Patent ID: 7606433
Filing Date: 2009-10-20
Classification: H04N

Abstract:
1. A video camera having an image encoding apparatus, comprising: an imaging unit configured to output motion-image data; a quantizer configured to quantize the motion-image data, based on quantization coefficient information applied to an input of said quantizer; an encoder configured to encode image data quantized by said quantizer and to output encoded image data including a number of codes; a control circuit configured to determine whether the number of codes included in the encoded image data exceeds a predetermined threshold value, and to output a selected one of a first plurality of sets of quantization coefficients, based on a result of the determination; a memory configured to store a second plurality of sets of quantization coefficients; and a selector configured to select either one of the first plurality of sets of quantization coefficients output by the control circuit or one of the second plurality of sets of quantization coefficients stored in said memory, and apply the selected set of quantization coefficients to the input of said guantizer, to cause said quantizer to quantize the motion-image data output from said imaging unit, based on the selected set of quantization coefficients.