Inventors:
CHEOLHONG AN - San Diego CA, US
Liang Liang - San Diego CA, US
Szepo Robert Hung - San Diego CA, US
Assignee:
QUALCOMM Incorporated - San Diego CA
International Classification:
H04N 7/26
US Classification:
37524003, 37524002, 375E07139, 375E07126, 375E07125
Abstract:
This disclosure describes techniques for improving functionalities of a back-end device, e.g., a video encoder, using parameters detected and estimated by a front-end device, e.g., a video camera. The techniques may involve estimating a blurriness level associated with frames captured during a refocusing process. Based on the estimated blurriness level, the quantization parameter (QP) used to encode blurry frames is adjusted either in the video camera or in the video encoder. The video encoder uses the adjusted QP to encode the blurry frames. The video encoder also uses the blurriness level estimate to adjust encoding algorithms by simplifying motion estimation and compensation in the blurry frames.
