Image transmission method and device, image display method and device, and system
AssigneeArashi Vision Inc.
InventorsDahao Lin, Xiaoshen Tian
Life of this patent
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Abstract
An image transmission method comprises obtaining a spherical panoramic image based on a wide-angle image acquired from a target environment; obtaining an image of interest by cropping the spherical panoramic image based on a preset field of view and an Euler angle corresponding to a rotation attitude of a target object when using a virtual reality device; stitching the image of interest and a down-sampled wide-angle image to obtain a stitched image; the down-sampled wide-angle image being obtained by down-sampling the wide-angle image; and transmitting the stitched image to the virtual reality device.
Claims19
An image transmission method, comprising:
- obtaining a spherical panoramic image based on a wide-angle image acquired from a target environment;
- obtaining an image of interest by cropping the spherical panoramic image based on a preset field of view and an Euler angle corresponding to a rotation attitude of a target object when using a virtual reality device;
- stitching the image of interest and a down-sampled wide-angle image to obtain a stitched image, the down-sampled wide-angle image being obtained by down-sampling the wide-angle image;
- and
- transmitting the stitched image to the virtual reality device.
An image display method, comprising:
- receiving a stitched image transmitted from an image acquirer, the stitched image comprising an image of interest and a down-sampled wide-angle image;
- obtaining the image of interest and the down-sampled wide-angle image by cropping the stitched image;
- generating a down-sampled panoramic image based on the down-sampled wide-angle image;
- rendering the down-sampled panoramic image according to a spherical model to obtain a down-sampled spherical panoramic image;
- synthesizing the down-sampled spherical panoramic image and the image of interest to obtain a synthesized image based on a preset field of view and an Euler angle corresponding to the stitched image;
- and
- displaying the synthesized image on a screen.
A system, comprising an image transmission device;
- wherein,
- the image transmission device is configured to:
- generate an image of interest based on a wide-angle image obtained by capturing a target environment, based on a preset field of view and rotation information of a virtual reality device;
- stitch the image of interest with a down-sampled environment image to obtain a stitched image, the down-sampled environment image obtained by down-sampling the wide-angle image;
- and
- transmit the stitched image to the virtual reality device, and
- wherein the system further comprises the virtual reality device, and the virtual display device is configured to:
- obtain the stitched image, the stitched image comprising:
- the image of interest and the down-sampled environment image;
- based on rotation information corresponding to the stitched image, synthesize the down-sampled environment image and the image of interest;
- and
- control a screen to display the synthesized image.
Dependencies are inferred from the claim text.