feat: Enhanced Vision kernel implementations — Copy, NMS, HoughLinesP, MatchTemplate, LBP #143

Job	Run time
build	1m 48s
Build rustVX (main)	1m 29s
Build Khronos OpenVX sample	41s
Perf gate (PR vs main)	1m 53s
data-objects	9s
vision-geometric	35s
vision-filters	59s
vision-color	15s
enhanced-vision (106/106 passing)	15s
KHR extension: user-data-object	10s
vision-statistics	12s
baseline	11s
graph	9s
image-ops	13s
vision-arithmetic	28s
vision-pyramid	11s
vision-features	18s
Benchmark & compare (rustVX vs Khronos sample)	4m 32s
Perf gate (PR vs main)	2m 12s
Build rustVX (main)	1m 29s
data-objects	9s
Build Khronos OpenVX sample	41s
enhanced-vision (106/106 passing)	15s
graph	9s
vision-features	18s
vision-arithmetic	28s
image-ops	13s
vision-color	15s
vision-geometric	35s
vision-pyramid	11s
vision-statistics	12s
KHR extension: user-data-object	10s
baseline	11s
Benchmark & compare (rustVX vs Khronos sample)	4m 32s
build	1m 48s
vision-filters	59s
Build rustVX (main)	1m 29s
Perf gate (PR vs main)	2m 1s
vision-arithmetic	28s
vision-statistics	12s
KHR extension: user-data-object	10s
build	1m 48s
baseline	11s
vision-pyramid	11s
data-objects	9s
vision-filters	59s
image-ops	13s
graph	9s
vision-geometric	35s
vision-color	15s
vision-features	18s
enhanced-vision (106/106 passing)	15s
Benchmark & compare (rustVX vs Khronos sample)	4m 32s
Build Khronos OpenVX sample	41s
	43m 51s

Provide feedback