JP2015028499A5 - Image processing apparatus, vehicle, and program - Google Patents

Image processing apparatus, vehicle, and program Download PDF

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JP2015028499A5
JP2015028499A5 JP2014228722A JP2014228722A JP2015028499A5 JP 2015028499 A5 JP2015028499 A5 JP 2015028499A5 JP 2014228722 A JP2014228722 A JP 2014228722A JP 2014228722 A JP2014228722 A JP 2014228722A JP 2015028499 A5 JP2015028499 A5 JP 2015028499A5
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deposit information
predetermined time
image processing
processing apparatus
transparent body
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JP6287769B2 (en
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本発明は、画像処理装置、車両、及びプログラムに関する。 The present invention relates to an image processing device, a vehicle , and a program.

本発明は、上記の点に鑑みてなされたものであり、検出感度を向上させた画像処理装置を提供することを課題とする。 SUMMARY An advantage of some aspects of the invention is that it provides an image processing apparatus with improved detection sensitivity.

本画像処理装置は、透明体を介して撮像を行う撮像手段によって得られた画像に基づいて前記透明体に付着する付着物を検出する画像処理装置であって、所定の時間毎に、前記画像のうちの複数の領域の各々において領域別付着物情報を各々算出し、複数の前記領域別付着物情報に基づいて所定の時刻における付着物情報を算出する算出手段と、所定の時刻における付着物情報と前記所定の時刻より前の付着物情報に対して平均化処理を行って、平均付着物情報を算出する平均化処理手段と、を有することを要件とする。 The image processing apparatus is an image processing apparatus that detects an adhering substance adhering to the transparent body based on an image obtained by an imaging unit that performs imaging through a transparent body. Calculating means for calculating deposit information for each region in each of the plurality of regions, and calculating deposit information at a predetermined time based on the plurality of deposit information for each region, and deposits at a predetermined time It is a requirement to have an averaging process means for calculating the average deposit information by performing an averaging process on the information and the deposit information before the predetermined time .

開示の技術によれば、検出感度を向上させた画像処理装置を提供できる。 According to the disclosed technology, an image processing apparatus with improved detection sensitivity can be provided.

Claims (10)

透明体を介して撮像を行う撮像手段によって得られた画像に基づいて前記透明体に付着する付着物を検出する画像処理装置であって、An image processing apparatus that detects an adhering substance adhering to the transparent body based on an image obtained by an imaging unit that performs imaging through a transparent body,
所定の時間毎に、前記画像のうちの複数の領域の各々において領域別付着物情報を各々算出し、複数の前記領域別付着物情報に基づいて所定の時刻における付着物情報を算出する算出手段と、Calculation means for calculating the deposit information for each region in each of the plurality of regions of the image at predetermined time intervals, and calculating the deposit information at a predetermined time based on the plurality of deposit information for each region. When,
所定の時刻における付着物情報と前記所定の時刻より前の付着物情報に対して平均化処理を行って、平均付着物情報を算出する平均化処理手段と、を有する画像処理装置。An image processing apparatus comprising: averaging processing means for performing average processing on the deposit information at a predetermined time and the deposit information before the predetermined time to calculate average deposit information. 前記所定の時刻における付着物情報と前記平均付着物情報との何れかを選択して出力する選択手段を有することを特徴とする請求項１に記載の画像処理装置。The image processing apparatus according to claim 1, further comprising a selection unit that selects and outputs either the deposit information at the predetermined time or the average deposit information. 少なくとも前記所定の時刻における付着物情報と前記平均付着物情報との何れかを、複数の閾値と比較する比較手段を有することを特徴とする請求項１又は２に記載の画像処理装置。The image processing apparatus according to claim 1, further comprising a comparison unit that compares at least one of the deposit information and the average deposit information at the predetermined time with a plurality of threshold values. 前記平均化処理は、移動平均処理又はＩＩＲフィルタによる処理であることを特徴とする請求項１乃至３の何れか１項に記載の画像処理装置。The image processing apparatus according to claim 1, wherein the averaging process is a moving average process or a process using an IIR filter. 透明体を介して撮像を行う撮像手段によって得られた画像に基づいて前記透明体に付着する付着物を検出する画像処理装置であって、An image processing apparatus that detects an adhering substance adhering to the transparent body based on an image obtained by an imaging unit that performs imaging through a transparent body,
所定の時間毎に、前記画像のうちの複数の領域の各々において領域別付着物情報を各々算出し、複数の前記領域別付着物情報を合算して合算付着物情報を算出する算出手段と、Calculating means for calculating the deposit information for each region in each of the plurality of regions of the image, and calculating the summed deposit information by adding the plurality of deposit information for each region at a predetermined time;
所定の時刻における合算付着物情報と所定の時間範囲の合算付着物情報に対して加重平均処理を行って、加重平均値を算出する加重平均処理手段と、を有する画像処理装置。An image processing apparatus comprising: weighted average processing means for performing a weighted average process on the combined deposit information at a predetermined time and the combined deposit information in a predetermined time range to calculate a weighted average value. 所定の時刻における合算付着物情報から前記加重平均値を減算した加重平均差分値を算出する加重平均差分処理手段を有することを特徴とする請求項５に記載の画像処理装置。The image processing apparatus according to claim 5, further comprising a weighted average difference processing unit that calculates a weighted average difference value obtained by subtracting the weighted average value from the combined deposit information at a predetermined time. 前記所定の時間範囲の合算付着物情報は、前記所定の時刻より前の合算付着物情報であることを特徴とする請求項５又は６に記載の画像処理装置。The image processing apparatus according to claim 5, wherein the combined deposit information in the predetermined time range is combined deposit information before the predetermined time. 請求項１乃至７の何れか１項に記載の画像処理装置と、前記撮像手段と、前記透明体としてのフロントガラスを備えること特徴とする車両。A vehicle comprising the image processing device according to claim 1, the imaging unit, and a windshield as the transparent body. コンピュータに、透明体を介して撮像を行う撮像手段によって得られた画像に基づいて前記透明体に付着する付着物を検出させるプログラムであって、A program for causing a computer to detect an adhering substance adhering to the transparent body based on an image obtained by an imaging means for imaging through the transparent body,
所定の時間毎に、前記画像のうちの複数の領域の各々において領域別付着物情報を各々算出させ、複数の前記領域別付着物情報に基づいて所定の時刻における付着物情報を算出させ、For each predetermined time, each of the plurality of regions of the image is calculated for each region of the deposit information, and based on the plurality of region-specific deposit information, the deposit information at a predetermined time is calculated,
所定の時刻における付着物情報と前記所定の時刻より前の付着物情報に対して平均化処理を行って平均付着物情報を算出させるプログラム。A program for calculating average deposit information by performing an averaging process on deposit information at a predetermined time and deposit information before the predetermined time. コンピュータに、透明体を介して撮像を行う撮像手段によって得られた画像に基づいて前記透明体に付着する付着物を検出させるプログラムであって、A program for causing a computer to detect an adhering substance adhering to the transparent body based on an image obtained by an imaging means for imaging through the transparent body,
所定の時間毎に、前記画像のうちの複数の領域の各々において領域別付着物情報を各々算出させ、複数の前記領域別付着物情報を合算して合算付着物情報を算出させ、For each predetermined time, the region-specific deposit information is calculated in each of the plurality of regions of the image, and the plurality of region-specific deposit information is added together to calculate the total deposit information.
所定の時刻における合算付着物情報と所定の時間範囲の合算付着物情報に対して加重平均処理を行って加重平均値を算出させるプログラム。A program for calculating a weighted average value by performing a weighted average process on the combined deposit information at a predetermined time and the combined deposit information in a predetermined time range.
JP2014228722A 2012-07-27 2014-11-11 Image processing apparatus, vehicle, and program Expired - Fee Related JP6287769B2 (en)

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JP2012254331 2012-11-20
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