3D & Spectral Imaging
3DSCANNER 1000 FOR 3D SCANNING
INTRODUCTION
Thanks to the long experience in laser systems, DV has developed two products for 3D and spectral scanning of textured and micro-structured surfaces. The main features of 3D scanners are the accuracy and speed. In the spectral scanner the accuracy of the absolute colorimetric value it is what distinguishes it from conventional scanners. The advanced level of software applications allows a rapid and high-resolution scanning of large areas on different types of materials such as wood, textile, natural stone, skin and wallpaper.
The acquired data is available in two formats:
The first is a grayscale TIFF image where each gray level corresponds to a certain height or depth of the object; the second format is the so-called “cloud of points” in which the object is mapped in a three-dimensional referenced system. These files can be processed by traditional graphics software or can be used directly into the engraving machine to reproduce the information on a cylinder or another support.
The data acquired by the spectra scanner are exported and used by other applications such as for profiling of printing processes.
HARDWARE
Scanner Features:
SENSOR MODULE:
- Incoherent light source, 5mW white, red or green.
- High speed acquisition scan.
- Selectable X,Y resolution 2500, 1250, 625 dpi.
- GigaEthernet data link.
- Fine adjustment of source and sensor position.
MECHANICS:
- XY stepper motor movimentation: solution=0.002mm Vmax=150mm/s.
- Acquisition head excursion on Z axis: 150mm. (Optional motorized Z axis).
- Serial interface for remote PC control.
- Dimensions and weight (1000×1000 version): 44x1670xH 1560mm 800Kg.
- Area for scanning: 400x400mm, 1000x1000mm, 2000x1000mm.
SPECTRAL VERSION:
- White reference holder height adjustable.
- d/0 or 45/0 illumination.
- Single point acquisition sensor available for ultra high precision measure.
SOFTWARE
3D Software Features:
- Scan parameters control.
- Selectable resolution.
- Double sensor management.
Flat surface and rolling scanner support. - 3 axes motion control (X,Y,Z).
- 2D gray scale image reconstruction,8 and 16bit.
- 3D Image reconstruction with fast zoom.
- Image filtering.
- Advanced image stitching and interleaving for high resolution acquisition.
- DATA export on TIFF file or cloud of point file.
- Measuring tool.
Spectral Scanner Software Features:
- Elaboration and storage of spectral data.
- 2D image representation.
- Reflectance calculation.
- Calculation of colour coordinates and colour differences.
- Data and results exportation.
Other Software tool:
- Image Layer Creator: Interactive 3D data slicing for multi layer creation.
- Pattern replicator: Create a pattern endlessly replicable.
- Image 3D creator: 3D effect from a black and white TIFF.
APPLICATIONS
TEXTILE
LEATHER
STONE
WALLPAPER
WOOD
TEXTILE
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LEATHER
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STONE
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WALLPAPER
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WOOD
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SPECTRAL SCANNER
The Spectral Scanner, produced on an original project of DV s.r.l., is an instrument to acquire with extreme simplicity the spectral distribution of the different wavelengths (spectral composition) of every single point of the inspected object. This represents a great advantage compared to traditional spectrophotometers which can perform the spectral analysis of only a single point at a time, or integrate the radiation from a whole area, losing the punctual localised information of the area.
The scanner is a useful tool for laboratories that industrial line for quality control and research of new techniques for improving production. The fields of application are in the printing industry, tile and wood industry, food, recycling, biology.
Characteristics
MECHANICS
DV ACQUISITION SCANNER1
COD. MEC 3D PIANOS1-3D scanner mechanical system for flat surface sample 1000mmX1000m area
- Two stepper motor movimentation:
X (camera axis) : L=1000mmmm resolution=0.02mm Vmax=150mm/s
Y (plate axis) : L=1000mm resolution=0.002mm Vmax=100mm/s - Light source: Cooled halogen lamp with stabilized power source
(45±10° / 0° reflectance measurement geometry). - Serial interface for remote PC control.
- Dimensions and weight : 1944x1670xH 1560mm 800Kg.
- Area for scanning: 1000x1040mm
(40 mm reserved to white reference tile). - Spectrometer excursion on Z motorized axis: 150mm.
- White reference holder height adjustable.
ILLUMINATION CONFIGURATION
DV DOUBLE ILLUMINATION SOURCE 45°/0° VISIBLE RANGE
COD. ILL3DS45X2VIS1
- 45°/0° X2 illumination and viewing conditions.
- Adjustable height and distance.
- 50W X2 cooled halogen lamps.
- Stabilized power source.
APPLICATIONS
COLOUR ANALYSIS AND PROCESSING
FOOD ANALYSIS
RECYCLING
BIOLOGY MEDICAL
RESTORATION
COLOUR ANALYSIS AND PROCESSING
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FOOD ANALYSIS
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RECYCLING
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BIOLOGY MEDICAL
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RESTORATION
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DV HIPERSPECTRAL CAMERA ENHANCED
COD. SPCDVVISE2300
Characteristics:
Sensor
Resolution: horizontal/vertical 2330 pixels x 1750 pixels
Pixel Size: horizontal/vertical 5.5 μm x 5.5 μm
Frame Rate: 26 fps
Interface: Gigabit Ethernet
Video Output Format: Mono 8, Mono 12, Mono 12 Packed
Pixel Bit Depth: 12 bits
Synchronization: external trigger, free-run, Ethernet connection
Exposure Control: programmable via the camera API, ext.
trigger signal
Housing Size & Weight: 40.7 x 62 x 62mm, 300g
Housing Temperature: 0 °C – 50 °C
Lens Mount: C-mount
Digital Input: 2
Digital Output: 4
Power Requirements: 12 VDC 6W
Sensor: Kodak KAI-4050 Progressive Scan CCD, global shutter, 1 inch CCD 12.85 mm x 9.64 mm
Imaging spectrometer
Spectral Range: 400-1000nm
Spectral resolution: 2.0nm
Input slit: 18μm x 14.2mm
Spectral Image dimension: spectral 6.15 mm
spatial 14.2 mm
Numerical aperture: F/2.4
Dimension: max 60 x 60 x 175 mm
Weight: 1100g
Body: Anodized alluminium
Mount type: ”C” mount
Environmental conditions: +5° / +40° not condensing
SPECTRAL SCANNER SOFTWARE
SpectralScanner© is a spectral imaging software that captures the spectral composition of each point of the sample using a line spectrometer. The Software controls a mechanical device which moves the optical system and captures a series of two-dimensional frames. By interpreting each of these as an array of spectra, point by point, the Software reconstructs an entire image on the screen line by line, making available all the spectral data which are displayed numerically and in graphical form on a chart, through Lab* coordinates and diagram and in the Munsell colors pace.
Reflectance, transmittance, absorbance
Many spectral imaging applications, like color measurement, require to determinate the absolute reflectance of the sample; Spectral Scanner calculates reflectance for every acquired pixel, evaluating the acquired signal ratio with a white reference sample. The mouse movement on the rendered image gives access to the spectral profiles of the selected pixels, instantly evaluates the colorimetric parameters and with one click lets you immediately save the data in various formats. Software filters allow narrow band analysis of the images. In the same way Spectral Scanner can render an image in transmittance mode for applications that require it.
Color differences and equalities
Spectral Scanner performs absolute and relative color measurements using the CIE Lab* standard colorimetric coordinates. Lab* data can be calculated in different modes: they depend mainly on an Observer curve and an Illuminant curve. Different curves are included in the Software, and can be loaded. Such parameters and the ΔE can be evaluated for the single pixel, for a selectable part of the image or for the whole image, making Spectral Scanner very versatile for color difference calculation.
Single wavelength selection
Spectral Scanner allows the selection of single bands with defined wavelengths and the visualization to screen of the rendered filtered images.
Data exportation
All the spectral reflectance data and colorimetric calculated values can be quickly exported for further elaborations with other mathematical applications and tools…
Advanced analysis tools
Many spectral imaging applications, like color measurement, require to determinate the absolute reflectance of the sample; Spectral Scanner calculates reflectance for every acquired pixel, evaluating the acquired signal ratio with a white reference sample. The mouse movement on the rendered image gives access to the spectral profiles of the selected pixels, instantly evaluates the colorimetric parameters and with one click lets you immediately save the data in various formats. Software filters allow narrow band analysis of the images. In the same way Spectral Scanner can render an image in transmittance mode for applications that require it.
Contact us if you want to know more about DV 3D & Spectral Imaging.