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Lossless JPEG Encoder - Up to 16-bit per Component Numerically Lossless Image and Video Compression

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The Alma Technologies LJPEG-E IP Core implements the Lossless JPEG compression in a very compact, high-performance and stand-alone package. It supports up to 16-bit per component Numerically Lossless encoding and is ideal for image and video compression applications where bit-by-bit accurate reproduction of an image is essential, while the amount of compression needed is very low.

LJPEG-E block diagram | Alma Technologies

The LJPEG-E conforms to the spatial (sequential) lossless encoding mode (SOF3) of the ISO/IEC 10918-1 standard (CCITT T.81 recommendation). Rather than the Discrete Cosine Transform (DCT) functions used for lossy JPEG compression - which introduce round-off errors - Lossless JPEG employs a predictor function and compresses images by encoding the prediction error with no information loss.

The LJPEG-E core is designed with simple, fully flow-controllable and FIFO-like, streaming input and output interfaces. Being carefully designed, rigorously verified and silicon-proven, the LJPEG-E is a compact, reliable and easy-to-use and integrate IP.

IP Deliverables

Clear text VHDL or Verilog RTL source for ASIC designs, or pre-synthesized and verified Netlist for Intel, Lattice, Microsemi and Xilinx FPGA and SoC devices

Release Notes, Design Specification and Integration Manual documents

Bit Accurate Model (BAM) and test vector generation binaries, including sample scripts

Self checking testbench environment, including sample BAM generated test cases

Simulation and sample Synthesis (for ASICs) or Place & Route (for FPGAs) scripts

Specifications »

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