IPSR-VIDEO Altera, IPSR-VIDEO Datasheet - Page 55
![RENEWAL Of IPS-VIDEO](/photos/24/19/241949/4696158_sml.jpg)
IPSR-VIDEO
Manufacturer Part Number
IPSR-VIDEO
Description
RENEWAL Of IPS-VIDEO
Manufacturer
Altera
Series
IP Suitesr
Datasheet
1.IPS-VIDEO.pdf
(202 pages)
Specifications of IPSR-VIDEO
Software Application
IP CORE, SUITES
Supported Families
Arria GX, Cyclone II, HardCopy II, Stratix II
Features
Common Avalon Streaming (Avalon-St) Interface And Avalon-St Video Protocol
Core Architecture
FPGA
Core Sub-architecture
Arria, Cyclone, Stratix
Rohs Compliant
NA
Lead Free Status / RoHS Status
na
- Current page: 55 of 202
- Download datasheet (6Mb)
Chapter 3: Parameter Settings
Scaler
Table 3–19. Scaler Parameter Settings Tab, Algorithm and Precision Page (Part 2 of 2)
Table 3–20. Scaler Parameter Settings Tab, Coefficients Page
January 2011 Altera Corporation
Horizontal Coefficient
Precision: Integer bits:
Horizontal Coefficient
Precision: Fraction bits:
Notes to
(1) These parameters determine the number and size of the DSP blocks. For example, with four vertical and four horizontal taps and nine bits
Load coefficient data at
runtime
Share horizontal / vertical
coefficients
Vertical Coefficient Data:
Memory banks
Vertical Coefficient Data:
Filter function
Vertical Coefficient Data:
Custom coefficient file
Vertical Coefficient Data:
Symmetric
Horizontal Coefficient Data:
Memory banks
Horizontal Coefficient Data:
Filter function
Horizontal Coefficient Data:
Custom coefficient file
Horizontal Coefficient Data:
Symmetric
preserved between vertical and horizontal filtering, the scaler uses a total of eight 9×9 DSP blocks.
Parameter
Parameter
Table
3–19:
You can create custom coefficient data using third-party tools such as Microsoft Excel
or the MATLAB Array Editor. To do so, click Preview coefficients under Vertical
Coefficient Data and Horizontal Coefficient Data, copy the data from the predefined
coefficient spreadsheet, edit the data with your third-party tool, delete the Phase
column, and store the data in the Coeff columns as a .csv file. Then in the parameter
editor, select Custom from the Filter function list, click Browse, load the .csv file, and
click Preview coefficients to verify the data.
0–15, Default = 1
0–15, Default = 7
On or Off
On or Off
1–6, Default = 2
Lanczos 1–12, or Custom,
Default = Lanczos 2
user specified
On or Off
1–6, Default = 2
Lanczos 1–12, or Custom,
Default = Lanczos 2
user specified
On or Off
Value
Value
Specifies the number of integer bits for the fixed-point type used to store
the horizontal coefficients.
Specifies the number of fractional bits for the fixed point type used to
store the horizontal coefficients.
Turn on to load the coefficient data at runtime.
Turn on to map horizontal and vertical coefficients to the same
memory. When on and Load coefficient data at runtime is also
on, writes to the vertical coefficients are ignored. (The choice of
read bank remains independent for horizontal and vertical
coefficients.)
Choose the number of coefficient banks to enable double-
buffering, fast coefficient swapping or direct writes.
You can choose from 12 pre-defined Lanczos functions or use
the coefficients saved in a custom coefficients file.
When a custom function is selected, you can browse for a
comma-separated value file containing custom coefficients. Use
the Preview coefficients button to view the current coefficients
in a preview window.
Turn on to save coefficient memory by using symmetric
coefficients. When on and Load coefficient data at runtime is
also on, coefficient writes beyond phases 2 and 1 are ignored.
Choose the number of coefficient banks to enable double-
buffering, fast coefficient swapping or direct writes.
You can choose from 12 pre-defined Lanczos functions or use
the coefficients saved in a custom coefficients file.
When a custom function is selected, you can browse for a
comma-separated value file containing custom coefficients. Use
the Preview coefficients button to view the current coefficients
in a preview window.
Turn on to save coefficient memory by using symmetric
coefficients. When on and Load coefficient data at runtime is
also on, coefficient writes beyond phases 2 and 1 are ignored.
Description
Description
Video and Image Processing Suite User Guide
3–19
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