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# wheel-defect-detection-e53jb-38chk-ytwg > 2025-03-13 8:06am https://universe.roboflow.com/rf-100-vl/wheel-defect-detection-e53jb-38chk-ytwg Provided by a Roboflow user License: MIT # Overview - [Introduction](#introduction) - [Object Classes](#object-classes) - [Cracks-Scratches](#cracks-scratches) - [Discoloration](#discoloration) - [Shelling](#shelling) - [Wheel](#wheel) # Introduction This dataset is designed to detect and analyze defects in wheels. It includes four main classes to help identify potential issues that could affect performance and safety. Classes: - **Cracks-Scratches**: Visible lines or marks on the wheel that indicate damage. - **Discoloration**: Areas where the wheel surface shows abnormal color changes. - **Shelling**: Parts of the wheel surface that appear pitted or hollowed out. - **Wheel**: The entire wheel structure. # Object Classes ## Cracks-Scratches ### Description Lines or seams that appear on the wheel’s surface, often consistent and sometimes deep or shallow. ### Instructions - Annotate visible lines and marks that trace across the wheel’s surface. - The annotations should capture the full extent of each line. - Do not include smudges or dirt that do not have defined linear shapes. ## Discoloration ### Description Patches or areas on the wheel where the color differs from the rest of the material, indicating potential corrosion or fading. ### Instructions - Focus on areas where the color noticeably changes, usually darker or lighter than the surrounding region. - Exclude regions where lighting changes cause temporary shadows or highlights. ## Shelling ### Description Areas on the wheel surface that are hollowed or indented, resembling small craters or pits. ### Instructions - Outline regions that appear to be missing material, forming depressions on the wheel. - Avoid marking areas that are merely dirty or have surface residue but are not structurally hollowed. ## Wheel ### Description The entire circular structure, including spokes and hubs, typically made of metal or alloy. ### Instructions - Locate and enclose the entire wheel, ensuring that the edges of the wheel are precisely defined. - Include all visible parts of the wheel, but do not extend the annotation over occluding objects such as nearby parts or machinery. |