simd_windowing.h File Reference

SIMD optimizations for window/level (VOI LUT) application. More...

#include "simd_config.h"
#include "simd_types.h"
#include <algorithm>
#include <cmath>
#include <cstddef>
#include <cstdint>
#include <vector>

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Classes
struct	kcenon::pacs::encoding::simd::window_level_params
	Window/Level parameters. More...
class	kcenon::pacs::encoding::simd::window_level_lut
	Precomputed LUT for fast repeated window/level application. More...

Namespaces
namespace	kcenon
namespace	kcenon::pacs
namespace	kcenon::pacs::encoding
namespace	kcenon::pacs::encoding::simd
namespace	kcenon::pacs::encoding::simd::detail

Functions
void	kcenon::pacs::encoding::simd::apply_window_level_8bit (const uint8_t *src, uint8_t *dst, size_t pixel_count, const window_level_params &params) noexcept
	Apply window/level transformation to 8-bit grayscale data.
void	kcenon::pacs::encoding::simd::apply_window_level_16bit (const uint16_t *src, uint8_t *dst, size_t pixel_count, const window_level_params &params) noexcept
	Apply window/level transformation to 16-bit unsigned grayscale data.
void	kcenon::pacs::encoding::simd::apply_window_level_16bit_signed (const int16_t *src, uint8_t *dst, size_t pixel_count, const window_level_params &params) noexcept
	Apply window/level transformation to 16-bit signed grayscale data.
void	kcenon::pacs::encoding::simd::detail::apply_window_level_8bit_scalar (const uint8_t *src, uint8_t *dst, size_t pixel_count, const window_level_params &params) noexcept
	Scalar 8-bit window/level application.
void	kcenon::pacs::encoding::simd::detail::apply_window_level_16bit_scalar (const uint16_t *src, uint8_t *dst, size_t pixel_count, const window_level_params &params) noexcept
	Scalar 16-bit window/level application.
void	kcenon::pacs::encoding::simd::detail::apply_window_level_16bit_signed_scalar (const int16_t *src, uint8_t *dst, size_t pixel_count, const window_level_params &params) noexcept
	Scalar signed 16-bit window/level application.

Detailed Description

SIMD optimizations for window/level (VOI LUT) application.

Provides optimized window/level transformations for DICOM image display. Window/level (also known as contrast/brightness) maps input pixel values to display values based on window center and width parameters.

Transformation formula: output = clamp((input - (center - width/2)) * 255 / width, 0, 255)

See also

DICOM PS3.3 C.11.2 - VOI LUT Module

Author

kcenon

Since

1.0.0

Definition in file simd_windowing.h.