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    • 64. 发明专利
      JPH0310382A IMAGE FILTERING CIRCUIT 失效
    • IMAGE FILTERING CIRCUIT
    • JPH0310382A
    • 1991-01-17
    • JP14420489
    • 1989-06-08
    • OKI ELECTRIC IND CO LTD
    • YAMAZAKI MASATO , YAMADA YOICHI
    • G06T5/20 , G06T7/60 , G06T9/20
    • PURPOSE:To correctly detect a contour line, etc. by obtaining difference data from a value of a difference of each arbitrary rank of image data brought to ranking to a sorter circuit. CONSTITUTION:When image data of an object picture element and its adjacent picture element are read out from an image data stored in a storage circuit 12 and inputted to a sorter circuit 13, ranking of those data is executed, and the image data of a rank set in advance is outputted from therein. In this case, the image data of the rank set in advance are outputted as one pair of large and small ones, but in its combination, a combination of the maximum value and the minimum value is not contained. A pair of image data of different ranks outputted from this sorter circuit 13 are led to a differentiator 14, a difference of each image data is calculated, and a part in which a density value is varied violently in the image data is extracted. In such a way, a contour line, etc., are extracted correctly.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 68. 发明专利
      JPH01161599A VEHICLE DRIVE SUPPORTING DEVICE 失效
    • VEHICLE DRIVE SUPPORTING DEVICE
    • JPH01161599A
    • 1989-06-26
    • JP32049887
    • 1987-12-18
    • OKI ELECTRIC IND CO LTD
    • YAMADA YOICHI , KUROE SHIGERU , NOSE ISAMU
    • G08G1/16 , B60R21/00 , B60W30/00 , G01S13/88
    • PURPOSE:To display information only when the information is required so as to secure the safety of car drive by detecting the operation of a direction indicator and displaying only the information regarding the obstacle in the driving direction. CONSTITUTION:A sensor section 11 is composed of sensors SS1 and SS2 which detect obstacles on both right and left sides of a vehicle and sensors CS1 and CS2 which detect obstacles behind the car on both sides. The detect output outputted from the sensor section 11 is supplied to an obstacle detecting section 13. The detecting section 13 constituting a calculating means together with a degree-of-danger calculating section 14 calculates presence/absence, scale, distance, etc., of an obstacle from the detect output of the sensor section 11 and outputs the calculated results to the calculating section 14. On the other hand, a sensor 15 detects the operation of the direction indicator of the vehicle and supplies the detected results to the calculating section 14. The section 14 calculates the degree of danger from the output of the detecting section 13 and a degree-of-danger displaying section 16 which works as a displaying means makes a display corresponding to the calculated degree of danger so as to inform the driver of the degree of danger.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
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