nes for the Use, Maintenance, and Storage of Test Charts ====
Test charts are indispensable reference tools in image quality evaluation, and their integrity direc... . Improper use and storage environments can cause charts to fade, scratch, or deform, thereby rendering th... e Guidelines**\\
**(I) Usage Environment**
Test charts should be placed in a clean and tidy location, aw
evaluation (e.g., for cameras, LiDAR, etc.), test charts are standardized and reproducible core tools—they... purposes, parameters, and selection logic of test charts, as well as chart materials, mounting, usage, and... precisely match testing requirements and use test charts correctly.\\
**I. What is a Test Chart? — The "Standardized Ruler" for Image Testing**\\
**Test charts** are standardized media used to quantitatively e
t sources to capture dedicated dynamic range test charts. After analysis by image quality analysis softwar... the imaging system.
**Common Dynamic Range Test Charts:**\\
**Transmissive Test Charts:**\\
Transmissive 36-step grayscale test chart (up to 150dB), transmissi... djustable light input)]] ^
**Unlike traditional charts, a polarizer is added to the center of the chart,
==== Test Tools User Guide ====
**Test Charts**\\
* [[en:yanding:image_quality_evaluation:tools:test_charts:chart_selection_guide|How to Choose the Right Tes... [[en:yanding:image_quality_evaluation:tools:test_charts:material_selection_guide|Test Chart Material Sele... [[en:yanding:image_quality_evaluation:tools:test_charts:usage_maintenance_storage_guide|Test Chart Usage,
=== Test Chart Material Selection Guide ====
Test charts are core tools in fields such as optical testing ... flective Test Chart Materials**\\
Reflective test charts achieve imaging tests by reflecting external ligh... ion costs and complex processing, making the test charts expensive; strong rigidity and heavy weight, maki... issive Test Chart Materials**\\
Transmissive test charts achieve imaging tests by allowing light to pass t
surement of resolution. Low-contrast Siemens star charts and dead leaves charts can be used for testing. However, since the dead leaves chart more closely resembl...
**Laboratory Test Environment Setup:**
1. Test charts: **B&W Dead Leaves Chart IMC064 / Color Dead Leav
supports automatic distortion analysis for **dot charts** and **checkerboard charts**.
**Test Charts Supported by the Distortion Module**\\
| Dot | Checkerboard | Concentric Test Car
he analysis of multi-specification grayscale test charts (both transmissive and reflective), such as 12-patch, 20-patch, and 36-patch charts. It also allows you to invoke the Single SNR func... gnal-to-noise ratio, and white balance.\\
**Test Charts Supported by the Grayscale Module**\\
(Click on
a diffuse reflectance ρ of approximately 18%;\\
- Charts that are aged or excessively exposed to sunlight/... t and automatic switching, supports storage of 10 charts, and accommodates a maximum size of 1600*1000mm.
像质量评价:标准化测试:mtf3.png?380|}}]]
**Recommended Test Charts:**\\
[[https://yanding.com/product/detail?id=1616... 像质量评价:标准化测试:36阶图卡.png?400|}}]]
Unlike traditional charts, this chart specially adds a polarizer at the cen
t boxes at the rear, combined with four grayscale charts of different densities, and setting relevant para... p:**\\
In a dark environment, insert four 35-step charts into the slots of the transmissive light boxes (t
eformation and recognition failure of traditional charts under wide-angle / fisheye lenses. |Sparse sampl... age, calculated according to ISO 17850.\\
**Data Charts:**
(1) Optical and SMIA TV Distortion Curves
{{ y
, it is necessary to photograph professional test charts in a standard image quality laboratory and obtain... signal-to-noise ratio, color coordinate analysis charts, etc. PDF, TXT, and Excel reports can be saved to
g with standard 24-color, 140-color, and 14-color charts.
**Test charts supported by the color module:**\\
| 24-Color | 140-Color | 14-Color(QCT1128) |
|
usage_maintenance_storage_guide @en:yanding:image_quality_evaluation:tools:test_charts
