diff --git a/APP_Framework/Applications/knowing_app/Kconfig b/APP_Framework/Applications/knowing_app/Kconfig
index 1387fae5a..38324111c 100755
--- a/APP_Framework/Applications/knowing_app/Kconfig
+++ b/APP_Framework/Applications/knowing_app/Kconfig
@@ -1,14 +1,16 @@
-menu "knowing app"
-     menuconfig APPLICATION_KNOWING
-        bool "Using knowing apps"
-        default n
-        
-    if APPLICATION_KNOWING
-        source "$APP_DIR/Applications/knowing_app/mnist/Kconfig" 
-        source "$APP_DIR/Applications/knowing_app/face_detect/Kconfig" 
-        source "$APP_DIR/Applications/knowing_app/instrusion_detect/Kconfig" 
-        source "$APP_DIR/Applications/knowing_app/helmet_detect/Kconfig" 
-        source "$APP_DIR/Applications/knowing_app/iris_ml_demo/Kconfig" 
-        source "$APP_DIR/Applications/knowing_app/k210_fft_test/Kconfig" 
-    endif 
-endmenu
+menu "knowing app"
+     menuconfig APPLICATION_KNOWING
+        bool "Using knowing apps"
+        default n
+        
+    if APPLICATION_KNOWING
+        source "$APP_DIR/Applications/knowing_app/mnist/Kconfig" 
+        source "$APP_DIR/Applications/knowing_app/face_detect/Kconfig" 
+        source "$APP_DIR/Applications/knowing_app/instrusion_detect/Kconfig" 
+        source "$APP_DIR/Applications/knowing_app/helmet_detect/Kconfig" 
+        source "$APP_DIR/Applications/knowing_app/iris_ml_demo/Kconfig" 
+        source "$APP_DIR/Applications/knowing_app/k210_fft_test/Kconfig" 
+        source "$APP_DIR/Applications/knowing_app/image_processing/Kconfig" 
+ 
+    endif 
+endmenu
diff --git a/APP_Framework/Applications/knowing_app/image_processing/Kconfig b/APP_Framework/Applications/knowing_app/image_processing/Kconfig
new file mode 100644
index 000000000..51b35e456
--- /dev/null
+++ b/APP_Framework/Applications/knowing_app/image_processing/Kconfig
@@ -0,0 +1,6 @@
+menuconfig USING_IMAGE_PROCESSING_APP
+    bool "image processing app "
+    default n
+if USING_IMAGE_PROCESSING_APP
+        source "$APP_DIR/Applications/knowing_app/image_processing/TJpgDec_APP/Kconfig" 
+endif
diff --git a/APP_Framework/Applications/knowing_app/image_processing/SConscript b/APP_Framework/Applications/knowing_app/image_processing/SConscript
new file mode 100644
index 000000000..2efe876c8
--- /dev/null
+++ b/APP_Framework/Applications/knowing_app/image_processing/SConscript
@@ -0,0 +1,14 @@
+import os
+Import('RTT_ROOT')
+from building import *
+
+cwd = GetCurrentDir()
+objs = []
+list = os.listdir(cwd)
+
+for d in list:
+    path = os.path.join(cwd, d)
+    if os.path.isfile(os.path.join(path, 'SConscript')):
+        objs = objs + SConscript(os.path.join(path, 'SConscript'))
+
+Return('objs')
diff --git a/APP_Framework/Applications/knowing_app/image_processing/TJpgDec_APP/Kconfig b/APP_Framework/Applications/knowing_app/image_processing/TJpgDec_APP/Kconfig
new file mode 100644
index 000000000..7f5effc2a
--- /dev/null
+++ b/APP_Framework/Applications/knowing_app/image_processing/TJpgDec_APP/Kconfig
@@ -0,0 +1,4 @@
+config IMAGE_PROCESSING_TJPGDEC_APP
+    bool "image processing apps/TJpgDec(example)"
+    select IMAGE_PROCESSING_USING_TJPGD
+    default n
diff --git a/APP_Framework/Applications/knowing_app/image_processing/TJpgDec_APP/SConscript b/APP_Framework/Applications/knowing_app/image_processing/TJpgDec_APP/SConscript
new file mode 100644
index 000000000..cb43b57ba
--- /dev/null
+++ b/APP_Framework/Applications/knowing_app/image_processing/TJpgDec_APP/SConscript
@@ -0,0 +1,9 @@
+from building import *
+
+cwd     = GetCurrentDir()
+src     = Glob('*.c') + Glob('*.cpp')
+CPPPATH = [cwd]
+
+group = DefineGroup('TJpgDec(example)', src, depend = ['IMAGE_PROCESSING_TJPGDEC_APP'], LOCAL_CPPPATH = CPPPATH)
+
+Return('group')