JE360 Datasheet PDF - Penz VHDL
| Part Number | JE360 | |
| Description | (JE300 - JE360) JPEG Baseline Encoder IP-Core Users Manual | |
| Manufacturers | Penz VHDL | |
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There is a preview and JE360 download ( pdf file ) link at the bottom of this page. Total 45 Pages | ||
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Free Datasheet http://www.0PDF.com
JE300, JE310,
JE350 and JE360
JPEG Baseline Encoder IP-Core
Users Manual
Rev 3.0
© by Penz VHDL
Frankenstr. 16
D-55299 Nackenheim
Germany
www.penz-vhdl.de
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Penz VHDL
Free Datasheet http://www.0PDF.com
JE300, JE310, JE350 and JE360
1. The JPEG Baseline Encoding Standard
The JPEG standard defines four modes of operation:
• Sequential DCT-based
• Progressive DCT-based
• Hierarchical
• Sequential lossless
The most used mode is the Sequential DCT-based, also known as Baseline mode.
The following overview describes the Baseline encoding standard.
Figure 1: JPEG Encoding Structure
8x8 Blocks
8x8
2D-DCT
Zigzag
Order
Quantizier Entropy
Encoder
Source
Image Data
JPEG Baseline Encoder
Typical compress rates are values from 10 to 15.
Bit-Stream
Compressed
Image Data
1.1 Level Shift
The image samples must be in the two’s complement format with a size of 8 bit. If the
samples are in integer format, a value of 80h (800h with 12 bit precision) must be
subtracted.
1.2 Blocks
The complete image is divided into 8x8 blocks, starting in the top left row. The blocks
are read out in the same order, beginning in the top left corner to the top right corner,
and then continuing the next eight rows until all done. If the number of pixels / lines
are not a multiple of 8, the last pixel / line is repeated until the block is completed.
Any extra pixels / lines are discarded by the decoding process.
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for JE360 electronic component. |
| Information | Total 45 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ JE360.PDF Datasheet ] | |
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| Part Number | Description | MFRS |
| JE360 | The function is (JE300 - JE360) JPEG Baseline Encoder IP-Core Users Manual. Penz VHDL | |
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