Light control method and apparatus based on boundary identification, and storage medium

A light control method based on boundary identification, applied to a light controller, wherein the light controller is in communication with a lamp bank, the lamp bank comprises a plurality of lamp beads connected in sequence, and the method comprises:

• acquiring video data information from a video source device;
• identifying a boundary of a valid picture region in the video data information according to a preset rule;
• obtaining picture color data information of pixels in a preset valid picture region in a frame picture according to the boundary;
• generating a corresponding light control signal according to the picture color data information;
• and
• outputting the light control signal to the lamp bank to control an operating state of the lamp bank to match a valid picture content;
• wherein:
• the preset rule comprises a scanning rule for scanning regions one by one from outside to center;
• and identifying the boundary of the valid picture region in the video data information according to the preset rule comprises:
• scanning the regions one by one from outside to center;
• if first color data information of a first currently scanned region is in conformity with a first preset condition, determining that the first currently scanned region is an invalid edge picture region, and continuing to scan next region until none of the first color data information of the first currently scanned region is in conformity with the first preset condition;
• and
• if currently scanned row color data information or column color data information is not in conformity with the first preset condition, determining that the first currently scanned region is the boundary of the valid picture region;
• or,
• the preset rule comprises a scanning rule for scanning regions one by one from center to outside;
• and identifying the boundary of the valid picture region in the video data information according to the preset rule comprises:
• scanning the regions one by one from center to outside;
• if second color data information of a second currently scanned region is in conformity with a second preset condition, determining that the second currently scanned region is a valid picture region, and continuing to scan next region until none of the second color data information of the second currently scanned region is in conformity with the second preset condition;
• and
• if the second color data information of the second currently scanned region is not in conformity with the second preset condition, determining that the second currently scanned region is the boundary of the valid picture region;
• wherein, the first preset condition comprises that all the first color data information of the first currently scanned region is less than first preset color information;
• and the second preset condition comprises that all the second color data information of the second currently scanned region is greater than second preset color information.