US Patent Application 18320783. DISTANCE IMAGE GENERATION DEVICE AND DISTANCE IMAGE GENERATION METHOD simplified abstract

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DISTANCE IMAGE GENERATION DEVICE AND DISTANCE IMAGE GENERATION METHOD

Organization Name

CANON KABUSHIKI KAISHA==Inventor(s)==

[[Category:HIDEYUKI Ito of Kanagawa (JP)]]

DISTANCE IMAGE GENERATION DEVICE AND DISTANCE IMAGE GENERATION METHOD - A simplified explanation of the abstract

This abstract first appeared for US patent application 18320783 titled 'DISTANCE IMAGE GENERATION DEVICE AND DISTANCE IMAGE GENERATION METHOD

Simplified Explanation

The patent application describes a device that generates distance images using a combination of one-bit and multi-bit signals.

  • The device includes an acquisition unit that captures micro-frames of incident light using a one-bit signal.
  • These micro-frames are then synthesized by a synthesis unit to generate a sub-frame using a multi-bit signal.
  • The synthesis unit combines multiple micro-frames acquired at different periods to create the sub-frame.
  • In each ranging frame period, the synthesis unit generates a first sub-frame and a second sub-frame, which are used to generate a single distance image.
  • The number of micro-frames synthesized to create the first sub-frame is different from the number used for the second sub-frame.


Original Abstract Submitted

A distance image generation device including an acquisition unit configured to acquire a micro-frame constituted by a one-bit signal based on incident light to a photoelectric conversion element, and a synthesis unit configured to generate a sub-frame constituted by a multi-bit signal by synthesizing a plurality of the micro-frames acquired in different periods from each other. In one ranging frame period, the synthesis unit generates a first sub-frame and a second sub-frame, used for generating one distance image. The number of the plurality of micro-frames synthesized when generating the first sub-frame and the number of the plurality of micro-frames synthesized when generating the second sub-frame are different from each other.

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