Surgical Exposure Control Correcting Luminance Unevenness

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Solution Overview

Problem

Existing exposure control technologies for biological images do not adequately account for luminance unevenness caused by optical systems, leading to inaccurate exposure control and degraded image quality.

Innovation Solution

A surgical controlling device and method that corrects luminance detection values based on information about the identified surgical optical device, specifically addressing luminance unevenness to perform exposure control independently of optical system characteristics.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If exposure control is performed based on angle-of-view information of an optical system, then exposure control can be implemented, but luminance unevenness arising from optical system characteristics cannot be sufficiently corrected

Engineering Contradiction:

Improveexposure control accuracyVSAvoidimage quality

Core Design Contradiction:

Measurement precisionVSReliability

Solution Approach 1:

The system performs preliminary identification of the surgical optical device and retrieves its characteristic information before exposure control is executed. This allows the exposure control to be based on accurate device-specific parameters rather than generic angle-of-view information, thereby correcting luminance unevenness and improving both measurement precision and reliability

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system changes the parameters used for exposure control from generic angle-of-view information to specific characteristics of the identified surgical optical device. This parameter change enables accurate correction of luminance unevenness while maintaining exposure control functionality

Inventive Principle:

Principle #35Parameter changes

2Ease of manufacture

If generic exposure control methods are used, then implementation is simple, but accuracy is degraded due to optical system characteristics

Engineering Contradiction:

Improveimplementation simplicityVSAvoidexposure control accuracy

Core Design Contradiction:

Ease of manufactureVSMeasurement precision

Solution Approach 1:

The system maintains a database of characteristics for multiple types of surgical optical devices and can automatically identify and adapt to the specific device being used. This universal approach allows the system to handle different device types with a single implementation framework, preserving simplicity while achieving device-specific accuracy through automatic identification and parameter retrieval

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS11523729B2Surgical controlling device, control method, and surgical system

Publication Date: 2022.12.13 SONY GROUP CORP

AI summary

There is provided a surgical controlling device including an exposure controlling section that performs exposure control based on a luminance detection value detected from a biological image, in which the exposure controlling section corrects, on the basis of information regarding an identified surgical optical device, the luminance detection value so as to correct luminance unevenness arising from the surgical optical device. Further, there is provided a control method including performing, by a processor, exposure control based on a luminance detection value detected from a biological image, in which the performing the exposure control further includes correcting the luminance detection value so as to correct, based on information regarding an identified surgical optical device, luminance unevenness arising from the surgical optical device.