Digital Signal Processing Handbook P38

Chia sẻ: Tran Long | Ngày: | Loại File: PDF | Số trang:9

0
44
lượt xem
6
download

Digital Signal Processing Handbook P38

Mô tả tài liệu
  Download Vui lòng tải xuống để xem tài liệu đầy đủ

The idea of a lapped transform (LT) maintaining orthogonality and non-expansion of the samples was developed in the early 1980s at MIT by a group of researchers unhappy with the blocking artifacts so common in traditional block transform coding of images. The idea was to extend the basis function beyond the block boundaries, creating an overlap, in order to eliminate the blocking effect. This idea was not new, but the new ingredient to overlapping blocks would be the fact that

Chủ đề:
Lưu

Nội dung Text: Digital Signal Processing Handbook P38

Đồng bộ tài khoản