VS插件，可以方便調試，觀察圖像！！！
local模式和watch模式
local模式：只讀模式 the Image List (B) gets automatically populated with all
image-valued variables that are on the current stack frame.
Watch 模式,可以添加 image items are added manually by the user, e.g. by typing in image-valued expressions
可以移動和放大
可以編輯， Expressions can be cut (Ctrl+X, Ctrl+Delete), copied (Ctrl+C, Ctrl+Insert), and pasted (Ctrl+V, Shift+Insert),
Image watch支持的通道類型：
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· INT8, UINT8
· INT16, UINT16
· INT32
· FLOAT16
· FLOAT32
· FLOAT64
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也支持特殊的YUV格式：
- NV12 (two planes: one Y plane, one packed UV plane, subsampled by 2 in both dimensions)
- YV12 (three planes: one Y plane, one packed U and V plane each, both subsampled by 2 in both dimensions)
- IYUV (same as YV12 but with U and V planes switched)
- YUY2 (single plane, interleaved two-channel format: Y in the first channel; U and V subsampled by 2 horizontally and stored alternating in the second channel)
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Image Watch還支持一系列簡單的操作符，以@開始
一定是在watch模式下！
- @band(img, number): extract channel
number (UINT32) from img.
- 提取某一通道
- @thresh(img, threshold): threshold pixels in
img: return 1 if >= threshold (FLOAT32) and 0 otherwise
- 閾值化操作
- @clamp(img, min, max): clamp pixel values in
img to lie between min (FLOAT32) and max (FLOAT32).限制圖像的範圍在（min，max）之間
- @abs(img): take absolute value of pixels in
img
- 求絕對值
- @scale(img, factor): scale pixel values in
img by factor (FLOAT32)
- 對圖像進行縮放
- @norm8(img): scale pixels values in
img by 1/255
- 所有圖像像素乘以1/255縮放
- @norm16(img): scale pixels values in
img by 1/65535
- 所有圖像像素乘以1/65535縮放
- @fliph(img), @flipv(img), @flipd(img):
flip img horizontally, vertically, and diagonally (matrix transpose), respectively.
- 水平(h)、垂直(v)或翻轉或者圖像轉置（d）
- @rot90(img), @rot180(img), @rot270(img):
rotate img by 90, 180, 270 degrees clockwise, respectively.
- 圖像旋轉
- @diff(img0, img1): return pixel-wise difference:
img0 – img1
- 基於像素的差分
- @file(path): load image from
path (string). Example: @file(“d:\temp\debug.png”)
- 加載圖像
- @mem(address, type, channels, width, height, stride): interpret
raw memory as pixels, starting at address (UINT64), (UINT32). Example:
@mem(myimg.data, UINT8, 1, 320, 240, 320) @mem(0x00000000003d1050,UINT8, 3, 256, 256, 768 );
- 將指定地址的內存數據轉爲圖像像素信息顯示
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