Nail Drawing Apparatus Detecting Damaged Areas
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Solution Overview
Problem
Conventional nail printing apparatuses face challenges when drawing on nails with damaged portions, as the pen tip can catch or get stuck, leading to accidents and poor finish quality.
Innovation Solution
A drawing apparatus that includes an object mounting portion for securing a finger or toe, a processor to detect the actual outline of the nail from a captured image, and an interpolation outline creation to determine if the nail has damaged areas, allowing for safe and high-quality drawing by avoiding damaged sections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a pen is used for drawing on nails, then color development and ink viscosity flexibility are improved, but the risk of pen tip catching on damaged nail portions increases
Solution Approach 1:
The system performs preliminary detection of the nail surface condition using an imaging device before the drawing process begins. The detection unit captures images of the nail surface to identify damaged portions such as chips, cracks, or peeling areas. Based on this advance detection, the control unit generates corrected drawing data that routes the drawing path around the damaged areas, preventing the pen tip from catching on them during the actual drawing operation.
2Productivity
If drawing is performed on nails with damaged portions, then drawing completion is achieved, but the finish quality deteriorates and accidents may occur
Solution Approach 1:
The system implements a feedback mechanism where the detection unit continuously monitors the nail surface condition and provides information to the control unit. The control unit processes this feedback by comparing the detected nail surface state with the planned drawing path, then dynamically adjusts the drawing data to avoid damaged portions. This closed-loop feedback ensures that the drawing process adapts to actual nail conditions, maintaining high finish quality while completing the drawing operation.
Data Source
AI summary
A drawing apparatus includes an object mounting portion on which an object is mounted, the object being at least one finger or toe having a nail, and a processor.The processor detects an actual outline, which indicates an actual shape of an outer periphery of the nail, based on an image obtained by imaging the nail of the object mounted on the object mounting portion; creates an interpolation outline with respect to the actual outline other than a root portion of the nail, from the image, wherein the interpolation outline is an outline in which the actual outline is interpolated to eliminate a concavity in cases where the actual outline other than the root portion of the nail has the concavity; and determines whether or not the nail has a damaged portion on the basis of a comparison of the interpolation outline with the actual outline.