Infrared Image Capture with Dynamic Color Palette Conversion
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Solution Overview
Problem
Infrared image capturing technologies face challenges in reproducing images with adjustable color palettes, leading to decreased user convenience due to limitations in adjusting image quality parameters without color information, especially in index color methods used for infrared imaging.
Innovation Solution
An image capturing apparatus with an image capturing unit, a holding unit for multiple color palettes, and a conversion unit that determines and applies the appropriate color palette for displaying infrared images, allowing users to select and apply desired color palettes for improved image visibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If only developed image data is internally stored in a network camera, then storage efficiency is improved, but image visibility and user convenience deteriorate because the color palette cannot be changed based on capturing environment or subject
Solution Approach 1:
The patent segments image data into two types: developed image data (compressed and stored) and raw data (temporarily stored). This segmentation allows the system to store only essential developed data while retaining raw data temporarily for palette conversion, thus improving storage efficiency while maintaining user convenience for palette changes.
Solution Approach 2:
The patent performs preliminary conversion of raw data to developed image data using multiple color palettes before storage. By pre-converting data with different palettes, the system enables users to select and view images with different color representations without requiring additional raw data processing, thus maintaining user convenience while optimizing storage.
2Quantity of substance
If index color method is used for infrared imaging, then data compression is improved, but image quality adjustment deteriorates because index values have no concept of brightness or contrast
Solution Approach 1:
The patent changes the parameter representation by maintaining raw data that can be converted to different color palettes. Instead of storing fixed index values, the system stores raw data that can be dynamically converted to various color representations (e.g., different palettes like palette1, palette2), enabling image quality adjustment while maintaining compression efficiency through selective conversion.
3Adaptability or versatility
If multiple color palettes are stored and processed, then image visibility and adaptability are improved, but device complexity increases
Solution Approach 1:
The patent performs preliminary conversion of raw data to multiple developed image data versions with different color palettes before storage. By pre-processing and storing multiple palette versions, the system reduces runtime complexity when users need to switch palettes, as the conversion work is already done and stored data can be directly retrieved and displayed.
Data Source
AI summary
An image capturing apparatus includes an image capturing unit configured to capture an infrared image and generate image data, a holding unit configured to hold a plurality of color palettes, a conversion unit configured to convert the image data into image data for display based on a the color palette of the plurality of color palettes; and a determination unit configured to determine, from among the plurality of color palettes, the color palette that is to be used by the conversion unit.