Display control device and display control method
A display control and display device technology, applied in transportation and packaging, arrangement of accessories on the dashboard, optics, etc., can solve problems such as discomfort, user visual fatigue, and users cannot see three-dimensional images, and achieve the effect of suppressing ghosting Effect
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Embodiment approach 1
[0048] In Embodiment 1, firstly, the depth distance of the stereoscopic image is adjusted according to the binocular disparity value of the left and right eyes. However, when the binocular disparity value is too large, ghosting will occur, so there is a limit to the range of the depth distance that can be adjusted by the binocular disparity value. This limit exists on both the far side and the near side seen by the user. Therefore, in Embodiment 1, when the depth distance that can be adjusted by the binocular parallax value is exceeded, the size of the stereoscopic image is further changed in addition to the adjustment of the binocular parallax value. For example, when it is desired to display a stereoscopic image on the far side, it is displayed in a reduced size. Conversely, when it is desired to display the stereoscopic image on the near side, enlarged display is performed. This takes advantage of the fact that people recognize small objects as being far away and large ob...
Embodiment approach 2
[0181] In Embodiment 1, an example was described in which the binocular parallax value obtained based on the first characteristic line is limited by at least one of the far side parallax upper limit value and the near side parallax upper limit value.
[0182] In contrast, in Embodiment 2, as Figure 16 As shown, the farther the depth distance is, the closer the binocular disparity value is to the upper limit value P of the far side disparity MAX The second characteristic line of , to get the binocular disparity value. In addition, in Embodiment 2, the case where the HUD display area is set is also demonstrated. In addition, setting the HUD display area can also be performed in the first embodiment. On the contrary, although the case of setting the HUD display area was described in the second embodiment, it is not necessary to set the HUD display area in the second embodiment.
[0183] Figure 14 It is a functional block diagram showing main parts of the display control dev...
Embodiment approach 3
[0229] In Embodiment 1 and Embodiment 2 described above, descriptions have been made on the premise that the user's bird's-eye view angle remains unchanged at a preset reference bird's-eye view angle. In Embodiment 3, considering the change of the user's overlooking angle, the optical system and the display method are adjusted according to the user's overlooking angle, so that the displayed object looks like it is in the same position as when viewed from the reference overlooking angle. In addition, Embodiment 3 can be applied to Embodiment 1 or Embodiment 2.
[0230] Figure 21 It is an explanatory diagram showing the relationship between the top view angle and the display device. Here, the top view angle refers to an angle θ at which the user looks down on the display device at 0 degrees with respect to the horizontal direction. The main reason for the change in the viewing angle is the height of the user's eyes and the positional relationship between the image for stereosc...
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