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Motion and HDR Real-Scene Test Light Box
Lamps

Motion and HDR Real-Scene Test Light Box

Supplier
Yanding
Category
Lamps
Origin
China

MLB-LHM is a real-scene image-quality lightbox for subjective white-balance,video dynamic-blur and other assessments. Fixed props with varied colors/textures support accurate visual comparison where2D charts cannot fully represent real scenes. Adjustable top lighting varies color temperature/illuminance. Two transmissive HDR lightboxes work with charts for high-contrast and Flicker scenes. A left/right moving dead-leaves chart and360° turntable test motion artifacts and photo/video blur. Combining lighting,HDR boxes and motion expands test coverage/efficiency. Props:24-color,eight-trigram and dead-leaves charts; photo frame and four-person headshot chart; pen holder,steel ruler and black steel ruler; crayons,colored pens,binder clips,thumbtacks and magnetic buttons; shuttlecock,red/green/blue yarn and hemp rope; small license plate,wood blocks,roses and sunflowers; sponge and paintbrush; cola,wine bottle and artificial grass; teddy figure and greaseproof paper; black velvet,blue/white checked cloth and gray tablecloth; plate,knife,fork,spoon and chocolate box; scenery background; randomly supplied artificial fruit and bamboo basket.

Specification Snapshot
Voltage Input [MLB-LHM]
220 V
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Overview

MLB-LHM is a real-scene image-quality lightbox for subjective white-balance,video dynamic-blur and other assessments. Fixed props with varied colors/textures support accurate visual comparison where2D charts cannot fully represent real scenes. Adjustable top lighting varies color temperature/illuminance. Two transmissive HDR lightboxes work with charts for high-contrast and Flicker scenes. A left/right moving dead-leaves chart and360° turntable test motion artifacts and photo/video blur. Combining lighting,HDR boxes and motion expands test coverage/efficiency. Props:24-color,eight-trigram and dead-leaves charts; photo frame and four-person headshot chart; pen holder,steel ruler and black steel ruler; crayons,colored pens,binder clips,thumbtacks and magnetic buttons; shuttlecock,red/green/blue yarn and hemp rope; small license plate,wood blocks,roses and sunflowers; sponge and paintbrush; cola,wine bottle and artificial grass; teddy figure and greaseproof paper; black velvet,blue/white checked cloth and gray tablecloth; plate,knife,fork,spoon and chocolate box; scenery background; randomly supplied artificial fruit and bamboo basket.

Specifications

ParameterValue
Main external dimensions [MLB-LHM]1900 mm × 1158 mm × 2380 mm
Lighten face to desktop distance [MLB-LHM]900 mm
Background card dimensions [MLB-LHM]763×453+763×850
Voltage Input [MLB-LHM]220 V
Control Method [MLB-LHM]API interface
Top Light Source - Visible Light Temperature [±5%；MLB-LHM]2300K-10000K(±5%)
Top light source - Near infrared wavelength [MLB-LHM]850nm/940nm
Top light source - Visible light range [Bottom of lightbox; MLB-LHM]1-10000lux (bottom of lightbox)
Top light source - near infrared range [Bottom of lightbox; MLB-LHM]350uw/cm² (at the bottom of the lightbox)
Top Light Source - Visible Index [MLB-LHM]Between 91 and 97
HDR Light Source - Photo-Face Size [single stations; MLB-LHM]290×224mm (per unit)
HDR Light Source - Light Type [Two units,upper and lower; MLB-LHM]LED, two up and down.
HDR Light Source - Photometric [10000 steps adjustable; MLB-LHM]30~150000lux (10000 adjustable levels)
HDR Light Source - Colour Temperature [±5%；MLB-LHM]5100K±5%
HDR light source - visible index [MLB-LHM]94 or more
HDR light source - Flikker frequency [Zenbo (1Hz step reconciliation); MLB-LHM]1-1000 Hz square wave (1Hz step reconciliation)
HDR light source - number of slots [MLB-LHM]Can insert two cards in rows
HDR light source - insert card sizes [MLB-LHM]360 mm × 280 mm × 4.6 mm
HDR light source - ratio of space [adjustable;MLB-LHM]1 ~99% truncable
Move around the dead leaf. [MLB-LHM]3 m/s
Rotate the wheel [MLB-LHM]360 rpm

Applications

Video dynamical blur and motion perjury analysis HDR imaging performance verification, white balance of camera/cell phone, color reduction test

Key Features

Identical internal scene props enable accurate subjective visual comparisons between laboratories. Optional HDR modules with selectable transmissive charts support high-contrast testing. Optional moving targets enable artifact testing at different speeds. Integrated Windows GUI/API software provides convenient operation. The overhead source adjusts color temperature over 2300K-10000K and brightness over 1-10000lux. Dual HDR transmissive lightboxes provide 30~150000lux with 10000 adjustment levels and support Flicker testing. GUI/API control includes timing templates and one-click operation. Shared props support cross-laboratory comparison; optional HDR and moving-chart modules enable high-contrast and motion-artifact tests. An adjustable-speed rotary stage tests motion blur. The highly integrated system provides straightforward Windows GUI and API operation.

Datasheet

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Supplier Information

Ya
Yanding
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Yanding, as a nationally recognized high-tech enterprise, has always been driven by technological innovation and deeply engaged in the fields of testing equipment and image quality. The company is headquartered in Zhangjiang Qingpu Park, with its core office base located in Shanghai Zhangjiang Science City, an innovation highland. It has also established R&D and operation centers in Shenzhen, Beijing, and South Korea, building a global technology R&D and service network to efficiently respond to domestic and international customer needs. For many years, Yanding has focused on technological breakthroughs in the field of image quality. Its main business covers the full-chain R&D, design, manufacturing, and sales of high-precision instruments, high-end mass production equipment, image analysis algorithms, and industrial software. Relying on more than ten years of deep accumulation in core technology fields such as ultra-complex hardware boards and platform-level industrial software, the company has formed full-stack self-research and delivery capabilities from high-precision optical instruments, image quality analysis and calibration algorithms, to motion control software, optical lenses, image acquisition boards, image test charts, and mass production testing equipment, providing customers with end-to-end solutions. The founding team and core members bring together senior technical management talents from well-known domestic and overseas enterprises, with an average of over 20 years of frontline R&D and operation management experience, and a deep understanding of international cutting-edge technology paths and industry trends. The company has assembled an R&D team composed of talents from famous domestic and overseas universities, highly skilled and continuously pursuing innovation. As of the end of 2024, the company has more than 170 employees, with R&D and technical personnel accounting for over 60%, injecting strong momentum into continuous technological breakthroughs and global market expansion.

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