Pixel-Block Imaging Sensor for Adjustable Subject Resolution
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional imaging devices lack the ability to adjust image resolution, leading to reduced convenience and flexibility in imaging applications.
Innovation Solution
An imaging device with a resolution selection unit that adjusts resolution based on pixel, pixel block, and pixel block unit sizes, and an image signal addition unit that generates signals according to selected resolutions, allowing for flexible image generation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed imaging structure with fixed pixel arrangement is used, then the device structure is simple, but the resolution cannot be adjusted
Solution Approach 1:
The patent applies dynamics by making the imaging structure adjustable between different operational modes. The imaging device can dynamically switch between first imaging mode (using individual pixels) and second imaging mode (using pixel block units), enabling resolution adjustment without changing the physical hardware structure. This resolves the contradiction by providing adaptability through operational flexibility rather than structural complexity.
Solution Approach 2:
The patent implements multi-functionality by designing the imaging element to perform multiple functions: it can operate in first imaging mode for high-resolution imaging using individual pixels, and in second imaging mode for low-resolution imaging using pixel block units. This universal design allows a single device structure to provide multiple resolution options, achieving adaptability without increasing device complexity.
2Ease of operation
If multiple resolution modes are implemented, then convenience is improved, but processing complexity increases
Solution Approach 1:
The patent applies preliminary action by pre-organizing pixels into pixel blocks during the imaging element design phase. The pixel blocks are structurally prepared in advance, allowing the imaging device to switch between resolution modes by simply selecting different readout patterns. This preprocessing of the pixel structure eliminates the need for complex real-time processing when switching resolutions, thereby improving convenience without significantly increasing processing complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables imaging at resolutions tailored to the subject, improving convenience and image quality by allowing for adjustable resolution settings.
Implementation Method 1
photoelectric conversion elements perform photoelectric conversion on incident light from a subject and generate an image signal
Implementation Method 2
an on-chip lens that is arranged in common in the plurality of pixels and that collects the incident light on the plurality of pixels
Data Source
AI summary
Imaging devices with subject image resolution adjustment are disclosed. In one example, an imaging device includes an imaging element, a resolution selection unit, and an image signal addition unit. Pixel blocks are two-dimensionally arranged and include pixels and an on-chip lens. The pixels perform photoelectric conversion on incident light from a subject and generate an image signal. The on-chip lens collects the incident light on the pixels. The resolution selection unit selects a first, second, and third resolutions. The first resolution is in accordance with the size of the pixels. The second resolution is in accordance with the size of the pixel blocks. The third resolution is in accordance with the size of a pixel block unit including adjacent pixel blocks. The image signal addition unit generates a second image signal by adding the generated image signals in accordance with the selected resolution.