Color parameter adjustment based on the state of scene content and global illumination changes

An electronic processing system comprising:

• a processor;
• memory communicatively coupled to the processor;
• and
• logic communicatively coupled to the processor to:
• determine first scene chromaticity information for a frame of a video sequence,
• determine second scene chromaticity information for another frame of the video sequence,
• determine a scene content change based on the first and second scene chromaticity information,
• determine a global illumination change based on the first and second scene chromaticity information, and
• adjust one or more of a white point parameter and an automatic white balance convergence speed parameter based on the determined scene content change and the determined global illumination change.

A semiconductor package apparatus, comprising:

• one or more substrates;
• and
• logic coupled to the one or more substrates, wherein the logic is at least partly implemented in one or more of configurable logic and fixed-functionality hardware logic, the logic coupled to the one or more substrates to:
• determine first scene chromaticity information for a frame of a video sequence,
• determine second scene chromaticity information for another frame of the video sequence,
• determine first illumination-variant information and first illumination-invariant information for the first scene chromaticity information,
• determine second illumination-variant information and second illumination-invariant information for the second scene chromaticity information,
• determine a scene content change based on the first and second scene chromaticity information, and
• detect a global illumination change in the video sequence based on the first and second scene chromaticity information.

A semiconductor package apparatus comprising:

• one or more substrates;
• and
• logic coupled to the one or more substrates, wherein the logic is at least partly implemented in one or more of configurable logic and fixed-functionality hardware logic, the logic coupled to the one or more substrates to:
• determine first scene chromaticity information for a frame of a video sequence,
• determine second scene chromaticity information for another frame of the video sequence,
• determine a scene content change based on the first and second scene chromaticity information,
• determine a global illumination change based on the first and second scene chromaticity information, and
• adjust one or more of a white point parameter and an automatic white balance convergence speed parameter based on the determined scene content change and the determined global illumination change.

A method of adjusting a color parameter, comprising:

• determining first scene chromaticity information for a frame of a video sequence;
• determining second scene chromaticity information for another frame of the video sequence;
• determining first illumination-variant information and first illumination-invariant information for the first scene chromaticity information;
• determining second illumination-variant information and second illumination-invariant information for the second scene chromaticity information;
• determining a scene content change based on the first and second scene chromaticity information;
• and
• detecting a global illumination change in the video sequence based on the first and second scene chromaticity information.

A method of adjusting a color parameter, comprising:

• determining first scene chromaticity information for a frame of a video sequence;
• determining second scene chromaticity information for another frame of the video sequence;
• determining a scene content change based on the first and second scene chromaticity information;
• detecting a global illumination change in the video sequence based on the first and second scene chromaticity information;
• and
• adjusting one or more of a white point parameter and an automatic white balance convergence speed parameter based on the determined scene content change and the determined global illumination change.

At least one non-transitory computer readable medium, comprising a set of instructions, which when executed by a computing device, cause the computing device to:

• determine first scene chromaticity information for a frame of a video sequence;
• determine second scene chromaticity information for another frame of the video sequence;
• determine first illumination-variant information and first illumination-invariant information for the first scene chromaticity information;
• determine second illumination-variant information and second illumination-invariant information for the second scene chromaticity information;
• determine a scene content change based on the first and second scene chromaticity information;
• and
• detect a global illumination change in the video sequence based on the first and second scene chromaticity information.

At least one non-transitory computer readable medium, comprising a set of instructions, which when executed by a computing device, cause the computing device to:

• determine first scene chromaticity information for a frame of a video sequence;
• determine second scene chromaticity information for another frame of the video sequence;
• determine a scene content change based on the first and second scene chromaticity information;
• detect a global illumination change in the video sequence based on the first and second scene chromaticity information;
• and
• adjust one or more of a white point parameter and an automatic white balance convergence speed parameter based on the determined scene content change and the determined global illumination change.