JP2006033672A5 - - Google Patents

Claims (2)

複数の分割画像の一部をオーバラップさせるように合成して１つの画像として曲面上に投映表示する際に、前記複数の分割画像のつなぎ目がなめらかで、かつ輝度が一定な曲面マルチスクリーン投射方法において、
前記複数の分割画像の水平方向における配列順を第１分割画像、第２分割画像、第３分割画像とし、垂直方向の配列順を前記第２分割画像、第４分割画像とするとき、
前記第１乃至第４分割画像を平面上に投映した際の平面画像領域から前記曲面上に投映した際の曲面画像領域を差し引いた領域を除去する第１ステップと、
前記第１、第２分割画像のオーバーラップ領域における前記第１分割画像の端から前記第２分割画像の端に向かって前記第１分割画像の輝度を減衰させ、前記第２分割画像の端から前記第１分割画像の端に向かって前記第２分割画像の輝度を減衰させる第２ステップと、
前記第２、第３分割画像のオーバーラップ領域における前記第２分割画像の端から前記第３分割画像の端に向かって前記第２分割画像の輝度を減衰させ、前記第３分割画像の端から前記第２分割画像の端に向かって前記第３分割画像の輝度を減衰させる第３テップと、
前記第２、第４分割画像のオーバーラップ領域における前記第２分割画像の端から前記第４分割画像の端に向かって前記第２分割画像の輝度を減衰させ、前記第４分割画像の端から前記第２分割画像の端に向かって前記第４分割画像の輝度を減衰させる第４テップと、
からなることを特徴とする曲面マルチスクリーン投射方法。 A curved surface multi-screen projection method in which the joints of the plurality of divided images are smooth and the luminance is constant when combining a part of the plurality of divided images so as to be projected and displayed on a curved surface as one image In
When the arrangement order in the horizontal direction of the plurality of divided images is the first divided image, the second divided image, and the third divided image, and the arrangement order in the vertical direction is the second divided image and the fourth divided image,
A first step of removing an area obtained by subtracting a curved surface image area when projected onto the curved surface from a planar image area when projecting the first to fourth divided images onto the plane;
In the overlap region of the first and second divided images, the brightness of the first divided image is attenuated from the end of the first divided image toward the end of the second divided image, and from the end of the second divided image. A second step of attenuating the brightness of the second divided image toward the edge of the first divided image;
In the overlap region of the second and third divided images, the luminance of the second divided image is attenuated from the end of the second divided image toward the end of the third divided image, and from the end of the third divided image. A third step for attenuating the brightness of the third divided image toward the edge of the second divided image;
The brightness of the second divided image is attenuated from the end of the second divided image in the overlapping region of the second and fourth divided images toward the end of the fourth divided image, and from the end of the fourth divided image. A fourth step for attenuating the brightness of the fourth divided image toward the edge of the second divided image;
A curved multi-screen projection method comprising: 複数の分割画像の一部をオーバラップさせるように合成して１つの画像として曲面上に投映表示する際に、前記複数の分割画像のつなぎ目がなめらかで、かつ輝度が一定な曲面マルチスクリーン投射装置において、
前記複数の分割画像の水平方向における配列順を第１分割画像、第２分割画像、第３分割画像とし、垂直方向の配列順を前記第２分割画像、第４分割画像とするとき、
前記第１乃至第４分割画像を平面上に投映した際の平面画像領域から前記曲面上に投映した際の曲面画像領域を差し引いた領域を除去する第１処理手段と、
前記第１、第２分割画像のオーバーラップ領域における前記第１分割画像の端から前記第２分割画像の端に向かって前記第１分割画像の輝度を減衰させ、前記第２分割画像の端から前記第１分割画像の端に向かって前記第２分割画像の輝度を減衰させる第２処理手段と、
前記第２、第３分割画像のオーバーラップ領域における前記第２分割画像の端から前記第３分割画像の端に向かって前記第２分割画像の輝度を減衰させ、前記第３分割画像の端から前記第２分割画像の端に向かって前記第３分割画像の輝度を減衰させる第３処理手段と、
前記第２、第４分割画像のオーバーラップ領域における前記第２分割画像の端から前記第４分割画像の端に向かって前記第２分割画像の輝度を減衰させ、前記第４分割画像の端から前記第２分割画像の端に向かって前記第４分割画像の輝度を減衰させる第４処理手段と、
からなることを特徴とする曲面マルチスクリーン投射装置。 A curved multi-screen projection device in which a part of a plurality of divided images is synthesized so as to be overlapped and projected on a curved surface as one image, the joints of the plurality of divided images are smooth and the luminance is constant. In
When the arrangement order in the horizontal direction of the plurality of divided images is the first divided image, the second divided image, and the third divided image, and the arrangement order in the vertical direction is the second divided image and the fourth divided image,
First processing means for removing an area obtained by subtracting a curved surface image area when projected onto the curved surface from a planar image area when projecting the first to fourth divided images onto a plane;
In the overlap region of the first and second divided images, the luminance of the first divided image is attenuated from the end of the first divided image toward the end of the second divided image, and from the end of the second divided image. Second processing means for attenuating the brightness of the second divided image toward the edge of the first divided image;
In the overlap region of the second and third divided images, the luminance of the second divided image is attenuated from the end of the second divided image toward the end of the third divided image, and from the end of the third divided image. Third processing means for attenuating the brightness of the third divided image toward the edge of the second divided image;
In the overlap region of the second and fourth divided images, the brightness of the second divided image is attenuated from the end of the second divided image toward the end of the fourth divided image, and from the end of the fourth divided image. Fourth processing means for attenuating the brightness of the fourth divided image toward the edge of the second divided image;
A curved multi-screen projection device comprising: