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Capturing Consistent Color

CHALLENGE: Whether you're sorting fruits and vegetables or inspecting sneakers, capturing accurate color and rich details at high speed with guaranteed reliability calls for certain characteristics in a camera.

Solution:
The Blackfly S combines the latest CMOS sensors with advanced color algorithms and includes:
• A color correction matrix for accurate color reproduction under any lighting conditions
• Excellent sensitivity and dynamic range to maximize image contrast
• Precise triggering to guarantee image capture at high speed  




ACCURATE COLOR REPRODUCTION

Obtaining true color by correcting for sensor response and light source

The Blackfly S allows users to capture color as accurately as possible. To achieve the most accurate color, each Blackfly S model employs an internal color correction matrix (CCM) that adjusts the color sensor’s unique spectral response to more closely match the color space of the sRGB color profile standard. Depending on your application's requirements, the camera’s CCM can be enabled through our Color Transformation setting. When it is enabled, colors will more consistently and accurately match their appearance in nature

While the CCM helps create colors that are truer to life, white balance corrects for the color given off by different light sources. This is known as the light’s color temperature, expressed in kelvins (K). For example, incandescent light has a lot of red in its wavelength composition, causing a camera’s white balance to scale up blue and green to balance the image to a neutral color. The Spinnaker SDK has preset white balance values for Tungsten (2800K), Warm Fluorescent 3000K, Cool Fluorescent 4000K, Daylight (5000K), Cloudy (6500K) and Shade (8000K). It also accepts custom values, to match your light source perfectly. 

For more technical information please visit our Blackfly S color transformation / white balance page
Sensor respsonse curve and light source spectral content (color level)
Proper color correction takes into account both the sensor's sensitivity to red, green, and blue wavelengths (left) as well
as the specific color temperatures of different light sources (right).

Example of CCM and White Balance enabled on Tungsten (incandescent) lighting scene CCM OFF, White Balance OFF                              CCM ON, White Balance OFF                           CCM ON, White Balance ON

Images above use tungsten (incandescent) lighting.


HIGH PERFORMANCE CAMERA IMAGE QUALITY

Excellent quantum efficiency for improved low light performance

As mentioned above, a sensor's spectral response, or it's quantum efficiency (QE), is one way to measure a sensor’s ability to turn light into an electrical signal.  For color, quantum efficiency is measured for each red, green, and blue channel.  A higher QE means greater light detection sensitivity, which is beneficial to most applications, especially those that are low-light. In addition, certain sensors may be geared toward better sensitivity at different wavelength ranges. While no sensor can reach 100%, FLIR offers mono sensors with a class-leading peak QE of 70%-80%.  Color sensor QE tends to be lower than mono sensor QE because the color filter that sits on top of its photodiode absorbs some of the incoming photons. The images below show our EMVA 1288 QE curves for the BFS-U3-13Y3C and BFS-U3-51S5C.
Quantum Efficiency example
Blackfly S QE Curves
High dynamic range to maximize image contrast

Dynamic range describes the camera's ability to detect maximum and minimum light intensities (shadows and highlights). High dynamic range allows the camera to capture more levels of grayscale detail in images. For example, in food sorting applications where round and cylindrical fruit and vegetables create more shadows and highlights than flat objects, color camera models with high dynamic range allow the vision system to see more detail.

BFS-U3-32S4C-C Dynamic Rage is 70.02dB
BFS-U3-51S5C-C Dymainc Range is 70.74 dB
Example of color dynamic range




high speed Precise triggering

Accurate and precise triggering is expected for all machine vision cameras. However, as applications become more complex, so do triggering requirements and patterns. What sets FLIR cameras apart is the degree of flexibility in the type of triggering that a user can set.

The Blackfly S provides a unique feature called Logic Blocks that allows you to create custom trigger configurations, detect missing triggers, and re-fire to ensure every image is captured.


Here are some examples of custom trigger configurations:

  • Trigger the camera when it receives an external trigger pulse + some other user defined condition (E.g. amount of time).

  • Trigger when the camera is ready to trigger, a trigger pulse has been received, and exposure has not yet started. This configuration allows you to "remember" trigger pulses that occurred when the camera was not in a position to trigger (E.g. it was already exposing).

  • Find out more about  Logic Blocks from our application note.
Diagram of logic blocks
Each Blackfly S camera has two logic blocks available. Each logic block is comprised of two lookup tables (LUT) with configurable inputs, two truth tables and a flip flop output.


More Helpful Resources

If you would like to compare the EMVA 1288 imaging performance of our cameras, please visit our Camera Sensor Review page.
For definitions of EMVA 1288 imaging performance terms such as quantum efficiency and dynamic range, visit our EMVA 1288 overview.
For a complete list of application notes for the Blackfly S / Spinnaker SDK, please visit our Blackfly S page and click on the documents tab.

MORE PROBLEM SOLVING LESSONS

Lesson #1: True Color: Capturing consistent color images under varying lighting conditions 
Lesson #2: Higher Resolution: Inspecting Higher Density PCBs & Flat Panel Displays 
Lesson #3: Precision System Synchronization: Using IEEE-1588 PTP to synchronize cameras & devices
Lesson #4: Deep Learning: Collect image data, train a neural network, and deploy 
Lesson #5: Edge Computing: Process image data closer to the source for low system latency 

  • 10 GigE
  • USB 3.1 Gen 1
  • GigE
MODEL TYPE MP SENSOR DESCRIPTION SHUTTER MAX RES. Max FPS PRICE/AVAILABILITY
ORX-10G-123S6C-C Color 12.3 MP Sony IMX253 CMOS, 1.1", 3.45 µm Global shutter 4096 x 3000 68 FPS
3950.00 USD
ORX-10G-123S6M-C Mono 12.3 MP Sony IMX253 CMOS, 1.1", 3.45 µm Global shutter 4096 x 3000 68 FPS
3950.00 USD
MODEL TYPE MP SENSOR DESCRIPTION SHUTTER MAX RES. Max FPS PRICE/AVAILABILITY
BFS-U3-04S2C-CS Color 0.4 MP Sony IMX287 CMOS, 1/2.9", 6.9 µm Global shutter 720 x 540 522 FPS
Q4 2017
BFS-U3-04S2M-CS Mono 0.4 MP Sony IMX287 CMOS, 1/2.9", 6.9 µm Global shutter 720 x 540 522 FPS
Q4 2017
BFS-U3-13Y3C-C Color 1.3 MP ON Semi PYTHON 1300 CMOS, 1/2", 4.8 μm Global shutter 1280 x 1024 170 FPS
395.00 USD
BFS-U3-13Y3M-C Mono 1.3 MP ON Semi PYTHON 1300 CMOS, 1/2", 4.8 μm Global shutter 1280 x 1024 170 FPS
395.00 USD
BFS-U3-16S2C-CS Color 1.6 MP Sony IMX273 CMOS, 1/2.9", 3.45 µm Global shutter 1440 x 1080 226 FPS
395.00 USD
BFS-U3-16S2M-CS Mono 1.6 MP Sony IMX273 CMOS, 1/2.9", 3.45 µm Global shutter 1440 x 1080 226 FPS
395.00 USD
BFS-U3-32S4C-C Color 3.2 MP Sony IMX252 CMOS, 1/1.8", 3.45 µm Global shutter 2048 x 1536 118 FPS
725.00 USD
BFS-U3-32S4M-C Mono 3.2 MP Sony IMX252 CMOS, 1/1.8", 3.45 µm Global shutter 2048 x 1536 118 FPS
725.00 USD
BFS-U3-51S5C-C Color 5.0 MP Sony IMX250 CMOS, 2/3", 3.45 µm Global shutter 2448 x 2048 75 FPS
1095.00 USD
BFS-U3-51S5M-C Mono 5.0 MP Sony IMX250 CMOS, 2/3", 3.45 µm Global shutter 2448 x 2048 75 FPS
1095.00 USD
BFS-U3-200S6C-C Color 20 MP Sony IMX183 CMOS, 1", 2.4 µm Rolling shutter with global reset 5472 x 3648 18 FPS
695.00 USD
BFS-U3-200S6M-C Mono 20 MP Sony IMX183 CMOS, 1", 2.4 µm Rolling shutter with global reset 5472 x 3648 18 FPS
695.00 USD
MODEL TYPE MP SENSOR DESCRIPTION SHUTTER MAX RES. Max FPS PRICE/AVAILABILITY
BFS-PGE-04S2C-CS Color 0.4 MP Sony IMX287 CMOS, 1/2.9", 6.9 µm Global shutter 720 x 540 291 FPS
325.00 USD
BFS-PGE-04S2M-CS Mono 0.4 MP Sony IMX287 CMOS, 1/2.9", 6.9 µm Global shutter 720 x 540 291 FPS
325.00 USD
BFS-PGE-13Y3C-C Color 1.3 MP ON Semi PYTHON 1300 CMOS, 1/2", 4.8 μm Global shutter 1280 x 1024 84 FPS
325.00 USD
BFS-PGE-13Y3M-C Mono 1.3 MP ON Semi PYTHON 1300 CMOS, 1/2", 4.8 μm Global shutter 1280 x 1024 84 FPS
325.00 USD
BFS-PGE-16S2C-CS Color 1.6 MP Sony IMX273 CMOS, 1/2.9", 3.45 µm Global shutter 1440 x 1080 78 FPS
345.00 USD
BFS-PGE-16S2M-CS Mono 1.6 MP Sony IMX273 CMOS, 1/2.9", 3.45 µm Global shutter 1440 x 1080 78 FPS
345.00 USD
BFS-PGE-31S4C-C Color 3.2 MP Sony IMX265 CMOS, 1/1.8", 3.45 µm Global shutter 2048 x 1536 35 FPS
495.00 USD
BFS-PGE-31S4M-C Mono 3.2 MP Sony IMX265 CMOS, 1/1.8", 3.45 µm Global shutter 2048 x 1536 35 FPS
495.00 USD
BFS-PGE-50S5C-C Color 5.0 MP Sony IMX264 CMOS, 2/3", 3.45 µm Global shutter 2448 x 2048 22 FPS
795.00 USD
BFS-PGE-50S5M-C Mono 5.0 MP Sony IMX264 CMOS, 2/3", 3.45 µm Global shutter 2448 x 2048 22 FPS
795.00 USD