Journal: Nature Communications

Article Title: Underwater microscopy for in situ studies of benthic ecosystems

doi: 10.1038/ncomms12093

Figure Lengend Snippet: ( a ) Imaging unit internal components including illumination ring, optical lenses, CCD camera and electronic circuit board with micro-controller. ( b ) Control unit internal components including user interface with live LCD display and buttons for diver control, single-board computer and battery bank. ( c ) In situ underwater operation of the BUM by a scientific diver. ( d ) Close up of the BUM imaging a coral colony in situ , the BUM maintains a distance >65 mm from the specimen during imaging. ( a , b , d ) Scale bars, 50 mm.

Article Snippet: Images are recorded by a machine vision Prosilica GC2450 colour CCD camera (12 bit dynamic range, 2,448 × 2,050 pixels, 3.45 μm pixel pitch, maximum frame rate of 15 fps at full resolution, global shutter).

Techniques: Imaging, Control, Battery, In Situ

Journal: Scientific Reports

Article Title: Validation of machine vision and action sport cameras for 3D motion analysis model reconstruction

doi: 10.1038/s41598-023-46937-9

Figure Lengend Snippet: Angular displacement bias between the reference system and the experimental systems. ASC-1 (3 GoPro 5 s + 1 GoPro 4), ASC-2 (3 GoPro 5 s + 1 GoPro 9), ASC-3 (3 GoPro 5 s), MV-4 (Sentech USB 3.0). static (frame calibration) and dynamic (wand calibration).

Article Snippet: The motion capture system (Innovision Systems, Inc., USA) capable of using infrared or optical cameras consisted of four Sentech USB 3.0 machine vision (MV-4) monochrome cameras with infrared lights attached to illuminate the markers (Omron Sentech Co., USA).

Techniques: