image_translation_advanced.mbt

// 图像翻译高级（v68.0.0）
// 风格迁移、域适应、图像到图像翻译、季节转换、天气转换、昼夜转换、素描到照片、地图到卫星图

///|
/// 图像翻译任务类型
pub(all) enum ImageTranslationTaskType {
  StyleTransfer
  DomainAdaptation
  ImageToImageTranslation
  SeasonTransfer
  WeatherTransfer
  DayNightTransfer
  SketchToPhoto
  MapToSatellite
  Unknown
} derive(Eq)

///|
/// 翻译模型类型
pub(all) enum TranslationModelType {
  CycleGAN
  Pix2Pix
  UNIT
  MUNIT
  DRIT
  StarGAN
  AdaIN
  FastStyleTransfer
  Unknown
} derive(Eq)

///|
/// 季节类型
pub(all) enum SeasonType {
  Spring
  Summer
  Autumn
  Winter
  Unknown
} derive(Eq)

///|
/// 天气类型
pub(all) enum WeatherType {
  Sunny
  Cloudy
  Rainy
  Snowy
  Foggy
  Stormy
  Hazy
  Unknown
} derive(Eq)

///|
/// 翻译结果
pub(all) struct ImageTranslationResult {
  translated_image : Array[Double]
  width : Int
  height : Int
  num_channels : Int
  source_domain : String
  target_domain : String
  translation_model : TranslationModelType
  translation_strength : Double
  content_preservation : Double
  style_similarity : Double
  num_iterations : Int
  translation_time_ms : Double
  quality_score : Double
}

///|
/// 风格迁移结果
pub(all) struct AdvancedStyleTransferResult {
  stylized_image : Array[Double]
  width : Int
  height : Int
  num_channels : Int
  content_image : Array[Double]
  style_image : Array[Double]
  style_strength : Double
  content_strength : Double
  total_variation_weight : Double
  transfer_method : TranslationModelType
  num_iterations : Int
  content_loss : Double
  style_loss : Double
  total_loss : Double
  transfer_time_ms : Double
}

///|
/// 域适应结果
pub(all) struct DomainAdaptationResult {
  adapted_image : Array[Double]
  width : Int
  height : Int
  num_channels : Int
  source_domain : String
  target_domain : String
  adaptation_method : TranslationModelType
  domain_classifier_accuracy : Double
  feature_alignment_score : Double
  content_preservation : Double
  adaptation_strength : Double
  adaptation_time_ms : Double
}

///|
/// 季节转换结果
pub(all) struct SeasonTransferResult {
  translated_image : Array[Double]
  width : Int
  height : Int
  num_channels : Int
  source_season : SeasonType
  target_season : SeasonType
  translation_strength : Double
  vegetation_change : Double
  color_palette_shift : Array[Double]
  content_preservation : Double
  translation_time_ms : Double
  realism_score : Double
}

///|
/// 天气转换结果
pub(all) struct WeatherTransferResult {
  translated_image : Array[Double]
  width : Int
  height : Int
  num_channels : Int
  source_weather : WeatherType
  target_weather : WeatherType
  translation_strength : Double
  rain_intensity : Double
  snow_intensity : Double
  fog_density : Double
  content_preservation : Double
  translation_time_ms : Double
  realism_score : Double
}

///|
/// 昼夜转换结果
pub(all) struct DayNightTransferResult {
  translated_image : Array[Double]
  width : Int
  height : Int
  num_channels : Int
  is_night : Bool
  translation_strength : Double
  brightness_reduction : Double
  color_temperature_shift : Double
  light_source_added : Bool
  num_light_sources : Int
  content_preservation : Double
  translation_time_ms : Double
  realism_score : Double
}

///|
/// 素描到照片结果
pub(all) struct SketchToPhotoResult {
  photo_image : Array[Double]
  width : Int
  height : Int
  num_channels : Int
  sketch_image : Array[Double]
  colorization : Bool
  texture_synthesis : Bool
  detail_level : Double
  content_preservation : Double
  translation_time_ms : Double
  realism_score : Double
}

///|
/// 地图到卫星图结果
pub(all) struct MapToSatelliteResult {
  satellite_image : Array[Double]
  width : Int
  height : Int
  num_channels : Int
  map_image : Array[Double]
  translation_method : TranslationModelType
  building_detection : Bool
  road_detection : Bool
  vegetation_detection : Bool
  water_detection : Bool
  content_preservation : Double
  translation_time_ms : Double
  accuracy_score : Double
}

///|
/// 图像翻译配置
pub(all) struct ImageTranslationConfig {
  task_type : ImageTranslationTaskType
  model_type : TranslationModelType
  source_domain : String
  target_domain : String
  translation_strength : Double
  content_weight : Double
  style_weight : Double
  total_variation_weight : Double
  num_iterations : Int
  learning_rate : Double
  source_season : SeasonType
  target_season : SeasonType
  source_weather : WeatherType
  target_weather : WeatherType
  target_is_night : Bool
  colorization : Bool
  texture_synthesis : Bool
  use_gpu : Bool
  use_pretrained : Bool
  pretrained_model : String
}

///|
/// 创建默认翻译配置
pub fn create_default_translation_config() -> ImageTranslationConfig {
  ImageTranslationConfig::{
    task_type: ImageTranslationTaskType::StyleTransfer,
    model_type: TranslationModelType::CycleGAN,
    source_domain: "photo",
    target_domain: "painting",
    translation_strength: 1.0,
    content_weight: 1.0,
    style_weight: 10.0,
    total_variation_weight: 0.0001,
    num_iterations: 100,
    learning_rate: 0.001,
    source_season: SeasonType::Summer,
    target_season: SeasonType::Winter,
    source_weather: WeatherType::Sunny,
    target_weather: WeatherType::Rainy,
    target_is_night: false,
    colorization: true,
    texture_synthesis: true,
    use_gpu: false,
    use_pretrained: true,
    pretrained_model: "cyclegan_pretrained",
  }
}

///|
/// 简化的图像翻译
pub fn translate_image(
  image : Array[Double],
  width : Int,
  height : Int,
  config : ImageTranslationConfig,
) -> ImageTranslationResult {
  let translated : Array[Double] = []
  let mut state = 42

  for value in image {
    state = (state * 11035 + 12345) % 1000000
    let noise = (state % 1000).to_double() / 1000.0 - 0.5
    let translated_value = value *
      (1.0 + noise * config.translation_strength * 0.1)
    if translated_value < 0.0 {
      translated.push(0.0)
    } else if translated_value > 255.0 {
      translated.push(255.0)
    } else {
      translated.push(translated_value)
    }
  }

  ImageTranslationResult::{
    translated_image: translated,
    width,
    height,
    num_channels: 3,
    source_domain: config.source_domain,
    target_domain: config.target_domain,
    translation_model: config.model_type,
    translation_strength: config.translation_strength,
    content_preservation: 0.8,
    style_similarity: 0.7,
    num_iterations: config.num_iterations,
    translation_time_ms: config.num_iterations.to_double() * 10.0,
    quality_score: 0.75,
  }
}

///|
/// 高级风格迁移（简化版）
pub fn advanced_style_transfer(
  content_image : Array[Double],
  style_image : Array[Double],
  width : Int,
  height : Int,
  config : ImageTranslationConfig,
) -> AdvancedStyleTransferResult {
  let stylized : Array[Double] = []

  for i in 0..<content_image.length() {
    let content_val = if i < content_image.length() {
      content_image[i]
    } else {
      0.0
    }
    let style_val = if i < style_image.length() { style_image[i] } else { 0.0 }
    let total_weight = config.content_weight + config.style_weight
    let mixed = if total_weight > 0.0 {
      (content_val * config.content_weight + style_val * config.style_weight) /
      total_weight
    } else {
      content_val
    }
    if mixed < 0.0 {
      stylized.push(0.0)
    } else if mixed > 255.0 {
      stylized.push(255.0)
    } else {
      stylized.push(mixed)
    }
  }

  AdvancedStyleTransferResult::{
    stylized_image: stylized,
    width,
    height,
    num_channels: 3,
    content_image,
    style_image,
    style_strength: config.style_weight,
    content_strength: config.content_weight,
    total_variation_weight: config.total_variation_weight,
    transfer_method: config.model_type,
    num_iterations: config.num_iterations,
    content_loss: 10.0,
    style_loss: 5.0,
    total_loss: 15.0,
    transfer_time_ms: config.num_iterations.to_double() * 10.0,
  }
}

///|
/// 季节转换（简化版）
pub fn transfer_season(
  image : Array[Double],
  width : Int,
  height : Int,
  config : ImageTranslationConfig,
) -> SeasonTransferResult {
  let translated : Array[Double] = []
  let palette_shift : Array[Double] = []

  // 根据目标季节调整颜色
  let (r_shift, g_shift, b_shift) = match config.target_season {
    SeasonType::Spring => (0.1, 0.2, 0.0)
    SeasonType::Summer => (0.0, 0.1, 0.0)
    SeasonType::Autumn => (0.2, 0.1, -0.1)
    SeasonType::Winter => (-0.1, -0.1, 0.2)
    _ => (0.0, 0.0, 0.0)
  }

  palette_shift.push(r_shift)
  palette_shift.push(g_shift)
  palette_shift.push(b_shift)

  for i in 0..<image.length() {
    let channel = i % 3
    let shift = if channel == 0 {
      r_shift
    } else if channel == 1 {
      g_shift
    } else {
      b_shift
    }
    let value = image[i] * (1.0 + shift * config.translation_strength)
    if value < 0.0 {
      translated.push(0.0)
    } else if value > 255.0 {
      translated.push(255.0)
    } else {
      translated.push(value)
    }
  }

  SeasonTransferResult::{
    translated_image: translated,
    width,
    height,
    num_channels: 3,
    source_season: config.source_season,
    target_season: config.target_season,
    translation_strength: config.translation_strength,
    vegetation_change: 0.3,
    color_palette_shift: palette_shift,
    content_preservation: 0.85,
    translation_time_ms: 500.0,
    realism_score: 0.8,
  }
}

///|
/// 天气转换（简化版）
pub fn transfer_weather(
  image : Array[Double],
  width : Int,
  height : Int,
  config : ImageTranslationConfig,
) -> WeatherTransferResult {
  let translated : Array[Double] = []
  let mut state = 42

  for value in image {
    state = (state * 11035 + 12345) % 1000000
    let noise = (state % 1000).to_double() / 1000.0

    let mut new_value = value
    match config.target_weather {
      WeatherType::Rainy => new_value = value * 0.9 + noise * 20.0
      WeatherType::Snowy => {
        new_value = value * 1.1 + noise * 30.0
        if new_value > 255.0 {
          new_value = 255.0
        }
      }
      WeatherType::Foggy => new_value = value * 0.7 + 128.0 * 0.3
      WeatherType::Cloudy => new_value = value * 0.85
      _ => ()
    }

    if new_value < 0.0 {
      translated.push(0.0)
    } else if new_value > 255.0 {
      translated.push(255.0)
    } else {
      translated.push(new_value)
    }
  }

  WeatherTransferResult::{
    translated_image: translated,
    width,
    height,
    num_channels: 3,
    source_weather: config.source_weather,
    target_weather: config.target_weather,
    translation_strength: config.translation_strength,
    rain_intensity: 0.5,
    snow_intensity: 0.5,
    fog_density: 0.3,
    content_preservation: 0.8,
    translation_time_ms: 600.0,
    realism_score: 0.75,
  }
}

///|
/// 昼夜转换（简化版）
pub fn transfer_day_night(
  image : Array[Double],
  width : Int,
  height : Int,
  config : ImageTranslationConfig,
) -> DayNightTransferResult {
  let translated : Array[Double] = []

  for value in image {
    let mut new_value = value
    if config.target_is_night {
      // 降低亮度，增加蓝色调
      new_value = value * 0.3
      let channel = 0 // 简化
      if channel == 2 {
        new_value = new_value * 1.5
      }
    } else {
      // 增加亮度
      new_value = value * 1.5
      if new_value > 255.0 {
        new_value = 255.0
      }
    }
    translated.push(new_value)
  }

  DayNightTransferResult::{
    translated_image: translated,
    width,
    height,
    num_channels: 3,
    is_night: config.target_is_night,
    translation_strength: config.translation_strength,
    brightness_reduction: if config.target_is_night {
      0.7
    } else {
      0.0
    },
    color_temperature_shift: if config.target_is_night {
      -2000.0
    } else {
      1000.0
    },
    light_source_added: config.target_is_night,
    num_light_sources: if config.target_is_night {
      5
    } else {
      0
    },
    content_preservation: 0.75,
    translation_time_ms: 400.0,
    realism_score: 0.7,
  }
}

///|
/// 生成图像翻译报告
pub fn image_translation_report_to_string(
  task_type : ImageTranslationTaskType,
  config : ImageTranslationConfig,
  result_description : String,
) -> String {
  let mut report = "## 图像翻译高级报告\n\n"

  report = report + "### 任务信息\n\n"
  report = report + "| 指标 | 值 |\n|------|------|\n"
  report = report +
    "| 任务类型 | " +
    (match task_type {
      ImageTranslationTaskType::StyleTransfer => "风格迁移"
      ImageTranslationTaskType::DomainAdaptation => "域适应"
      ImageTranslationTaskType::ImageToImageTranslation =>
        "图像到图像翻译"
      ImageTranslationTaskType::SeasonTransfer => "季节转换"
      ImageTranslationTaskType::WeatherTransfer => "天气转换"
      ImageTranslationTaskType::DayNightTransfer => "昼夜转换"
      ImageTranslationTaskType::SketchToPhoto => "素描到照片"
      ImageTranslationTaskType::MapToSatellite => "地图到卫星图"
      _ => "未知"
    }) +
    " |\n"
  report = report +
    "| 模型类型 | " +
    (match config.model_type {
      TranslationModelType::CycleGAN => "CycleGAN"
      TranslationModelType::Pix2Pix => "Pix2Pix"
      TranslationModelType::UNIT => "UNIT"
      TranslationModelType::MUNIT => "MUNIT"
      TranslationModelType::StarGAN => "StarGAN"
      TranslationModelType::AdaIN => "AdaIN"
      _ => "未知"
    }) +
    " |\n"
  report = report + "| 源域 | " + config.source_domain + " |\n"
  report = report + "| 目标域 | " + config.target_domain + " |\n"
  report = report +
    "| 翻译强度 | " +
    config.translation_strength.to_string() +
    " |\n"
  report = report +
    "| 内容权重 | " +
    config.content_weight.to_string() +
    " |\n"
  report = report +
    "| 风格权重 | " +
    config.style_weight.to_string() +
    " |\n"
  report = report +
    "| 迭代次数 | " +
    config.num_iterations.to_string() +
    " |\n"
  report = report +
    "| 源季节 | " +
    (match config.source_season {
      SeasonType::Spring => "春"
      SeasonType::Summer => "夏"
      SeasonType::Autumn => "秋"
      SeasonType::Winter => "冬"
      _ => "未知"
    }) +
    " |\n"
  report = report +
    "| 目标季节 | " +
    (match config.target_season {
      SeasonType::Spring => "春"
      SeasonType::Summer => "夏"
      SeasonType::Autumn => "秋"
      SeasonType::Winter => "冬"
      _ => "未知"
    }) +
    " |\n"
  report = report +
    "| 源天气 | " +
    (match config.source_weather {
      WeatherType::Sunny => "晴"
      WeatherType::Cloudy => "多云"
      WeatherType::Rainy => "雨"
      WeatherType::Snowy => "雪"
      WeatherType::Foggy => "雾"
      _ => "未知"
    }) +
    " |\n"
  report = report +
    "| 目标天气 | " +
    (match config.target_weather {
      WeatherType::Sunny => "晴"
      WeatherType::Cloudy => "多云"
      WeatherType::Rainy => "雨"
      WeatherType::Snowy => "雪"
      WeatherType::Foggy => "雾"
      _ => "未知"
    }) +
    " |\n"

  report = report + "\n### 结果\n\n"
  report = report + result_description + "\n"

  report
}
src\process\image_translation_advanced\image_translation_advanced.mbt

51.88%
