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ISO12233 Resolution Test Card Lens SFR Resolution MTF Clarity Test Chart Color Card for Security Cameras
Model: NQ-10-100A
Size: Any size below 1600mm in width, no length limit
Material: High-definition photo paper
Type: Reflective
The ISO12233 resolution test chart is a standard test tool for evaluating the resolution performance of imaging devices such as digital cameras, lenses, scanners, etc. It is widely used in the development, testing and calibration of optical imaging systems. The following are its main application scenarios and functions:
1. Camera and lens development and optimization
- Resolution evaluation: Measure the spatial resolution of the imaging system, including the limit resolution in the horizontal, vertical and diagonal directions, to help engineers optimize lens design, sensor performance and image processing algorithms.
- Parameter tuning: Determine the best imaging parameter combination by testing the resolution performance at different apertures, focal lengths and focus positions.
- Aberration analysis: Detect the impact of lens aberrations (such as chromatic aberration and spherical aberration) on resolution to guide optical design improvements.
2. Quality control of imaging equipment
- Production line inspection: During the production process of cameras, mobile phone cameras and other equipment, standardized tests are performed to ensure that the resolution of each device meets the factory requirements.
- Consistency verification: Compare the imaging performance of different batches or models of equipment to ensure product quality stability.
3. Image processing algorithm evaluation
- Sharpening and noise reduction algorithm testing: Quantify the algorithm's enhancement of image details or noise suppression effect, and optimize algorithm parameters.
- Compression algorithm impact: Evaluate the degree of image resolution loss caused by compression algorithms such as JPEG and HEIC.
4. Industry standard certification
- ISO-compliant: The ISO12233 test chart is a core tool of the international standard (ISO 12233:2014) and is used to verify whether a device meets industry specifications related to resolution (such as the DxOMark score for mobile phone cameras).
- Competitive product comparison: Provide objective resolution comparison data for cameras and lenses of different brands or models.
5. Dynamic range and distortion test (extended function)
- Grayscale test: Some ISO12233 test charts contain grayscale staircase patterns to assist in evaluating the dynamic range and noise performance of the imaging system.
- Geometric distortion detection: Analyze the barrel distortion or pincushion distortion of the lens through the calibration lines on the chart.
6. Application fields
- Consumer electronics: Testing of camera modules such as smartphones, drones, and sports cameras.
- Security monitoring: Evaluating the detail capture capabilities of surveillance cameras (such as face recognition and license plate recognition).
- Medical imaging: Verifying the imaging clarity of endoscopes, microscopes, and other equipment.
- Industrial inspection: Used for precision calibration of machine vision systems (such as defect detection and dimensional measurement).
Test methods
1. Shooting conditions: Uniform illumination, full screen of the test card, avoid tilt and distortion.
2. Analysis software: Use professional software (such as Imatest, IQAnalyzer) to analyze the test card image and calculate key indicators such as MTF (modulation transfer function) and SFR (spatial frequency response).
3. Result interpretation: Quantify resolution performance by limiting resolution (LW/PH, line width per image height) or MTF50 value.
Notes
- Environmental control: Light uniformity and color temperature stability directly affect the test results.
- Focus accuracy: Slight defocusing will lead to resolution measurement deviation.
- Test chart version: Select ISO12233:2000 (traditional wedge pattern) or ISO12233:2014 (improved SFRPlus pattern) according to your needs.
The ISO12233 resolution test chart provides a standardized and repeatable test method for the performance evaluation of imaging systems. It runs through the entire process of product development, production, and certification, and is an indispensable tool in the optical and imaging industries.
The ISO12233 resolution test chart is a key tool in the field of optical imaging. It is mainly used to **quantitatively evaluate the resolution performance of imaging systems** and guide equipment optimization and quality control. Its core functions are as follows:
1. Accurately measure resolution
- Limit resolution: Determine the highest spatial frequency that the device can resolve in the horizontal, vertical and diagonal directions through high-frequency fringe patterns (unit: LW/PH, line width per image height).
- MTF (Modulation Transfer Function) analysis: Quantify the system's response to different spatial frequencies (such as MTF50 value, which is the frequency when the contrast drops to 50%), reflecting the ability to restore details.
2. Optimize optical system design
- Aberration detection: Identify the impact of lens defects such as chromatic aberration, spherical aberration, and astigmatism on imaging clarity.
- Parameter tuning: Test the resolution changes under different aperture, focal length, and focus settings to determine the optimal imaging parameters.
3. Production quality control
- Factory consistency detection: Ensure that the resolution of each batch of products such as cameras and mobile phone cameras meets the standards.
- Defect troubleshooting: Quickly locate problems (such as lens defocus, sensor defects, or algorithm defects).
4. Evaluate image processing algorithms
- Sharpening/noise reduction effects: quantify the algorithm's ability to balance detail enhancement and noise suppression.
- Compression distortion analysis: test the degree of loss of image details by compression technologies such as JPEG and HEVC.
5. Standardization certification and comparison
- Industry certification: meet ISO 12233:2014 standards and support authoritative evaluations such as DxOMark.
- Competitive performance benchmarking: provide objective data to compare the resolution of different devices (such as mobile phones and cameras).
6. Extended function application
- Dynamic range test: combine grayscale staircase patterns to evaluate the brightness range and noise performance of the system.
- Geometric distortion detection: measure lens barrel distortion, pincushion distortion and other deformations through calibration lines.
Core advantages
- Objectivity: standardized testing eliminates subjective judgment errors.
- Efficiency: quickly locate imaging bottlenecks (hardware or algorithm problems).
- Versatility: Applicable to mobile phones, cameras, security monitoring, medical imaging, industrial testing and other fields.
Through the ISO12233 test card, the R&D and production teams can accurately control the core performance of the imaging system and promote product iteration and quality improvement.
| item | ISO12233 Resolution Test Card |
| place of origin | China |
| weight | 100g |
| Type | Reflective |
| Coating | Anti-reflective coating |
| warranty | 1 year |
| customized support | ODM |
| brand name | 3nh/SineImage |
| model number | NQ-10-100A |
| size | 401*256mm |
Guangdong Threenh Technology Co.,Ltd./Shenzhen?Threenh Technology Co.,Ltd.began in?1998, and we have 3 factories, about?15000 square meters, seperately in Guangzhou and?Huizhou of Guangdong Province, and the third one in Jiangxi Province and many offices in China like Shanghai, Shenzhen, Hangzhou, Qinigdao, Beijing, ETC.?We specializes in the R&D, production and sales of colorimeter, spectrophotometer, color density meter, gloss meter, color light box, color proof table, coating thickness gauge, iso test chart, etc., which is the leading producer in the color and glossy surface measurement field in China. We are also the national high technology enterprise.Till now we have received more than 30 patents and passed CE, ISO 9001, ROHS, FCC, TUV etc certifications. We also can support?OEM&ODM service?for free for all over the world customers.
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