Stereoscopic display device, method for generating image data for stereoscopic display, and program therefor

A stereoscopic display image data generating method used for a stereoscopic display device, comprising:

• a stereoscopic display panel including a display panel section having a plurality of unit pixels and an image distributing section for distributing and outputting visual recognition image data sent out from the display panel section as visual recognition stereoscopic image information towards outside;
• a display panel driving section which drives the display panel section of the stereoscopic display panel according to 3D image data;
• and a stereoscopic image generating module including a main arithmetic operation controller which controls actions of the display panel driving section and generates 3D image data for driving the display panel based on three-dimensional data containing depth information specified in advance, wherein:
• a temperature sensor provided in advance to the stereoscopic image generating module detects temperatures of the image distributing section, and a deformation amount calculating section provided in advance to the main arithmetic operation controller calculates a temperature difference ΔT between the detected temperature of the image distributing section and a reference temperature set in advance;
• a temperature difference judging section provided in advance to the main arithmetic operation controller compares the calculated temperature difference ΔT and a reference value ΔTth set separately in advance by their absolute values and, in a case of |ΔT|>|ΔTth|, judges that it is necessary to perform correction regarding a parallax amount specified on the x-axis of the 3D image data;
• the main arithmetic operation controller performs rendering processing on the three-dimensional data as it is when it is judged by the judgment of correction necessity as |ΔT|≦|ΔTth| and that the correction is unnecessary;
• and
• the main arithmetic operation controller generates 3D image data for driving the display panel based on the rendering-processed parallax images.

A stereoscopic display image data generating method used for a stereoscopic display device, comprising:

• a stereoscopic display panel including a display panel section having a plurality of unit pixels and an image distributing section for distributing and outputting visual recognition image data sent out from the display panel section as visual recognition stereoscopic image information towards outside;
• a display panel driving section which drives the display panel section of the stereoscopic display panel;
• and a stereoscopic image generating module including a main arithmetic operation controller which controls actions of the display panel driving section and generates 3D image data for driving the display panel based on a depth map containing depth information specified in advance, wherein:
• when generating the 3D image data, a temperature sensor measures temperatures of the display panel part in advance, and a deformation amount calculating section provided in advance to the main arithmetic operation controller calculates a temperature difference ΔT with respect to a reference temperature set in advance based on the measurement value;
• then, the depth map acquired by performing rendering processing on three-dimensional data in advance is stored to a data storage section as 3D image data;
• a temperature difference judging section provided in advance compares the calculated temperature difference ΔT with a reference value ΔTth set separately in advance by their absolute values and, in a case of |ΔT|≧|ΔTth| when judging correction necessity, judges that it is necessary to perform correction regarding a depth gradation that corresponds to a parallax amount of the 3D image data;
• and
• the depth map stored in the data storage section is outputted as two-dimensional 3D image data when it is judged in the correction necessity judging step that the temperature difference ΔT is |ΔT|<|ΔTth| and it is under a temperature environment that does not require correction of the parallax amount.

A stereoscopic display image data generating method used for a stereoscopic display device, comprising:

• a stereoscopic display panel including a display panel section having a plurality of unit pixels and an image distributing section for distributing and outputting visual recognition image data sent out from the display panel section as visual recognition stereoscopic image information towards outside;
• a display panel driving section which drives the display panel section of the stereoscopic display panel according to 3D image data;
• and a stereoscopic image generating module including a main arithmetic operation controller which controls actions of the display panel driving section and generates 3D image data for driving the display panel based on a pair of parallax images for a right eye and a left eye rendering-processed in advance or captured by a stereoscopic camera, wherein:
• when parallax image data A for the right eye and the left eye rendering-processed in advance is inputted, the main arithmetic operation controller accumulates it to a data storage section for generating 3D image data;
• then, a deformation amount calculating section provided to the main arithmetic operation controller calculates a temperature difference |ΔT| with respect to a reference temperature set in advance based on the temperature of the image distributing section measured by a temperature sensor when collecting the parallax image data A;
• a temperature difference judging section provided to the main arithmetic operation controller individually performs an arithmetic operation regarding whether or not the temperature difference |ΔT| calculated in the temperature difference calculating step is equal to or less than a reference value |ΔTth| set in advance, and judges whether or not it is under a temperature environment that requires correction for parallax amount of each object specified on an x-axis on an xy plane that is a display face;
• and
• when it is judged by the temperature difference judging section that the temperature difference ΔT is |ΔT|≦|ΔTth| and it is under a temperature environment that does not require correction of the parallax amount, the main arithmetic operation controller generates and outputs two-dimensional 3D image data having depth information that corresponds to the parallax amount based on a pair of parallax image data A stored in the data storage section for driving the display panel.

A stereoscopic display image data generating method used for a stereoscopic display device, comprising:

• a stereoscopic display panel including a display panel section having a plurality of unit pixels and an image distributing section for distributing and outputting visual recognition image data sent out from the display panel section as visual recognition stereoscopic image information towards outside;
• a display panel driving section which drives the display panel section of the stereoscopic display panel according to 3D image data;
• and a stereoscopic image generating module including a main arithmetic operation controller which controls actions of the display panel driving section and generates 3D image data for driving the display panel based on image data having depth information or image data having parallax information, wherein:
• when the image data having depth information or the image data having parallax information is inputted, the main arithmetic operation controller accumulates it to a data storage section provided in advance for generating 3D image data, and accumulates an LUT signal for performing parallax amount correction processing that corresponds to a detected temperature;
• then, a deformation amount calculating section provided to the main arithmetic operation controller calculates a temperature difference |ΔT| with respect to a reference temperature set in advance based on the temperature of the image distributing section measured by a temperature sensor;
• a temperature difference judging section provided to the main arithmetic operation controller individually performs an arithmetic operation regarding whether or not the temperature difference |ΔT| calculated in the temperature difference calculating step is equal to or less than a reference value |ΔTth| set in advance, and judges whether or not it is under a temperature environment that requires correction for parallax amount of each object specified on an x-axis on an xy plane that is a display face;
• and
• when it is judged by the temperature difference judging section that the temperature difference ΔT is |ΔT|>|ΔTth| and it is under a temperature environment that requires correction of the parallax amount, the main arithmetic operation controller generates and outputs 3D image data for driving the display panel by performing parallax amount adjusting processing which corrects the parallax amount from the image data having the depth information stored in the data storage section or the image data having parallax information based on the LUT signal.

A stereoscopic display image data generating program used for a stereoscopic display device, comprising:

• a stereoscopic display panel including a display panel section having a plurality of unit pixels and an image distributing section for distributing and outputting visual recognition image data sent out from the display panel section as visual recognition stereoscopic image information towards outside;
• a display panel driving section which drives the display panel section of the stereoscopic display panel according to 3D image data;
• and a stereoscopic image generating module which controls actions of the display panel driving section and generates 3D image data for driving the display panel based on three-dimensional data containing depth information specified in advance, the program causing a computer to execute:
• a temperature difference calculating function which calculates a temperature difference ΔT with respect to a reference temperature set in advance separately, when a temperature of the image distributing section is inputted from a temperature sensor provided in advance to the image distributing section;
• a correction necessity judging function which compares the calculated temperature difference ΔT and a reference value ΔTth set in advance separately by their absolute values, judges that it is necessary to perform correction regarding a parallax amount specified on an x-axis of the 3D image data in a case of |ΔT|>|ΔTth|, and judges that it is unnecessary to perform correction regarding the parallax amount in a case of |ΔT|≦|ΔTth|,
• an image processing function which performs rendering processing on the three-dimensional data when it is judged by the correction necessity judging function as |ΔT|≦ΔTth| and that the correction is unnecessary;
• and
• a 3D image data generating function which generates 3D image data for driving the display panel based on the rendering-processed parallax images.