公开(公告)号：US5583575A

公开(公告)日：1996-12-10

申请号：US272323

申请日：1994-07-08

申请人： Eiji Arita ,  Hiroyuki Nakayama ,  Yoshiki Mizutani ,  Masahiko Nakamura ,  Tomohiro Ushio ,  Shigehiro Tamaki ,  Toshiya Adachi

发明人： Eiji Arita ,  Hiroyuki Nakayama ,  Yoshiki Mizutani ,  Masahiko Nakamura ,  Tomohiro Ushio ,  Shigehiro Tamaki ,  Toshiya Adachi

IPC分类号： H04N7/01

CPC分类号： H04N7/0137 ,  H04N7/0125

摘要： An image reproduction apparatus which converts a sampling frequency from a first frequency to a second frequency, performs interfield interpolation at a third frequency, and converts the sampling frequency from the third frequency to the first frequency, wherein the interfield-interpolation is performed at the first frequency between signals one field apart from each other. The apparatus also converts a number of vertical scanning lines to convert a high definition TV signal of the MUSE format to a signal of NTSC format, sets a scanning period used in the vertical scanning line conversion, and generates a coefficient used in the vertical scanning line conversion.

摘要翻译： 一种将采样频率从第一频率转换为第二频率的图像再现装置，以第三频率执行场间插值，并将采样频率从第三频率转换为第一频率，其中，在第一频率处进行场间插值 信号之间的频率彼此相隔一个场。 该装置还转换多条垂直扫描线，将MUSE格式的高分辨率TV信号转换为NTSC格式的信号，设置垂直扫描线转换中使用的扫描周期，并产生在垂直扫描行中使用的系数 转换。

公开(公告)号：US5583581A

公开(公告)日：1996-12-10

申请号：US493700

申请日：1995-06-22

申请人： Toshiya Adachi ,  Miki Fukada

发明人： Toshiya Adachi ,  Miki Fukada

IPC分类号： H04N3/23 ,  H04N3/233 ,  H04N3/22

CPC分类号： H04N3/2335

摘要： A deflection distortion correcting circuit which produces a predetermined parabolic wave as an output of an integration circuit previously correcting data used for producing the parabolic wave.

摘要翻译： 一种偏转失真校正电路，其产生预定的抛物线波作为预先校正用于产生抛物线波的数据的积分电路的输出。

公开(公告)号：US5712659A

公开(公告)日：1998-01-27

申请号：US383009

申请日：1995-02-03

申请人： Toshiya Adachi

发明人： Toshiya Adachi

IPC分类号： H04N5/202 ,  H04N9/69

CPC分类号： H04N9/69

摘要： The video signal data of one of the three primary color signals having the maximum level is adjusted with regard to the amplitude level and the DC level thereof in accordance with a predetermined control data. A difference between the adjusted video signal data and a predetermined threshold level is calculated, and the control data is corrected by ones complement of the differential data. The video signal data of the three primary color signals are adjusted respectively, with regard to the amplitude level and DC level thereof in accordance with the corrected control data. In other words, merely with respect to the digital video signal data with the maximum level, the control and brightness controls are conducted. Then, a difference between the resultant video signal data and a predetermined threshold level is obtained for adjusting the respective contrast levels of the three primary color signals by using ones complement of the obtained differential data.

摘要翻译： 根据预定的控制数据，调整具有最大电平的三个原色信号中的一个的视频信号相对于幅度电平和其直流电平。 计算调整后的视频信号数据与预定阈值电平之间的差异，并通过差分数据的补码校正控制数据。 根据校正的控制数据，分别调整三原色信号的视频信号的幅度电平和DC电平。 换句话说，仅仅对于具有最大电平的数字视频信号数据，进行控制和亮度控制。 然后，通过使用所获得的差分数据的一个补码，获得所得到的视频信号数据和预定阈值电平之间的差，以调整三个原色信号的各个对比度电平。

公开(公告)号：US5325133A

公开(公告)日：1994-06-28

申请号：US954765

申请日：1992-09-30

申请人： Toshiya Adachi

发明人： Toshiya Adachi

IPC分类号： A61B3/113 ,  A61B3/12 ,  A61B3/14

CPC分类号： G06K9/00604 ,  A61B3/113 ,  G06K9/0061

摘要： A device for measuring a retina reflected light amount is provided with a light source for emitting a infrared ray, an image pick-up unit for receiving the infrared ray from a light emitting range at the same position as the light source, a reading unit for reading a pupil area from a face image picked up by the image pick-up unit, and an integrating unit for integrating an amount of light represented by signals which are generated by the image pick-up unit and are located at addresses within the read pupil area. This device is applicable to a gaze detecting apparatus, and provides data which can be used in medical and psychological fields.

摘要翻译： 用于测量视网膜反射光量的装置设置有用于发射红外线的光源，用于从与光源相同位置的发光范围接收红外线的图像拾取单元，用于 从由图像拾取单元拾取的面部图像读取瞳孔区域，以及积分单元，用于对由图像拾取单元生成并位于所读取的瞳孔内的地址处的信号所表示的光量进行积分 区。 该装置适用于注视检测装置，并提供可用于医疗和心理领域的数据。