JP2000354244A5 - - Google Patents

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JP2000354244A5
JP2000354244A5 JP1999165941A JP16594199A JP2000354244A5 JP 2000354244 A5 JP2000354244 A5 JP 2000354244A5 JP 1999165941 A JP1999165941 A JP 1999165941A JP 16594199 A JP16594199 A JP 16594199A JP 2000354244 A5 JP2000354244 A5 JP 2000354244A5
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frame
orthogonal transformation
transformation coefficient
pixels
blocks
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JP1999165941A
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JP2000354244A (en
JP4095204B2 (en
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Priority claimed from JP16594199A external-priority patent/JP4095204B2/en
Priority to JP16594199A priority Critical patent/JP4095204B2/en
Priority to US09/434,378 priority patent/US6804419B1/en
Priority to CA002289053A priority patent/CA2289053C/en
Priority to EP19990308897 priority patent/EP1001374A3/en
Priority to AU58374/99A priority patent/AU777493B2/en
Publication of JP2000354244A publication Critical patent/JP2000354244A/en
Publication of JP2000354244A5 publication Critical patent/JP2000354244A5/ja
Publication of JP4095204B2 publication Critical patent/JP4095204B2/en
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【特許請求の範囲】
【請求項1】 互いに連続する第1のフレーム及び第2のフレームを入力する入力手段と、
該第1のフレーム内のN×N画素のブロックを直交変換することで得られた直交変換係数の一部及び該第2のフレーム内のN×N画素のp個(p≧1)のブロックを直交変換することで得られた直交変換係数の一部から、N×Nの新たな直交変換係数を生成し、該新たな直交変換係数に基づいて補間画像を生成する合成手段と、
前記補間画像及び該第2のフレームを用いて該第1のフレーム及び該第2のフレームよりも高い高解像度の画像を形成する生成手段とを備えることを特徴とする画像処理装置。
【請求項2】 前記第1のフレーム内のN×N画素のブロックを直交変換することで得られた直交変換係数の一部は高周波成分であり、前記第2のフレーム内のN×N画素のp個のブロックを直交変換することで得られた直交変換係数の一部は低周波成分であることを特徴とする請求項1に記載の画像処理装置。
【請求項3】 前記合成手段は、前記p個のブロックを直交変換することで得られたp個の直交変換係数の低周波領域から1つの合成された低周波領域を算出することを特徴とする請求項1に記載の画像処理装置。
【請求項4】 前記pは4であり、前記第2のフレーム内のN×N画素のp個(p≧1)のブロックを直交変換することで得られた直交変換係数は、前記第2のフレーム内のN×N画素の第1のブロックの直交変換係数並びに該第1のブロックを左右及び/又は上下1画素ずらせた第2、第3及び第4のブロックの直交変換係数を合成することで得られることを特徴とする請求項1に記載の画像処理装置。
【請求項5】 さらに、前記第1のフレームと前記第2のフレームとの相対位置を検出する検出手段を備え、前記p個のブロックは、該相対位置に基づいて得られることを特徴とする前記請求項1に記載の画像処理装置。
【請求項6】 前記合成手段は前記合成された直交変換係数を逆直交変換して補間画像を生成することを特徴とする請求項1に記載の画像処理装置。
【請求項7】 互いに連続する第1のフレーム及び第2のフレームを入力する入力工程と、
該第1のフレーム内のN×N画素のブロックを直交変換することで得られた直交変換係数の一部及び該第2のフレーム内のN×N画素のp個(p≧1)のブロックを直交変換することで得られた直交変換係数の一部から、N×Nの新たな直交変換係数を生成し、該新たな直交変換係数に基づいて補間画像を生成する合成工程と、
前記補間画像及び該第2のフレームを用いて該第1のフレーム及び該第2のフレームよりも高い高解像度の画像を形成する生成工程とを備えることを特徴とする画像処理方法。
【請求項8】 コンピュータに、
互いに連続する第1のフレーム及び第2のフレームを入力する入力手順と、
該第1のフレーム内のN×N画素のブロックを直交変換することで得られた直交変換係数の一部及び該第2のフレーム内のN×N画素のp個(p≧1)のブロックを直交変換することで得られた直交変換係数の一部から、N×Nの新たな直交変換係数を生成し、該新たな直交変換係数に基づいて補間画像を生成する合成手順と、
前記補間画像及び該第2のフレームを用いて該第1のフレーム及び該第2のフレームよりも高い高解像度の画像を形成する生成手順とを実行させるためのプログラムを記録したことを特徴とするコンピュータ読み取り可能な記録媒体。
[Claims]
1. An input means for inputting a first frame and a second frame that are continuous with each other.
A part of the orthogonal transformation coefficient obtained by orthogonally converting the blocks of N × N pixels in the first frame and p blocks (p ≧ 1) of N × N pixels in the second frame. A synthesis means that generates a new orthogonal transformation coefficient of N × N from a part of the orthogonal transformation coefficients obtained by orthogonal transformation of, and generates an interpolated image based on the new orthogonal transformation coefficient.
An image processing apparatus comprising the interpolated image and a generation means for forming a high-resolution image higher than the first frame and the second frame by using the second frame.
2. A part of the orthogonal transformation coefficient obtained by orthogonally converting a block of N × N pixels in the first frame is a high frequency component, and the N × N pixels in the second frame. The image processing apparatus according to claim 1, wherein a part of the orthogonal transformation coefficients obtained by orthogonally converting the p blocks of the above is a low frequency component.
3. The synthesis means is characterized in that one synthesized low frequency region is calculated from a low frequency region of p orthogonal conversion coefficients obtained by orthogonally converting the p blocks. The image processing apparatus according to claim 1.
4. The orthogonal conversion coefficient obtained by orthogonally converting p (p ≧ 1) blocks of N × N pixels in the second frame is the second. The orthogonal transformation coefficient of the first block of N × N pixels in the frame and the orthogonal transformation coefficient of the second, third, and fourth blocks in which the first block is shifted left and right and / or up and down by one pixel are combined. The image processing apparatus according to claim 1, wherein the image processing apparatus can be obtained.
5. Further, a detection means for detecting a relative position between the first frame and the second frame is provided, and the p blocks are obtained based on the relative position. The image processing apparatus according to claim 1.
6. The image processing apparatus according to claim 1, wherein the synthesizing means inversely orthogonally transforms the synthesized orthogonal transformation coefficients to generate an interpolated image.
7. An input step of inputting a first frame and a second frame that are continuous with each other.
A part of the orthogonal transformation coefficient obtained by orthogonally converting the blocks of N × N pixels in the first frame and p blocks (p ≧ 1) of N × N pixels in the second frame. A new orthogonal transformation coefficient of N × N is generated from a part of the orthogonal transformation coefficients obtained by orthogonal transformation, and an interpolated image is generated based on the new orthogonal transformation coefficient.
An image processing method comprising a generation step of forming an image having a higher resolution than the first frame and the second frame by using the interpolated image and the second frame.
8. To a computer
An input procedure for inputting a first frame and a second frame that are continuous with each other,
A part of the orthogonal transformation coefficient obtained by orthogonally converting the blocks of N × N pixels in the first frame and p blocks (p ≧ 1) of N × N pixels in the second frame. A new orthogonal transformation coefficient of N × N is generated from a part of the orthogonal transformation coefficients obtained by orthogonal transformation, and an interpolated image is generated based on the new orthogonal transformation coefficient.
It is characterized in that a program for executing a generation procedure for forming a high-resolution image higher than the first frame and the second frame by using the interpolated image and the second frame is recorded. A computer-readable recording medium.

【0021】
【課題を解決するための手段】
本発明に係る画像処理装置は、互いに連続する第1のフレーム及び第2のフレームを入力する入力手段と、該第1のフレーム内のN×N画素のブロックを直交変換することで得られた直交変換係数の一部及び該第2のフレーム内のN×N画素のp個(p≧1)のブロックを直交変換することで得られた直交変換係数の一部から、N×Nの新たな直交変換係数を生成し、該新たな直交変換係数に基づいて補間画像を生成する合成手段と、前記補間画像及び該第2のフレームを用いて該第1のフレーム及び該第2のフレームよりも高い高解像度の画像を形成する生成手段とを備えることを特徴とする。
0021.
[Means for solving problems]
The image processing apparatus according to the present invention is obtained by orthogonally converting an input means for inputting a first frame and a second frame that are continuous with each other and a block of N × N pixels in the first frame. A new N × N is obtained from a part of the orthogonal transformation coefficient and a part of the orthogonal transformation coefficient obtained by orthogonally converting p (p ≧ 1) blocks of N × N pixels in the second frame. Orthogonal conversion coefficient is generated, and an interpolated image is generated based on the new orthogonal transformation coefficient, and the interpolated image and the second frame are used from the first frame and the second frame. It is also characterized in that it is provided with a generation means for forming a high-resolution image.

また、本発明に係る画像処理方法は、互いに連続する第1のフレーム及び第2のフレームを入力する入力工程と、該第1のフレーム内のN×N画素のブロックを直交変換することで得られた直交変換係数の一部及び該第2のフレーム内のN×N画素のp個(p≧1)のブロックを直交変換することで得られた直交変換係数の一部から、N×Nの新たな直交変換係数を生成し、該新たな直交変換係数に基づいて補間画像を生成する合成工程と、前記補間画像及び該第2のフレームを用いて該第1のフレーム及び該第2のフレームよりも高い高解像度の画像を形成する生成工程とを備えることを特徴とする。 Further, the image processing method according to the present invention is obtained by orthogonally converting an input step of inputting a first frame and a second frame that are continuous with each other and a block of N × N pixels in the first frame. N × N from a part of the obtained orthogonal transformation coefficient and a part of the orthogonal transformation coefficient obtained by orthogonally converting p (p ≧ 1) blocks of N × N pixels in the second frame. A synthesis step of generating a new orthogonal transformation coefficient of the above and generating an interpolated image based on the new orthogonal transformation coefficient, and the first frame and the second frame using the interpolated image and the second frame. It is characterized by including a generation step of forming a high-resolution image higher than a frame.

JP16594199A 1998-11-10 1999-06-11 Image processing apparatus, method, and computer-readable storage medium Expired - Fee Related JP4095204B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP16594199A JP4095204B2 (en) 1999-06-11 1999-06-11 Image processing apparatus, method, and computer-readable storage medium
US09/434,378 US6804419B1 (en) 1998-11-10 1999-11-08 Image processing method and apparatus
CA002289053A CA2289053C (en) 1998-11-10 1999-11-08 Image processing method and apparatus
AU58374/99A AU777493B2 (en) 1998-11-10 1999-11-09 Image processing method and apparatus
EP19990308897 EP1001374A3 (en) 1998-11-10 1999-11-09 Image processing method and apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16594199A JP4095204B2 (en) 1999-06-11 1999-06-11 Image processing apparatus, method, and computer-readable storage medium

Publications (3)

Publication Number Publication Date
JP2000354244A JP2000354244A (en) 2000-12-19
JP2000354244A5 true JP2000354244A5 (en) 2006-07-20
JP4095204B2 JP4095204B2 (en) 2008-06-04

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7729563B2 (en) 2002-08-28 2010-06-01 Fujifilm Corporation Method and device for video image processing, calculating the similarity between video frames, and acquiring a synthesized frame by synthesizing a plurality of contiguous sampled frames
JP4701598B2 (en) * 2003-01-07 2011-06-15 セイコーエプソン株式会社 Still image generating apparatus, still image generating method, still image generating program, and recording medium on which still image generating program is recorded
JP4429816B2 (en) * 2004-06-10 2010-03-10 オリンパス株式会社 Imaging apparatus and method for increasing image resolution
JP4039423B2 (en) * 2004-12-14 2008-01-30 日産自動車株式会社 Edge position calculation device, obstacle detection system
WO2007122838A1 (en) * 2006-04-25 2007-11-01 National University Corporation NARA Institute of Science and Technology Super-resolution method based on hierarchy bayes approach and super-resolution program
JP5041141B2 (en) * 2006-05-08 2012-10-03 富士ゼロックス株式会社 Image processing apparatus, image enlarging apparatus, image encoding apparatus, image decoding apparatus, image processing system, and program
US8913833B2 (en) 2006-05-08 2014-12-16 Fuji Xerox Co., Ltd. Image processing apparatus, image enlarging apparatus, image coding apparatus, image decoding apparatus, image processing system and medium storing program
WO2007132397A2 (en) * 2006-05-09 2007-11-22 Koninklijke Philips Electronics N.V. Up-scaling
CN109814733B (en) * 2019-01-08 2022-11-08 百度在线网络技术(北京)有限公司 Input-based recommendation information generation method and device

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