公开(公告)号：WO1985002512A1

公开(公告)日：1985-06-06

申请号：PCT/US1984000685

申请日：1984-05-01

Applicant: HUGHES AIRCRAFT COMPANY

Inventor： HUGHES AIRCRAFT COMPANY ,  MACAULAY, Malcolm ,  SINGLETON, William, F.

IPC: H04N09/31

CPC classification number: H04N9/3185 ,  H04N3/22 ,  H04N9/3194

Abstract: An image registration system for registering images on a screen (16). A registration pattern (28) is projected on the screen (16) as part of the image to be registered and in a fixed position in that image. Where there are multiple images to be registered with each other on a common screen (16), a sensor apparatus (18, 20) is used for each image. The sensor apparatus (18) has three photodetectors (22, 24, 26) disposed in a right angle relationship which sense the illumination of the associated registration pattern (28). The position of the registration pattern (28) on the screen (16) is determined by comparing the outputs of the three photodetectors (22, 24, 26) to each other. Difference signals (50, 52) are produced by the comparisons and are used to reposition the projected image to bring it into registration. Where multiple images are projected on a common screen (16), the sensor apparatus (18, 20) and image registration patterns are disposed on the screen and in the images respectively in particular positions so that when the associated registration pattern is in register with the associated sensor apparatus (18, 20), the images are in register with each other on the screen (16).

公开(公告)号：WO1994028673A1

公开(公告)日：1994-12-08

申请号：PCT/US1994005309

申请日：1994-05-13

Applicant: HUGHES AIRCRAFT COMPANY

Inventor： HUGHES AIRCRAFT COMPANY ,  MACAULAY, Malcolm

IPC: H04N03/233

CPC classification number: C08L67/02 ,  C08L71/12 ,  H04N3/2335 ,  C08L2666/18 ,  C08L71/00

Abstract: A system for detecting and automatically correcting X-Y errors in displayed image data. In a specific implementation, the invention (6, 10) includes a display driver (12, 14, 16, 4) for commanding the display (2) to display a picture element of an image at a predetermined position on a display screen thereof. The actual position of the displayed picture element is detected (6) and used to calculate a set of correction factors which are used in real time to correct the positioning of picture elements of actual image data (20, 24, 5).

Abstract translation: 用于检测和自动校正显示图像数据中的X-Y错误的系统。 在具体实现中，本发明（6,10）包括用于命令显示器（2）在其显示屏幕上的预定位置处显示图像的图像元素的显示驱动器（12,14,16）。 检测（6）所显示的图像元素的实际位置，并用于计算实时使用的一组校正因子，以校正实际图像数据（20,24,5）的图像元素的定位。

公开(公告)号：EP0165246B1

公开(公告)日：1988-06-29

申请号：EP84902148.0

申请日：1984-05-01

Applicant: Hughes Aircraft Company

Inventor： MACAULAY, Malcolm ,  SINGLETON, William, F.

IPC: H04N9/31 ,  H04N3/22

CPC classification number: H04N9/3185 ,  H04N3/22 ,  H04N9/3194

Abstract: An image registration system for registering images on a screen (16). A registration pattern (28) is projected on the screen (16) as part of the image to be registered and in a fixed position in that image. Where there are multiple images to be registered with each other on a common screen (16), a sensor apparatus (18, 20) is used for each image. The sensor apparatus (18) has three photodetectors (22, 24, 26) disposed in a right angle relationship which sense the illumination of the associated registration pattern (28). The position of the registration pattern (28) on the screen (16) is determined by comparing the outputs of the three photodetectors (22, 24, 26) to each other. Difference signals (50, 52) are produced by the comparisons and are used to reposition the projected image to bring it into registration. Where multiple images are projected on a common screen (16), the sensor apparatus (18, 20) and image registration patterns are disposed on the screen and in the images respectively in particular positions so that when the associated registration pattern is in register with the associated sensor apparatus (18, 20), the images are in register with each other on the screen (16).

公开(公告)号：EP0651929A1

公开(公告)日：1995-05-10

申请号：EP94917371.0

申请日：1994-05-13

Applicant: Hughes Aircraft Company

Inventor： MACAULAY, Malcolm

IPC: B29C45 ,  B29C47 ,  C08L67 ,  C08L71 ,  H04N3 ,  H04N9

CPC classification number: C08L67/02 ,  C08L71/12 ,  H04N3/2335 ,  C08L2666/18 ,  C08L71/00

Abstract: A system for detecting and automatically correcting X-Y errors in displayed image data. In a specific implementation, the invention (6, 10) includes a display driver (12, 14, 16, 4) for commanding the display (2) to display a picture element of an image at a predetermined position on a display screen thereof. The actual position of the displayed picture element is detected (6) and used to calculate a set of correction factors which are used in real time to correct the positioning of picture elements of actual image data (20, 24, 5).

公开(公告)号：EP0165246A1

公开(公告)日：1985-12-27

申请号：EP84902148.0

申请日：1984-05-01

Applicant: Hughes Aircraft Company

Inventor： MACAULAY, Malcolm ,  SINGLETON, William, F.

IPC: H04N3 ,  H04N5 ,  H04N9 ,  H04N17

CPC classification number: H04N9/3185 ,  H04N3/22 ,  H04N9/3194

Abstract: Système de superposition d'images pour superposer et aligner des images sur un écran (16). Un réseau de superposition (28) est projeté sur l'écran (16) en tant que partie de l'image à superposer et dans une position fixe dans ladite image. Lorsqu'il faut superposer de multiples images sur un même écran (16), on utilise un appareil de détection (18, 20) pour chaque image. L'appareil de détection (18) comporte trois photodétecteurs (22, 24, 26) disposés à angle droit, qui détectent l'illumination du réseau de superposition associé (28). On détermine la position du réseau de superposition (28) sur l'écran (16) en comparant les sorties des trois photodétecteurs (22, 24, 26). Des signaux différentiels (50, 52) sont produits par les comparaisons et utilisés pour repositionner l'image projetée afin d'en permettre la superposition. Lorsque l'on projette de multiples images sur un même écran (16), l'appareil de détection (18, 20) et le réseau de superposition d'images sont disposés respectivement sur l'écran et dans les images dans des positions particulières si bien que, lorsque le réseau de superposition associé est en registre avec l'appareil de détection associé (18, 20), les images sont en registre entre elles sur l'écran (16).