A Time-of-Flight Image Sensor with Sub-mm Resolution Using Draining-Only Modulation Pixels

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  • サブミリメータ分解能を有するTime-of-Flight距離画像センサのための新変調方式の提案(イメージセンサ,カメラ信号処理,画像評価関連技術,及び2013IISWとVLSIシンポジウムからの発表報告)
  • サブミリメータ分解能を有するTime-of-Flight距離画像センサのための新変調方式の提案
  • サブミリメータ ブンカイノウ オ ユウスル Time-of-Flight キョリ ガゾウ センサ ノ タメ ノ シン ヘンチョウ ホウシキ ノ テイアン

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Abstract

This paper describes new TOF measurement technique for high range resolution of the order of sub-mm or several tens of urn. For the distance caliculation, impulse response of photocurrent by means of very short light pulse is used. A draining-only modulation pixel provides high response and loss-free electron integration. The test chip fabricated in 0.11 um CIS technology demonstrates modulation contrast is measured to be 85%. The average range resolution is measured to be 210 urn at measurable range of 50 mm.

Journal

  • ITE Technical Report

    ITE Technical Report 37.40 (0), 13-16, 2013

    The Institute of Image Information and Television Engineers

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