Arashi Vision Inc.

Tan Su

Fei Gao

Peiyang Jia

A method and an apparatus for generating a stop-motion animation, a computer readable storage medium, and a computer device. The method comprises: acquiring a video containing a periodic motion of a target, the video containing a preset number of continuous motion periods (S); determining an initial motion period of the target in the video by using a posture estimation algorithm (S); determining a start period node according to the initial motion period, determining subsequent period nodes according to the start period node, and for the preset number of continuous motion periods, respectively extracting, in each motion period, a video frame corresponding to the same posture, or respectively extracting, in each motion period, a video frame corresponding to a different posture in a sequential order or reversed sequential order of motion, so as to obtain a video frame sequence of the stop-motion animation (S); and generating a stop-motion animation video according to the video frame sequence of the stop-motion animation (S). The method is simple in operation, and performs frame extraction automatically using an algorithm, without the need of selecting video frames manually, greatly improving the efficiency of generating a stop-motion animation and having high robustness.

Method for generating stop-motion animation, computer readable storage medium, and computer device

The present invention provides an underwater image color restoration method. In the method, 8-bit RGB pixel values of pixels in an underwater image are converted to a linear sRGB space for adjustment processing, adjusted pixel values are converted to 8-bit RGB pixel values, and then the acquired 8-bit RGB pixel values are fused with the adjusted pixel values to obtain a restored underwater image. Therefore, a foreground object in the underwater image or an underwater video processed using the solution of the present invention is natural and rich in color; in addition, the natural blue and green colors of background seawater are preserved, and the viewing effect of an entire picture is improved significantly and is comparable to or even better than the effect that can be achieved in the past after considerable manual toning.

Underwater image color restoration method and apparatus, and underwater video color restoration method and apparatus

The present application is applicable to the field of image processing, and provides an image splicing method and apparatus, a computer-readable storage medium, a computer device, and cameras. The method comprises: calculating a first mapping table corresponding to a lens of each camera according to internal parameters of the lens of each camera, and according to the first mapping table, projecting images collected by the corresponding lens of each camera at the same time onto a unit sphere to obtain multiple first spherical images corresponding to the lens of each camera; according to external parameters of the lens of each camera and the distance from the centers of circles formed by optical centers of the lens of multiple cameras and a preset plane above or below the circles, calculating a second mapping table corresponding to the lens of each camera, mapping the multiple first spherical images to a unified unit sphere according to the second mapping table, and splicing the first spherical images to obtain a panoramic spherical image. The present application can obtain more natural and realistic picture spliced at the top and bottom.

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Shenzhen, China

Tan Su