Location History:
- San Franciso, CA (US) (1993)
- Palo Alto, CA (US) (1993)
- San Francisco, CA (US) (1993 - 1994)
Company Filing History:
Years Active: 1993-1994
Title: Innovations of Alexandre Balkanski in Video Compression Technology
Introduction
Alexandre Balkanski is a notable inventor based in Palo Alto, California. He has made significant contributions to the field of digital video compression, holding a total of five patents. His work has advanced the technology used in video data processing, making it more efficient and effective.
Latest Patents
One of Balkanski's latest patents involves a system for the compression and decompression of video data using discrete cosine transform (DCT). This digital video compression system converts matrices of pixels in the RGB signal format into YUV representation. The process includes selectively sampling the chrominance components and applying a discrete cosine transform. A unique circuitry implementing the DCT in a pipelined architecture is provided, which enhances the efficiency of the compression process. The quantization step eliminates DCT coefficients with amplitudes below preset thresholds, and the video signal is further compressed by coding the quantized matrices in a zig-zag manner. This representation is then compressed using Huffman codes. The decompression process is essentially the reverse of the compression steps, with the inverse discrete cosine transform (IDCT) being implemented by the DCT circuit. The circuits for RGB to YUV conversion, DCT, quantization, coding, and their decompression counterparts can be integrated into a single integrated circuit chip.
Career Highlights
Balkanski has had a successful career at C-Cube Microsystems, Inc., where he has been instrumental in developing innovative video processing technologies. His expertise in digital video compression has positioned him as a key figure in the industry.
Collaborations
Throughout his career, Balkanski has collaborated with notable professionals such as Steve Purcell and James Kirkpatrick. These collaborations have contributed to the advancement of video technology and have fostered innovation in the field.
Conclusion
Alexandre Balkanski's contributions to video compression technology have had a lasting impact on the industry. His innovative patents and collaborative efforts continue to shape the future of digital video processing.