OptoFidelity Video Multimeter xR performance measurement system


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VR Multimeter 1DOF Solution

 

虛擬實境是目前最熱門的科技產品,在VR/AR/MR的裝置上,播放品質更是影響使用者感官體驗的重要因素,劣質的播放性能甚至可能導致頭暈和噁心,例如使用者與VR互動時畫面顯示不夠即時,很容易造成使用者暈眩等等。

OptoFidelity Video Multimeter xR performance measurement system是以真實的使用者角度測試VR/AR/MR裝置的播放性能,所有測試均為非侵入性,透過專業量測您可以客觀分析播放的品質,例如Motion-to-Photon Latency、Pixel Persistence、Frames jitter、lip sync(影音同步)…等等影響VR性能因素的指標,是您在產品研發最完美的驗證工具,讓您有最精確的參考依據,去比較或改善產品的播放性能,加快了產品研發設計驗證的時間,輕鬆的看出各個產品的差異性,分析實驗競爭對手的產品。Video Multimerter xR performance measurement system搭載了高速攝影機單元與頭部旋轉單元,真實模擬了使用者與VR裝置互動時的影像變化與感受,透過光學特徵與馬達Encoder的回授將進一步分析VR裝置的Motion-to-Photon Latency與Pixel Persistence,將使用者使用VR裝置時的感受量化,您可以完全地保存測量結果並下載到您的電腦,將所有數據傳輸到自己的測試軟體和數據庫進行完整分析,幫助您的產品有更好的用戶體驗。

應用領域:
  -VR性能(VR performance)
  -影音同步性(Lip sync)
  -畫面撕裂(Display tearing)
  -360影片播放性能(360-Video play back performance)
  -測試指標工具


VR性能指標包含下列測試項目:
  -Motion-to-Photon Latency
  -Pixel Persistence
  -Frame Jerkiness
  -Dropped/Duplicated frames
  -Audio/Video Synchronization(影音同步)
  -Left versus Right eye Frame delay
  -Motion Blur


Video Multimerter xR產品優勢:
  -測試數據立即顯示在Video Multimerter xR
  -可重複且可靠的測試數據
  -支援所有典型顯示技術,如:LCD、OLED、Low Persistence
  -Window/Linux用戶透過API控制Video Multimerter xR,以達到自動測試之功能
  -所有測試方案均為非侵入性

選配(Options):
  -lip sync (A/V synchronization measurement) 
  -Motion Blur
  -Perforated mounting plates
  -Generic DUT holder
  -Control API
  -Motorized rotation and tilt stages with computer control 
  -Left versus right eye frame delay with dual fibers 


VR Multimeter 6DOF Solution

 


VR Multimeter 6DOF是綜合性能測試平台,適用於各式各樣的VR, AR, MR頭戴式裝置。OptoFidelity專有的機器人測試平台,實現完美的準確性與重複性。尺寸和功能完全依據客戶的需求量身定做。 
透過OptoFidelity特有的OptoMotion機器人控制器,讓系統架構更簡單且具有成本效益。OptoDrive非常的智能,不需要單獨的控制器,能夠自動同步處理應用程式的軟體和控制器的韌體。歸零功能在不裝配傳感器或限位開關的情況下也能夠實現。
光學測量部分採用VR Multimeter,可用於目前市面上所有的HMD裝置,並以簡單的方式直接進行測量。可支持所有現在和未來的顯示器投影類型。 
同步機器人可以從6個軸到14個軸,從而對HMD和控制器進行擬人的測試。整個系統的大小可以根據客戶的需求量身定制,能夠從table-size到full room-scale系統,甚至能夠建立多人遊戲系統。


VR Multimeter 6DOF系統架構:


 1. Artificial head with Optical flow cameras and High-speed tristimulus sensors
 2. Host computer
 3. OptoMotion controller
 4. Data acquisition and system-wide synchronisation module
 5. Movement stages (cartesian & gimbal)

基本規格

TECHNICAL SPECIFICATIONS 技術規格:

 

Optical flow timing accuracy:

1 ms

Maximum display framerate of DUT

120 FPS

Optical flow image resolution

30x30

Optical flow spot size (typical)

10x10 mm, 0.4x0.4 in

Rotation encoder accuracy

 0.01° (16bit absolute encoder)

Spectral timing resolution

0.01 ms

Rotation increment granularity

0.3°

Rotation min/max speed

30 – 300 deg/s with data acquisition, 0 - 500 deg/s without

Rotation max acceleration

1500 deg/s^2 with data acquisition, 2500 deg/ s^2 without

Device display size (Display VR)

4.5 to 6 in

Device HMD size (Desktop VR):

Suitable for all HMDs

External dimensions

VR Multimeter

12x8x3 cm,

 4.7 x 3.1 x 1.2 in

VR Rotator dimensions

W x L x H

250*300*500 mm (Rotator) 250*250*65 mm (Power unit)

Operating temperature range

 -10 C to +40 C

14 F to 104 F

Storage temperature range

-20 C to +60 C

-4 F to 140 F

Internal memory

4 GB

Battery (VR Multimeter)

Li-Ion Panasonic PA-L2, 1950 mAh, 7 Wh

Operating time on battery

6 hours

Operating current

300 mA

Spectral sensor bandwidth

4 kHz

 

VR Multimeter 6DOF技術規格

TECHNICAL SPECIFICATIONS 技術規格:

 

OptoMotion controller:

Number of axis

1-7 per controller, Max 2pcs (can be daisy-chained up to 14 axis)

Control interface

LAN/TCP-IP

Input supply voltage

150 - 230 VAC

Supported motors

AC, BLDC, DC, Linear, Stepper

Supported encoders

Incremental encoders, SinCos encoder (16, 64 and 256X interpolation)

Motor size

5 – 500 W

Safety

Category 4, PL e, (EN ISO 13849-1), SILCL 3 (EN 62061) stop function

OptoMotion stages:

Supported stages:

Linear, Ballscrew, Belt-driven

Scaleability (robotics):

Number of stages:

6..14 DOF, synchronised between each other, from desktop to room size

Scaleability (sensor link):

Universal data bus, capable of transferring max 400 Mbit/s

Reservation for fiber optic link between the robot frame and artificial head

Vision Performance:

Optical flow sensor:

188x120 pixels @400Hz fast mode, 752x480 pixels still mode

Tristimulus sensor:

Point type, CIE1931, 100kHz

FOV:

TBD, at least 20mm horizontal

1-2 Vision Modules per head

Robotic Performance:

Max Speed/Acceleration of X-axis:

500mm/s / TBD

Max Speed/Acceleration of Y-axis:

500mm/s / TBD

Max Speed/Acceleration of Z-axis:

200mm/s / TBD

Max Speed/Acceleration of Roll:

90 dgr/s / TBD

Max Speed/Acceleration of Pitch:

110 dgr/s / TBD

Max Speed/Acceleration of Yaw:

0.5 rev/s / TBD

Max Speed/Acceleration of Typical interpolated path (combined X-move + Roll):

2000 mm/s / TBD

Tooltip Position & Distance error:

>0.1mm (calibrated)

Temporal Performance of Data Acquisition system:

Covering both physical location and optical metrology System-wide Synchronisation accuracy:

0.1 ms

Gimbal Reach (example system):

Roll:

+/- 35 dgrs (side tilt)

Pitch:

+90, -45 dgrs (nodding, 90 forward, 45 backward)

Yaw:

+/- 360 dgrs (head rotation)

Cartesian Work Area (example system):

Movement stages (x/y):

400mm/600mm

Environment for tracking test: Base plate with threading enables attachement Additional movement stages can also be used to control the external objects location

Test content/instrumentation:

l   Unity/Steam applications

l   Android, iOS applications

l   Content typically contains some tracking targets, QR-codes, colors, synchronised audio etc.

l   Typically customised per test case

API's:

Movement API:

OptoFidelity Move and Measure software with Positioning tool, Scripting tool. Access to timestamped location data.

Vision API:

Access to timestamped raw images, processed image metadata

Robot cell features and dimensions (example system):

Test Cell dimensions (W/H/L, mm):

1270/2300/1500

Weight:

500kg

Inlet for additional cabling:

MIL-SPEC connector, six lines.

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應用於評估觸控功能程式的反應效能及功能性測試,並可作為觸控式3C產品自動化產品功能性檢驗測試設備
觸控面板及驅動IC晶片製造產業
應用於觸控面板功能及可靠度測試,可提供各種觸控手勢條件及定量時間反應效能,能控制觸控測試條件的一致性,可有效評估觸控面板反應效能及功能性測試

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