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  11. HySpex Baldur

HySpex Baldur Hyperspectral Imagers

High Performance Hyperspectral Imagers for Industrial Applications

The HySpex Baldur hyperspectral camera family from NEO are rugged, high performance push-broom spectral imagers optimised for industrial use in the VNIR from 400-1000nm (V-1024 N), in the SWIR from 950-1730nm (S-640i N) and in the SWIR from 960-2500nm (S-384 N). Named after the Norse God, Baldur has been designed by NEO for those who require high performance at a more accessible price point.

Baldur utilises the same robust optical system as the HySpex Classic design, but with some optimisation for process spectroscopy. To denote that the Baldur cameras have a wider PSF per pixel and band compared to the Classic cameras, NEO appends the suffix ‘N’ (standing for “Nyquist”, named after the electronics engineer Harry Nyquist) to the model name. Each Baldur imager achieves a resolution of 2 spectral bands while capturing 4 times as much light as the classic systems. Furthermore, the spatial resolution is better than 1.7 pixels for all Baldur models, yielding very sharp images, albeit not to the extremes of the HySpex Classic and Mjolnir cameras.

The Breeze HySpex Recorder software is provided free of charge with the HySpex cameras Breeze HySpex Recorder – Prediktera. It also comes with a 30-day free trial of the full Breeze software so customers can explore the broader analysis features within the full package.

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Baldur Benefits
  • Flexibility: all Baldur cameras support multiple regions of interest (MOI).
  • Triggering: Baldur can be triggered internally, and all cameras support multiple external triggers.
  • Speed: the cameras operate in an “Integrate While Read” (IWR) mode. Baldur has one of the very highest data rates of any spectral imager, with the speed scaling with the number of spectral channels read out.
  • Absolute calibration: Baldur is delivered with a calibration traceable to NIST and PTB standards.
  • Repeatability: all cameras have the same center wavelengths within the same wavelength range.
  • Robust: the Baldur is based upon a well proven and robust design.
  • Light sensitivity: high speed image acquisition with a light sensitivity four times higher than the HySpex Classic.
  • SDK: all HySpex cameras (Baldur, Classic and Mjolnir) are delivered with a high-end SDK and library that makes it simple to integrate the HySpex hardware into any third-party software and hardware solution.
  • Ease of deployment: Baldur is a fully integrated hardware and software solution. 
Integrated Third Party Software

As a majority shareholder in the software developer Prediktera, HySpex can offer seamless integration of hardware and data processing software, providing customers with unparalleled capability not only to collect high quality data, but also to bridge the gap between the hyperspectral data and end-user results. This will prove to be especially effective for industrial applications that require real-time detection (process spectroscopy). NEO can thus offer: 

  • Turn-key HW and SW solutions for easy and quick test and development of operational algorithms/models.
  • High-end hyperspectral cameras for R&D with a software toolbox to resize data and spectrally optimise for an industrial application.
  • A runtime engine for real time processing with CPU and GPU computing support, allowing real-time processing of data from all cameras at their maximum acquisition speed.
  • Easy export from the offline SW package to the runtime engine.
  • Connector Software to interface with the customer’s graders, sorters or similar devices.

NEO is open to collaborating with all third-party hyperspectral processing software suppliers on the market.

The HySpex Baldur Range at a Glance
 

V-1024 N

S-640i N

S-384 N

Spectral Range

400-800/430-820/485-960/400-1000 nm

950-1730 nm

960-2500nm

Spectral bands

72/72/88

232

288

Max speed*

1000/1000/800

500 fps

500 fps 

Spectral sampling

5.5 nm

3.36 nm

5.45 nm 

Spectral FWHM

<2 bands

<2 bands

<2 bands 

Spatial FWHM

< 1.7 pixels

<1.5 pixels

<1.3 pixels 

Spatial Pixels

1024

640

384 

Keystone

<15% of a pixel

<20% of a pixel

<15% of a pixel 

Smile

<15% of band

<20% of band

<15% of band 

FOV

16° / 40°

16° / 40°

16° / 40° 

Bit Resolution

12

12 bit

16 bit 

Noise Floor

11e

HG:8.5/MG:32/LG:270 e-

150 e- 

Peak SNR

>286

HG:150/MG:275/LG:800

>1100

Dynamic Range

2560

HG:2650/MG:2360/LG:2360

7500

ROI*

8 independent ROIs

All bands can be selected/deselected individually

All bands can be selected/deselected individually 

Dimensions (l-w-h)

316 – 105 – 153 mm

364 – 105 – 153 mm

368 – 131 – 175 mm 

Camera Interface

CameraLink

GigE

CameraLink 

External Trigger Options 

 

LVDS, 5V/12V/24V TTL

LVDS, 5V/12V/24V TTL 

HySpex Baldur V-1024 N configuration

Working distance

Field of View 

Pixel size 

Max speed (232 bands*) 

Max speed (116 bands*) 

1.0 m 

16°/293 mm 

0.286 mm 

0.22 m/s 

0.44 m/s 

1.0 m 

40°/748 mm 

0.730 mm 

0.56 m/s 

1.12 m/s 

1.9 m 

40°/1331 mm 

1.300 mm 

1.00 m/s 

2.00 m/s 

 
HySpex Baldur S-640i N configuration

Working distance

Field of View 

Pixel size 

Max speed (232 bands*) 

Max speed (116 bands*) 

1.0 m 

16°/282 mm 

0.44 mm 

0.22 m/s 

0.40 m/s 

1.0 m 

40°/704 mm 

1.10 mm 

0.55 m/s 

1.10 m/s 

1.9 m 

40°/1344 mm 

2.10 mm 

1.05 m/s 

4.20 m/s 

HySpex Baldur S-384 N configuration

Working distance

Field of View 

Pixel size 

Max speed (232 bands*) 

Max speed (116 bands*) 

1.0 m 

16°/282 mm 

0.44 mm 

0.22 m/s 

0.40 m/s 

1.0 m 

40°/704 mm 

1.10 mm 

0.55 m/s 

1.10 m/s 

1.9 m 

40°/1344 mm 

2.10 mm 

1.05 m/s 

4.20 m/s 

* Reducing the number of spectral channels with ROI will proportionally increase the max framerate

The Baldur family of hyperspectral cameras has been designed to operate in industrial environments in which high image quality and spectral fidelity are required. The cameras work in the 400 to 2500 nm spectral range and can be easily integrated into different sorting processes for real time classification, identification and quantification of a wide variety of materials.

Case Studies: 

Hyperspectral Fish Inspection

Detection of Asbestos

Datasheets

Articles

Related Videos

Software Videos

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