画像評価ソリューション｜京立電機株式会社

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画像評価ソリューション

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画像評価ソリューション

D×O Analyzer

卓越した画質評価ソリューションです。
全世界で画質評価、競合製品のベンチマーキングに実績のあるシステムです。あらゆるデジタル撮像装置の画像処理性能を正確に測定する方法を提供しています。カメラ・モジュールやコンポーネントのイメージング・パフォーマンスを正確に診断します。幅広くしかも一貫した画像評価を提供しています。生産や研究開発の効率を向上させ、コストを抑えることが出来ます。

DxO Analyzerは
あらゆる分野の画質評価が
可能です。

Aerospace, Automotive,
Consumer Photo & Video, Defense,Drones,
Medical, Smartphones,
Surveillance, etc.

テストラボ環境

テスト機材、オプション

DxO Analyzer maximizing test results with fewest test charts

DxO Dead-Leaves chart

-IEEE-CPIQ compliant

Texture preservation measurement
Texture and edge acutance

DxO DOT chart

-IEEE-CPIQ compliant

DOT pattern（ ensure high robustness to noise）
High productivity field-wide optical aberration measurements: shading, sharpness, LCA, distortion, focal length in one shot

DxO HDR chart

-ISO 12232 compliant

1/1,000,000（120dB）dynamic range transmission chart
HDR, OECF, dynamic and tonal range, tone curve, noise analysis
Perfectly uniform（no film grain → defocusing not required）

DxO MTF chart

Large grid of slanted-edge patterns to provide across the field MTF map
MTF, astigmatism, longitudinal chromatic aberrations, ringing in one shot
MTF calibrated from chart resolution

DxO Color Fringing chart

-ISO 12232 compliant

Transmission chart with square pattern positioned on a uniform light table to measure color fringing

DxO Radial MTF chart

-IEEE-CPIQ & ISO 12233 compliant

Delivers radial sagittal & tangential MTFs at different positions
MTF calibrated from chart resolution
Low contrast chart

DxO LED Universal Timer

-Comply with next revision of ISO 15781

Active“ chart”: 5 computer controlled LED arrays
Exposure time, ERS, frame rate, time lags with automated capture for touchscreen-camera

ColorChecker with DxO frame

White balance, color fidelity and color sensitivity（ from RAW data）
Chart framed for automatic detection in all scenes

DxO Analyzer measurements,video & still, RAW & Mpeg/Jpeg

Optics Module
MTF (H6&V) • High contrast • Limiting resolution • Astingmatism, Ringing
MTF (radial) IEEE-CPIQ ISO12233 • Low contrast • Acutance
Fisheye MTF • Field of view up to 190° • Up to 81 data points
Color fringing
Shaping: luma & color (IEEE-CPIQ)
Lateral chromatic aberrations Distortion (IEEE-CPIQ)
Effective focal length
Flash • Uniformity and White balance

Photo Module
Texture & acutance • Edge and texture • MTF, CSF and acutance
Noise and contrast • HDR/DR up to 120dB • SNR • Grain and structure • Dynamic and tonal range
Dark signal
Tone curve
Row / Column Noise
Dead / hot pixels (RAW)
ISO Sensitivity（ ISO 12232）
Color Sensitivity
Color • Color fidelity • White balance accuracy

Video & Stabilization Module
Photo stabilization • CIPA protocol (gain in stops) • Motion blur (directional)
Video stabilization • Residual motion • Translation, Rotation • ERS deformation • Motion blur
Optional shaking platform
Video on uniform chart • Spatial noise (Row and column, dead/hot pixels) • Temporal noise • AE & AWB stability
Video on textured chart • Texture and edge acutance stability • Zoom stability • AE & AWB stability

Autofocus & Timing Module
Autofocus measurement • AF Speed • AF accuracy • AF repeatability
Video & Photo timing measurement • ERS characterization • Frame-rate, missing frames, vertical blanking • Shutter release and shooting time lags • Exposure time

Dual-cam & 3D Module
• Camera pose (3 rotations & 3 translations) • Focal points, focal lengths • Distortion curves (w/ polynomial model coefficients)

DxO Analyzer Lab System III reflective chart setup

DxO Automated Lighting System

● multi-illuminant（ Tungsten + 3 fluorescents）
● dimmable w/ illuminance feedback loop
● computer controlled

Illuminant	Source	Min luminance(lux)	Max Luminance(lux)	Uniformity on a 120×80cm target
A3000K	Tungsten	20	1,000	7% at 700 lux
A2850K	Tungsten	10	700	7% at 500 lux
H2300K	Tungsten	1	400	7% at 40 lux
D65	Fluorescent T5 tube	10	1,000	15%
TL84	Fluorescent T5 tube	10	1,000	15%
TL83	Fluorescent T5 tube	10	1,000	15%