MAPIR offers our durable Diffuse Reflectance Standard Calibration Target Package (T3-R125), which contains4 reference standard targets of known reflectance. Diffuse and total reflectance percent measurements from 250-2500nm were made using multipleShimadzu spectrophotometers incorporating an integrating sphere. The lambertianreflectance panelscan becapturedfrom any angle thanks tosimilardiffuse and total reflection properties, though capturing straight-on is recommended. Our computer vision software automatically finds the QR symbol in the target images and calculates the pixel to reflectancerelationship using the known target material reflectance (data download here).

The reflectance targets arecomposed of a felt-likesheet materialadheredto a plastic substrate. Care should be taken to ensure the targets aredebris-free to produce the best calibration results, often a puff of air is all that is needed to clean them. The target’s housing is made of durablepolypropyleneplastic and the QR fiducial pattern material is a UV durable, laminated label.

The outer case of the T3-R125 is impact resistant, crushproof, dustproof and IP67 waterproof (IP67 rating = waterproof to a depth of 1 meter for 30 minutes when closed). The built-in handle is easy to grip, rotates and is flexible. Both of the large hinged clasps close the case securely with a twist, and there are 2 additional keys included to lock it. A large center hole between the handle also allows an additional padlock to be used (not included).

To use the target, simply capture a photo of the entire open package, makingsure the QR side andthe 4 target side are visible. Try to make sure no harsh/dark shadows intrude on the white outer perimeter of the QR label, rotating the target as needed. Full capturing tutorial here.

Using our Control (MCC)or MAPIR Cloud software you can provide photos of this target package and the QR fiducial pattern should be automatically detected, regardless of 3D pose. The pixel values from the targets will be measured and calibration formulas will be calculated.The reflectance calibration will then be applied to the remainder of your images until a new target image is found (depends on MCC recalibration setting value). An unlimited number of target images can be used to correct your images for reflectance over time and across various lighting environments (i.e. cloudy days).Using the Analyze tab in MCC you can calculate the raster/index images (for example NDVI)and then apply a color map (LUT).

Automatic Target Pixel SamplingAt Any Angle

Specifications:

Total Closed Dimensions: 12.2″ x 15.1″ x 2.8″ (30.99 x 38.35 x 7.11 cm)

Total Open Dimensions: 23.75″ x 15.1″ x 1.8″ (60.33 x 38.35 x 4.60 cm)

Each Target: 5.0″ x 5.0″ (125 x125 mm)

Weight:4.0 lbs (1.80 kg)

Buoyancy: 9 lbs

Weight Capacity: 15 lbs

100% MADE IN THE USA

IP67 Waterproof

Impact resistant

Compliant with airline ATA-300 specifications

Automatic pressure equalization system

UPC:00815120028885

Included:

(1) Diffuse Reflectance Standard Calibration Target Package (T3-R125), containing 4 measured reflectance standard targets and an identification QR label

(2) Plastic locking keys

Click HERE For Instructions On Using This Target During Your Image Capturing

Click HERE For the Full Post-Processing Calibration Workflow

Download Excel Scan Data For T3 Reflectance Targets