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Image Evaluation Chart - List of Manufacturers, Suppliers, Companies and Products

Image Evaluation Chart Product List

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Industry-specific Solutions [Security]

Industry-specific Solutions [Security]

Industry-specific solutions are the optimal solutions for starting quality tests tailored to users' needs and requests.

The continuous development of camera technology is expanding the requirements for image technology in the security field. New features such as motion and facial recognition have been added as standard. The amount of data transferred continues to increase, and consequently, the quality of image materials is required to be high. This enables software-based evaluation systems. Security cameras must operate under various conditions, utilizing LED lights and other means, from direct sunlight to extremely low brightness levels. Since they must function under high contrast levels in direct sunlight, cameras need to have a high dynamic range, and it is optimal to use TE269C (compliant with IEC62676-5 video surveillance camera standards) in front of high-intensity flicker lighting devices like LG3. For resolution, optical parameters, and other specifications, you can use standard charts (TE253 9x, TE251) in combination with the image analysis software iQ-Analyzer-X.

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Industry-Specific Solutions [Automotive / In-Vehicle]

Industry-Specific Solutions [Automotive / In-Vehicle]

Industry-specific solutions are the optimal solutions for starting quality tests tailored to the needs and requests of users.

In the field of in-vehicle camera imaging, customer demands are currently overwhelmingly focused on two quality parameters: high dynamic range combined with OECF and spatial resolution. Therefore, the recommended light sources for image quality evaluation in the automotive industry are the LE7, an illumination device for transmission charts equipped with iQ-LED (integrating sphere), or the LG3, a high-intensity flicker-free lighting device. The recommended charts are the OECF chart TE269B (measurable dynamic range of 1,000,000:1 / 120dB) or TE269C (measurable dynamic range of 5,000,000:1 / 134dB). Additionally, the reflective chart TE261 with an inclined edge of size A1066 allows for the measurement of SFR (spatial frequency response) even for cameras with a high level of geometric distortion. These quality parameters can be analyzed using the image analysis software iQ-Analyzer-X.

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Industry-Specific Solutions [Medical / Endoscopy]

Industry-Specific Solutions [Medical / Endoscopy]

Industry-specific solutions are the optimal solutions for starting quality tests tailored to the needs and requests of users.

Most medical imaging applications are designed to capture images at a microscopic (or small) scale. Therefore, the test charts must also be small. To uniformly illuminate the final image with the same light source, we recommend the CAL4 integrating sphere with a diameter of 30 cm, which comes with four types of connection adapters for various endoscope light sources. (Note: The CAL4 does not come equipped with light sources such as iQ-LED.) The opening of this integrating sphere features a 50x50 mm output window with a slot for a D35 size chart. For resolution measurement, a D35 size Siemens star TE253 9x (compliant with ISO standard 12233:2014) is recommended. For measuring OECF, dynamic range, noise, etc., a D35 size TE240 chart with 24 gray patches (compliant with ISO 21550) is recommended. For color evaluation, the transmissive Calibrite ColorChecker TE188 (D35 size) is recommended, and for visual assessment, the U.S. Air Force resolution chart TE250 for 35mm film (D35 size) is recommended.

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Industry-Specific Solutions [Machine Vision]

Industry-Specific Solutions [Machine Vision]

Industry-specific solutions are the optimal solutions for starting quality tests tailored to the needs and requests of users.

For the various applications of cameras in industrial image processing, the necessary conditions for cameras change depending on the application. Image processing, which demonstrates a wide range of true capabilities, provides data to verify quality, identify parts, read codes, and optimize manufacturing processes, while also controlling machines. Recommended products for machine vision evaluation allow for testing of key quality criteria such as dynamic range, resolution, sensitivity, noise, and frame rate, including optical systems and sensors. In machine vision, lighting is usually controllable. Therefore, a normal contrast of 10,000:1 is sufficient for the OECF chart. However, since tone levels are used for automatic detection and evaluation of various elements in images, it is helpful to measure the OECF in as much detail as possible. For this reason, the iQ-LED equipped lighting device (integrating sphere) LE7 for transmission charts and the 36 gray patch chart TE269B are recommended. For color, resolution, distortion, and shading, standard charts (TE253 9x, TE230, TE251, TE255) can be analyzed using the image analysis software iQ-Analyzer-X.

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