Image processor and computer-implemented method for a medical observation device using a position-dependent color conversion function
JP2025517708A5Pending Publication Date: 2026-05-22LEICA INSTRUMENTS (SINGAPORE) PTE LTD
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Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- LEICA INSTRUMENTS (SINGAPORE) PTE LTD
- Filing Date
- 2023-05-15
- Publication Date
- 2026-05-22
AI Technical Summary
Technical Problem
Medical observation devices, such as microscopes and endoscopes, often produce digital color images with non-uniform spatial color distributions due to defects in optical components and illumination systems, leading to inaccurate representation of object colors.
Method used
An image processor with a color conversion function that depends on the position of each input pixel, allowing for spatial color distribution equalization by adjusting pixel colors based on their location within the image.
Benefits of technology
The solution effectively compensates for non-uniform spatial color distributions, resulting in more accurate and uniform color representation of objects in medical observation images.
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Abstract
An image processor (170) and a computer-implemented method for a medical observation device (100) such as a microscope or an endoscope are described. To improve color accuracy, the image processor (170) includes a color conversion function (140). Further, the image processor (170) is configured to obtain an input pixel (150d) of a digital input color image (200) and a position (x, y) of the input pixel within the input color image (200), and apply the color conversion function to the input pixel to form an output pixel (150c) in a digital output color image (160). The color conversion function (140) depends on the position of the input pixel. By using such a solution, it is possible to compensate for non-uniformities in the spatial color distribution within the digital input color image introduced by an optical element between the object (106) to be imaged and the image sensor and / or by an illumination system.
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