Single-Chip Imaging Output for Compact Image and Metadata Transfer
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Solution Overview
Problem
Conventional imaging devices with chip connections using bumps result in increased thickness and size, and users require both image data and associated metadata, necessitating a solution for compact output of relevant information.
Innovation Solution
A single-chip imaging device with a signal processing unit and output interface that selectively outputs image data and processing results, allowing for compact size and efficient metadata transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If chips are connected using bumps to construct an imaging device, then signal processing capability is improved, but the thickness and size of the device increase
Solution Approach 1:
The patent merges the imaging function and signal processing function into a single integrated chip structure. The signal processing unit is formed in the same semiconductor substrate as the pixel array, eliminating the need for separate chips connected by bumps. This integration maintains signal processing capability while dramatically reducing device thickness and size.
2Loss of information
If all captured image data is output, then complete image information is provided, but data transmission load increases
Solution Approach 1:
The signal processing unit extracts only the necessary information from the captured image data before output. Instead of transmitting all raw pixel data, the device processes the image on-chip and outputs only relevant results such as object detection outcomes, extracted features, or selectively processed image portions. This extraction principle reduces data transmission load while maintaining the completeness of useful information.
Solution Approach 2:
The signal processing unit performs preliminary processing of the captured image data before it leaves the imaging device. By conducting signal processing operations such as noise reduction, feature extraction, or object recognition within the imaging chip itself, the device prepares the data in advance, reducing the burden on external processing systems and minimizing the amount of data that needs to be transmitted.
Data Source
AI summary
The present technology relates to an imaging device and an electronic device that enable construction of an imaging device that outputs information required by a user with a small size. A single-chip imaging device includes: an imaging unit in which a plurality of pixels is arranged two-dimensionally and that captures an image; a signal processing unit that performs signal processing using a captured image output from the imaging unit; an output I/F that outputs a signal processing result of the signal processing and the captured image to an outside; and an output control unit that performs output control of selectively outputting the signal processing result of the signal processing and the captured image from the output I/F to the outside. The present technology can be applied to, for example, an imaging device that captures an image.