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Image ROI#

相机的 Image ROI 功能允许您指定要使用传感器阵列的哪些部分采集图像。

ROI 是 Region of Interest(即兴趣区的英文首字母缩写,以前为 AOI = 兴趣区)。

如果指定了图像 ROI,则相机将仅传输该区域内的像素数据。在大多数相机上,这会大大提高相机的最大帧速率。

图像 ROI 设置独立于自动功能 ROI 设置。

该功能的使用#

更改 Image ROI 的位置和大小#

启用出厂设置后,相机将设置为默认分辨率。但是,您可以根据需要更改位置和大小。

要更改图像 ROI 的位置和大小,请执行以下操作:

  1. 确保相机空闲,即未在捕获图像。
  2. If you are using an ace Classic/U/L camera, set the CenterX and CenterY parameters to false.
  3. 使用以下参数指定图像 ROI 的大小

    • Width
    • Height
  4. 使用以下参数指定图像 ROI 的位置

    • OffsetX
    • OffsetY

图像 ROI 的原点位于传感器阵列的左上角(第 0 列、第 0 行)。

示例:假设您指定了以下设置:

  • Width = 16
  • Height = 10
  • OffsetX = 2
  • OffsetY = 6

这将创建以下图像 ROI:

Image ROI 示例

信息

  • 在大多数相机上,减小 Image ROI 的大小(尤其是高度)会显著提高相机的最大帧速率。
  • 如果启用了 Binning 功能,图像 ROI 设置是指经过像素合并的行和列,而不是传感器中的物理线路。
  • On racer 2 L cameras, the OffsetY parameter is not available.
  • On boA5120-230cc, boA5120-230cm cameras, the OffsetY parameter is not available. The position of the image ROI is always centered in vertical direction.
  • On boA13440-17cm cameras, the position of the image ROI is always centered in horizontal and vertical direction. When you change the width of the image ROI, the OffsetX parameter value automatically adapts and the image ROI is centered horizontally. When you change the height of the image ROI, the OffsetY parameter value automatically adapts and the image ROI is centered vertically.
    Both the OffsetX and OffsetY parameters are read-only.

指导准则#

指定图像 ROI 时,请遵循以下准则:

指导准则 示例
OffsetX + WidthWidthMax Camera with a 1920 x 1080 pixel sensor:
OffsetX + Width ≤ 1920
OffsetY + HeightHeightMax Camera with a 1920 x 1080 pixel sensor:
OffsetY + Height ≤ 1080

The WidthMax and HeightMax parameter values adapt to the current settings for Binning, Decimation, or Scaling (if available).

详情#

Image ROI 大小#

显示所有相机型号

相机型号 最小宽度 最小高度
a2A640-240gmSWIR 4 1
a2A640-240umSWIR 4 1
a2A1280-80gmSWIR 4 1
a2A1280-125umSWIR 4 1
a2A1920-51gcBAS 4 2
a2A1920-51gcPRO 4 2
a2A1920-51gmBAS 4 1
a2A1920-51gmPRO 4 1
a2A1920-160ucBAS 4 2
a2A1920-160ucPRO 4 2
a2A1920-160umBAS 4 1
a2A1920-160umPRO 4 1
a2A1920-165g5cBAS 4 2
a2A1920-165g5mBAS 4 1
a2A2048-35gmSWIR 4 1
a2A2048-110umSWIR 4 1
a2A2440-98g5cBAS 4 4
a2A2440-98g5mBAS 4 4
a2A2448-23gcBAS 4 2
a2A2448-23gcPRO 4 2
a2A2448-23gmBAS 4 1
a2A2448-23gmPRO 4 1
a2A2448-75ucBAS 4 2
a2A2448-75ucPRO 4 2
a2A2448-75umBAS 4 1
a2A2448-75umPRO 4 1
a2A2448-105g5cBAS 4 2
a2A2448-105g5mBAS 4 1
a2A2448-120cc 48 2
a2A2448-120cm 48 2
a2A2448-210cc 48 2
a2A2448-210cm 48 2
a2A2560-20gmSWIR 4 1
a2A2560-70umSWIR 4 1
a2A2590-22gcBAS 4 2
a2A2590-22gcPRO 4 2
a2A2590-22gmBAS 4 1
a2A2590-22gmPRO 4 1
a2A2590-60ucBAS 4 2
a2A2590-60ucPRO 4 2
a2A2590-60umBAS 4 1
a2A2590-60umPRO 4 1
a2A2600-20gcBAS 4 2
a2A2600-20gcPRO 4 2
a2A2600-20gmBAS 4 1
a2A2600-20gmPRO 4 1
a2A2600-64ucBAS 4 2
a2A2600-64ucPRO 4 2
a2A2600-64umBAS 4 1
a2A2600-64umPRO 4 1
a2A2840-14gcBAS 4 2
a2A2840-14gcPRO 4 2
a2A2840-14gmBAS 4 1
a2A2840-14gmPRO 4 1
a2A2840-14gmUV 4 1
a2A2840-48ucBAS 4 2
a2A2840-48ucPRO 4 2
a2A2840-48umBAS 4 1
a2A2840-48umPRO 4 1
a2A2840-48umUV 4 1
a2A2840-67g5cBAS 4 2
a2A2840-67g5mBAS 4 1
a2A2840-67g5mUV 4 1
a2A2840-86cc 48 2
a2A2840-86cm 48 2
a2A3840-13gcBAS 4 2
a2A3840-13gcPRO 4 2
a2A3840-13gmBAS 4 1
a2A3840-13gmPRO 4 1
a2A3840-45ucBAS 4 2
a2A3840-45ucPRO 4 2
a2A3840-45umBAS 4 1
a2A3840-45umPRO 4 1
a2A4096-9gcBAS 4 2
a2A4096-9gcPRO 4 2
a2A4096-9gmBAS 4 1
a2A4096-9gmPRO 4 1
a2A4096-30ucBAS 4 2
a2A4096-30ucPRO 4 2
a2A4096-30umBAS 4 1
a2A4096-30umPRO 4 1
a2A4096-44g5cBAS 4 2
a2A4096-44g5mBAS 4 1
a2A4096-67cc 48 2
a2A4096-67cm 48 2
a2A4200-12gcBAS 4 2
a2A4200-12gcPRO 4 2
a2A4200-12gmBAS 4 1
a2A4200-12gmPRO 4 1
a2A4200-40ucBAS 4 2
a2A4200-40ucPRO 4 2
a2A4200-40umBAS 4 1
a2A4200-40umPRO 4 1
a2A4504-5gcBAS 4 2
a2A4504-5gcPRO 4 2
a2A4504-5gmBAS 4 1
a2A4504-5gmPRO 4 1
a2A4504-18ucBAS 4 2
a2A4504-18ucPRO 4 2
a2A4504-18umBAS 4 1
a2A4504-18umPRO 4 1
a2A4504-27g5cBAS 4 2
a2A4504-27g5mBAS 4 1
a2A4504-42cc 48 2
a2A4504-42cm 48 2
a2A4508-6gcBAS 4 2
a2A4508-6gcPRO 4 2
a2A4508-6gmBAS 4 1
a2A4508-6gmPRO 4 1
a2A4508-20ucBAS 4 2
a2A4508-20ucPRO 4 2
a2A4508-20umBAS 4 1
a2A4508-20umPRO 4 1
a2A5320-7gcBAS 4 2
a2A5320-7gcPRO 4 2
a2A5320-7gmBAS 4 1
a2A5320-7gmPRO 4 1
a2A5320-23ucBAS 4 2
a2A5320-23ucPRO 4 2
a2A5320-23umBAS 4 1
a2A5320-23umPRO 4 1
a2A5320-34g5cBAS 4 2
a2A5320-34g5mBAS 4 1
a2A5320-52cc 48 2
a2A5320-52cm 48 2
a2A5328-4gcBAS 4 2
a2A5328-4gcPRO 4 2
a2A5328-4gmBAS 4 1
a2A5328-4gmPRO 4 1
a2A5328-15ucBAS 4 2
a2A5328-15ucPRO 4 2
a2A5328-15umBAS 4 1
a2A5328-15umPRO 4 1
a2A5328-22g5cBAS 4 2
a2A5328-22g5mBAS 4 1
a2A5328-35cc 48 2
a2A5328-35cm 48 2
acA640-121gm 1 1
acA640-300gc 16 2
acA640-300gm 16 1
acA640-750uc 16 2
acA640-750um 16 1
acA720-290gc 2 2
acA720-290gm 1 1
acA720-520uc 2 2
acA720-520um 1 1
acA800-200gc 16 2
acA800-200gm 16 1
acA800-510uc 16 2
acA800-510um 16 1
acA1280-60gc 2 2
acA1280-60gm 1 1
acA1300-60gc 2 2
acA1300-60gm 1 1
acA1300-60gmNIR 1 1
acA1300-75gc 16 2
acA1300-75gm 16 1
acA1300-200uc 16 2
acA1300-200um 16 1
acA1440-73gc 2 2
acA1440-73gm 1 1
acA1440-220uc 2 2
acA1440-220um 1 1
acA1600-20gc 2 2
acA1600-20uc 2 2
acA1600-60gc 2 2
acA1600-60gm 1 1
acA1920-25gc 64 64
acA1920-25gm 64 64
acA1920-25uc 64a 64a
acA1920-25um 64a 64a
acA1920-40gc 2 2
acA1920-40gm 1 1
acA1920-40uc 4 2
acA1920-40ucMED 4 2
acA1920-40um 4 1
acA1920-40umMED 4 1
acA1920-48gc 32 2
acA1920-48gm 32 1
acA1920-50gc 2 2
acA1920-50gm 1 1
acA1920-150uc 32 2
acA1920-150um 32 1
acA1920-155uc 4 2
acA1920-155ucMED 4 2
acA1920-155um 4 1
acA1920-155umMED 4 1
acA2000-50gc 2 2
acA2000-50gm 1 1
acA2000-165uc 8 2
acA2000-165um 8 1
acA2040-25gc 2 2
acA2040-25gm 1 1
acA2040-25gmNIR 1 1
acA2040-35gc 2 2
acA2040-35gm 1 1
acA2040-55uc 4 2
acA2040-55um 4 1
acA2040-90uc 8 2
acA2040-90um 8 1
acA2040-90umNIR 8 1
acA2040-120uc 4 2
acA2040-120um 4 1
acA2440-20gc 2 2
acA2440-20gm 1 1
acA2440-35uc 4 2
acA2440-35ucMED 4 2
acA2440-35um 4 1
acA2440-35umMED 4 1
acA2440-75uc 4 2
acA2440-75ucMED 4 2
acA2440-75um 4 1
acA2440-75umMED 4 1
acA2500-14gc 64 64
acA2500-14gm 64 64
acA2500-14uc 64a 64a
acA2500-14um 64a 64a
acA2500-20gc 32 2
acA2500-20gcMED 32 2
acA2500-20gm 32 1
acA2500-20gmMED 32 1
acA2500-60uc 32 1
acA2500-60um 32 1
acA3088-16gc 376 320
acA3088-16gm 376 320
acA3088-57uc 376 320
acA3088-57ucMED 376 320
acA3088-57um 376 320
acA3088-57umMED 376 320
acA3800-10gc 64 64
acA3800-10gm 64 64
acA3800-14uc 64 64
acA3800-14um 64a 64a
acA4024-8gc 8 6
acA4024-8gm 8 5
acA4024-29uc 8 6
acA4024-29um 8 5
acA4096-11gc 16 2
acA4096-11gm 16 1
acA4096-30uc 4 2
acA4096-30ucMED 4 2
acA4096-30um 4 1
acA4096-30umMED 4 1
acA4096-40uc 4 2
acA4096-40ucMED 4 2
acA4096-40um 4 1
acA4096-40umMED 4 1
acA4112-8gc 16 2
acA4112-8gm 16 1
acA4112-20uc 4 2
acA4112-20ucMED 4 2
acA4112-20um 4 1
acA4112-20umMED 4 1
acA4112-30uc 4 2
acA4112-30ucMED 4 2
acA4112-30um 4 1
acA4112-30umMED 4 1
acA5472-5gc 8 6
acA5472-5gm 8 5
acA5472-17uc 8 6
acA5472-17ucMED 8 6
acA5472-17um 8 5
acA5472-17umMED 8 5
boA1936-400cc 48 2
boA1936-400cm 48 2
boA2448-250cc 96/48b 2
bo2448-250cm 48 2
boA2832-190cc 96/48b 2
bo2832-190cm 48 2
boA4096-93cc 48 2
boA4096-93cm 48 2
boA4096-180cc 96/48b 2
bo4096-180cm 48 2
boA4112-68cc 48 2
boA4112-68cm 48 2
boA4500-45cc 48 2
boA4500-45cm 48 2
boA4504-100cc 96/48b 2
boA4504-100cm 96/48b 2
boA5120-150cc 256 4
boA5120-150cm 256 4
boA5120-230cc 256 32
boA5120-230cm 256 32
boA5320-150cc 96/48b 2
boA5320-150cm 96/48b 2
boA5328-100cc 96/48b 2
boA5328-100cm 96/48b 2
boA6500-36cc 48 2
boA6500-36cm 48 2
boA8100-16cc 48 2
boA8100-16cm 48 2
boA9344-30cc 256 4
boA9344-30cm 256 4
boA9344-70cc 256 4
boA9344-70cm 256 4
boA13440-17cm 96/48b 2
daA720-520uc 2 6
daA720-520um 4 3
daA1280-54uc 16 8
daA1280-54um 16 8
daA1440-220uc 2 6
daA1440-220um 4 3
daA1600-60uc 16 8
daA1600-60um 16 8
daA1920-15um 16 8
daA1920-30uc 16 8
daA1920-30um 16 8
daA1920-160uc 2 6
daA1920-160um 4 1
daA2448-70uc 2 6
daA2448-70um 4 3
daA2500-14uc 16 8
daA2500-14um 16 8
daA3840-45uc 2 6
daA3840-45um 4 4
dmA720-290gc 4 2
dmA720-290gm 4 1
dmA1440-73gc 4 2
dmA1440-73gm 4 1
dmA1920-51gc 4 2
dmA1920-51gm 4 1
puA1280-54uc 16 8
puA1280-54um 16 8
puA1600-60uc 16 8
puA1600-60um 16 8
puA1920-30uc 4 4
puA1920-30um 4 4
puA2500-14uc 4 4
puA2500-14um 4 4
r2L8192-200cm 64 1
r2L16384-120cm 64 1

  1. 启用像素合并后,最小宽度和最小高度将减小。值四舍五入到最接近的整数。示例:如果您将水平像素合并配置为 3,则有效最小宽度为 64 / 3 = 21.333 ≈ 22。

  2. 10 位像素格式/其他像素格式

示例代码#

ace Classic/U/L GigE 相机#
// Set the width to the maximum value
int64_t maxWidth = camera.Width.GetMax();
camera.Width.SetValue(maxWidth);
// Set the height to 500
camera.Height.SetValue(500);
// Set the offset to 0,0
camera.OffsetX.SetValue(0);
camera.OffsetY.SetValue(0);
INodeMap& nodemap = camera.GetNodeMap();
// Set the width to the maximum value
int64_t maxWidth = CIntegerParameter(nodemap, "Width").GetMax();
CIntegerParameter(nodemap, "Width").SetValue(maxWidth);
// Set the height to 500
CIntegerParameter(nodemap, "Height").SetValue(500);
// Set the offset to 0,0
CIntegerParameter(nodemap, "OffsetX").SetValue(0);
CIntegerParameter(nodemap, "OffsetY").SetValue(0);
// Set the width to the maximum value
Int64 maxWidth = camera.Parameters[PLCamera.Width].GetMaximum();
camera.Parameters[PLCamera.Width].SetValue(maxWidth);
// Set the height to 500
camera.Parameters[PLCamera.Height].SetValue(500);
// Set the offset to 0,0
camera.Parameters[PLCamera.OffsetX].SetValue(0);
camera.Parameters[PLCamera.OffsetY].SetValue(0);
/* Macro to check for errors */
#define CHECK(errc) if (GENAPI_E_OK != errc) printErrorAndExit(errc)
GENAPIC_RESULT errRes = GENAPI_E_OK;  /* Return value of pylon methods */
int64_t maxWidth = 0;
/* Set the width to the maximum value */
errRes = PylonDeviceGetIntegerFeatureMax(hdev, "Width", &maxWidth);
CHECK(errRes);
errRes = PylonDeviceSetIntegerFeature(hdev, "Width", maxWidth);
CHECK(errRes);
/* Set the height to 500 */
errRes = PylonDeviceSetIntegerFeature(hdev, "Height", 500);
CHECK(errRes);
/* Set the offset to 0,0 */
errRes = PylonDeviceSetIntegerFeature(hdev, "OffsetX", 0);
CHECK(errRes);
errRes = PylonDeviceSetIntegerFeature(hdev, "OffsetY", 0);
CHECK(errRes);
# Set the width to the maximum value
maxWidth = camera.Width.Max
camera.Width.Value = maxWidth
# Set the height to 500
camera.Height.Value = 500
# Set the offset to 0,0
camera.OffsetX.Value = 0
camera.OffsetY.Value = 0
其他相机#
// Set the width to the maximum value
int64_t maxWidth = camera.WidthMax.GetValue();
camera.Width.SetValue(maxWidth);
// Set the height to 500
camera.Height.SetValue(500);
// Set the offset to 0
camera.OffsetX.SetValue(0);
camera.OffsetY.SetValue(0);
INodeMap& nodemap = camera.GetNodeMap();
// Set the width to the maximum value
int64_t maxWidth = CIntegerParameter(nodemap, "WidthMax").GetValue();
CIntegerParameter(nodemap, "Width").SetValue(maxWidth);
// Set the height to 500
CIntegerParameter(nodemap, "Height").SetValue(500);
// Set the offset to 0
CIntegerParameter(nodemap, "OffsetX").SetValue(0);
CIntegerParameter(nodemap, "OffsetY").SetValue(0);
// Set the width to the maximum value
Int64 maxWidth = camera.Parameters[PLCamera.WidthMax].GetValue();
camera.Parameters[PLCamera.Width].SetValue(maxWidth);
// Set the height to 500
camera.Parameters[PLCamera.Height].SetValue(500);
// Set the offset to 0
camera.Parameters[PLCamera.OffsetX].SetValue(0);
camera.Parameters[PLCamera.OffsetY].SetValue(0);
/* Macro to check for errors */
#define CHECK(errc) if (GENAPI_E_OK != errc) printErrorAndExit(errc)
GENAPIC_RESULT errRes = GENAPI_E_OK;  /* Return value of pylon methods */
int64_t maxWidth = 0;
/* Set the width to the maximum value */
errRes = PylonDeviceGetIntegerFeature(hdev, "WidthMax", &maxWidth);
CHECK(errRes);
errRes = PylonDeviceSetIntegerFeature(hdev, "Width", maxWidth);
CHECK(errRes);
/* Set the height to 500 */
errRes = PylonDeviceSetIntegerFeature(hdev, "Height", 500);
CHECK(errRes);
/* Set the offset to 0 */
errRes = PylonDeviceSetIntegerFeature(hdev, "OffsetX", 0);
CHECK(errRes);
errRes = PylonDeviceSetIntegerFeature(hdev, "OffsetY", 0);
CHECK(errRes);
# Set the width to the maximum value
maxWidth = camera.WidthMax.Value
camera.Width.Value = maxWidth
# Set the height to 500
camera.Height.Value = 500
# Set the offset to 0
camera.OffsetX.Value = 0
camera.OffsetY.Value = 0

您也可以使用 pylon Viewer 轻松设置参数。