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JPEG-E-X

10/12-bit Extended & 8-bit Baseline JPEG Encoder with optional Constant Bitrate Motion JPEG video rate control

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JPEG-E-X Symbol | Alma Technologies


Features

Complete, Compliant and Standalone Operation

8-bit Baseline and 12-bit Extended JPEG encoder with full ISO/IEC 10918-1 compliance

Up to 64K x 64K image resolution

1-4 image components, 8/10/12-bit per component

1, 2 and 4 horizontal and vertical sampling factors support

Single- and multi-scan support

Programmable Quantization Tables (up to four)

Programmable Huffman Tables (two DC, two AC)

Programmable Restart Markers insertion

Complete and standalone Baseline JPEG stream output with user controllable marker inclusion

CPU-less operation

Single clock cycle per sample encoding throughput


Extra Capabilities

Programmable Quality Factor (1 to 100) for easy Quantization Tables scaling

DICOM JPEG conformance

Motion JPEG payload encoding

Optional block-based maximum output size control with independent Luminance and Chrominance bit thresholds

Optional high-quality and accurate video rate control

Automatic Quality Factor adjustment per frame

Programmable nominal compressed frame size

Programmable bandwidth shaping output buffer size


Ease of Integration

Simple, microcontroller like, programming interface

High-speed, flow controllable, streaming I/O data interfaces

Simple and FIFO like

Avalon-ST compliant (ready latency 0)

AXI4-Stream compliant


Trouble-Free Technology Map and Implementation

Fully portable, self-contained RTL source code

Strictly positive edge triggered design

D-type only Flip-Flops

Fully synchronous operation

No special timing constraints required

No false paths

No multi-cycle paths



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