JP2002369155A5 - - Google Patents
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- JP2002369155A5 JP2002369155A5 JP2002100417A JP2002100417A JP2002369155A5 JP 2002369155 A5 JP2002369155 A5 JP 2002369155A5 JP 2002100417 A JP2002100417 A JP 2002100417A JP 2002100417 A JP2002100417 A JP 2002100417A JP 2002369155 A5 JP2002369155 A5 JP 2002369155A5
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上記入力画像をｍ（ｍは２以上の整数）フィールド／秒のフィールド周波数を有する第１の飛び越し走査画像とし、該第１の飛び越し走査画像をｍフレーム／秒のフレーム周波数を有する第１の順次走査画像に順次走査変換し、
上記第１の順次走査画像をフレーム単位で間引くことにより、ｎ（ｎは１以上の整数）フレーム／秒のフレーム周波数を有する第２の順次走査画像にフレーム数変換し、
上記第２の順次走査画像を２ｎフィールド／秒のフィールド周波数を有する第２の飛び越し走査画像に飛び越し走査変換し出力する、
ことを特徴とする画像変換方法。An image conversion method for converting an image format of an input image into an image format of a different output image,
The input image is a first interlaced scan image having a field frequency of m (m is an integer of 2 or more) fields / second, and the first interlaced scan image is a first sequential image having a frame frequency of m frames / second. Sequential scan conversion to scan image,
The number of frames is converted into a second sequential scanning image having a frame frequency of n (n is an integer of 1 or more) frames / second by thinning out the first sequential scanning image in units of frames,
The second sequential scanning image is subjected to interlaced scanning conversion to a second interlaced scanning image having a field frequency of 2n fields / second, and is output.
An image conversion method characterized by that.
上記入力画像をｍ（ｍは２以上の整数）フィールド／秒のフィールド周波数を有する第１の飛び越し走査画像とし、該第１の飛び越し走査画像をｍフレーム／秒のフレーム周波数を有する第１の順次走査画像に順次走査変換し、
上記第１の順次走査画像をフレーム単位で繰り返す、または間引くことにより、ｎ（ｎは１以上の整数）フレーム／秒のフレーム周波数を有する第２の順次走査画像にフレーム数変換し出力する、
ことを特徴とする画像変換方法。An image conversion method for converting an image method of an input image into an image method of a different output image,
The input image is a first interlaced scan image having a field frequency of m (m is an integer of 2 or more) fields / second, and the first interlaced scan image is a first sequential image having a frame frequency of m frames / second. Sequential scan conversion to scan image,
By repeating or thinning out the first sequential scanning image in units of frames, the number of frames is converted into a second sequential scanning image having a frame frequency of n (n is an integer of 1 or more) frames / second, and output.
An image conversion method characterized by that.
上記入力画像をｍ（ｍは２以上の整数）フィールド／秒のフィールド周波数を有する第１の飛び越し走査画像とし、該第１の飛び越し走査画像をｍフレーム／秒のフレーム周波数を有する第１の順次走査画像に順次走査変換し、
上記第１の順次走査画像をフレーム単位で繰り返す、または間引くことにより、ｎ（ｎは２以上の整数）フレーム／秒のフレーム周波数を有する第２の順次走査画像にフレーム数変換し、
上記第２の順次走査画像をｎフィールド／秒のフィールド周波数を有する第２の飛び越し走査画像に飛び越し走査変換し、
上記第２の順次走査画像と、上記第２の飛び越し走査画像と、を同時に出力する、
ことを特徴とする画像変換方法。An image conversion method for converting an image method of an input image into an image method of a different output image,
The input image is a first interlaced scan image having a field frequency of m (m is an integer of 2 or more) fields / second, and the first interlaced scan image is a first sequential image having a frame frequency of m frames / second. Sequential scan conversion to scan image,
By repeating or thinning out the first sequential scanning image in units of frames, the number of frames is converted into a second sequential scanning image having a frame frequency of n (n is an integer of 2 or more) frames / second,
The second progressive scan image is interlaced and converted to a second interlaced scan image having a field frequency of n fields / second;
Outputting the second sequential scanning image and the second interlaced scanning image simultaneously;
An image conversion method characterized by that.
上記入力画像をｍ（ｍは２以上の整数）フィールド／秒のフィールド周波数を有する、水平ｈ画素、垂直ｖ画素の画面サイズの第１の飛び越し走査画像とし、該第１の飛び越し走査画像を、ｍフレーム／秒のフレーム周波数を有する、水平ｉ画素、垂直ｗ画素の画面サイズの第１の順次走査画像に順次走査変換し、
上記第１の順次走査画像をフレーム単位で間引くことにより、ｎ（ｎは１以上の整数）フレーム／秒のフレーム周波数を有する、水平ｉ画素、垂直ｗ画素の画面サイズの第２の順次走査画像にフレーム数変換し、
上記第２の順次走査画像を、２ｎフィールド／秒のフィールド周波数を有する、水平ｉ画素、垂直ｗ画素の画面サイズの第２の飛び越し走査画像に飛び越し走査変換し出力する、
ことを特徴とする画像変換方法。An image conversion method for converting an image method of an input image into an image method of a different output image,
The input image is a first interlaced scan image having a screen size of horizontal h pixels and vertical v pixels having a field frequency of m (m is an integer of 2 or more) field / second, and the first interlaced scan image is sequentially scan-converted into a first progressively scanned image having a screen size of horizontal i pixels and vertical w pixels having a frame frequency of m frames / second,
By thinning out the first sequential scanning image in units of frames, a second sequential scanning image having a screen size of horizontal i pixels and vertical w pixels having a frame frequency of n (n is an integer of 1 or more) frames / second. Convert the number of frames to
The second sequential scanning image is subjected to interlace scanning conversion and output to a second interlace scanning image having a screen size of horizontal i pixels and vertical w pixels having a field frequency of 2n fields / second.
An image conversion method characterized by that.
上記入力画像をｍ（ｍは２以上の整数）フィールド／秒のフィールド周波数を有する、水平ｈ画素、垂直ｖ画素の画面サイズの第１の飛び越し走査画像とし、該第１の飛び越し走査画像を、ｍフレーム／秒のフレーム周波数を有する、水平ｉ画素、垂直ｗ画素の画面サイズの第１の順次走査画像に順次走査変換し、
上記第１の順次走査画像をフレーム単位で繰り返す、または間引くことにより、ｎ（ｎは１以上の整数）フレーム／秒のフレーム周波数を有する、水平ｉ画素、垂直ｗ画素の画面サイズの第２の順次走査画像にフレーム数変換し出力する、
ことを特徴とする画像変換方法。An image conversion method for converting an image method of an input image into an image method of a different output image,
The input image is a first interlaced scan image having a screen size of horizontal h pixels and vertical v pixels having a field frequency of m (m is an integer of 2 or more) field / second, and the first interlaced scan image is sequentially scan-converted into a first progressively scanned image having a screen size of horizontal i pixels and vertical w pixels having a frame frequency of m frames / second,
By repeating or thinning out the first progressive scanning image in units of frames, a second screen size of horizontal i pixels and vertical w pixels having a frame frequency of n (n is an integer of 1 or more) frames / second is obtained. Convert the number of frames to a sequentially scanned image and output it.
An image conversion method characterized by that.
上記入力画像をｍ（ｍは２以上の整数）フィールド／秒のフィールド周波数を有する、水平ｈ画素、垂直ｖ画素の画面サイズの第１の飛び越し走査画像とし、該第１の飛び越し走査画像を、ｍフレーム／秒のフレーム周波数を有する、水平ｉ画素、垂直ｗ画素の画面サイズの第１の順次走査画像に順次走査変換し、
上記第１の順次走査画像をフレーム単位で繰り返す、または間引くことにより、ｎ（ｎは２以上の整数）フレーム／秒のフレーム周波数を有する、水平ｉ画素、垂直ｗ画素の画面サイズの第２の順次走査画像にフレーム数変換し、
上記第２の順次走査画像をｎフィールド／秒のフィールド周波数を有する、水平ｉ画素、垂直ｗ画素の画面サイズの第２の飛び越し走査画像に飛び越し走査変換し、
上記第２の順次走査画像と、上記第２の飛び越し走査画像と、を同時に出力する、
ことを特徴とする画像変換方法。An image conversion method for converting an image method of an input image into an image method of a different output image,
The input image is a first interlaced scan image having a screen size of horizontal h pixels and vertical v pixels having a field frequency of m (m is an integer of 2 or more) field / second, and the first interlaced scan image is sequentially scan-converted into a first progressively scanned image having a screen size of horizontal i pixels and vertical w pixels having a frame frequency of m frames / second,
By repeating or thinning out the first sequential scanning image in units of frames, a second screen size of horizontal i pixels and vertical w pixels having a frame frequency of n (n is an integer of 2 or more) frames / second is obtained. Convert the number of frames into a progressively scanned image,
The second progressive scanning image is interlaced and converted into a second interlaced scanning image having a screen size of horizontal i pixels and vertical w pixels having a field frequency of n fields / second,
Outputting the second sequential scanning image and the second interlaced scanning image simultaneously;
An image conversion method characterized by that.
上記入力画像のライン数を上記出力画像の画像方式のライン数にライン数変換し、上記順次走査変換を行う、
ことを特徴とする画像変換方法。The image conversion method according to any one of claims 1 to 6,
The number of lines of the input image is converted to the number of lines of the image method of the output image, and the sequential scanning conversion is performed.
An image conversion method characterized by that.
上記順次走査画像のライン数を出力画像の画像方式のライン数にライン数変換し、上記フレーム数変換を行う、
ことを特徴とする画像変換方法。The image conversion method according to any one of claims 1 to 6,
The number of lines of the progressive scanning image is converted to the number of lines of the image method of the output image, and the number of frames is converted.
An image conversion method characterized by that.
上記順次走査変換を、上記入力画像のライン数を上記出力画像の画像方式のライン数に変換するライン数変換と同時に行う、
ことを特徴とする画像変換方法。The image conversion method according to any one of claims 1 to 6,
The progressive scan conversion is performed simultaneously with the line number conversion for converting the number of lines of the input image into the number of lines of the image method of the output image.
An image conversion method characterized by that.
上記第１の飛び越し走査画像はＰＡＬ方式の画像であり、
上記第２の飛び越し走査画像はＮＴＳＣ方式の画像である、
ことを特徴とする画像変換方法。In the image conversion method according to claim 1, claim 3, claim 4, or claim 6,
The first interlaced scanned image is a PAL image.
The second interlaced scanning image is an NTSC image.
An image conversion method characterized by that.
上記第１の飛び越し走査画像はＰＡＬ方式の画像であり、
上記第２の順次走査画像はＮＴＳＣ方式の画面サイズを有する順次走査画像である、
ことを特徴とする画像変換方法。The image conversion method according to any one of claims 1 to 6,
The first interlaced scanned image is a PAL image.
The second progressive scan image is a progressive scan image having an NTSC screen size.
An image conversion method characterized by that.
上記第１の飛び越し走査画像はＮＴＳＣ方式の画像であり、
上記第２の飛び越し走査画像はＰＡＬ方式の画像である、
ことを特徴とする画像変換方法。In the image conversion method according to claim 1, claim 3, claim 4, or claim 6,
The first interlaced scanned image is an NTSC image,
The second interlaced scanned image is a PAL image.
An image conversion method characterized by that.
上記第１の飛び越し走査画像はＮＴＳＣ方式の画像であり、
上記第２の順次走査画像はＰＡＬ方式の画面サイズを有する順次走査画像である、
ことを特徴とする画像変換方法。The image conversion method according to any one of claims 1 to 6,
The first interlaced scanned image is an NTSC image,
The second sequential scanning image is a sequential scanning image having a PAL screen size.
An image conversion method characterized by that.
上記入力画像の画像方式を判別し、該判別の結果に基づいて上記入力画像の画像変換を行う、
ことを特徴とする画像変換方法。The image conversion method according to any one of claims 1 to 6,
Determining the image format of the input image, and performing image conversion of the input image based on the determination result;
An image conversion method characterized by that.
上記判別の結果、上記入力画像がＮＴＳＣ方式の場合はＰＡＬ方式に画像変換し、上記入力画像がＰＡＬ方式の場合はＮＴＳＣ方式に画像変換する、
ことを特徴とする画像変換方法。The image conversion method according to claim 14, wherein
As a result of the determination, if the input image is NTSC, the image is converted to PAL, and if the input image is PAL, the image is converted to NTSC.
An image conversion method characterized by that.
上記ＰＡＬ方式に変換された画像と、上記ＮＴＳＣ方式に変換された画像と、を同時に出力する、
ことを特徴とする画像変換方法。The image conversion method according to claim 15, wherein
Outputting simultaneously the image converted to the PAL format and the image converted to the NTSC format,
An image conversion method characterized by that.
上記判別の結果、上記入力画像の画像方式が出力画像の画像方式と同じである場合は、該入力画像をそのまま出力画像として出力し、上記入力画像の画像方式が出力画像の画像方式と異なる場合は、該入力画像を出力画像の画像方式に変換する、
ことを特徴とする画像変換方法。The image conversion method according to claim 14, wherein
If the image method of the input image is the same as the image method of the output image as a result of the determination, the input image is output as it is as the output image, and the image method of the input image is different from the image method of the output image Converts the input image into an image format of the output image,
An image conversion method characterized by that.
上記入力画像をｍ（ｍは２以上の整数）フィールド／秒のフィールド周波数を有する第１の飛び越し走査画像とし、該第１の飛び越し走査画像をｍフレーム／秒のフレーム周波数を有する第１の順次走査画像に順次走査変換する順次走査変換器と、
上記第１の順次走査画像をフレーム単位で間引くことにより、ｎ（ｎは１以上の整数）フレーム／秒のフレーム周波数を有する第２の順次走査画像にフレーム数変換するフレーム数変換器と、
上記第２の順次走査画像を２ｎフィールド／秒のフィールド周波数を有する第２の飛び越し走査画像に飛び越し走査変換し出力する飛び越し走査変換器と、を備えた、
ことを特徴とする画像変換装置。An image conversion device that converts an image format of an input image into an image format of a different output image,
The input image is a first interlaced scan image having a field frequency of m (m is an integer of 2 or more) fields / second, and the first interlaced scan image is a first sequential image having a frame frequency of m frames / second. A progressive scan converter for progressive scan conversion to a scanned image;
A frame number converter for converting the number of frames into a second progressively scanned image having a frame frequency of n (n is an integer of 1 or more) frames / second by thinning out the first progressively scanned image in units of frames;
An interlaced scan converter that interlaces and converts the second progressive scan image into a second interlaced scan image having a field frequency of 2n fields / second, and outputs the interlaced scan image.
An image conversion apparatus characterized by that.
上記入力画像をｍ（ｍは２以上の整数）フィールド／秒のフィールド周波数を有する第１の飛び越し走査画像とし、該第１の飛び越し走査画像をｍフレーム／秒のフレーム周波数を有する第１の順次走査画像に順次走査変換する順次走査変換器と、
上記第１の順次走査画像をフレーム単位で繰り返す、または間引くことにより、ｎ（ｎは１以上の整数）フレーム／秒のフレーム周波数を有する第２の順次走査画像にフレーム数変換し出力するフレーム数変換器と、を備えた、
ことを特徴とする画像変換装置。An image conversion device that converts an image format of an input image into an image format of a different output image,
The input image is a first interlaced scan image having a field frequency of m (m is an integer of 2 or more) fields / second, and the first interlaced scan image is a first sequential image having a frame frequency of m frames / second. A progressive scan converter for progressive scan conversion to a scanned image;
By repeating or thinning out the first sequential scanning image in units of frames, the number of frames to be converted into a second sequential scanning image having a frame frequency of n (n is an integer of 1 or more) frames / second and output. A converter, and
An image conversion apparatus characterized by that.
上記入力画像をｍ（ｍは２以上の整数）フィールド／秒のフィールド周波数を有する第１の飛び越し走査画像とし、該第１の飛び越し走査画像をｍフレーム／秒のフレーム周波数を有する第１の順次走査画像に順次走査変換する順次走査変換器と、
上記第１の順次走査画像をフレーム単位で間引くことにより、ｎ（ｎは２以上の整数）フレーム／秒のフレーム周波数を有する第２の順次走査画像にフレーム数変換し出力するフレーム数変換器と、
上記第２の順次走査画像をｎフィールド／秒のフィールド周波数を有する第２の飛び越し走査画像に飛び越し走査変換し、上記第２の順次走査画像と同時に出力する飛び越し走査変換器と、を備えた、
ことを特徴とする画像変換装置。An image conversion device that converts an image format of an input image into an image format of a different output image,
The input image is a first interlaced scan image having a field frequency of m (m is an integer of 2 or more) fields / second, and the first interlaced scan image is a first sequential image having a frame frequency of m frames / second. A progressive scan converter for progressive scan conversion to a scanned image;
A frame number converter for converting the number of frames into a second sequential scanning image having a frame frequency of n (n is an integer of 2 or more) frames / second by thinning out the first sequential scanning image in units of frames; ,
An interlaced scan converter that interlaces and converts the second progressive scan image into a second interlaced scan image having a field frequency of n fields / second, and outputs the interlaced scan image simultaneously with the second progressive scan image.
An image conversion apparatus characterized by that.
上記入力画像をｍ（ｍは２以上の整数）フィールド／秒のフィールド周波数を有する、水平ｈ画素、垂直ｖ画素の画面サイズの第１の飛び越し走査画像とし、該第１の飛び越し走査画像を、ｍフレーム／秒のフレーム周波数を有する、水平ｉ画素、垂直ｗ画素の画面サイズの第１の順次走査画像に順次走査変換する順次走査変換器と、
上記第１の順次走査画像をフレーム単位で間引くことにより、ｎ（ｎは１以上の整数）フレーム／秒のフレーム周波数を有する、水平ｉ画素、垂直ｗ画素の画面サイズの第２の順次走査画像にフレーム数変換するフレーム数変換器と、
上記第２の順次走査画像を、２ｎフィールド／秒のフィールド周波数を有する、水平ｉ画素、垂直ｗ画素の画面サイズの第２の飛び越し走査画像に飛び越し走査変換し出力する飛び越し走査変換器と、を備えた、
ことを特徴とする画像変換装置。An image conversion device that converts an image format of an input image into an image format of a different output image,
The input image is a first interlaced scan image having a screen size of horizontal h pixels and vertical v pixels having a field frequency of m (m is an integer of 2 or more) field / second, and the first interlaced scan image is a progressive scan converter for progressively scan-converting to a first progressive scan image having a screen size of horizontal i pixels and vertical w pixels having a frame frequency of m frames / second;
By thinning out the first sequential scanning image in units of frames, a second sequential scanning image having a screen size of horizontal i pixels and vertical w pixels having a frame frequency of n (n is an integer of 1 or more) frames / second. A frame number converter for converting the number of frames into
An interlaced scan converter for interlaced scanning and converting the second sequential scanned image into a second interlaced scanned image having a screen size of horizontal i pixels and vertical w pixels having a field frequency of 2n fields / second; Prepared,
An image conversion apparatus characterized by that.
上記入力画像をｍ（ｍは２以上の整数）フィールド／秒のフィールド周波数を有する、水平ｈ画素、垂直ｖ画素の画面サイズの第１の飛び越し走査画像とし、該第１の飛び越し走査画像を、ｍフレーム／秒のフレーム周波数を有する、水平ｉ画素、垂直ｗ画素の画面サイズの第１の順次走査画像に順次走査変換する順次走査変換器と、
上記第１の順次走査画像をフレーム単位で繰り返す、または間引くことにより、ｎ（ｎは１以上の整数）フレーム／秒のフレーム周波数を有する、水平ｉ画素、垂直ｗ画素の画面サイズの第２の順次走査画像にフレーム数変換し出力するフレーム数変換器と、を備えた、
ことを特徴とする画像変換装置。An image conversion device that converts an image format of an input image into an image format of a different output image,
The input image is a first interlaced scan image having a screen size of horizontal h pixels and vertical v pixels having a field frequency of m (m is an integer of 2 or more) field / second, and the first interlaced scan image is a progressive scan converter for progressively scan-converting to a first progressive scan image having a screen size of horizontal i pixels and vertical w pixels having a frame frequency of m frames / second;
By repeating or thinning out the first progressive scanning image in units of frames, a second screen size of horizontal i pixels and vertical w pixels having a frame frequency of n (n is an integer of 1 or more) frames / second is obtained. A frame number converter that converts the number of frames into a sequentially scanned image and outputs the frame number;
An image conversion apparatus characterized by that.
上記入力画像をｍ（ｍは２以上の整数）フィールド／秒のフィールド周波数を有する、水平ｈ画素、垂直ｖ画素の画面サイズの第１の飛び越し走査画像とし、該第１の飛び越し走査画像を、ｍフレーム／秒のフレーム周波数を有する、水平ｉ画素、垂直ｗ画素の画面サイズの第１の順次走査画像に順次走査変換する順次走査変換器と、
上記第１の順次走査画像をフレーム単位で繰り返す、または間引くことにより、ｎ（ｎは２以上の整数）フレーム／秒のフレーム周波数を有する、水平ｉ画素、垂直ｗ画素の画面サイズの第２の順次走査画像にフレーム数変換し出力するフレーム数変換器と、
上記第２の順次走査画像をｎフィールド／秒のフィールド周波数を有する、水平ｉ画素、垂直ｗ画素の画面サイズの第２の飛び越し走査画像に飛び越し走査変換し、上記第２の順次走査画像と同時に出力する飛び越し走査変換器と、を備えた、
ことを特徴とする画像変換装置。An image conversion device that converts an image format of an input image into an image format of a different output image,
The input image is a first interlaced scan image having a screen size of horizontal h pixels and vertical v pixels having a field frequency of m (m is an integer of 2 or more) field / second, and the first interlaced scan image is a progressive scan converter for progressively scan-converting to a first progressive scan image having a screen size of horizontal i pixels and vertical w pixels having a frame frequency of m frames / second;
By repeating or thinning out the first progressive scanning image in units of frames, a second screen size of horizontal i pixels and vertical w pixels having a frame frequency of n (n is an integer of 2 or more) frames / second is obtained. A frame number converter for converting and outputting the number of frames to a progressively scanned image;
The second sequential scanning image is interlaced and converted into a second interlaced scanning image having a screen size of horizontal i pixels and vertical w pixels having a field frequency of n fields / second, and simultaneously with the second sequential scanning image. An interlaced scanning converter for outputting,
An image conversion apparatus characterized by that.
上記入力画像の画像方式を判別する判別手段と、
上記入力画像の画像方式が第１の画像方式である場合、第２の画像方式に変換し出力する第１の画像変換手段と、
上記入力画像の画像方式が第２の画像方式である場合、第１の画像方式に変換し出力する第２の画像変換手段と、
上記判別手段の判別の結果に基づいて上記第１の画像変換手段と上記第２の画像変換手段とを切り替える切り替え手段と、を備えた、
ことを特徴とする画像変換装置。 An image conversion device that converts an image format of an input image into an image format of a different output image,
Discrimination means for discriminating an image system of the input image;
When the image format of the input image is the first image format, a first image conversion means for converting to the second image format and outputting;
When the image method of the input image is the second image method, the second image conversion means for converting to the first image method and outputting;
Switching means for switching between the first image conversion means and the second image conversion means based on the determination result of the determination means ;
An image conversion apparatus characterized by that.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002100417A JP2002369155A (en) | 2001-04-02 | 2002-04-02 | Method of converting image and image converter |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001103231 | 2001-04-02 | ||
| JP2001-103231 | 2001-04-02 | ||
| JP2002100417A JP2002369155A (en) | 2001-04-02 | 2002-04-02 | Method of converting image and image converter |
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| JP2002369155A JP2002369155A (en) | 2002-12-20 |
| JP2002369155A5 true JP2002369155A5 (en) | 2005-08-11 |
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| JP2002100417A Withdrawn JP2002369155A (en) | 2001-04-02 | 2002-04-02 | Method of converting image and image converter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3962928B2 (en) | 2003-05-12 | 2007-08-22 | ソニー株式会社 | Image data conversion method, conversion circuit, and imaging apparatus |
| JP4611666B2 (en) * | 2003-06-02 | 2011-01-12 | 三星電子株式会社 | Scan conversion device and scan conversion method |
| WO2006063978A1 (en) | 2004-12-15 | 2006-06-22 | Thomson Licencing | Method and apparatus for processing video image signals |
| JP2009081517A (en) * | 2007-09-25 | 2009-04-16 | Hitachi Kokusai Electric Inc | Image conversion system |
| WO2012023282A1 (en) * | 2010-08-20 | 2012-02-23 | パナソニック株式会社 | Dynamic image transmission device and method therefor, dynamic image reception device and method therefor, and dynamic image transmission/reception device |
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