 60Hz lub 1/30 przy 120Hz. Nakładamy więc na siebie cztery klatki obrazu i każda z nich musi być w tym samym miejscu względem obiektywu!”
Google Translate English: “The method of tracking video camera was for a long time used in the industry. However, hardware prices oscillated around the $ 30 000 for dedicated systems, which was rather a barrier insurmountable. Some time ago an engineer – Mark Rejhon the service BlurBusters.com – but developed a method “manual” requires a little less investment, but more patience while measuring object test is available free of charge at TestUfo.com key to success was to design a special path synchronization that allows you to assess whether the photo was taken with appropriate speed horizontal and vertical. Taking pictures using exposure for 1/15 second at 60Hz or 120Hz at 1/30. So we put on ourselves four frames of image and each of them must be in the same place relative to the lens!”

SweClockers

Sweclockers.com — large hardware testing site in Sweden.
Original Swedish: “SweClockers använder testufot hos Blurbusters för att med en så kallad chase camera monterad på skena följa rörelsen över skärmens yta. Detta ger inga siffror eller liknande men är ett bra sätt att dokumentera hur eftersläpen ser ut.”
Google Translate English: “SweClockers uses TestUFO of Blurbusters to a so-called chase camera mounted on rails to follow the movement of the screen surface. This gives no figures or the like, but is a good way to document how motion blur looks.”

Lim’s Cave

Lim’s Cave — A german vlogger site that tests monitors (English | German)
“Mark Rejhon of Blur Busters, who has invented the motion blur photography technique, gives me as a reviewer the opportunity to capture perfect photos for my gaming monitor reviews with his pursuit camera technique.”
“With this awesome tool, you are able to evaluate a specific panel type or even a particular monitor model regarding different test photos.”

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