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Food Testing >> Blog >> Color measurement through DigiEye

Color measurement through DigiEye

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DigiEye is a digital imaging system commonly used for color measurement and analysis. It is often utilized in industries such as printing, textile manufacturing, paint production, and quality control. DigiEye captures digital images of color samples or objects and provides various color-related measurements and data.

Digieye

Overview of how color measurement through DigiEye works:

Image Capture: The DigiEye system captures digital images of the object or color sample under controlled lighting conditions. The lighting setup is crucial to ensure consistent and accurate color representation.

Color Space: DigiEye can operate in various color spaces, such as RGB (Red, Green, Blue), LAB, CMYK, or spectral data. The choice of color space depends on the specific application and requirements.

Calibration: Before taking measurements, DigiEye needs to be calibrated. This calibration process ensures accurate color reproduction by accounting for any variations in lighting conditions, camera settings, and color accuracy.

Color Analysis: Once the image is captured and calibrated, DigiEye performs color analysis on the captured image. It analyses the distribution of colors within the image and extracts various color-related parameters.

Colorimetric Values: DigiEye calculates colorimetric values such as hue, saturation, brightness, and color difference measurements (e.g., Delta E) compared to a reference standard.

Spectral Data: In applications that require precise spectral information, DigiEye can measure and provide spectral data for each pixel of the captured image. This data can be used for detailed color matching and analysis.

Color Matching: DigiEye can compare the color of the captured sample against known color standards or color databases to determine the closest color match.

Data Output and Analysis: The color measurement data obtained from DigiEye can be displayed on a computer screen or exported to external software for further analysis. This data can be used for quality control, color matching, color formulation, and various other applications depending on the industry.

It's important to note that while DigiEye provides accurate color measurement capabilities, the results can still be influenced by factors such as lighting conditions, material texture, and device calibration. Regular calibration and adherence to standardized measurement procedures are essential to ensure consistent and reliable color measurement results.

Applications of DigiEye in foods

Applications of DigiEye in foods

 DigiEye and similar digital imaging systems can be used in various food-related applications across different sectors of the industry. Here are some examples of foods and food-related areas where DigiEye or similar technologies can be employed:

Food Category

DigiEye Applications

Fruits and Vegetables

Assess color and quality, grading and sorting based on color parameters

Meat and Poultry

Evaluate visual appearance, detect discoloration, assess quality

Bakery and Confectionery

Evaluate color and appearance, ensure consistency, aid in quality control

Beverages

Measure and monitor color, ensure consistency, detect changes

Dairy Products

Assess color and visual appearance, monitor consistency, detect defects

Sauces, Dressings, and Condiments

Measure and control color, maintain consistency, enhance visual appeal

Snacks and Cereals

Evaluate color and appearance, ensure consistency, support development

Food Packaging

Assess color and print quality, ensure quality control and brand accuracy

 

DigiEye in Food Industry: Color Assessment and Quality Control

DigiEye can be beneficial in food testing and analysis, particularly in assessing visual attributes such as color and appearance. Here's how DigiEye can help in food testing:

Application

Description

Color Measurement

Accurately measures the color of food products, ensuring consistency and quality control

Quality Evaluation

Assists in evaluating the quality and freshness of food products based on visual attributes

Quality Control in Production

Ensures color consistency in processed or packaged food items during production, monitoring color variations

Shelf-Life Studies

Supports shelf-life studies by monitoring color changes in food products over time

Product Development

Aids in product development and formulation by providing objective color data

Compliance with Standards

Helps meet specific color standards in the food industry, ensuring regulatory compliance and customer expectations

Sensory Analysis

Evaluates the visual appearance of food products, aiding in sensory analysis and consumer studies

Documentation and Traceability

Provides digital documentation of color measurements, facilitating record-keeping and traceability of color data

 

Market overview

The Food Colors Market size was valued at USD 4.32 Billion in 2022 and is projected to reach USD 6.64 Billion by 2030, exhibiting a CAGR of 4.27% during the forecast period from 2023 to 2030.

 

Food Colors - Market Overview

Eurofins role in Color measurement through DigiEye testing

Eurofins is a leading global provider of testing and laboratory services, and they have a significant role in color measurement across various industries. Color measurement is crucial for industries such as textiles, automotive, paints and coatings, printing, plastics, and cosmetics, among others. Eurofins offers color measurement services using advanced technologies, and one of their notable tools is the DigiEye. Eurofins utilizes the DigiEye technology to perform color matching, quality control, and product development tasks for their clients. The DigiEye captures digital images of objects or samples, and the software analyzes the color information to provide various measurements and assessments.

Here's how Eurofins employs the DigiEye in color measurement:

Color Matching: Eurofins uses the DigiEye to match colors accurately. By capturing the digital image of a reference color and comparing it to the sample color, they can determine if the sample meets the desired color specifications.

Quality Control: The DigiEye enables Eurofins to perform rigorous quality control checks on color-sensitive products. They can measure color consistency, identify variations or deviations, and ensure that products meet the required standards.

Product Development: Eurofins utilizes the DigiEye to aid in the development of new products. They can evaluate color formulations, assess the impact of different parameters (such as lighting conditions), and optimize color choices for specific applications.

References

  1. https://www.verifiedmarketresearch.com/product/food-colors-market/
  2. file:///C:/Users/HP/Downloads/digieye-non-contact-colour-measurement.pdf -
  3. https://www.standard-groups.com/en/ColorEvaluation/674.html