This inventor holds 4 USPTO granted patents. Top assignee: Sharp Laboratories of America, Inc. Active years: 2002-2005.
Company Filing History:
Years Active: 2002-2005
Title: Chingwei Chang: Innovator in Image Processing Technologies
Introduction
Chingwei Chang is a notable inventor based in Vancouver, WA (US), recognized for his contributions to image processing technologies. With a total of 4 patents, he has made significant advancements in methods that enhance the quality and efficiency of image data processing.
Latest Patents
Chang's latest patents include innovative methods that combine vector-quantization decoding with color transformation and halftoning. This method allows for the efficient decompression of image data, where the received VQ encoded image undergoes decoding and color space processing simultaneously. The output image is both decoded and transformed in color space, resulting in improved image quality. Another significant patent focuses on photo quality color printing using light black ink. This method establishes thresholds based on the intensity of light black ink compared to standard black ink, enabling precise gray component density calculations and color generation.
Career Highlights
Chingwei Chang is currently employed at Sharp Laboratories of America, Inc., where he continues to innovate in the field of image processing. His work has contributed to the development of advanced printing technologies and image decoding methods that are essential in various applications.
Collaborations
Chang collaborates with talented individuals such as Shawmin Lei and Renjit Tom Thomas, who contribute to the innovative environment at Sharp Laboratories.
Conclusion
Chingwei Chang's work in image processing and printing technologies showcases his dedication to innovation and excellence. His patents reflect a commitment to enhancing image quality and efficiency, making him a valuable contributor to the field.